YUAN SINE SPRING stainless extension spring has been tested by the third-party organization. It has passed through an electrical test, high current bond test, insulation test, leakage current test, and load test. Its surface undergoes professional cold and hot treatment2.
This product is very popular among customers and is considered to be widely used in the future. Its shape can be specially designed according to the needs of customers3.
This small tension springs is an outstanding example as its high performance of stainless extension spring . Treated with special technology, its surface is sleek and burr-free4.
It is desirable for small tension springs to possess such features as stainless extension spring . The product has the advantages of great strength and elasticity
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
With its comprehensive strengths including stainless extension spring and helical extension spring , YUAN SINE SPRING finally has its position in this small tension springs field.2.
YUAN SINE SPRING ENTERPRISE CO., LTD's technology capability is in line with advanced level.3.
Pursuing a friendly and harmonious business environment is what we are pursuing. We strive to use marketing techniques that are fair and honest and avoid any advertisement that misleads the customers.