Condition: New
Warranty: 3 months
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Construction works , Energy & Mining
Weight (KG): 0.5
Showroom Location: Pakistan, India
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: New Product 2571
Warranty of core components: 3 months
Core Components: Bearing
Structure: Flexible
Material: Steel, STEEL
Coatings: steel
Color: Black silver copper
After Warranty Service: Online support
Local Service Location: India
Package: 50/100m per rolled Wooden Box
Product name: Drive Shaft
Shaft Diameter: 2-28mm
Certificate: IATF16949:2016
Quality: High-Quality
MOQ: 1000M
Packaging Details: rolls or cartons
Port: HangZhou

Specification

item	value
Condition	New
Warranty	3 months
Applicable Industries	Manufacturing Plant, Machinery Repair Shops, Construction works , Energy & Mining
Weight (KG)	0.5
Showroom Location	Pakistan, India
Video outgoing-inspection	Provided
Machinery Test Report	Provided
Marketing Type	New Product 2571
Warranty of core components	3 months
Core Components	Bearing
Structure	Flexible
Material	Steel
Coatings	steel
Place of Origin	China
	ZHangZhoug
Brand Name	Di Ping and Zhang Fa
Material	STEEL
Color	Black silver copper
After Warranty Service	Online support
Local Service Location	India
Package	Wooden Box
Product name	Drive Shaft
Shaft Diameter	2-28mm
Certificate	IATF16949:2016
Quality	High-Quality
MOQ	1000M

Packing & Delivery rolls or cartons Company Profile We have 2 factories . HangZhou Xihu (West Lake) Dis. Zhangfa Special Car Soft Stalk Soft Tube Factory and HangZhou Xihu (West Lake) Dis. Diping Car Soft Stalk Soft Tube Factory . Our factory is specialized in the production of various soft axes, tubes and matching steel wires for automobiles. Our factory possesses 6 production lines for steel wires, soft axes, soft tubes, leads and screws. Our factory is divided into 2 sections. Section 1 is a major part, namely, Zhangfa Special Automobile Soft Axis and Tube Factory. Section 2 is Zhangfa Application Research Institute. Our factory covers an area of 15,000 square meters, with a building area of 10,000 square meters. We have permanent assets of RMB50, 000,000, and employ 200 staff, including 20 technicians. Through over 10 years’ efforts, our company is becoming larger now. The annual production of soft axes, tubes and steel wires has reached 3000 tons. What’s more, Zhangfa Application Research Institute can develop various soft axes and tubes for the clients. Our factory has invested a lot in various examining equipment to ensure product quality. Now we can conduct the examination on the dynamic capability and material physical data of steel wire and soft axes. First-class product quality is our persistent pursuing goal. We have gained quite a lot of honors. We were ranked as an excellent accessory enterprise by HangZhou HangZhou Meter and Drawing Chain Co., Ltd. in 1997. We were awarded with “Excellent Quality Award” by ZheJiang Tailifu Automobile Accessory Co., Ltd. in 2000. We have also passed “AAA” enterprise credit certification for several times by HangZhou Assets Evaluation Committee and HangZhou Zhongjian Consulting and Accounting Co., Ltd. since 1993. We are also a member of ACFIC (All-China Federation of Industry Commerce) and a member of HangZhou Xihu (West Lake) Dis. District Tax Association. We will try our best to bring a more promising future.”Credit first, Customer Upmost” is our tenet. We sincerely welcome clients to visit our factory. FAQ 1. who are we?We are based in ZHangZhoug, China, start from 2006,sell to Mid East(20.00%),Southeast Asia(20.00%),Eastern Europe(10.00%),North America(10.00%),Southern Europe(5.00%),Northern Europe(5.00%),Central America(5.00%),Western Europe(5.00%),Eastern Asia(5.00%). There are total about 201-300 people in our office.2. how can we guarantee quality?Always a pre-production sample before mass production;Always final Inspection before shipment;3.what can you buy from us?Flexible Shaft,outer casing,cable,brake cable,nails4. why should you buy from us not from other suppliers?The factory of which the fixed asset is 80 million,has covered an area of 20000 square meters with the floor space of 15000 square meters.There are 200 employees and over 20 of them are technicians.5. what services can we provide?Accepted Delivery Terms: FOB,CIF；Accepted Payment Currency:USD,EUR,CNY;Accepted Payment Type: T/T,Cash;Language Spoken:English,Chinese,Korean

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