China Standard ISO9001 Factory Customized Rubber Parts for Automotive with high quality

Product Description

Anti vibration shock buffer/mount/ damper is mainly used in air compressor, diesel oil, gasoline engine and other power machinery as damping element to make the body the normal work and obtain excellent working environment.
Made from the bonding of rubber to metal are used in various areas of the medical, commercial and industrial fields. Many of the products are used for the isolation of vibration and noise in manufacturing applications, including automotive and engineering applications. Larger sized pieces are used to decouple translational movement for bridges and buildings..
Product Description

Item name Rubber metal buffer/mount/damper
Material of rubber part NR,EPDM,Silicone,etc
Material of metal part steel, stainless steel, brass or as your requirement
Color Black, gray,or as your requirement
Hardness NR 30~90ShA,Silicone 10~90ShA
Dimension As your drawing
Process molding valcaniztion
The surface of metal  white, yellow zinc plated or as your requirement
Tolerance +-0.05mm
MOQ Available
Performance Anti-Ozone, chemical and UV,excellent flexibility and durable
Environment friendly, anti-aging, high/low temperature resistant
Application range Electronic industry, industrial machine & equipment, house-hold appliance, telecommunication, automobile, medical equipment field, etc
Certification ISO9001: 2008 Passed ROHS,MSDS,FDA ,CTI,REACH,etc
OEM Welcome

The property of our anti vibration rubber mount /buffer/damper
1.High elasticity and excellent viscosity
2. Compared with steel materials, the elastic deformation of rubber is very large and the elastic modulus is very small
3. Super shockproof structure design,The tensile strength ≥14Mpa, tearing strength≥45N/mm,tension strength 400%, Rubber hardness tolerance+_3
4. Wide high/low temperature range resistant
5. Anti-Ozone,Resistant aging,weather and water,UV
6. Excellent Vibration reduction, vibration isolation, noise reduction
7. Much Stronger oil resistance and corrosion resistance
 

The advantage of our anti vibration rubber mounts/buffer/damper

  1. Resistance to aging, heat, tension and abrasion resistance
  2. Import production equipment, excellent production technology
  3. Strict manufacturing quality inspection
  4. Environmental protection, non-toxic; Comply with EU ROHS specification

The production process of our anti vibration rubber mounts/buffer/damper

The advantage of our company
1.We have excellent complete production line with advanced production and test equipment
 Adding First-class technicians, so that we can  offer you the competitive price and high quality ,fast delivery time .
2.We have a special drawing design department to design the correct drawing data meeting your requirements. Then, we will use CAD or other format drawing to carry on tracking the production of tooling, sample ,mass goods. To avoid something wrong to each process. To make sure all of dimension are correct.
3.We also has special production supervision department. The engineer staff will Supervise  each process from the manufacture of tooling to the production of mass goods.
Reduce something wrong happened, finally offer you parts meeting your technology requirement.
4. All of Raw material are past quality certification,In the meantime, we will first delivery test report of rubber part when all of mass goods are finished. And make sure the quality meet your requirement, then make shipment.

  • Packing and shipment
  • Four buffer is packaged with 1 plastic bag, then certain quantity of mounting are put into carton box.
  • Carton box insider rubber mounting is with packing list detail. Such as, item name, the type number of rubber mounting, quantity of rubber mounting, gross weight,net weight, dimension of carton box,etc
  • All of carton box will be put on 1 non-fumigation pallet, then all carton boxes will be wrapped by film.
  • .We have our own forwarder which has Rich experience in delivery arrangement to optimize the most economic and quickest shipping way, SEA,  AIR,  DHL, UPS ,FEDEX, TNT , etc.

About us
These years, We are working on various project of customers and long term working in rubber industry. We have faith in giving your professional advice on your particular project.
At present, our market have been expanded to more than 30 countries, and still growing.
First we will get drawing or sample from our client to check their design. If there is no drawing or sample, we will ask some question about product concept and design idea.
Then according to what application environment of rubber part, we will help design drawing and what raw material is best for rubber part. OEM parts are ok for us.
 
We can meet your requirement of the design and use for different shapes and material,
 And high/low temperature, foam/sponge or solid rubber profile, fire resistance and special property of any rubber profile and molding rubber part

The certification of our company

Why choose us?
1.Product: we specialize in rubber molding,injection and extruded rubber profile.
   And complete advanced production equipment and test equipment
2.High quality:100% of the national standard has been no product quality complaints
the materials are environmentally friendly and the technology reaches the international advanced level
3.The competitive price:we have own factory, and the price is directly from factory. In additional,perfect advanced production equipment and enough staff. So the price is the best.
4.Quantity :Small quantity is available
5.Tooling:Developing tooling according to drawing or sample, and solve all of questions
6.Package: all of package meet standard internal export package, carton outside, inside plastic bag for each part; as your requirement
7.Transport:We have our own freight forwarder which can guarantee our goods can be delivered safely and promptly by sea or air
8.Stock and delivery:Standard specification,lots of stocks, and fast delivery
10. Service:Excellent service after-sales
 
Common Questions

  1. What is the minimum order quantity for your rubber products?

Answer:We didn’t set the minimum order quantity,1~10pcs some client has ordered.

  1. If we can get sample of rubber product from you?

 Answer:Of course, you can. Feel free to contact me about it if you need it.

  1. Do we need to charge for customizing our own products? And if it is necessary to make tooling?

Answer: if we have the same or similar rubber part, at the same time, you satisfy it.
 Well, you don’t need to open tooling
New rubber part, you will charge tooling according to the cost of tooling.
In additional,if the cost of tooling is more than 1000 USD, we will return all of them to you in the future when purchasing order quantity reach certain quantity our company rule

  1. How long you will get sample of rubber part?

Answer: Usually it is up to complexity degree of rubber part. Usually it take 7 to 10work days.

  1. How many your company product rubber parts?

 Answer:It is up to the size of tooling and the quantity of cavity of tooling. If rubber part is more complicate and much bigger, well maybe just make few, but if rubber part is small and simple, the quantity is more than 200,000pcs.

  1. Silicone part meet environment standard?

Answer:Our silicone part are all high grade 100% pure silicone material. We can offer you certification ROHS and SGS, FDA .Many of our products are exported to European and American countries. Such as: Straw, rubber diaphragm, food mechanical rubber, etc.
 
 FAQ
1. Are you factory or trade company?
We  specialize in manufacturing rubber and plastic manufacturer, founded in 2004
2. What’s the order process?
A: Inquiry—provide us all clear requirements, such as drawing with detail technical data, or original sample
B: Quotation—official quotation sheet with all detail specifications including price terms,shipment terms,etc
C: Payment terms—100% prepaid the cost of tooling before making new sample
                T/T 30% in advanced, and the balance according to the copy of the B/L
D:Develop tooling—open the CZPT according to your requirement
E:Sample confirmation—send you the sample for confirmation with test report from us
F:Production—mass goods for order production
G:Shipping— by sea, air or courier. Detailed picture of package will show you.
 
3. What other terms of payment you use?
   PayPal, Western Union

 

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.
screwshaft

Coefficient of friction between the mating surfaces of a nut and a screw shaft

There are 2 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.
The 2 types of friction coefficients are related to the applied force. When applying force, the applied force must equal the nut’s pitch diameter. When the screw shaft is tightened, the force may be removed. In the case of a loosening clamp, the applied force is smaller than the bolt’s pitch diameter. Therefore, the higher the property class of the bolt, the lower the coefficient of friction.
In most cases, the screwface coefficient of friction is lower than the nut face. This is because of zinc plating on the joint surface. Moreover, power screws are commonly used in the aerospace industry. Whether or not they are power screws, they are typically made of carbon steel, alloy steel, or stainless steel. They are often used in conjunction with bronze or plastic nuts, which are preferred in higher-duty applications. These screws often require no holding brakes and are extremely easy to use in many applications.
The coefficient of friction between the mating surfaces of t-screws is highly dependent on the material of the screw and the nut. For example, screws with internal lubricated plastic nuts use bearing-grade bronze nuts. These nuts are usually used on carbon steel screws, but can be used with stainless steel screws. In addition to this, they are easy to clean.

Helix angle

In most applications, the helix angle of a screw shaft is an important factor for torque calculation. There are 2 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.
A screw’s helix angle is the angle formed by the helix and the axial line. Although the helix angle is not usually changed, it can have a significant effect on the processing of the screw and the amount of material conveyed. These changes are more common in 2 stage and special mixing screws, and metering screws. These measurements are crucial for determining the helix angle. In most cases, the lead angle is the correct angle when the screw shaft has the right helix angle.
High helix screws have large leads, sometimes up to 6 times the screw diameter. These screws reduce the screw diameter, mass, and inertia, allowing for higher speed and precision. High helix screws are also low-rotation, so they minimize vibrations and audible noises. But the right helix angle is important in any application. You must carefully choose the right type of screw for the job at hand.
If you choose a screw gear that has a helix angle other than parallel, you should select a thrust bearing with a correspondingly large center distance. In the case of a screw gear, a 45-degree helix angle is most common. A helix angle greater than zero degrees is also acceptable. Mixing up helix angles is beneficial because it allows for a variety of center distances and unique applications.
screwshaft

Thread angle

The 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.
Generally speaking, the major diameter of a screw’s threads is the outside diameter. The major diameter of a nut is not directly measured, but can be determined with go/no-go gauges. It is necessary to understand the major and minor diameters in relation to each other in order to determine a screw’s thread angle. Once this is known, the next step is to determine how much of a pitch is necessary to ensure a screw’s proper function.
Helix angle and thread angle are 2 different types of angles that affect screw efficiency. For a lead screw, the helix angle is the angle between the helix of the thread and the line perpendicular to the axis of rotation. A lead screw has a greater helix angle than a helical one, but has higher frictional losses. A high-quality lead screw requires a higher torque to rotate. Thread angle and lead angle are complementary angles, but each screw has its own specific advantages.
Screw pitch and TPI have little to do with tolerances, craftsmanship, quality, or cost, but rather the size of a screw’s thread relative to its diameter. Compared to a standard screw, the fine and coarse threads are easier to tighten. The coarser thread is deeper, which results in lower torques. If a screw fails because of torsional shear, it is likely to be a result of a small minor diameter.

Material

Screws 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 1 is designed to perform a specific function. If you have questions about a specific type, contact your local machine shop.
Lead screws are cheaper than ball screws and are used in light-duty, intermittent applications. Lead screws, however, have poor efficiency and are not recommended for continuous power transmission. But, they are effective in vertical applications and are more compact. Lead screws are typically used as a kinematic pair with a ball screw. Some types of lead screws also have self-locking properties. Because they have a low coefficient of friction, they have a compact design and very few parts.
Screws are made of a variety of metals and alloys. Steel is an economical and durable material, but there are also alloy steel and stainless steel types. Bronze nuts are the most common and are often used in higher-duty applications. Plastic nuts provide low-friction, which helps reduce the drive torques. Stainless steel screws are also used in high-performance applications, and may be made of titanium. The materials used to create screw shafts vary, but they all have their specific functions.
Screws are used in a wide range of applications, from industrial and consumer products to transportation equipment. They are used in many different industries, and the materials they’re made of can determine their life. The life of a screw depends on the load that it bears, the design of its internal structure, lubrication, and machining processes. When choosing screw assemblies, look for a screw made from the highest quality steels possible. Usually, the materials are very clean, so they’re a great choice for a screw. However, the presence of imperfections may cause a normal fatigue failure.
screwshaft

Self-locking features

Screws 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 2 materials.
One of the most common uses of screws is in a screw top container lid, corkscrew, threaded pipe joint, vise, C-clamp, and screw jack. Other applications of screw shafts include transferring power, but these are often intermittent and low-power operations. Screws are also used to move material in Archimedes’ screw, auger earth drill, screw conveyor, and micrometer.
A common self-locking feature for a screw is the presence of a lead screw. A screw with a low PV value is safe to operate, but a screw with high PV will need a lower rotation speed. Another example is a self-locking screw that does not require lubrication. The PV value is also dependent on the material of the screw’s construction, as well as its lubrication conditions. Finally, a screw’s end fixity – the way the screw is supported – affects the performance and efficiency of a screw.
Lead screws are less expensive and easier to manufacture. They are a good choice for light-weight and intermittent applications. These screws also have self-locking capabilities. They can be self-tightened and require less torque for driving than other types. The advantage of lead screws is their small size and minimal number of parts. They are highly efficient in vertical and intermittent applications. They are not as accurate as lead screws and often have backlash, which is caused by insufficient threads.

China Standard ISO9001 Factory Customized Rubber Parts for Automotive     with high qualityChina Standard ISO9001 Factory Customized Rubber Parts for Automotive     with high quality