China factory Stainless Steel Set Screw Shaft Collar with Competitive Price shaft bolt broken

Product Description

Product Description

SET SCREW

Set screw shaft collars are the most effective when used on a shaft made of a material which is softer than the set screw. our set screw collars are finished exclusively with forged socket set screws for greater torque capacity and improved

1.materials:stainless steel,alloy steel ,aluminum ,brass etc. 
2.
Finish: Zinc plating, Nickel plating,nature
3.competitive price ,prompt delivery 
4.OEM service as your drawings
Technics
1.Milling 2.grinding 3.Turning 4.wire-cutting 5.CNC bending 6.CNC machining 7.Stamping 8.forging 9.boring 10.broaching and so on .
Accuracy
1.Milling:0.01mm 2.Turning:0.01mm 3.Grinding:0.002mm 4.Wire-cutting :0.005mm 5.CNC Machining : 0.005mm

Company Profile

RunCheng Import and Export Co., Ltd is the leading professional OEM/ODM manufactory of auto parts, hardware, graphite products, sanitary ware and mechanical items. Product ranges include CNC machining parts, casting parts, stamping parts, forged parts, turning parts, pipe fitting, rubber parts, plastic parts and many more.

We ensure the highest quality by using only the highest quality raw materials and by subjecting all our products to a rigorous Quality Control System. The quality control of our large-scale production process conforms to ISO9001 standards.

We have won the trust of our clients with our top quality products and outstanding service.

Our business is built on the following 4 advantages, namely Full range of products, Top quality, Outstanding service and Reasonable price!

Contact us at once and let′ S do mutually beneficial business together!


Production ability
  

EQUIPMENT LIST

NAME

 

SPECIFICATION 

BRAND           

ORIGINAL PLACE 

QUANTITY

CNC Machines

Graph 600

KNUTH

CHINA

20

1370

KAFO

TAPAN

20

EDM Machines

ZNC450

BHangZhouNA

ZheJiang

20

ZNC430

BHangZhouNA

ZheJiang

30

Grinding Machines

ACC-350ST

BESFORD

CHINA

50

Auto Lathe Machining  

L150G-II

OKUMA

CHINA

80

Wire Cutting Machines  

DK7732

NEW FAST

CHNA

30

Milling Machine

SHCM-97A

GENTIGER

ZheJiang

20

CMM Machine          

CRT-PA574

MITUTYO

JAPAN

10

Hardness Tester

TILO-T60

MITUTYO

JAPAN

5

Productions showing:
Equipments & Working plant:
Worry about our quality problem?

We are an IATF16949:2016 Certifed supplier, strictly execute inspection on ISO quality control system. All our products will pass 10-step inspections: it starts from incoming material inspection to IPQC,  then FQC and final inspection with reports before shipment.

Packaging & Shipping

Generally carton or wooden case or plastic foam with standard export wooden pallet , or as per consumer’s requirements.
Certifications:

 

Your Satisfaction, Our Motivation!

FAQ

 

Q1. Are you factory or trading company?    

 A: We are a customized factory with independent oversea trading office .

 

Q2.Can you provide sample for us?     

 A: Yes, free sample is available

 

Q3. What raw material do you use?   

 A: Stainless Steel, Carbon Steel, Mild Steel, Galvanized Steel, Aluminum alloy, brass, copper, Aluminum etc.

 

Q4. What finishes can you provide?

 A: powder coating, polishing, zinc/nickel /chrome plating, painting, anodized, hot dip galvanized, sandblasted etc.

 

Q5. How do you ensure quality control? 

 A: We inspect every process based on your drawings or samples and also check the products before packing

 

Q6. Is small quantity available?

 A: Yes, Small quantity for trial order is available. 

  

Q7. How do you ship the goods?

A: We have our cooperation forwarder, they can deliver the goods to you in very short time with competitive price, and you can ship by your own agent as your convenience.

 

Q8. How about your delivery time ?  

 A: 3-10 days for samples and 15-45 days for mass production .

 

Q: How To Place A Order?

  * You send us drawing or sample

  * We make the sample and send it to you

  * You think the sample is good then place an order and pay us 30% deposit

  * We start to make the product

  * When the goods is done, we take photoes for your check and you then pay the balance

  * We deliver the products to courier company

Application: Auto and Motorcycle Accessory, Machinery Accessory
Standard: GB, EN, JIS Code, TEMA, ASME
Surface Treatment: Anodizing
Production Type: Mass Production
Machining Method: CNC Turning
Material: Nylon, Steel, Plastic, Alloy, Aluminum
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

screwshaft

Screw Sizes and Their Uses

Screws 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 shaft

The 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 thread of a screw is usually characterized by its pitch and angle of engagement. The pitch is the angle formed by the helix of a thread, while the crest forms the surface of the thread corresponding to the major diameter of the screw. The pitch angle is the angle between the gear axis and the pitch surface. Screws without self-locking threads have multiple starts, or helical threads.
The pitch is a crucial component of a screw’s threading system. Pitch is the distance from a given thread point to the corresponding point of the next thread on the same shaft. The pitch line is one element of pitch diameter. The pitch line, or lead, is a crucial dimension for the thread of a screw, as it controls the amount of thread that will advance during a single turn.

The pitch diameter of a screw shaft

When 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 pitch diameter of a screw shaft is measured as the distance between the crest and the root of the thread. Threads that are too long or too short will not fit together in an assembly. To measure pitch, use a measuring tool with a metric scale. If the pitch is too small, it will cause the screw to loosen or get stuck. Increasing the pitch will prevent this problem. As a result, screw diameter is critical.
The pitch diameter of a screw shaft is measured from the crest of one thread to the corresponding point on the next thread. Measurement is made from one thread to another, which is then measured using the pitch. Alternatively, the pitch diameter can be approximated by averaging the major and minor diameters. In most cases, the pitch diameter of a screw shaft is equal to the difference between the two.

The thread depth of a screw shaft

Often 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.
In screw manufacturing, the thread depth is measured from the crest of the screw to the root. The pitch diameter is halfway between the major and minor diameters. The lead diameter represents the amount of linear distance traveled in one revolution. As the lead increases, the load capacity decreases. This measurement is primarily used in the construction of screws. However, it should not be used for precision machines. The thread depth of a screw shaft is essential for achieving accurate screw installation.
To measure the thread depth of a screw shaft, the manufacturer must first determine how much material the thread is exposed to. If the thread is exposed to side loads, it can cause the nut to wedge. Because the nut will be side loaded, its thread flanks will contact the nut. The less clearance between the nut and the screw, the lower the clearance between the nut and the screw. However, if the thread is centralized, there is no risk of the nut wedgeing.
screwshaft

The lead of a screw shaft

Pitch 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.
There are two ways to calculate the pitch and lead of a screw. For single-start screws, the lead and pitch are equal. Multiple-start screws, on the other hand, have multiple starts. The pitch of a multiple-start screw is the same as its lead, but with two or more threads running the length of the screw shaft. A square-thread screw is a better choice in applications requiring high load-bearing capacity and minimal friction losses.
The PV curve defines the safe operating limits of lead screw assemblies. It describes the inverse relationship between contact surface pressure and sliding velocity. As the load increases, the lead screw assembly must slow down in order to prevent irreversible damage from frictional heat. Furthermore, a lead screw assembly with a polymer nut must reduce rpm as the load increases. The more speed, the lower the load capacity. But, the PV factor must be below the maximum allowed value of the material used to make the screw shaft.

The thread angle of a screw shaft

The 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.
Screws with different angles have various degrees of thread. Originally, this was a problem because of the inconsistency in the threading. However, Sellers’s thread was easier to manufacture and was soon adopted as a standard throughout the United States. The United States government began to adopt this thread standard in the mid-1800s, and several influential corporations in the railroad industry endorsed it. The resulting standard is called the United States Standard thread, and it became part of the ASA’s Vol. 1 publication.
There are two types of screw threads: coarse and fine. The latter is easier to tighten and achieves tension at lower torques. On the other hand, the coarse thread is deeper than the fine one, making it easier to apply torque to the screw. The thread angle of a screw shaft will vary from bolt to bolt, but they will both fit in the same screw. This makes it easier to select the correct screw.
screwshaft

The tapped hole (or nut) into which the screw fits

A 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.
Screws and bolts have different thread pitches. A coarse thread has fewer threads per inch and a longer distance between threads. It is therefore larger in diameter and longer than the material it is screwed into. A coarse thread is often designated with an “A” or “B” letter. The latter is generally used in smaller-scale metalworking applications. The class of threading is called a “threaded hole” and is designated by a letter.
A tapped hole is often a complication. There is a wide range of variations between the sizes of threaded holes and nut threads, so the tapped hole is a critical dimension in many applications. However, even if you choose a threaded screw that meets the requisite tolerance, there may be a mismatch in the thread pitch. This can prevent the screw from freely rotating.

China factory Stainless Steel Set Screw Shaft Collar with Competitive Price   shaft bolt brokenChina factory Stainless Steel Set Screw Shaft Collar with Competitive Price   shaft bolt broken
editor by CX 2023-09-08

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