Tag Archives: precision gear

China OEM High Precision Gear Pinion, Driving & Transimion Part, Grade 4-7 with Good quality

Product Description

1.Product Description
Gear shaft, Herringbone Gear Shaft, Bevel Gear, Eccentric Shaft mainly used on vessel engine, fan internal gear

1.1. Bevel Gear, Pinion Shaft Processing
Gear drawing— Simulation Modelling—Making casting model—Casting— Primary Detection—Rough machining—Hardening Tempering—Semi-finishing machining —Hobbing—Tooth Surface Quenching—Gear grinding—Gear Surface Carburzing—Inspection—Spray Anti-rust Oil—Package—Delivery
Gear Shaft drawing CHECK, Make Forging Mold, Forging Mold Quality Inspection Check, Machine Processing, Check Size\Hardness\Surface Finish and other technical parameters on drawing.
2.2. Bevel Gear Package
Spray anti-rust oil on Herringbone Gear Shaft, Wrap waterproof cloth around Gear Shaft for reducer, Prepare package by shaft shape&weight to choose steel frame, steel support or wooden box etc.
1.3. OEM Customized Pinion Shaft
We supply OEM SERVICE, customized herringbone gear shaft with big module, more than 1tons big weight, more than 3m length, 42CrMo/35CrMo or your specified required material gear shaft.

2.Product Technical info.

Module	m	Range: 5~70
Gear Teeth Number	z	OEM by drawing’s technical parameters
Teeth Height	H	OEM by drawing’s technical parameters
Teeth Thickness	S	OEM by drawing’s technical parameters
Tooth pitch	P	OEM by drawing’s technical parameters
Tooth addendum	Ha	OEM by drawing’s technical parameters
Tooth dedendum	Hf	OEM by drawing’s technical parameters
Working height	h’	OEM by drawing’s technical parameters
Bottom clearance	C	OEM by drawing’s technical parameters
Pressure Angle	α	OEM by drawing’s technical parameters
Helix Angle,		OEM by drawing’s technical parameters
Surface hardness	HRC	Range: HRC 50~HRC63(Quenching)
Hardness:	HB	Range: HB150~HB280; Hardening Tempering/ Hardened Tooth Surface
Surface finish		Range: Ra1.6~Ra3.2
Tooth surface roughness	Ra	Range: ≥0.4
Gear Accuracy Grade		Grade Range: 5-6-7-8-9 (ISO 1328)
Diameter	D	Range: 1m~16m
Weight	Kg	Range: Min. 100kg~Max. 80tons Single Piece
Gear Position		Internal/External Gear
Toothed Portion Shape		Spur Gear/Bevel/Spiral/Helical/Straight
Shaft shape		Herringbone Gear Shaft / Gear Shaft / Eccentric Shaft / Spur Gear / Girth Gear / Gear Wheel
Material	Forging/ Casting	Forging/ Casting 45/42CrMo/40Cr or OEM
Manufacturing Method		Cut Gear
Gear Teeth Milling		√
Gear Teeth Grinding		√
Heat Treatment		Quenching /Carburizing
Sand Blasting		Null
Testing		UT\MT
Trademark		TOTEM/OEM
Application		Gearbox, Reducer, Petroleum,Cement,Mining,Metallurgy etc. Wind driven generator,vertical mill reducer,oil rig helical gear,petroleum slurry pump gear shaft
Transport Package		Export package (wooden box, steel frame etc.)
Origin		China
HS Code		8483409000

Material Comparison List

STEEL CODE GRADES COMPARISON
CHINA/GB	ISO	ГΟСТ	ASTM	JIS	DIN
45	C45E4	45	1045	S45C	CK45
40Cr	41Cr4	40X	5140	SCr440	41Cr4
20CrMo	18CrMo4	20ХМ	4118	SCM22	25CrMo4
42CrMo	42CrMo4	38XM	4140	SCM440	42CrMo4
20CrMnTi		18XГT		SMK22
20Cr2Ni4		20X2H4A
20CrNiMo	20CrNiMo2	20XHM	8720	SNCM220	21NiCrMo2
40CrNiMoA		40XH2MA/ 40XHMA	4340	SNCM439	40NiCrMo6/ 36NiCrMo4
20CrNi2Mo	20NiCrMo7	20XH2MA	4320	SNCM420

3.Totem Service

TOTEM Machinery focus on supplying GEAR SHAFT, ECCENTRIC SHAFT, HERRINGBONE GEAR, BEVEL GEAR, INTERNAL GEAR and other parts for transmission devices & equipments(large industrial reducers & drivers). Which were mainly used in the fields of port facilities, cement, mining, metallurgical industry etc. We invested in several machine processing factories,forging factories and casting factories,relies on these strong reliable and high-quality supplier network, to let our customers worry free.

TOTEM Philosophy: Quality-No.1, Integrity- No.1, Service- No.1

24hrs Salesman on-line, guarantee quick and positive feedback. Experienced and Professional Forwarder Guarantee Log. transportation.

4.About TOTEM

1. Workshop & Processing Strength

2. Testing Facilities

3. Customer Inspection & Shipping

5. Contact Us

ZheJiang CZPT Machinery Co.,Ltd

Facebook: ZheJiang Totem

Screw Shaft Types

A screw shaft is a cylindrical part that turns. Depending on its size, it is able to drive many different types of devices. The following information outlines the different types of screws, including their sizes, material, function, and applications. To help you select the right screw shaft, consider the following factors:
screwshaft

Size

A screw can come in a variety of shapes and sizes, ranging from a quarter to a quarter-inch in diameter. A screw is a cylindrical shaft with an inclined plane wrapped around it, and its main function is to fasten objects together by translating torque into a linear force. This article will discuss the dimensions of screws and how to determine the size of a screw. It is important to note that screw sizes can be large and small depending on the purpose.
The diameter of a screw is the diameter of its shaft, and it must match the inner diameter of its nuts and washers. Screws of a certain diameter are also called machine screws, and they can be larger or smaller. Screw diameters are measured on the shaft underneath the screw head. The American Society of Mechanical Engineers (ASME) standardized screw diameters in 3/50-inch to 16 (3/8-inch) inches, and more recently, sizes were added in U.S. fractions of an inch. While shaft and head diameters are standardized, screw length may vary from job to job.
In the case of the 2.3-mm screw group, the construct strength was not improved by the 1.2-mm group. The smaller screw size did not increase the strength of the construct. Further, ABS material did not improve the construct strength. Thus, the size of screw shaft is an important consideration in model design. And remember that the more complex your model is, the larger it will be. A screw of a given size will have a similar failure rate as a screw of a different diameter.
Although different screw sizes are widely used, the differences in screw size were not statistically significant. Although there are some limitations, screws of different sizes are generally sufficient for fixation of a metacarpal shaft fracture. However, further clinical studies are needed to compare screw sizes for fracture union rates. So, if you are unsure of what size of screw shaft you need for your case, make sure to check the metric chart and ensure you use the right one.
screwshaft

Material

The material of a screw shaft plays an important role in the overall performance of a screw. Axial and central forces act to apply torque to the screw, while external forces, such as friction, exert a bending moment. The torsional moments are reflected in the torque, and this causes the screw to rotate at a higher rate than necessary. To ensure the longevity of the screw, the material of the screw shaft should be able to handle the bending moment, while the diameter of the shaft should be small enough to avoid causing damage.
Screws are made from different metals, such as steel, brass, titanium, and bronze. Manufacturers often apply a top coating of chromium, brass, or zinc to improve corrosion resistance. Screws made of aluminum are not durable and are prone to rusting due to exposure to weather conditions. The majority of screw shafts are self-locking. They are suited for many applications, including threaded fasteners, C-clamps, and vises.
Screws that are fabricated with conical sections typically feature reduced open cross-sectional areas at the discharge point. This is a key design parameter of conical screw shafts. In fact, reductions of up to 72% are common across a variety of applications. If the screw is designed to have a hard-iron hanger bearing, it must be hardened. If the screw shaft is not hardened, it will require an additional lubricant.
Another consideration is the threads. Screw shafts are typically made of high-precision threads and ridges. These are manufactured on lathes and CNC machines. Different shapes require different materials. Materials for the screw shaft vary. There are many different sizes and shapes available, and each 1 has its own application. In addition to helical and conical screw shafts, different materials are also available. When choosing material, the best 1 depends on the application.
The life of the screw depends on its size, load, and design. In general, the material of the screw shaft, nut body, and balls and rollers determine its fatigue life. This affects the overall life of the screw. To determine whether a specific screw has a longer or shorter life, the manufacturer must consider these factors, as well as the application requirements. The material should be clean and free of imperfections. It should be smooth and free of cracks or flaking, which may result in premature failure.

Function

The function of a screw shaft is to facilitate the rotation of a screw. Screws have several thread forms, including single-start, double-start and multi-start. Each form has its own advantages and disadvantages. In this article we’ll explore each of them in detail. The function of a screw shaft can vary based on its design, but the following are common types. Here are some examples of screw shaft types and their purposes.
The screw’s torque enables it to lift objects. It can be used in conjunction with a bolt and nut to lift a load. Screws are also used to secure objects together. You can use them in screw presses, vises, and screw jacks. But their primary function is to hold objects together. Listed below are some of their main functions. When used to lift heavy loads, they can provide the required force to secure an object.
Screws can be classified into 2 types: square and round. Square threads are more efficient than round ones because they apply 0deg of angle to the nut. Square threads are also stronger than round threads and are often used in high-load applications. They’re generally cheaper to manufacture and are more difficult to break. And unlike square threads, which have a 0deg thread angle, these threads can’t be broken easily with a screwdriver.
A screw’s head is made of a series of spiral-like structures that extend from a cylindrical part to a tip. This portion of the screw is called the shank and is made of the smallest area. The shank is the portion that applies more force to the object. As the shaft extends from the head, it becomes thinner and narrow, forming a pointed tip. The head is the most important part of the screw, so it needs to be strong to perform its function.
The diameter of the screw shaft is measured in millimeters. The M8 screw has a thread pitch of 1.25 mm. Generally, the size of the screw shaft is indicated by the major and minor diameter. These dimensions are appended with a multiplication sign (M8x1).
screwshaft

Applications

The design of screws, including their size and shape, determines their critical rotating speeds. These speeds depend on the threaded part of the screw, the helix angle, and the geometry of the contact surfaces. When applied to a screw, these limits are referred to as “permissible speed limits.” These maximum speeds are meant for short periods of time and optimized running conditions. Continuous operation at these speeds can reduce the calculated life of a nut mechanism.
The main materials used to manufacture screws and screw shafts include steel, stainless steel, titanium, bronze, and brass. Screws may be coated for corrosion resistance, or they may be made of aluminium. Some materials can be threaded, including Teflon and nylon. Screw threads can even be molded into glass or porcelain. For the most part, steel and stainless steel are the most common materials for screw shafts. Depending on the purpose, a screw will be made of a material that is suitable for the application.
In addition to being used in fasteners, screw shafts are used in micrometers, drillers, conveyor belts, and helicopter blades. There are numerous applications of screw shafts, from weighing scales to measuring lengths. If you’re in the market for a screw, make sure to check out these applications. You’ll be happy you did! They can help you get the job done faster. So, don’t delay your next project.
If you’re interested in learning about screw sizing, then it’s important to know the axial and moment loads that your screws will experience. By following the laws of mechanics and knowing the load you can calculate the nominal life of your screw. You can also consider the effect of misalignment, uneven loading, and shocks on your screw. These will all affect the life of your screw. Then, you can select the right screw.

China OEM High Precision Gear Pinion, Driving & Transimion Part, Grade 4-7 with Good quality

China Custom Custom Design High Precision 1045c Transmission Gear Shaft for Auto Car Parts with Hot selling

Product Description

Custom Design high precision 1045C transmission gear shaft for Auto Car Parts

Specifications:

Factory direct price and best service

As an outstanding CNC machining precision parts supplier, we can produce the CNC machining precision parts for various industries such as automotive, bicycle, motorcycle, sporting goods, machine tools, hand tools, power tools, pneumatic tools, garden tools…
etc. From design to manufacture, fabrication to installation, our in-house facilities provide all the elements required to suit your demands, with a complete project management service to match.

Whatever the material or idea you have, our CNC machining or milling facilities will cut and shape it according to both your needs and our knowledge of capabilities. we will also advise you as to the optimum choice of material for your task.

Surface: as your requirement
Material: steel / aluminum / brass / iron / zinc / alloy
Any other material and dimension depends on customers’ demand.
Usage: machinery / furniture / toy / woodboard / wall
Manufacturing process: Precision lathe parts
Euipment: lathe machine
Testing equipment: Projector, Hardness, Salt Spray, Roughness Tester, Height Gauge
Tolerance: +/-0.05MM

Industry Focus	Appliance/ Automotive/ Agricultural Electronics/ Industrial/ Marine Mining/ Hydraulics/ Valves Oil and Gas/ Electrical/ Construction
Intended Application	Shafts Valve Components Automatic Door Components Cable/ Electronic Connector Fire Suppression System Components Fittings/ Fasteners Gears/ Hardware Roller Bearings
Lead Times Available	Max: 2 Weeks (On Initial Order) Rush Services Available
Industry Standards	ISO 9001: 2008 PPAP RoHS Compliant
Additional Capabilities	CAD Design Services CAM Programming Services Coordinate Measuring Machines (CMM) Reverse Engineering
Equipment List	From simple 2-axis turning to 7-axis, turn-mill-drill CNC Swiss-type machines, we are equipped with a full line of CNC equipment from the following manufactures: molding machines/ stamping machines automatic lathe machines/ spring machines.
Automation Capabilities	Continuous Machining
Material (Metals)	Alloy Steels/ Aluminum/ Brass/ Bronze Alloys Carbon Steel/ Copper/ Stainless Steel/ Tool Steel Cold Rolled Steel/ Bearing Steel
Material (Plastic Polymers)	ABS/ Delrin/ Nylon/ PVC
Processes (Special Capabilities)	Broaching/ Hobbing/ Slotting
Tolerance	±0.0002 in ±0.0051 mm

Company Information

HK AA Industrial Co, . Limited, was founded in 1998, taking up more than 10000 square meters. we specialize in hardware, plastic products. machining parts, stamping parts and fabricating parts. CZPT has 50 CNC turning machines, 10 stamping machines, 10 CNC milling machines, 10 automatic lathe machines, and 10 edge milling machines. And also the subsidiary equipments, such as milling machines, tap grinding machines and so on.

Workshop

Certification

FAQ

Q1: How to guarantee the Quality of Industrial Parts?
A1: we are ISO 9001-2008 certified firm. we have the integrated system for industrial parts quality control. We have IQC (incoming quality control), IPQCS (in process quality control section), FQC (final quality control) and OQC (out-going quality control) to control each process of industrial parts prodution.
Q2: What’s the Advantage of Your Parts for Industry Products?
A2: Our advantage is the competitive prices, fast delivery and high quality. Our employees are responsible-oriented, friendly-oriented, and dilient-oriented. our Industrial parts products are featured by strict tolerance, smooth finish and long-life performance.
Q3: what are our machining equipmengts?
A3: Our machining equipments include CNC milling machines, CNC turning machines, stamping
machines, hobbing machines, automatic lathe machines, tapping machines, grinding machines,
screw machines, cutting machines and so on.
Q4: What shipping ways our use?
A4: Generally speaking, we will use UPS or DHL to ship the products. Our customers can reach the
products within 3 days. If our customers do not need them urgently, we will also use FedEx and TNT. If the products are of heavy weight and large volumn, we will ship them by sea. This way can save
our customers a lot of money.
Q5: Who are our main customers?
A5: HP, Samsung, Jabil Group, Lexmark, Flextronic Group.
Q6: What materials can you handle?
A6: Brass, bronze, copper, stainless steel, steel, aluminum, titanium And plastic.
Q7: How Long is the Delivery for Your Industrial Part?
A7: Generally speaking, it will take us 15 working days for machining parts and 25 working days for
the for stamping parts products. But we will shorten our lead time according to customers’ demands
if we are CZPT to.

The Four Basic Components of a Screw Shaft

There are 4 basic components of a screw shaft: the Head, the Thread angle, and the Threaded shank. These components determine the length, shape, and quality of a screw. Understanding how these components work together can make purchasing screws easier. This article will cover these important factors and more. Once you know these, you can select the right type of screw for your project. If you need help choosing the correct type of screw, contact a qualified screw dealer.

Thread angle

The angle of a thread on a screw shaft is the difference between the 2 sides of the thread. Threads that are unified have a 60 degree angle. Screws have 2 parts: a major diameter, also known as the screw’s outside diameter, and a minor diameter, or the screw’s root diameter. A screw or nut has a major diameter and a minor diameter. Each has its own angle, but they all have 1 thing in common – the angle of thread is measured perpendicularly to the screw’s axis.
The pitch of a screw depends on the helix angle of the thread. In a single-start screw, the lead is equal to the pitch, and the thread angle of a multiple-start screw is based on the number of starts. Alternatively, you can use a square-threaded screw. Its square thread minimizes the contact surface between the nut and the screw, which improves efficiency and performance. A square thread requires fewer motors to transfer the same load, making it a good choice for heavy-duty applications.
A screw thread has 4 components. First, there is the pitch. This is the distance between the top and bottom surface of a nut. This is the distance the thread travels in a full revolution of the screw. Next, there is the pitch surface, which is the imaginary cylinder formed by the average of the crest and root height of each tooth. Next, there is the pitch angle, which is the angle between the pitch surface and the gear axis.
screwshaft

Head

There are 3 types of head for screws: flat, round, and hexagonal. They are used in industrial applications and have a flat outer face and a conical interior. Some varieties have a tamper-resistant pin in the head. These are usually used in the fabrication of bicycle parts. Some are lightweight, and can be easily carried from 1 place to another. This article will explain what each type of head is used for, and how to choose the right 1 for your screw.
The major diameter is the largest diameter of the thread. This is the distance between the crest and the root of the thread. The minor diameter is the smaller diameter and is the distance between the major and minor diameters. The minor diameter is half the major diameter. The major diameter is the upper surface of the thread. The minor diameter corresponds to the lower extreme of the thread. The thread angle is proportional to the distance between the major and minor diameters.
Lead screws are a more affordable option. They are easier to manufacture and less expensive than ball screws. They are also more efficient in vertical applications and low-speed operations. Some types of lead screws are also self-locking, and have a high coefficient of friction. Lead screws also have fewer parts. These types of screw shafts are available in various sizes and shapes. If you’re wondering which type of head of screw shaft to buy, this article is for you.

Threaded shank

Wood screws are made up of 2 parts: the head and the shank. The shank is not threaded all the way up. It is only partially threaded and contains the drive. This makes them less likely to overheat. Heads on wood screws include Oval, Round, Hex, Modified Truss, and Flat. Some of these are considered the “top” of the screw.
Screws come in many sizes and thread pitches. An M8 screw has a 1.25-mm thread pitch. The pitch indicates the distance between 2 identical threads. A pitch of 1 is greater than the other. The other is smaller and coarse. In most cases, the pitch of a screw is indicated by the letter M followed by the diameter in millimetres. Unless otherwise stated, the pitch of a screw is greater than its diameter.
Generally, the shank diameter is smaller than the head diameter. A nut with a drilled shank is commonly used. Moreover, a cotter pin nut is similar to a castle nut. Internal threads are usually created using a special tap for very hard metals. This tap must be followed by a regular tap. Slotted machine screws are usually sold packaged with nuts. Lastly, studs are often used in automotive and machine applications.
In general, screws with a metric thread are more difficult to install and remove. Fortunately, there are many different types of screw threads, which make replacing screws a breeze. In addition to these different sizes, many of these screws have safety wire holes to keep them from falling. These are just some of the differences between threaded screw and non-threaded. There are many different types of screw threads, and choosing the right 1 will depend on your needs and your budget.
screwshaft

Point

There are 3 types of screw heads with points: cone, oval, and half-dog. Each point is designed for a particular application, which determines its shape and tip. For screw applications, cone, oval, and half-dog points are common. Full dog points are not common, and they are available in a limited number of sizes and lengths. According to ASTM standards, point penetration contributes as much as 15% of the total holding power of the screw, but a cone-shaped point may be more preferred in some circumstances.
There are several types of set screws, each with its own advantage. Flat-head screws reduce indentation and frequent adjustment. Dog-point screws help maintain a secure grip by securing the collar to the screw shaft. Cup-point set screws, on the other hand, provide a slip-resistant connection. The diameter of a cup-point screw is usually half of its shaft diameter. If the screw is too small, it may slack and cause the screw collar to slip.
The UNF series has a larger area for tensile stress than coarse threads and is less prone to stripping. It’s used for external threads, limited engagement, and thinner walls. When using a UNF, always use a standard tap before a specialized tap. For example, a screw with a UNF point is the same size as a type C screw but with a shorter length.

Spacer

A spacer is an insulating material that sits between 2 parts and centers the shaft of a screw or other fastener. Spacers come in different sizes and shapes. Some of them are made of Teflon, which is thin and has a low coefficient of friction. Other materials used for spacers include steel, which is durable and works well in many applications. Plastic spacers are available in various thicknesses, ranging from 4.6 to 8 mm. They’re suitable for mounting gears and other items that require less contact surface.
These devices are used for precision fastening applications and are essential fastener accessories. They create clearance gaps between the 2 joined surfaces or components and enable the screw or bolt to be torqued correctly. Here’s a quick guide to help you choose the right spacer for the job. There are many different spacers available, and you should never be without one. All you need is a little research and common sense. And once you’re satisfied with your purchase, you can make a more informed decision.
A spacer is a component that allows the components to be spaced appropriately along a screw shaft. This tool is used to keep space between 2 objects, such as the spinning wheel and an adjacent metal structure. It also helps ensure that a competition game piece doesn’t rub against an adjacent metal structure. In addition to its common use, spacers can be used in many different situations. The next time you need a spacer, remember to check that the hole in your screw is threaded.
screwshaft

Nut

A nut is a simple device used to secure a screw shaft. The nut is fixed on each end of the screw shaft and rotates along its length. The nut is rotated by a motor, usually a stepper motor, which uses beam coupling to accommodate misalignments in the high-speed movement of the screw. Nuts are used to secure screw shafts to machined parts, and also to mount bearings on adapter sleeves and withdrawal sleeves.
There are several types of nut for screw shafts. Some have radial anti-backlash properties, which prevent unwanted radial clearances. In addition, they are designed to compensate for thread wear. Several nut styles are available, including anti-backlash radial nuts, which have a spring that pushes down on the nut’s flexible fingers. Axial anti-backlash nuts also provide thread-locking properties.
To install a ball nut, you must first align the tangs of the ball and nut. Then, you must place the adjusting nut on the shaft and tighten it against the spacer and spring washer. Then, you need to lubricate the threads, the ball grooves, and the spring washers. Once you’ve installed the nut, you can now install the ball screw assembly.
A nut for screw shaft can be made with either a ball or a socket. These types differ from hex nuts in that they don’t need end support bearings, and are rigidly mounted at the ends. These screws can also have internal cooling mechanisms to improve rigidity. In this way, they are easier to tension than rotating screws. You can also buy hollow stationary screws for rotator nut assemblies. This type is great for applications requiring high heat and wide temperature changes, but you should be sure to follow the manufacturer’s instructions.

China Custom Custom Design High Precision 1045c Transmission Gear Shaft for Auto Car Parts with Hot selling

China wholesaler High Precision Stainless Steel Gear Shaft, CNC Machined Part wholesaler

Product Description

Business type	Factory/manufacturer
Service	CNC machining
	Turning and milling
	CNC turning
	OEM parts
Material	(1) Aluminum:AL 6061-T6,6063,7075-T
	(2)Stainless steel:303,304,316L,17-4(SUS630)
	(3)Steel:4140,Q235,Q345B,20#,45#
	(4)Titanium:TA1,TA2/GR2,TA4/GR5,TC4,TC18
	(5)Brass:C36000(HPb62),C37700(HPb59),C26800(H68)
	(6)Copper, bronze, magnesium alloy, Delan, POM, acrylic, PC, etc.
Service	OEM/ODM avaliable
Finish	Sandblasting, anodizing, Blackenning, zinc/Nickl plating, Poland
	Powder coating, passivation PVD plating titanium, electrogalvanization
	Chrome plating, electrophoresis, QPQ
	Electrochemical polishing, chrome plating, knurling, laser etching Logo
Major equipment	CNC machining center (milling machine), CNC lathe, grinding machine
Major equipment	Cylindrical grinding machine, drilling machine, laser cutting machine
Graphic format	STEP, STP, GIS, CAD, PDF, DWG, DXF and other samples
Tolerance	+/-0.003mm
Surface roughness	Ra0.1~3.2
Inspection	Complete testing laboratory with micrometer, optical comparator, caliper vernier, CMM
Inspection	Depth caliper vernier, universal protractor, clock gauge, internal Celsius gauge

Detailed Photos

Product Parameters

MATERIAL AVAILABLE
Aluminum	Stainless Steel	Brass	Copper	Plastic	Iron
AL2571	SS201	C22000	C15710	POM	Q235
ALA380	SS301	C24000	C11000	PEEK	Q345B
AL5052	SS303	C26000	C12000	PVC	1214 / 1215
AL6061	SS304	C28000	C12200	ABS	45#
AL6063	SS316	C35600	etc.	Nylon	20#
AL6082	SS416	C36000		PP	4140 / 4130
AL7075	etc.	C37000		Delrin	12L14
etc.		etc.		etc.	etc.
SURFACE TREATMENT
Aluminum Parts	Stainless Steel Parts		Steel Parts	Brass Parts
Clear Anodized	Polishing		Zinc Plating	Nickel Plating
Color Anodized	Passivating		Oxide black	chrome plating
Sandblast Anodized	Sandblasting		Nickel Plating	Electrophoresis black
Chemical Film	Laser engraving		Powder Coated	Powder coated
Brushing	Electrophoresis black		Heat treatment	Gold plating
Polishing	Oxide black		Chrome Plating	etc.
Chroming	etc		etc
etc
TOLERANCE
The smallest tolerance can reach +/-0.001mm or as per drawing request.
DRAWING FORMAT
PFD	Step	Igs	CAD	Solid	etc

Packaging & Shipping

Company Profile

HangZhou Shinemotor Co.,Ltd located in HangZhou City, ZheJiang Province of China.
Mainly specializes in developing, manufacturing and selling all kinds of customized metal and plastic parts.

Our factory pass SGS, ISO9001/ ISO9001/ ISO14001 verification, parts can be widely used in the fields of automobile,
medical instruments, electronic communications, industrial and consumer applications and so on.

We have introduced a series of advanced and high performance production equipment imported from Japan and ZheJiang :
High precision cnc lathes, 5/6 axis cnc machining centers, plane grinding & centerless grinding machines,
stamping machines, wire cut machines, EDM and many other high-precision CNC equipment.
Our inspection equipment includes: projector, 2D, 2.5D, CMM, hardness testing machine, tool microscope, etc.

We dedicated to developing and producing kinds of brass, aluminum, steel, stainless steel
And plastic machining parts, stamping parts, and also CZPT design and manufacturing.

We firmly hold the concept of ” customer is the first, honesty is the basic, accrete win-win “.
Dedicated to providing you with high-quality products and excellent service!
We sincerely look forward to creating a better future by mutually beneficial cooperation with you.

FAQ

1. Are you a factory or a trading company?

A: We are a factory which has been specialized in cnc machining & automatic manufacturing for more than 10 years.

2. Where is your factory and how can I visit it?
A: Our factory is located in HangZhou city and you can get more detailed information by browsing our website.

3. How long can I get some samples for checking and what about the price?
A: Normally samples will be done within 1-2 days (automatic machining parts) or 3-5 day (cnc machining parts).
The sample cost depends on all information (size, material, finish, etc.).
We will return the sample cost if your order quantity is good.

4. How is the warranty of the products quality control?
A: We hold the tightend quality controlling from very begining to the end and aim at 100% error free.

5.How to get an accurate quotation?
♦ Drawings, photos, detailed sizes or samples of products.
♦ Material of products.
♦ Ordinary purchasing quantity.
♦ Quotation within 1~6 hours

Screw Shaft Types

If you’re looking for a screw shaft, but aren’t sure which type to buy, you’re in luck. In this article, we’ll talk about the different types, including Threaded shank, Round head, and Machined. Once you’ve read it, you’ll know which type to buy. Then, you can decide whether you want a ball screw nut or a threaded shank.

Machined screw shafts

Besides the standard stainless steel shaft, manufacturers also provide a variety of other materials, such as titanium, bronze, and brass. In addition to stainless steel, manufacturers also provide a variety of top-coating options, including zinc, brass, and chromium. Aluminum screws are not particularly durable and are easily affected by weather. Most screw shafts feature self-locking mechanisms. They are especially useful in C-clamps, vises, and screw-top container lids.
For applications where accuracy is vital, a ball screw shaft needs to be annealed. A heat treatment can be performed on the ball screw shaft to ensure that both ends are heated evenly. In this process, the shaft will be more durable, while maintaining its high-precision properties. These screw shafts are a key component in computer-controlled motion-control systems, wire bonding, and other industries that require high-precision and high-quality performance.
Depending on the material used, screw shafts can be made of stainless steel or titanium. High-precision CNC machines and lathes are typically used to manufacture screw shafts. Various shapes and sizes are available, each with a specific application. Whether you need a small or large screw, you can find 1 to fit your needs. And since each size requires a different material, your choice of material is important as well.
In general, the materials used for machining screw shafts are steel, stainless steel, titanium, brass, bronze, and aluminum. Metals that resist corrosion are also commonly used. Other materials for screw shafts are Teflon, nylon, and nylon. You can also find threaded screw shafts in materials such as porcelain, glass, and ceramic. If you want to use your screws in a unique material, consider purchasing a customized one.
screwshaft

Ball screw nuts

If you have a screw shaft, the last thing you want to worry about is the ball nut slipping off. To prevent this, you can place a temporary stop in the shaft’s grooves to ensure that the ball nut does not slide off. When you remove the stop, you can then install the ball screw nut. But, before you can install the ball screw nut, you have to make sure that you have a good grip on the shaft.
When selecting ball screw nuts, it’s important to consider how much preload you need to apply to avoid excessive backlash. Preloading eliminates this problem by making the ball nut compact. It also prevents backlash, which is lost motion caused by clearance between the ball and nut. Backlash disrupts repeatability and accuracy. This is where spacer preloading comes in. You can insert a spacer between the 2 ball nuts to transmit the force to the nut. However, you should keep in mind that this method reduces the load capacity of the ball screw.
The critical speed of a screw is the maximum rotating speed before it whips. This critical speed is influenced by several factors, including the diameter of the screw shaft, the number of support elements, and the material. By adjusting these factors, you can reduce the number of components used and the amount of time it takes to assemble the screw shaft. In addition, you can also reduce the number of components and avoid stacking tolerances. However, the critical speed of plastic nuts is limited due to sliding friction.
The ball screw nut has several characteristics that make it unique. Its most prominent feature is the presence of ball bearings. These balls help reduce friction between the screw nut and the shaft. Without ball bearings, the friction would be too high to function properly. Another important characteristic is the groove profile of the nut and ball. These 2 features ensure that the ball and the nut meet at 2 points. You’ll be amazed by the results of the work of these ball screw nuts.
screwshaft

Threaded shank

Wood screws are usually not fully threaded because the shank has an unthreaded portion at the top. This shoulder part forces the screw to compress 2 pieces of wood, which prevents the screw from overheating and compromising the materials strength. As the screw is threaded partially up, it is not as difficult to remove as a fully threaded screw. However, it is important to note that a wood screw will not hold as tightly as 1 with a fully threaded shank.
In addition to being universal, screw threads can be of different sizes. For example, a M8 screw has a thread pitch of 1.25 mm. To avoid confusion, screw thread pitches are commonly given with a multiplication sign. For example, M8x1 means that the screw is 8 mm in diameter but has a thread pitch of 1 mm per 360-degree rotation. Those who are not familiar with these dimensions may find it confusing.
The OD of the threaded portion of a bolt is generally smaller than the OD of the nut. If the shank is too deep for the nut to fit, the threads may bottom out. This is why it’s important to use a thread-cutting bit with a small thread diameter. You can use a micrometer or caliper to measure the thread diameter. This tool will also allow you to easily identify which screw size fits where and how well.
The metric system is the most widely used. Fasteners with DIN numbers are generally metric in size. This makes them very useful for industrial settings. You can find metric-sized screws anywhere, as long as you buy them from a reputable manufacturer. These fasteners also come with a dog point, which is used for safety wire. If the screw needs to be replaced, the shank can be drilled with a hole for a safety wire or for a dog-point.

Round head

A round head screw is the most common type used for machine screws. Other common types include truss head, flat head, and hexed head. Each has a different profile and are used for different purposes. A round head screw is typically wider than a flat or a hexed head, and has a slightly rounded surface. These screws are useful for projects involving sheet metal or sheet-metal parts. Round heads are usually slightly wider than a hex head screw, and they may also be used as a substitute for washers in certain applications. However, truss heads are not necessary for every project.
A wood screw has a smooth shank that protrudes above the surface of the material it is attaching. A metal screw has a threaded shaft that is fully threaded from head to point, and a fully threaded shaft provides more bite. Two common head styles are round head and pan head. If the task requires the screw to be flush or countersunk, the round head will be the best choice.
Another type is the Reed & Prince screw drive. These are similar to Phillips screws but have a 75-degree V shape. They are commonly used in marine hardware and are also known as BNAE NFL22-070. This type is also used for steel plate hangers. In addition to round head and pan head screws, there are a variety of other screw types. You can even get a head with a slotted head if you know where to look.
Screw diameters are specified according to the ISO 261 or ISO 262 standards. An M8 screw has a diameter of 8.25 mm. The M8 screw has a pitch of 1.25 mm, which is equivalent to 1 mm per 360 degrees. There are several other standard screw sizes and thread diameters available. You can find them all by consulting the relevant standards. But remember, the metric system is the most popular.
screwshaft

Self-locking mechanism

A self-locking mechanism for a screw shaft is a device that secures the screw to its supporting member in a failure position. The locking mechanism provides a positive connection between the screw shaft and the control surface during normal operation, and locks the screw to its supporting member when the screw fails. Previous attempts to solve this problem have typically used secondary nuts with free play on the screw, which were intentionally designed to jam when loaded. However, such a device can be unreliable, which is why the present invention offers a more robust and reliable locking mechanism.
The self-locking function of a screw depends on several factors, including its pitch angle and the coefficient of friction of the threads. The angle of friction must be less than the tangent of the material pairing to prevent untightening of the screw. Screws with self-locking mechanisms have an efficiency e lower than 50%, which is less than half. Self-locking screws also have the benefit of being less efficient than a standard screw.
Unlike a normal screw, a self-locking screw can be turned in either direction. The nut 22 rotates with the screw shaft, and the member 23 is translated in an axial direction. Regardless of the direction of the rotation of the screw, this axial translation will result in the opposite moment to that input moment. While screw self-locking mechanisms are typically less expensive, they are more reliable and durable.
Another important feature of self-locking screws is that they are not susceptible to independent loosening. The screw cannot rotate without a certain amount of torque. In addition, a self-locking screw shaft must have a small wedge with a smaller half-angle than the arctangent of the static friction. This means that the torque applied by the driver must be greater than the torque needed to overcome the friction.

China wholesaler High Precision Stainless Steel Gear Shaft, CNC Machined Part wholesaler

China factory Precision Small Bull Gear Pinion Shaft, Counter Shaft with Best Sales

Product Description

Precision small bull gear pinion shaft, counter shaft

We specialized in precision parts and components machining to serve the electronics, automotive parts, astronautical parts, medical appliances and hand tool industries. And widely range of design and manufacturing including custom cnc machining, cnc machined parts, non-standard machine parts, machined casting parts and precision turned parts that the materials of hardware parts are in steel, stainless steel, brass, aluminum and plastic.
if you have special requirement about the parts material, tolerance, process, treatment,
equipment or test, such as seamless copper fin tubing, aluminum alloy 535 casting, and
glass-lined alloy casting, special paint painting, 5 axis centers, 3D Coordinate
Measurement Machines (CMM) test … just feel free to contact us, we will try our best to
meet the needs of you.

Industry Focus Appliance/ Automotive/ Agricultural Electronics/ Industrial/ Marine Mining/ Hydraulics/ Valves Oil and Gas/ Electrical/ Construction

Additional Capabilities CAD Design Services CAM Programming Services Coordinate Measuring Machines (CMM) Reverse Engineering

Specification	Precision small bull gear pinion shaft, counter shaft
Material	Stainless steel, copper, brass, carbon steel, aluminum (according to customer’s requirement.
Surface Treatment	Zn-plating, Ni-plating, Cr-plating, Tin-plating, copper-plating, the wreath oxygen resin spraying, the heat disposing, hot-dip galvanizing, black oxide coating, painting, powdering, color zinc-plated, blue black zinc-plated, rust preventive oil, titanium alloy galvanized, silver plating, plastic, electroplating, anodizing etc.
Main Products	Precision screw,bolt, nuts,fastener,knob,pins, bushing, sleeve,gear, stamping parts,washer,gasket, plastic molding injection parts, standoff,CNC machining service,accessories etc.
Producing Equipment	CNC machine , automatic lathe machine,stamping machine,CNC milling machine,rolling machine,lasering,tag grinding machine etc.
Management System	ISO9001 – 2008
Available Certificate	RoHS, SGS, Material Certification
Testing Equipment	Projecting apparatus, Salt Spray Test, Durometer, and Coating thickness tester , 2D projector
Lead time	10-15 working days as usual,It will based on the detailed order quantity.
Managing Returned Goods	With quality problem or deviation from drawings
Delivery of Samples	By DHL,Fedex,UPS, TNT,EMS^^
Warranty	Replacement at all our cost for rejected products
Main Markets	North America, South America, Eastern Europe , West Europe , North Europe, South Europe, Asia
How to order	* You send us drawing or sample
	* We carry through project assessment
	* We give you our design for your confirmation
	* We make the sample and send it to you after you confirmed our design
	* You confirm the sample then place an order and pay us 30% deposit
	* We start producing
	* When the goods is done, you pay us the balance after you confirmed pictures or tracking numbers.
	* Trade is done, thank you!!
Applications	Toy,Automotive, instrument, electrical equipment, household appliances, furniture, mechanical equipment, daily living equipment, electronic sports equipment, light industry products, sanitation machinery, market/ hotel equipment supplies, artware etc.

FAQ

Q1:How to guarantee the Quality of Industrial Parts?

A1:we are ISO 9001-2008 certified firm. we have the integrated system for industrial parts quality control. We have IQC (incoming quality control), IPQCS (in process quality control section), FQC (final quality control) and OQC (out-going quality control) to control each process of industrial parts prodution.

Q2:What’s the Advantage of Your Parts for Industry Products?

A2:Our advantage is the competitive prices, fast delivery and high quality. Our employees are responsible-oriented, friendly-oriented,and dilient-oriented. our Industrial parts products are featured by strict tolerance, smooth finish and long-life performance.

Q3:what are our machining equipmengts?

A3:Our machining equipments include CNC milling machines, CNC turning machines, stamping machines,hobbing machines, automatic lathe machines, tapping machines, grinding machines, screw machines, cutting machines and so on.

Q4: What shipping ways our use?

A4:Generally speaking, we will use UPS or DHL to ship the products. Our customers can reach the products within 3 days.If our customers do not need them urgently, we will also use Fedex and TNT.If the products are of heavy weight and large volumn, we will ship them by sea. This way can save our customers a lot of money.

Q5:Who are our main customers?

A5:HP, Samsung, Jabil Group,Lexmark,Flextronic Group.

Q6:What materials can you handle?

A6:Brass,bronze,copper,stainless steel, steel,aluminum,titanium And plastic.

Q7:How Long is the Delivery for Your Industrial Part?

A7:Generally speaking, it will take us 15 working days for machining parts and 25 working days for the for stamping parts products. But we will shorten our lead time according to customers’ demands if we are CZPT to.

Screw Shaft Types

Machined screw shafts

Ball screw nuts

Threaded shank

Round head

Self-locking mechanism

China factory Precision Small Bull Gear Pinion Shaft, Counter Shaft with Best Sales

China manufacturer Precision Accuracy Custom Steel Spline Shaft Worm Wheel Gear Shaft near me manufacturer

Product Description

Our Advantages

Our advantange, Low MOQ as less as 1 piece, 100% inspection, Short Lead time.

Our service

We manufacture various shafts made according to drawing, including roud shaft, square shaft, hollow shaft, screw shaft, spline shaft, gear shaft, etc.

Material	Alloy, stainless steel, Carbon steel, etc.
Mahines	NC lathe, Milling macine, Ginder, CNC, Gear milling machine.
Third party inspection	Available, SGS, CNAS, BV, etc.
UT standard	ASTM A388, AS1065, GB/T6402, etc.
Packaging	Seaworthy packing
Drawing format	PDF, DWG, DXF, STP, IGS, etc.
Application	Industry usage, Machine usage.
MOQ	1 piece
Drawing format	PDF, DWG, DXF, STP, IGS, etc.
Quotation time	1 days.
Lead time	Generaly 30-40 days for mass production.

Our Product

During the pass 10 years, we have supplied hundreds of customers with perfect precision machining jobs:

Workshop & machining process

We manufacture various shafts made according to drawing, including roud shaft, square shaft, hollow shaft, screw shaft, spline shaft, gear shaft, etc.

Our factory equipments & Quality Control

FAQ

Q: Are you treading company or manufacturer?
A: We are manufacturer.

Q: How about your MOQ?
A: We provide both prototype and mass production, Our MOQ is 1 piece.

Q:How long can I get a quote after RFQ?
A:we generally quote you within 24 hours. More detail information provided will be helpful to save your time.
1) detailed engineering drawing with tolerance and other requirement.
2) the quantity you demand.

Q:How is your quality guarantee?
A:we do 100% inspection before delivery, we are looking for long term business relationship.

Q:Can I sign NDA with you?
A:Sure, we will keep your drawing and information confidential.

Screw Shaft Types and Uses

Various uses for the screw shaft are numerous. Its major diameter is the most significant characteristic, while other aspects include material and function are important. Let us explore these topics in more detail. There are many different types of screw shafts, which include bronze, brass, titanium, and stainless steel. Read on to learn about the most common types. Listed below are some of the most common uses for a screw shaft. These include: C-clamps, screw jacks, vises, and more.
screwshaft

Major diameter of a screw shaft

A screw’s major diameter is measured in fractions of an inch. This measurement is commonly found on the screw label. A screw with a major diameter less than 1/4″ is labeled #0 to #14; those with a larger diameter are labeled fractions of an inch in a corresponding decimal scale. The length of a screw, also known as the shaft, is another measure used for the screw.
The major diameter of a screw shaft is the greater of its 2 outer diameters. When determining the major diameter of a screw, use a caliper, micrometer, or steel rule to make an accurate measurement. Generally, the first number in the thread designation refers to the major diameter. Therefore, if a screw has a thread of 1/2-10 Acme, the major diameter of the thread is.500 inches. The major diameter of the screw shaft will be smaller or larger than the original diameter, so it’s a good idea to measure the section of the screw that’s least used.
Another important measurement is the pitch. This measures the distance between 1 thread’s tip and the next thread’s corresponding point. Pitch is an important measurement because it refers to the distance a screw will advance in 1 turn. While lead and pitch are 2 separate concepts, they are often used interchangeably. As such, it’s important to know how to use them properly. This will make it easier to understand how to select the correct screw.
There are 3 different types of threads. The UTS and ISO metric threads are similar, but their common values for Dmaj and Pmaj are different. A screw’s major diameter is the largest diameter, while the minor diameter is the lowest. A nut’s major diameter, or the minor diameter, is also called the nut’s inside diameter. A bolt’s major diameter and minor diameter are measured with go/no-go gauges or by using an optical comparator.
The British Association and American Society of Mechanical Engineers standardized screw threads in the 1840s. A standard named “British Standard Whitworth” became a common standard for screw threads in the United States through the 1860s. In 1864, William Sellers proposed a new standard that simplified the Whitworth thread and had a 55 degree angle at the tip. Both standards were widely accepted. The major diameter of a screw shaft can vary from 1 manufacturer to another, so it’s important to know what size screw you’re looking for.
In addition to the thread angle, a screw’s major diameter determines the features it has and how it should be used. A screw’s point, or “thread”, is usually spiky and used to drill into an object. A flat tipped screw, on the other hand, is flat and requires a pre-drilled hole for installation. Finally, the diameter of a screw bolt is determined by the major and minor diameters.
screwshaft

Material of a screw shaft

A screw shaft is a piece of machine equipment used to move raw materials. The screw shaft typically comprises a raw material w. For a particular screw to function correctly, the raw material must be sized properly. In general, screw shafts should have an axial-direction length L equal to the moving amount k per 1/2 rotation of the screw. The screw shaft must also have a proper contact angle ph1 in order to prevent raw material from penetrating the screw shaft.
The material used for the shaft depends on its application. A screw with a ball bearing will work better with a steel shaft than 1 made of aluminum. Aluminum screw shafts are the most commonly used for this application. Other materials include titanium. Some manufacturers also prefer stainless steel. However, if you want a screw with a more modern appearance, a titanium shaft is the way to go. In addition to that, screws with a chromium finish have better wear resistance.
The material of a screw shaft is important for a variety of applications. It needs to have high precision threads and ridges to perform its function. Manufacturers often use high-precision CNC machines and lathes to create screw shafts. Different screw shafts can have varying sizes and shapes, and each 1 will have different applications. Listed below are the different materials used for screw shafts. If you’re looking for a high-quality screw shaft, you should shop around.
A lead screw has an inverse relationship between contact surface pressure and sliding velocity. For heavier axial loads, a reduced rotation speed is needed. This curve will vary depending on the material used for the screw shaft and its lubrication conditions. Another important factor is end fixity. The material of a screw shaft can be either fixed or free, so make sure to consider this factor when choosing the material of your screw. The latter can also influence the critical speed and rigidity of the screw.
A screw shaft’s major diameter is the distance between the outer edge of the thread and the inner smooth part. Screw shafts are typically between 2 and 16 millimeters in diameter. They feature a cylindrical shape, a pointy tip, and a wider head and drive than the former. There are 2 basic types of screw heads: threaded and non-threaded. These have different properties and purposes.
Lead screws are a cost-effective alternative to ball screws, and are used for low power and light to medium-duty applications. They offer some advantages, but are not recommended for continuous power transmission. But lead screws are often quieter and smaller, which make them useful for many applications. Besides, they are often used in a kinematic pair with a nut object. They are also used to position objects.
screwshaft

Function of a screw shaft

When choosing a screw for a linear motion system, there are many factors that should be considered, such as the position of the actuator and the screw and nut selection. Other considerations include the overall length of travel, the fastest move profile, the duty cycle, and the repeatability of the system. As a result, screw technology plays a critical role in the overall performance of a system. Here are the key factors to consider when choosing a screw.
Screws are designed with an external threading that digs out material from a surface or object. Not all screw shafts have complete threading, however. These are known as partially threaded screws. Fully threaded screws feature complete external threading on the shaft and a pointed tip. In addition to their use as fasteners, they can be used to secure and tighten many different types of objects and appliances.
Another factor to consider is axial force. The higher the force, the bigger the screw needs to be. Moreover, screws are similar to columns that are subject to both tension and compression loads. During the compression load, bowing or deflection is not desirable, so the integrity of the screw is important. So, consider the design considerations of your screw shaft and choose accordingly. You can also increase the torque by using different shaft sizes.
Shaft collars are also an important consideration. These are used to secure and position components on the shaft. They also act as stroke limiters and to retain sprocket hubs, bearings, and shaft protectors. They are available in several different styles. In addition to single and double split shaft collars, they can be threaded or set screw. To ensure that a screw collar will fit tightly to the shaft, the cap must not be overtightened.
Screws can be cylindrical or conical and vary in length and diameter. They feature a thread that mates with a complementary helix in the material being screwed into. A self-tapping screw will create a complementary helix during driving, creating a complementary helix that allows the screw to work with the material. A screw head is also an essential part of a screw, providing gripping power and compression to the screw.
A screw’s pitch and lead are also important parameters to consider. The pitch of the screw is the distance between the crests of the threads, which increases mechanical advantage. If the pitch is too small, vibrations will occur. If the pitch is too small, the screw may cause excessive wear and tear on the machine and void its intended purpose. The screw will be useless if it can’t be adjusted. And if it can’t fit a shaft with the required diameter, then it isn’t a good choice.
Despite being the most common type, there are various types of screws that differ in their functions. For example, a machine screw has a round head, while a truss head has a lower-profile dome. An oval-its point screw is a good choice for situations where the screw needs to be adjusted frequently. Another type is a soft nylon tip, which looks like a Half-dog point. It is used to grip textured or curved surfaces.

China manufacturer Precision Accuracy Custom Steel Spline Shaft Worm Wheel Gear Shaft near me manufacturer