Product Description
50 Hp 0.8 Mpa Oil Less Rotary Permanent Magnet Variable Frequency Screw Compressor
Technical Parameters Of PM Variable speed screw air compressor:
Model | WZS-150EVA |
Air Flow/Working pressure | 18.6m3/min @ 8bar |
17.3m3/min @ 10bar | |
Cooling type of COMPRESSOR | Air cooling |
Cooling type of MOTOR | Air cooling |
Driven method | Direct Driven |
Start way | Soft VSD Start |
VSD inverter | HOLIP / VEICHI |
Exhaust Temp. | < ambient temp. +8 degrees |
Oil content | <2ppm |
Noise | 71±2 dB(A) |
Power | 380VAC/3ph/0~200Hz |
Motor power | 110kw/150hp |
Dimension | 2250*1650*1850mm |
Weight | 26000kg |
Model | Power (KW) |
Pressure (Bar) |
Air flow (m³/min) |
Noise dB(A) |
Compression stages | Outlet diameter (Inch) |
Dimension (mm) |
Weight (kg) |
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L | W | H | ||||||||
WZS-15EVA | 11 | 8 | 1.8 | 62±2 | Single | 1″ | 1300 | 860 | 1030 | 380 |
10 | 1.6 | |||||||||
WZS-20EVA | 15 | 8 | 2.2 | 63±2 | Single | 1″ | 1300 | 860 | 1030 | 480 |
10 | 2.0 | |||||||||
WZS-30EVA | 22 | 8 | 3.8 | 66±2 | Single | 1¼” | 1380 | 850 | 1150 | 620 |
10 | 3.0 | |||||||||
WZS-40EVA | 30 | 8 | 5.0 | 68±2 | Single | 1¾” | 1380 | 850 | 1150 | 680 |
10 | 4.4 | |||||||||
WZS-50EVA | 37 | 8 | 6.8 | 68±2 | Single | 1½” | 1600 | 1000 | 1370 | 850 |
10 | 5.4 | |||||||||
WZS-60EVA | 45 | 8 | 8.0 | 68±2 | Single | 1½” | 1600 | 1000 | 1370 | 880 |
10 | 6.8 | |||||||||
WZS-75EVA | 55 | 8 | 9.7 | 69±2 | Single | 2″ | 1700 | 1270 | 1500 | 1350 |
10 | 8.6 | |||||||||
WZS-100EVA | 75 | 8 | 13.2 | 70±2 | Single | 2″ | 2150 | 1300 | 1700 | 1650 |
10 | 11.6 | |||||||||
WZS-125EVA | 90 | 8 | 15.0 | 70±2 | Single | 2″ | 2150 | 1100 | 1500 | 1950 |
10 | 14.6 | |||||||||
WZS-150EVA | 110 | 8 | 19.0 | 71±2 | Single | DN65 | 2550 | 1650 | 1850 | 2600 |
10 | 17.0 | |||||||||
WZS-180EVA | 132 | 8 | 23.0 | 72±2 | Single | DN65 | 2550 | 1650 | 1850 | 2880 |
10 | 20.0 | |||||||||
WZS-200EVA | 160 | 8 | 26.5 | 75±2 | Single | DN80 | 2950 | 1800 | 1850 | 3200 |
10 | 22.5 |
Before quotation:
1.Before quoting, what should users offer?
1).Discharge pressure (Bar, Mpa or Psi)
2).Air discharge/Air flow/Air capacity (m3/min or CFM)
3).Power supply (220/380V, 50/60Hz, 3Phase)
2.If I don’t know the pressure and air flow, what should I do?
1).Take the picture of nameplate, we will advise the suitable air compressor to you.
2).Tell us what industry you are, we can advise the suitable 1 (so as to air tank / air dryer / air filters).
High Efficiency PM Motor and Energy Saving
*With the high-performance permanent magnet material, PM motor won’t lose magnetism even under 120°c and can run for more than 15 years.
*No motor bearing: permanent magnet rotors is installed directly on the stretch out shaft of Male rotor. This structure doesn’t have the bearing and eliminates the motor bearing fault.
*Comparing to normal variable speed motor, the permanent magnet synchronous motor performs with even better energy efficiency. Especially in the low-speed condition, it can still maintain a high motor efficiency.
SHIPPING
Delivery: time 5-25 working days after payment receipt confirmed(based on actual quantity)
packing:standard export packing. or customized packing as your
Professional: goods shipping forwarder.
FAQ
Q: OEM/ODM, or customers logo printed is available?
Yes, OEM/ODM, customers logo is welcomed.
Q: Delivery date?
Usually 5-25 workdays after receiving deposit, specific delivery date based on order quantity
Q: what’s your payment terms?
Regularly doing 30% deposit and 70% balance by T/T, Western Union, Paypal, otherpayment terms also can be discussed based on our cooperation.
Q: How to control your quality?
We have professional QC team, control the quality during the mass production and inspectthe completely goods before shipping.
Q: If we don’t have shipping forwarder in China, would you do this for us?
We can offer you best shipping line to ensure you can get the goods timely at best price.
Q: come to China before, can you be my CZPT in China?
We are happy to provide you orservice, such as booking ticket, pick up at the airport, booking hotel, accompany visiting market or factory
After-sales Service: | Video Technical Support |
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Warranty: | 1 Year |
Lubrication Style: | Oil-less |
Cooling System: | Air Cooling |
Power Source: | AC Power |
Cylinder Position: | Horizontal |
Customization: |
Available
| Customized Request |
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Types of Screw Shafts
Screw shafts come in various types and sizes. These types include fully threaded, Lead, and Acme screws. Let’s explore these types in more detail. What type of screw shaft do you need? Which one is the best choice for your project? Here are some tips to choose the right screw:
Machined screw shaft
The screw shaft is a basic piece of machinery, but it can be further customized depending on the needs of the customer. Its features include high-precision threads and ridges. Machined screw shafts are generally manufactured using high-precision CNC machines or lathes. The types of screw shafts available vary in shape, size, and material. Different materials are suitable for different applications. This article will provide you with some examples of different types of screw shafts.
Ball screws are used for a variety of applications, including mounting machines, liquid crystal devices, measuring devices, and food and medical equipment. Various shapes are available, including miniature ball screws and nut brackets. They are also available without keyway. These components form a high-accuracy feed mechanism. Machined screw shafts are also available with various types of threaded ends for ease of assembly. The screw shaft is an integral part of linear motion systems.
When you need a machined screw shaft, you need to know the size of the threads. For smaller machine screws, you will need a mating part. For smaller screw sizes, the numbers will be denominated as industry Numeric Sizes. These denominations are not metric, but rather in mm, and they may not have a threads-per-inch designation. Similarly, larger machine screws will usually have threads that have a higher pitch than those with a lower pitch.
Another important feature of machine screws is that they have a thread on the entire shaft, unlike their normal counterparts. These machine screws have finer threads and are intended to be screwed into existing tapped holes using a nut. This means that these screws are generally stronger than other fasteners. They are usually used to hold together electronic components, industrial equipment, and engines. In addition to this, machine screws are usually made of a variety of materials.
Acme screw
An Acme screw is the most common type of threaded shaft available. It is available in a variety of materials including stainless steel and carbon steel. In many applications, it is used for large plates in crushing processes. ACME screws are self-locking and are ideal for applications requiring high clamping force and low friction. They also feature a variety of standard thread forms, including knurling and rolled worms.
Acme screws are available in a wide range of sizes, from 1/8″ to 6″. The diameter is measured from the outside of the screw to the bottom of the thread. The pitch is equal to the lead in a single start screw. The lead is equal to the pitch plus the number of starts. A screw of either type has a standard pitch and a lead. Acme screws are manufactured to be accurate and durable. They are also widely available in a wide range of materials and can be customized to fit your needs.
Another type of Acme screw is the ball screw. These have no back drive and are widely used in many applications. Aside from being lightweight, they are also able to move at faster speeds. A ball screw is similar to an Acme screw, but has a different shape. A ball screw is usually longer than an Acme screw. The ball screw is used for applications that require high linear speeds. An Acme screw is a common choice for many industries.
There are many factors that affect the speed and resolution of linear motion systems. For example, the nut position and the distance the screw travels can all affect the resolution. The total length of travel, the speed, and the duty cycle are all important. The lead size will affect the maximum linear speed and force output. If the screw is long, the greater the lead size, the higher the resolution. If the lead length is short, this may not be the most efficient option.
Lead screw
A lead screw is a threaded mechanical device. A lead screw consists of a cylindrical shaft, which includes a shallow thread portion and a tightly wound spring wire. This spring wire forms smooth, hard-spaced thread convolutions and provides wear-resistant engagement with the nut member. The wire’s leading and trailing ends are anchored to the shaft by means appropriate to the shaft’s composition. The screw is preferably made of stainless steel.
When selecting a lead screw, one should first determine its critical speed. The critical speed is the maximum rotations per minute based on the natural frequency of the screw. Excessive backlash will damage the lead screw. The maximum number of revolutions per minute depends on the screw’s minor diameter, length, assembly alignment, and end fixity. Ideally, the critical speed is 80% of its evaluated critical speed. A critical speed is not exceeded because excessive backlash would damage the lead screw and may be detrimental to the screw’s performance.
The PV curve defines the safe operating limits of a lead screw. This relationship describes the inverse relationship between contact surface pressure and sliding velocity. As the PV value increases, a lower rotation speed is required for heavier axial loads. Moreover, PV is affected by material and lubrication conditions. Besides, end fixity, which refers to the way the lead screw is supported, also affects its critical speed. Fixed-fixed and free end fixity are both possible.
Lead screws are widely used in industries and everyday appliances. In fact, they are used in robotics, lifting equipment, and industrial machinery. High-precision lead screws are widely used in the fields of engraving, fluid handling, data storage, and rapid prototyping. Moreover, they are also used in 3D printing and rapid prototyping. Lastly, lead screws are used in a wide range of applications, from measuring to assembly.
Fully threaded screw
A fully threaded screw shaft can be found in many applications. Threading is an important feature of screw systems and components. Screws with threaded shafts are often used to fix pieces of machinery together. Having fully threaded screw shafts ensures that screws can be installed without removing the nut or shaft. There are two major types of screw threads: coarse and fine. When it comes to coarse threads, UTS is the most common type, followed by BSP.
In the 1840s, a British engineer named Joseph Whitworth created a design that was widely used for screw threads. This design later became the British Standard Whitworth. This standard was used for screw threads in the United States during the 1840s and 1860s. But as screw threads evolved and international standards were established, this system remained largely unaltered. A new design proposed in 1864 by William Sellers improved upon Whitworth’s screw threads and simplified the pitch and surface finish.
Another reason for using fully threaded screws is their ability to reduce heat. When screw shafts are partially threaded, the bone grows up to the screw shaft and causes the cavity to be too narrow to remove it. Consequently, the screw is not capable of backing out. Therefore, fully threaded screws are the preferred choice for inter-fragmentary compression in children’s fractures. However, surgeons should know the potential complication when removing metalwork.
The full thread depth of a fully threaded screw is the distance at which a male thread can freely thread into the shaft. This dimension is typically one millimeter shy of the total depth of the drilled hole. This provides space for tap lead and chips. The full-thread depth also makes fully threaded screws ideal for axially-loaded connections. It is also suitable for retrofitting applications. For example, fully threaded screws are commonly used to connect two elements.
Ball screw
The basic static load rating of a ball screw is determined by the product of the maximum axial static load and the safety factor “s0”. This factor is determined by past experience in similar applications and should be selected according to the design requirements of the application. The basic static load rating is a good guideline for selecting a ball screw. There are several advantages to using a ball screw for a particular application. The following are some of the most common factors to consider when selecting a ball screw.
The critical speed limit of a ball screw is dependent on several factors. First of all, the critical speed depends on the mass, length and diameter of the shaft. Second, the deflection of the shaft and the type of end bearings determine the critical speed. Finally, the unsupported length is determined by the distance between the ball nut and end screw, which is also the distance between bearings. Generally, a ball screw with a diameter greater than 1.2 mm has a critical speed limit of 200 rpm.
The first step in manufacturing a high-quality ball screw is the choice of the right steel. While the steel used for manufacturing a ball screw has many advantages, its inherent quality is often compromised by microscopic inclusions. These microscopic inclusions may eventually lead to crack propagation, surface fatigue, and other problems. Fortunately, the technology used in steel production has advanced, making it possible to reduce the inclusion size to a minimum. However, higher-quality steels can be expensive. The best material for a ball screw is vacuum-degassed pure alloy steel.
The lead of a ball screw shaft is also an important factor to consider. The lead is the linear distance between the ball and the screw shaft. The lead can increase the amount of space between the balls and the screws. In turn, the lead increases the speed of a screw. If the lead of a ball screw is increased, it may increase its accuracy. If not, the lead of a ball screw can be improved through preloading, lubrication, and better mounting accuracy.
editor by CX 2023-11-13
China Good performance LS600040-12H1L12M8 40mm PU bearing pulley with m8 shaft screw conveyor shaft design
Warranty: 1 year
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Retail, Other
Customized support: OEM, 304 316 Stainless Steel M2 M3 M4 M6 M8 Electronic Motor Long Shaft Furniture Screw Connect Bolts Nuts And Screws ODM
Type: bearing pulley, OTHER, Accessories
Material: PU
Product name: 40mm PU bearing with M8 screw
Keyword: bearing pulley with screw
Application: Machinery
Quality: 100% Pre-tested
Size: Custom Sizes
Sample: Availalbe
Service: Customized OEM
Lead time: Order Confirmed
Product Overview Good performance LS600040-12H1L12M8 40mm PU bearing pulley with m8 shaftName : 40mm PU bearing with M8 screwCondition : New FEATURES AT A GLANCE Widely used, cost-effective, CZPT Trailer suspension casting parts Upper axle seat Leaf spring seat smooth,durable PRODUCT SPECIFICATION
No | Item | Data | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
1 | Material | Stainless Steel bearing information in a timely manner.Q:2.What arrangement about payment?A:We accept payment via T/T transfer ( bank ) , paypal and alibaba online transfer .Q:3.How long does the shipping take?A:We need 3-5 days as handling time and normally it takes another week to ship by Fedex DHL UPS TNT .
What Are Screw Shaft Threads?A screw shaft is a threaded part used to fasten other components. The threads on a screw shaft are often described by their Coefficient of Friction, which describes how much friction is present between the mating surfaces. This article discusses these characteristics as well as the Material and Helix angle. You’ll have a better understanding of your screw shaft’s threads after reading this article. Here are some examples. Once you understand these details, you’ll be able to select the best screw nut for your needs. Coefficient of friction between the mating surfaces of a nut and a screw shaftThere are two types of friction coefficients. Dynamic friction and static friction. The latter refers to the amount of friction a nut has to resist an opposing motion. In addition to the material strength, a higher coefficient of friction can cause stick-slip. This can lead to intermittent running behavior and loud squeaking. Stick-slip may lead to a malfunctioning plain bearing. Rough shafts can be used to improve this condition. Helix angleIn most applications, the helix angle of a screw shaft is an important factor for torque calculation. There are two types of helix angle: right and left hand. The right hand screw is usually smaller than the left hand one. The left hand screw is larger than the right hand screw. However, there are some exceptions to the rule. A left hand screw may have a greater helix angle than a right hand screw. Thread angleThe thread angle of a screw shaft is measured from the base of the head of the screw to the top of the screw’s thread. In America, the standard screw thread angle is 60 degrees. The standard thread angle was not widely adopted until the early twentieth century. A committee was established by the Franklin Institute in 1864 to study screw threads. The committee recommended the Sellers thread, which was modified into the United States Standard Thread. The standardized thread was adopted by the United States Navy in 1868 and was recommended for construction by the Master Car Builders’ Association in 1871. MaterialScrews have a variety of different sizes, shapes, and materials. They are typically machined on CNC machines and lathes. Each type is used for different purposes. The size and material of a screw shaft are influenced by how it will be used. The following sections give an overview of the main types of screw shafts. Each one is designed to perform a specific function. If you have questions about a specific type, contact your local machine shop. Self-locking featuresScrews are known to be self-locking by nature. The mechanism for this feature is based on several factors, such as the pitch angle of the threads, material pairing, lubrication, and heating. This feature is only possible if the shaft is subjected to conditions that are not likely to cause the threads to loosen on their own. The self-locking ability of a screw depends on several factors, including the pitch angle of the thread flank and the coefficient of sliding friction between the two materials.
China Anodized Aluminum Butterfly 535 Knife Handle Support Shaft Screw Accessories Bugout 353 Knife Accessories Refit Parts ball screw shaft designFinish: black, ZINC, Plain, ZINC PLATED, BLUE DYED, Cadmium Plated, Zinc-aluminum Coated, Zinc-Flake Coated, Silver Plated, Blue Anodized Products Description Benchmade 535 Full Sized BUGOUT Custom Standoff / Spacer – Anodized Aluminum Material: aluminum alloySurface treatment: anodic oxidation Recommend Products Company Profile
Screw Sizes and Their UsesScrews have different sizes and features. This article will discuss screw sizes and their uses. There are two main types: right-handed and left-handed screw shafts. Each screw features a point that drills into the object. Flat tipped screws, on the other hand, need a pre-drilled hole. These screw sizes are determined by the major and minor diameters. To determine which size of screw you need, measure the diameter of the hole and the screw bolt’s thread depth. The major diameter of a screw shaftThe major diameter of a screw shaft is the distance from the outer edge of the thread on one side to the tip of the other. The minor diameter is the inner smooth part of the screw shaft. The major diameter of a screw is typically between two and sixteen inches. A screw with a pointy tip has a smaller major diameter than one without. In addition, a screw with a larger major diameter will have a wider head and drive. The pitch diameter of a screw shaftWhen choosing the appropriate screw, it is important to know its pitch diameter and pitch line. The pitch line designates the distance between adjacent thread sides. The pitch diameter is also known as the mean area of the screw shaft. Both of these dimensions are important when choosing the correct screw. A screw with a pitch of 1/8 will have a mechanical advantage of 6.3. For more information, consult an application engineer at Roton. The thread depth of a screw shaftOften referred to as the major diameter, the thread depth is the outermost diameter of the screw. To measure the thread depth of a screw, use a steel rule, micrometer, or caliper. In general, the first number in the thread designation indicates the major diameter of the thread. If a section of the screw is worn, the thread depth will be smaller, and vice versa. Therefore, it is good practice to measure the section of the screw that receives the least amount of use. The lead of a screw shaftPitch and lead are two measurements of a screw’s linear distance per turn. They’re often used interchangeably, but their definitions are not the same. The difference between them lies in the axial distance between adjacent threads. For single-start screws, the pitch is equal to the lead, while the lead of a multi-start screw is greater than the pitch. This difference is often referred to as backlash. The thread angle of a screw shaftThe angle between the axes of a thread and the helix of a thread is called the thread angle. A unified thread has a 60-degree angle in all directions. Screws can have either a tapped hole or a captive screw. The screw pitch is measured in millimeters (mm) and is usually equal to the screw major diameter. In most cases, the thread angle will be equal to 60-degrees. The tapped hole (or nut) into which the screw fitsA screw can be re-threaded without having to replace it altogether. The process is different than that of a standard bolt, because it requires threading and tapping. The size of a screw is typically specified by its major and minor diameters, which is the inside distance between threads. The thread pitch, which is the distance between each thread, is also specified. Thread pitch is often expressed in threads per inch.
China Screw Shaft Used for Sludge Dewatering Equipment screw shaft designItem Description
Screw Shaft of Screw Kind Sludge Dewatering Equipment one. In which will the screw shaft be employed? Usually, the screw shaft is employed as components and components of our primary merchandise-screw sort sludge dewatering gear. This tools is utilised to separate the liquid kind sludge by particular filter cycliner, which blended with fixed rings, shifting rings and a screw shaft. >>>Click below to make contact with us for solution details<<< 2. Why the screw shaft need to be replaced? When the device is functioning, the screw shaft will be weared by the adhering to motives: ♦ Friction amongst sediment and screw shaft ♦ Friction in between shifting rings and screw shaft blade ♦ The inner force in the course of dewatering three. How extended will it take to exchange these parts?
This substitute period is used for reference only. (calculated based mostly on 8 hours’ working time for each day) four. Why pick us?
☆ SS304 material ☆ Floor hardening coating ☆ edge chamfer layout ☆ Lengthier services life five. Certificate 6. About us HangZhou Pioniere Environmental safety Products Co.,Ltd. HangZhou Pioniere, established in 2012, is specialized in producing, creating and advertising of multi-disc sludge dewatering equipment and connected wastewater remedy system. With the spirit “Substantial Top quality, Rapidly Support”, and towards powerful technological force, innovative products, prompt and comprehensive support, we think we can be your very best extended-expression cooperator. “Solution high quality is the foundation of the company“, this is the principle Pioniere usually abide by. Rigorous principles are established up to manage and handle the substance purchasing, merchandise manufacturing, and concluded product inspection. seven. FAQ Q: Which variety of polymer can be dosed into the device? Q:What is the content of polymer dispensing device? Q: No matter whether the machine can be tailored?
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Screws and Screw ShaftsA screw is a mechanical device that holds objects together. Screws are usually forged or machined. They are also used in screw jacks and press-fitted vises. Their self-locking properties make them a popular choice in many different industries. Here are some of the benefits of screws and how they work. Also read about their self-locking properties. The following information will help you choose the right screw for your application. Machined screw shaftA machined screw shaft can be made of various materials, depending on the application. Screw shafts can be made from stainless steel, brass, bronze, titanium, or iron. Most manufacturers use high-precision CNC machines or lathes to manufacture these products. These products come in many sizes and shapes, and they have varying applications. Different materials are used for different sizes and shapes. Here are some examples of what you can use these screws for: Ball screw nutWhen choosing a Ball screw nut for a screw shaft, it is important to consider the critical speed of the machine. This value excites the natural frequency of a screw and determines how fast it can be turned. In other words, it varies with the screw diameter and unsupported length. It also depends on the screw shaft’s diameter and end fixity. Depending on the application, the nut can be run at a maximum speed of about 80% of its theoretical critical speed. Self-locking property of screw shaftA self-locking screw is one that is capable of rotating without the use of a lock washer or bolt. This property is dependent on a number of factors, but one of them is the pitch angle of the thread. A screw with a small pitch angle is less likely to self-lock, while a large pitch angle is more likely to spontaneously rotate. The limiting angle of a self-locking thread can be calculated by calculating the torque Mkdw at which the screw is first released. Materials used to manufacture screw shaftMany materials are commonly used to manufacture screw shafts. The most common are steel, stainless steel, brass, bronze, and titanium. These materials have advantages and disadvantages that make them good candidates for screw production. Some screw types are also made of copper to fight corrosion and ensure durability over time. Other materials include nylon, Teflon, and aluminum. Brass screws are lightweight and have aesthetic appeal. The choice of material for a screw shaft depends on the use it will be made for.
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