Spring is a kind of mechanical parts use flexibility to work.
Made of elastic material parts in deformation under the action of external force, after the removal of the external force is restorable.
Also as a 'spring'.
Usually made from spring steel.
The sort of spring is complex, the shape points, the key is
compression springs, tension springs,
torsion springs, special-shaped spring, etc.
Especially in Shanghai, zhejiang, jiangsu, guangdong, shandong and other areas to develop rapidly and other areas also have different levels of development, in general it is better than other industries some.
Then how about the spring factory is the production of spring.
there are two methods: spring production key
1, cold forming, cold forming process of disposable to automation.
Cold forming machine has been carried out to 12 feet.
In the (
0.
3 ~ 14)
Mm within the scope of the steel wire, in eight claw shape function forming at a time.
Forming process equipment development direction:
(
1)
Progressive forming speed, the progress is the key to carry out orientation device forming speed, namely consumption efficiency.
（
2)
Accurate after improvement of equipment parts and strengthening heat treatment effect to advance equipment durability.
（
3)
Increase the length of the sensor and a laser range finder to CNC machine stop automatic closed-loop control manufacturing process.
2, hot forming, hot forming process to speed.
In our country (
9 ~ 25)
The forming on mm only CNC2 shaft hot spring coiling machine, speed of 17 pieces per minute.
With the prosperous country compared with gap is larger.
Big spring hot forming process control ability.
Because only CNC2 shaft hot spring coiling machine, therefore form control three directions, less accuracy;
And there is no automatic bar stock rotation control and adjusting mechanism, thus degree of hot coil spring forming technology and talent is low.
Thus the degree of precision spring and appearance and a low degree of oxidation decarburization.
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