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日本产 PNEV-MART,TN203型微型气钻为牙科手术的主要工其。常因操作保养欠妥而损坏。本文重点分析夹持件部分的常见损坏原因与维修。1 “不允许空转”。“在任何情况下,气动马达起动之前,夹头内必须装有负载或试棒”。夹头内无夹持物
The Japanese-made PNEV-MART and TN203 miniature gas drills are the main workers for dental surgery. Often damaged due to improper operation and maintenance. This article focuses on the common causes of damage and maintenance of the clamped parts. 1 “No idle allowed”. “In any case, the load or test rod must be installed in the chuck before starting the air motor.” There is no clamp in the chuck