Strict examining system of YUAN SINE SPRING stainless extension spring will be carried out throughout the production process. The final piece of the product has to go through a complete set of inspection in terms of stamping, cutting, and polishing quality. 2.
The product has a shiny appearance. It has been polished to reduce the surface roughness while obtaining flatness. 3.
The product features remarkable conductivity. The metal materials used are excellent conductors of electricity, cold and heat and are ductile. 4.
This product has advantages of easy use, installation, and volume of storage and transportation, taking the hassle out of any problems. 5.
The product is widely used in hotels and offices, which provide a wide range of possibilities for more efficient use of available space.
Tension spring is a helical spring subjected to axial tension. There are different kinds of hooks. English hook, German hook, long hook, semicircle hook, duck bead hook and so on. The “hook” is used to guarantee the source of tension of stretching spring. The gap for the ring and the ring must be tight and exact. These points must be identified. It is used to control the movement of machine parts , store energy, measure the size of the force and so on. Some of tension spring are made for precondition for safety. That’s what we value and strict on quality control. We must give more consideration to service this.
|Stainless steel||stainless steel|
|Wire diameter||0.3 mm|
|Outside of diameter||4.4 mm|
|Inside of diameter||4.4 mm|
|Mean coil diameter||4.4 mm|
|Active coil number||55|
|Total number of coils(Nt)||55|
|Free length(F.L.)||25 mm|
|Right hand screw||ok|
|Closed and ground ||ok|
|High-temperature heat treatment||ok|
2-ways tension spring for communcation router
YUAN SINE SPRING ENTERPRISE CO., LTD is leading the small tension springs market. 2.
Our technology takes the lead in the industry of heavy duty extension springs . 3.
The company always do marketing based on ethical standards. The company will not try to manipulate or falsely advertise to its customers or potential consumers. Inquire! The main current objective of our company is to increase customer satisfaction. We are cultivating a professional team to provide quality products and service for clients. We believe that higher customer satisfaction brings higher profits. Inquire!