Tag Archives: screw wire

China best Special Precision Brass C36000 CNC Lathe Screw Cap for Wire Management (F-172) near me supplier

Product Description

Special precision brass C36000 cnc lathe screw cap for wire management (F-172)

Application: Machinery, Appliance, Optoelectronic, Digital electronics, Medical packaging instrument, Automobile, Motorcycle, Bicycle, Aerospace,etc.

Machining Capabilities,Products Materials,Surface Finish :

Machining Capability: 

  • Swiss Turning
  • CNC Turning & Chucking
  • CNC Lathing
  • CNC Milling
  • Honing
  • Grinding
  • Secondary Machining
  • Brazing
  • Soldering
  • Magnafluxing
  • Bending
  • Slotting
  • Knurling
  • Threading
  • Crimping
  • Assembly
  • Heat Treating
  • Plating
  • Zone Annealing
  • Wire EDM cutting

Products Processing Size:

Maximum Processing Diameter: 150mm
Maximum Processing Length:300mm
Maximum Processing Depth:120mm
Surface roughness: Ra 0.3um
Processing Tolorance:0.007mm
Applied Software:Pro/E,Auto CAD, Solid Works,IGS,UG,CAD/CAM/CAE
Packing material we use(According to customer’s request):Eco-friendly PP bag, EPE foam, carton box, wooden box, paper, blister film, bubble film,plastic web,Anti-Corrosion Bags,etc
Trial Sample Delivery Time:7-14days
Mass Batch Production Delivery Time: 30days, negotiable according to the order quantity

We do the parts according to customer’s drawing in 2D (PDF format) and 3D  or CAD stating order quantity, material request, material hardness request,surface roughness request, surface finish request. ODM & OEM parts are welcome!

Materials We Use:

  • Stainless Steel:

AISI 303, 304, 316, 316L, 430F, 440C, 630

  • Aluminum:

ASTM 380, 2017, 2011, 2571, 5051, 5052, 5056, 6013, 6061, 6063, 6082, 7075, ADC10 (AISi8Cu3) , Extruded/Extrusion Aluminum is available           

  • Carbon and Alloy Steel:                               

AISI 1008, 1571, 1015, 1571, 1030, 1045, 1060, 12L14, 1144, 1215, 4140, 4340, SCM440

  • Brass:

CA260, C36000, C3601, C3602, C3603, C3604, C37700, C3771,Hpb59-1,H62,C27200(CuZn37),Etc.

  • Plastic:

POM, NYLON, NORYL, Acetal, Delrin, Polycarbonate, PEEK, Acrylic, ABS,Bakelite

  • Special Material:

Titanium 6AL-4V, Carpenter Invar 36, Remko B, Nickel Silver C79200, ASM 4640 (Aluminum Bronze), Hastelloy C276 Nickel Alloy   

Finish We Do:

* Nickel Plating / Electroless Nickel Plated / Zinc Plated / Hard Chrome Plating
* Anodizing / Hard Anodized
* Black Oxide
* Passivation
* Sand Blasting 
* Laser Marking
* Powder Coating
* Chem Film
* Vacuum Deposited Aluminum (Mirror Finish) / #4 Brushed Finish /  #8 Mirror Finish

QUALITY CONTROL:

We control our products quality by different test instrument and machines. All products should be done inspection according to customer’s request before packing.

PACKING & SHIPPING:

We pack our products according to customer’s request by different materials. We will ship our products by courier, by air or by sea.

FAQ:

Q: Are you a trading company or a manufacture?
A: We are a factory.

Q: Will you supply samples?How long is your sample and production lead time?
A: For samples, we could offer free sample.generally 1-2 weeks, it depends on your parts type. For mass batch production , 2-4 weeks normally, negotiable according to order quantity. 

Q: What ways can i know how my products is going on without visiting your company?
A: We will offer a detailed production schedule and send you weekly report to showing where we are.

Q: How you manage the quality?
A: We are an ISO certificated machining supplier, an effective in-process quality control flow chart was available in production as showed above. If you need more information, just feel free to contact with

Q:how do you give me the price?
A:we can quote price according to your drawning design,material,finish and give you the best price.

Q:how is your company payment terms?
A: byT/T,L/C,and so on,usually,50% deposit,50% balance before the shipment.

Q:What’s your main export market?
A: Our main export market is European countries (Germany,Finlan,Italy,Spain,Poland, Swizerland,etc) and Amerian countries (U.S.A.,Canada, Brazil).

 

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 best Special Precision Brass C36000 CNC Lathe Screw Cap for Wire Management (F-172) near me supplier China best Special Precision Brass C36000 CNC Lathe Screw Cap for Wire Management (F-172) near me supplier

China high quality High Speed Low Noise Wire Cutting Machine Ball Screw near me supplier

Product Description

Product Description

Ball screw assembly is consisted of ball screw nut and rod. The function is transfer the rotary motion into linear motion or transfer the linear motion into rotary motion.Ball screw is widely used for all kinds of industrial equipments and precision instrument.Since 1964, the company developed the China’s first ball screw, it has on the leading position in China in the research and manufacture of ball screw.
 

Product name Ball screw
Model DKF,DKFZD,JF,JFZD,FF,FFZ,FFB,FFZL
Dia 12, 16, 20, 25, 32, 40, 50, 63, 80mm
Lead 5, 6, 8, 10, 16, 20, 25, 32, 40mm
Accuracy P1,P2,P3,P4,P5,P7,P10
Nut style Single or double
End processing according to customer’s drawing
Delivery time 15days
Feature High speed, low noise

Ball type:ø8 – ø200High transmission rate
Transmission reversibility
long service life,good synchronicity
Max capacity is 376 tons.
Max. single to 10m,joint to 19m
It’s widely used in all kinds of industrial equipments,precision NC machine tool

Detailed Photos

 

Product Parameters

Structure

Scope of application

Machining center,NC Lathe machine Grinding machine,Heavy machine.

DKZ size

Spec. Nominal dia.
d0		 Basic lead
Ph0		 Outer dia.
d1		 Ball dia.
Dw		 Bottom dia.
d2		 Numbei of circles
n		 Basic rated load rating Stiffness
Kc N/μm		 D1(g6) TYPE L1
Dynamic load
Ca kN		 Static load
Coa kN
DKF2510-4 25 10 24 3.969 21.1 4 20.8 52.5 505 45 1
 		 65
DKF3206-5 32 6 31 3.969 28.1 5 29.4 89.2 742 53 58
DKF3210-5 32 10 31 6.35 26.4 5 54.8 141.9 848 62 83
DKF3212-5 32 12 31 6.35 26.4 5 54.6 141.7 832 62 93
DKF4571-5 40 10 39 6.35 34.4 5 61.6 180.3 970 70 2
 		 83
DKF4012-5 40 12 39 6.35 34.4 5 61.5 180.1 985 70 92
DKF4016-5 40 16 39 6.35 34.4 5 61.2 179.5 1001 70 113
DKF4571-5 40 20 39 6.35 34.4 5 61 178.6 1015 70 132
DKF4571-4 40 25 39 6.35 34.4 4 49.4 140 814 70 133
DKF5571-5 50 10 49 6.35 44.4 5 68.5 228.3 1125 82 91
DKF5012-5 50 12 49 6.35 44.4 5 68.4 228..1 1150 82 100
DKF5016-5 50 16 49 6.35 44.4 5 68.2 227.6 1180 82 117
DKF5571-5 50 20 49 6.35 44.4 5 68.1 226.9 1211 82 139
DKF5571-4 50 25 49 6.35 44.4 4 55.3 178.3 980 82 139
DKF5030-4 50 30 49 6.35 44.4 4 54.9 177.4 978 82 159
DKF5040-3 50 40 49 6.35 44.4 3 41.1 128.4 728 82 155
DKF6310-5 63 10 61 6.35 56.4 5 75.5 285.8 1331 95 91
DKF6312-5 63 12 61 6.35 56.4 5 75.4 285.6 1362 95 99
DKF6316-5 63 16 61 6.35 56.4 5 75.3 285.2 1403 95 119
DKF6320-5 63 20 61 6.35 56.4 5 75.1 284.7 1426 95 138
DKF6325-4 63 25 61 6.35 56.4 4 61.1 224.1 1160 95 138
DKF6330-4 63 30 61 6.35 56.4 4 60.8 223.3 1164 95 158
DKF6340-4 63 40 61 6.35 56.4 4 60.1 221.4 1160 95 198

 If you have any needs,pls feel free to contact us and we will send you our catalog for reference.

Main Products

 

Company Profile

Customer Feedback

 

FAQ

1. Why choose AZI China?
With more than 60 years of production experience, quality assurance,factory directly price.

2. What is your main products ? 
Our Main products are consist of ball screw,linear guide,arc linear guide,ball spline and ball screw linear CZPT rail module.

3. How to Custom-made (OEM/ODM)?
If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.

4. When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority.

5. How can I get a sample to check the quality?
We quote according to your drawing, the price is suitable, sign the sample list.

6. What‘s your payment terms?
Our payment terms is 30% deposit,balance against receiving copy of B/L or L/C sight.
 

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 high quality High Speed Low Noise Wire Cutting Machine Ball Screw near me supplier China high quality High Speed Low Noise Wire Cutting Machine Ball Screw near me supplier