Hangzhou Dongjiang Friction Materials Co., Ltd.
2022/11/21
Analysis of the Main Causes of Burnout of the Variable Speed Clutch Friction Plate
Based on the oxidation level of the transmission parts' surfaces and the hydraulic oil, it is determined that the hydraulic system's oil temperature is too high. This high oil temperature is caused by components such as the hydraulic pump, oil filter, cooler, and the hydraulic oil itself within the hydraulic system. Specifically, excessive impurities in the hydraulic oil cause the oil filter to become blocked, obstructing the hydraulic system's circulation, leading to poor cooling and overly rapid circulation, which raises the oil temperature. The increased oil temperature causes the rubber seals inside the transmission clutch to age, deform, and crack, reducing their performance and lifespan. This results in poor engagement between the clutch's primary and secondary plates, slipping between these plates, incomplete clutch separation, increased friction resistance, and consequently accelerates severe wear of the clutch friction plates.
2022/11/21
Expert answers on common faults of automotive brake friction pads
Brake friction pads contain about 20% organic materials, which decompose and emit smoke when the temperature is too high, forming an oily substance on the surface of the friction pad that affects braking performance. Possible causes of this phenomenon include frequent braking downhill, causing excessive temperature and smoke; or the organic content in the friction pad formula being non-compliant and exceeding the standard.
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Email:HRdjmc@hzdjfm.com
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