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制动器密封圈起防止刹车油外泄漏和杂质进入液压缸的作用,是保证刹车可靠和装载机安全的重要零件。密封圈材料采用橡胶,一方面是橡胶品种日益增多;另一方面刹车油是非石油基,它与一般常用的石油基润滑油,对橡胶品种的要求恰恰相反。在选择橡胶品种时应特别注意。加之,装载机是野外作业,使用环境条件差,故正确合理选择橡胶材料格外重要。
Brake seals prevent the leakage of brake oil and impurities from entering the hydraulic cylinder. They are important parts for ensuring reliable braking and safe loading. The rubber material used for the seal ring is, on the one hand, an increasing variety of rubber; on the other hand, the brake oil is non-petroleum-based, and it is contrary to the commonly used petroleum-based lubricating oils. Special care should be taken when selecting rubber species. In addition, the loader is a field operation, and the use of environmental conditions is poor, so it is important to properly and reasonably select rubber materials.