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串联式液压双回路制动器主缸(以下简称“制动主缸”)已在汽车上使用多年,但是在实际应用中,某些厂家生产的制动主缸尚存在一些不足之处,现予以剖析,并提出相应的完善措施。1制动主缸的活塞工作行程不符合行业标准的规定汽车在行车制动时,要求汽车的液压制动系统内必须有足够的工作压力和充足的供油量,这样才能保证汽车液压制动系统正常工作,使行车制动安全可靠,其中起关键作用的是制动主缸中前、后活塞的工作行程。按照行业标准的规定,制动主缸的活塞工作行程(前、后活塞的工作行程之和)应符合表1的要求。如果制动主缸的活塞工作行程较小,达不到
The tandem hydraulic dual-circuit brake master cylinder (hereinafter referred to as “master cylinder”) has been used in automobiles for many years. However, in practical applications, there are still some shortcomings in the master cylinder produced by some manufacturers. Be analyzed, and put forward the corresponding improvement measures. 1 brake master cylinder piston stroke does not meet the industry standard requirements in the service brake, the car’s hydraulic brake system requires adequate working pressure and adequate fuel supply, so as to ensure the hydraulic brake The system is working normally, so that the service brake is safe and reliable, among which the key function is the working stroke of the front and rear pistons in the brake master cylinder. In accordance with the provisions of industry standards, brake master cylinder piston stroke (front and rear piston stroke and work) should meet the requirements of Table 1. If the brake master cylinder piston stroke is small, can not reach