This paper introduces the structural principle of disc brake, probes into the reasons of the failure of disc brake of elevator, and advances some corresponding protective measures.
介绍了盘形制动器的结构原理，探讨了提升机盘形制动器制动失灵的原因，并提出了相应的预防措施。
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Objective:By analyzing the reoperation causes of lumbar disc herniation, various protective measures were suggested during operation.