混凝土攪拌車滑動軸承損壞的原因

 來源:http://www.imagefactorybelize.com 日期:2022-11-02 發布人:jufeng
混凝土攪拌車滑動軸承損壞怎么辦?實際上該攪拌車滑動軸承的早期損壞比軸承燒壞更常見,因此防止滑動軸承的早期損壞非常重要。
What to do if the sliding bearing of the concrete mixer is damaged? In fact, the early damage of the sliding bearing of the mixer is more common than the bearing burning, so it is very important to prevent the early damage of the sliding bearing.
在氣缸壓力沖擊載荷的反復作用下,滑動軸承表層發生塑性變形和冷加工硬化,部分喪失變形能力,逐漸形成條紋并膨脹,然后隨著磨屑的脫落,在受力表層形成空洞。
Under the repeated action of the cylinder pressure impact load, the surface of the sliding bearing undergoes plastic deformation and cold work hardening, partially losing the deformation ability, gradually forming stripes and expanding, and then with the falling off of the wear debris, a cavity is formed on the stressed surface.

一般情況下,軸瓦發生點蝕時,點蝕首先出現,然后點蝕逐漸擴大,導致合金層的界面開裂。裂紋沿界面平行方向擴展,直至剝離。
In general, when pitting occurs on the bearing bush, the pitting first occurs, and then gradually expands, leading to the interface cracking of the alloy layer. The crack propagates parallel to the interface until peeling.
滑動軸承空蝕的主要原因是油槽、油孔等結構元件截面的突變導致油流的強烈無序,在無序的真空區形成氣泡,然后由于壓力升高導致氣泡坍塌而發生空蝕。
The main reason for cavitation of sliding bearing is that the sudden change of the cross section of structural elements such as oil groove and oil hole leads to the strong disorder of oil flow, forming bubbles in the disordered vacuum area, and then cavitation occurs due to the collapse of bubbles due to the pressure rise.
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