Spring is a kind of mechanical parts use flexibility to work.
Made of elastic material parts deformation in 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, mainly has spiral spring, vortex coil spring, leaf spring, shaped spring, etc.
Seals is to prevent liquid or solid particles from leakage between adjacent joint surface, and prevent the impurities such as dust and moisture into the inside of the machine equipment material components or parts.
1) hot forming process.
In our country (9 ~ 25) mm specifications forming only CNC2 shaft hot spring coiling machine, maximum speed of 17 pieces per minute. With the prosperous country compared with gap is larger.
2) the big spring hot forming process control ability. Because only CNC2 shaft hot spring coiling machine, and therefore less shape control three directions, accuracy is poor; And no automatic bar stock rotation control and adjustment, so hot coil spring forming technology level and can be lower. So the degree of precision spring and appearance and a low degree of oxidation decarburization.
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