| 摘要 |
PROBLEM TO BE SOLVED: To improve the accuracy and efficiency of a thread fastening operation, and eliminate limitations of an operating area by providing a function for monitoring a thread fastening operation to a power tool. SOLUTION: This power tool 1 in which a control circuit for monitoring the thread fastening operation is built comprises in a power tool body 2 a thread fastening completion detection means for detecting the completion of fastening threads, a thread fastening count means for counting a detected number of fastened threads, a thread fastening number setting means for presetting a number of threads to be fastened, and a thread fastening completion informing means for informing the completion of the operation when the fastening number reaches a preset number. COPYRIGHT: (C)2008,JPO&INPIT
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