Chuanli Technology
News
11
2024
-
01
Ten aspects need to be paid attention to when using spring
Author:
(1) Using more than a large amount of compression and long-term use of the connector, the pressure will cause the spring to be damaged, and long-term use will gradually deform the spring wire. In this case, the spring cannot be used more than 300000 times.
(2) The use of non-pre-compression springs, due to the gap between the two ends of the spring, the spring vibrates up and down and twists. If there is a preload, the spring is relatively stable.
(3) Springs, guide pins and springs used horizontally produce wear.
(4) When using a spring-free guide rail when using a spring guide rail, it is easy to cause deformation of the spring. Local high pressure in the twisted part is the cause of spring fracture, please use inner diameter guide pin or outer diameter guide and other devices.
(5) When the parallelism of the spring mounting surface is poor, the spring will be twisted, and high-pressure fracture will occur locally. When the parallelism is poor, the spring will be twisted and deformed, and 300000 times of use will cause rupture. Please improve the parallelism of the mounting surface under no more than 300000 conditions of use.
(6) When the inner diameter of the spring and the gap between the guide pin and the guide pin are too small, it will cause impact wear of the inner diameter. On the contrary, if the gap is too large, the spring will twist and break. The best is the inner diameter of the spring. -1.0mm or. For springs with long free length (free length/outer diameter greater than 4), use a segmentation step or guide pin to avoid collision with the guide pin when the spring body is twisted.
(7) If the gap between the counterbore and the spring is too small, the outer diameter of the spring and the countersink will cause concentrated fracture force due to the expansion of the outer side and the friction of the countersink. A suitable countersink diameter is the outer diameter of the spring 1.5mm. Countersunk holes are mostly used for longer springs.
(8) When the guide pin length and countersink depth are short, the guide pin is too short, causing the guide needle and spring to wear. The ideal length of the guide pin is set to 1/2 or more of the spring length, and please reverse C3. Chamfer.
（9）当使用弹簧时，弹簧受到外力扭曲，使内圈弹簧插入外圈（或外圈插入内圈）会导致破损。
(10) Debris, when there is foreign matter in the machine, it has no effect on the fixed element, but it has a very large effect on the spring, which can easily cause the spring to break.
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