Structure: Flexible
Material: Steel, steel
Coatings: NICKEL
Torque Capacity: Custom-Making
Length: REQUESTED
Model Number: OEM
Application: CNC Machining shaft with threaded end
Service: Customized OEM
Surface treatment: Nickel
Equipment: CNC machining certer
Item: CNC Machining shaft with threaded end
Packaging Details: As per your requirements
Port: HangZhou

CNC Machining shaft with threaded end
Quick details:
1. OEM & ODM/ JIACAI Precision CNC machined parts2. Quickly turnover in 10-30 days based on order quantities.3. Tolerance control down to 0.001mm.4. 3-4-5 axis CNC machining, turning, milling, grinding, drilling, tapping, WEDM, laser cutting and marking, ect.5. Completed metal and plastic CNC parts with complex geometries.6. Reply you in 8 hours and quote you in 24 hours.

Products Show Our Service CNC Milling & Turning5 Axis CNC MachiningISO9001:2008 Certification
Our FactoryAbout JIACAI PrecisionJIACAI Precision is 1 of a global leader in the design and manufacture of custom precision machining parts. We provide custom complete turnkey precision machining solutions to thousands of customers in diverse markets throughout the world, including medical, automotive, marine, aerospace, defense, precision instrument, home appliance, electronics, machinery, oil & gas, sensors and more. Our customers have come to rely on our years of experience and expertise.Our MissionTo serve our customers with state-of-the-art machines and complete turnkey machining solutions that are both timely and within budget by maintaining an extensive design, test and manufacturing capability. To be recognized as an innovator in the field by continued investment in our people, technology, and manufacturing capabilities.What We DoWe offer customized precision machining service and solutions that help customers meet strict operational demands. With a staff of over 200 highly skilled, experienced engineers and workers, we address great capabilities in the following machining areas:CNC Milling & TurningCAM ProgrammingSheet Metal FabricationGrinding & DeburringTapping &DrillingCutting & KnurlingLaser MarkingWire EDMSurface FinishHow We Do ItSince 2001, we’ve collaborated with our customers to provide the most qualified, durable machining parts that withstand even the harshest environments. Serving a worldwide customer base, we do this with:*Over 200 full time engineers & workers on staff to optimize efficiency and cost saving*Extensive testing to get the sample and mass production right the first time*Comprehensive in-house capabilities to meet all customer needs*Over 30,000 square meters of manufacturing plant*Expert design and development for all custom precision machining parts*To better control the quality of the customized parts, we’ve invested substantially in equipment, facilities, and training. Our investments enable us to deliver every order according to specification – on time and on budget. Factory EntranceLocates in HangZhou, ChinaReception DeskJiacai Precision Hardware Co.,LTD CNC Machining CentreTolerance less than 0.002mmCNC Automatic LatheTolerance less than 0.005mm Multi-Function MachiningJIACAI Precision offers the latest in multi-function machining equipment and technology. In fact, our high quality multi-function machinery provides the most extreme precision in the industry for this specialized process. Our live-tool turning center in our HangZhou machine shop allows for lathe and mill work to be performed in 1 operation. This greatly increases efficiency while decreasing the need for handling parts and components and reducing the opportunities for errors to occur. We provide these specialized multi-function machining services for virtually any type of machinable material – producing a countless variety of parts and components utilized by numerous industries.Quality Control CMM MachineProjector InstrumentHeight Measuring Instrument Concentricity InstrumentSalt Spray Test MachineMeasuring MicroscopeQuality Inspection- Design for Manufacturing (DFM) and Production for manufacturing technical review for all of your projects.- Contract and purchaser order review.- Incoming raw materials inspection- Samples and production process inspection- Comply with relative testing certifications according to customers standard.- Final inspection and testing reports and certifications per customer requirements.Production Process: – Purchasing raw material – Do Inspection on raw material (IQC) – Make samples- Inspection samples (QC and engineer) – Sample approval by customer – Mass production (LQC,PQC) – Surface finish (IQC) – Packing (FQC) – Make Delivery (FQC)Customer Visit Welcome to our plant.We would warmly welcome customers to visit our factory in HangZhou, its a world manufacturing city which locates between HangZhou and HangZhou, only half hour driving distance to both cities. We can pick up you at the airports of HangZhou or HangZhou.
TestimonialsFRANZ from GERMANY“The parts we ordered worked perfectly for our investigation on an engineering change for a vehicle. I would like to thank for the Jiacai team”. – Volkswagen of Germany
TIM FRIIS from U.S.A“I received my order today and just wanted to let you know that you met my hopes for the quality of the parts. The customer service is def the best”.—Cummings of USA
FAQQ: What can we do for you?A: You can come to us for Custom CNC Machining, CNC Milling, CNC Turning, Precision CNC Machining, CNC Machined parts or CNC Machining Parts. With modern CNC Machining equipments and automatic screw machines and many other secondary machining equipments, we can handle orders of up to millions of parts.
Q: Why should you choose us ?A: 1) Already served industrial leaders like Volkswagon, BMW, Cummings, IBM, CZPT and more; 2) Modern precision CNC machining with conventional machining means cost-effective; 3) Quite familiar with stainless steel machining. 4) Prompt response to you within 8 hours;5) Sales quotation for you within 24 hours upon receipt of drawings or samples; 6) Devoted to be your long-run partner not just supplier.
Q: What is our workable materials?A: We can machining both Metal & Plastics parts. Metals including Aluminum, Brass, Copper, Stainless Steel. Such as AL5052, AL6061, AL7075, SUS303, SUS304, SUS316, 316L, LY12, 65Mn, Cr12, 40CrMo, AL6063 , ST12.03,SS2331, AISI12L14, Y15, 45#, Q275, Bakelite ,POM, Nylon, Teflon and Acrylic and more.
Q: How to get a sales quotation from us?A: Please send us your part drawings or samples with your detailed requirements to us by email or fax. Then we will arrange quotation for you within 48 hours. Drawing format can be 2D or 3D like JPG, PDF, DWG, DXF, STP. We respect your intellectual property and without your written permission, we will never disclose your drawings and other information to any other third parties. If you have a NDA(Nondisclosure Agreement), just send it to us and we will sign and return it to you.

Lead Screws and Clamp Style Collars

If you have a lead screw, you’re probably interested in learning about the Acme thread on this type of shaft. You might also be interested in finding out about the Clamp style collars and Ball screw nut. But before you buy a new screw, make sure you understand what the terminology means. Here are some examples of screw shafts:

Acme thread

The standard ACME thread on a screw shaft is made of a metal that is resistant to corrosion and wear. It is used in a variety of applications. An Acme thread is available in a variety of sizes and styles. General purpose Acme threads are not designed to handle external radial loads and are supported by a shaft bearing and linear guide. Their design is intended to minimize the risk of flank wedging, which can cause friction forces and wear. The Centralizing Acme thread standard caters to applications without radial support and allows the thread to come into contact before its flanks are exposed to radial loads.
The ACME thread was first developed in 1894 for machine tools. While the acme lead screw is still the most popular screw in the US, European machines use the Trapezoidal Thread (Metric Acme). The acme thread is a stronger and more resilient alternative to square threads. It is also easier to cut than square threads and can be cut by using a single-point threading die.
Similarly to the internal threads, the metric versions of Acme are similar to their American counterparts. The only difference is that the metric threads are generally wider and are used more frequently in industrial settings. However, the metric-based screw threads are more common than their American counterparts worldwide. In addition, the Acme thread on screw shafts is used most often on external gears. But there is still a small minority of screw shafts that are made with a metric thread.
ACME screws provide a variety of advantages to users, including self-lubrication and reduced wear and tear. They are also ideal for vertical applications, where a reduced frictional force is required. In addition, ACME screws are highly resistant to back-drive and minimize the risk of backlash. Furthermore, they can be easily checked with readily available thread gauges. So, if you’re looking for a quality ACME screw for your next industrial project, look no further than ACME.

Lead screw coatings

The properties of lead screw materials affect their efficiency. These materials have high anti-corrosion, thermal resistance, and self-lubrication properties, which eliminates the need for lubrication. These coating materials include polytetrafluoroethylene (PFE), polyether ether ketone (PEK), and Vespel. Other desirable properties include high tensile strength, corrosion resistance, and rigidity.
The most common materials for lead screws are carbon steel, stainless steel, and aluminum. Lead screw coatings can be PTFE-based to withstand harsh environments and remove oil and grease. In addition to preventing corrosion, lead screw coatings improve the life of polymer parts. Lead screw assembly manufacturers offer a variety of customization options for their lead screw, including custom-molded nuts, thread forms, and nut bodies.
Lead screws are typically measured in rpm, or revolutions per minute. The PV curve represents the inverse relationship between contact surface pressure and sliding velocity. This value is affected by the material used in the construction of the screw, lubrication conditions, and end fixity. The critical speed of lead screws is determined by their length and minor diameter. End fixity refers to the support for the screw and affects its rigidity and critical speed.
The primary purpose of lead screws is to enable smooth movement. To achieve this, lead screws are usually preloaded with axial load, enabling consistent contact between a screw’s filets and nuts. Lead screws are often used in linear motion control systems and feature a large area of sliding contact between male and female threads. Lead screws can be manually operated or mortised and are available in a variety of sizes and materials. The materials used for lead screws include stainless steel and bronze, which are often protected by a PTFE type coating.
These screws are made of various materials, including stainless steel, bronze, and various plastics. They are also made to meet specific requirements for environmental conditions. In addition to lead screws, they can be made of stainless steel, aluminum, and carbon steel. Surface coatings can improve the screw’s corrosion resistance, while making it more wear resistant in tough environments. A screw that is coated with PTFE will maintain its anti-corrosion properties even in tough environments.

Clamp style collars

The screw shaft clamp style collar is a basic machine component, which is attached to the shaft via multiple screws. These collars act as mechanical stops, load bearing faces, or load transfer points. Their simple design makes them easy to install. This article will discuss the pros and cons of this style of collar. Let’s look at what you need to know before choosing a screw shaft clamp style collar. Here are some things to keep in mind.
Clamp-style shaft collars are a versatile mounting option for shafts. They have a recessed screw that fully engages the thread for secure locking. Screw shaft clamp collars come in different styles and can be used in both drive and power transmission applications. Listed below are the main differences between these two styles of collars. They are compatible with all types of shafts and are able to handle axial loads of up to 5500 pounds.
Clamp-style shaft collars are designed to prevent the screw from accidentally damaging the shaft when tightened. They can be tightened with a set screw to counteract the initial clamping force and prevent the shaft from coming loose. However, when tightening the screw, you should use a torque wrench. Using a set screw to tighten a screw shaft collar can cause it to warp and reduce the surface area that contacts the shaft.
Another key advantage to Clamp-style shaft collars is that they are easy to install. Clamp-style collars are available in one-piece and two-piece designs. These collars lock around the shaft and are easy to remove and install. They are ideal for virtually any shaft and can be installed without removing any components. This type of collar is also recommended for those who work on machines with sensitive components. However, be aware that the higher the OD, the more difficult it is to install and remove the collar.
Screw shaft clamp style collars are usually one-piece. A two-piece collar is easier to install than a one-piece one. The two-piece collars provide a more effective clamping force, as they use the full seating torque. Two-piece collars have the added benefit of being easy to install because they require no tools to install. You can disassemble one-piece collars before installing a two-piece collar.

Ball screw nut

The proper installation of a ball screw nut requires that the nut be installed on the center of the screw shaft. The return tubes of the ball nut must be oriented upward so that the ball nut will not overtravel. The adjusting nut must be tightened against a spacer or spring washer, then the nut is placed on the screw shaft. The nut should be rotated several times in both directions to ensure that it is centered.
Ball screw nuts are typically manufactured with a wide range of preloads. Large preloads are used to increase the rigidity of a ball screw assembly and prevent backlash, the lost motion caused by a clearance between the ball and nut. Using a large amount of preload can lead to excessive heat generation. The most common preload for ball screw nuts is 1 to 3%. This is usually more than enough to prevent backlash, but a higher preload will increase torque requirements.
The diameter of a ball screw is measured from its center, called the ball circle diameter. This diameter represents the distance a ball will travel during one rotation of the screw shaft. A smaller diameter means that there are fewer balls to carry the load. Larger leads mean longer travels per revolution and higher speeds. However, this type of screw cannot carry a greater load capacity. Increasing the length of the ball nut is not practical, due to manufacturing constraints.
The most important component of a ball screw is a ball bearing. This prevents excessive friction between the ball and the nut, which is common in lead-screw and nut combinations. Some ball screws feature preloaded balls, which avoid “wiggle” between the nut and the ball. This is particularly desirable in applications with rapidly changing loads. When this is not possible, the ball screw will experience significant backlash.
A ball screw nut can be either single or multiple circuits. Single or multiple-circuit ball nuts can be configured with one or two independent closed paths. Multi-circuit ball nuts have two or more circuits, making them more suitable for heavier loads. Depending on the application, a ball screw nut can be used for small clearance assemblies and compact sizes. In some cases, end caps and deflectors may be used to feed the balls back to their original position.

editor by czh