| 摘要 |
PROBLEM TO BE SOLVED: To estimate the remaining number of executable times by detecting the remaining capacity of a battery, detecting the discharged capacity as a unit work capacity, estimating the future unit work capacity and subtracting it from the remaining capacity, thereby calculating the remaining number of work times. SOLUTION: A motor crimping tool normally integrates unit work capacity and does not complete integration, even after repeating the inching process of crimping work many times. Integration is completed, when caulking work is executed, and the capacity of a secondary battery 6 discharged for one crimping work is detected. The unit work capacity is subtracted from the remaining capacity to indicate the number of residual work times for executing the crimping work continuously, without having to charge the secondary battery 6. Consequently, a worker can decide surely whether crimping work of crimping terminals can be completed entirely without charging the secondary battery 6 or charging is required on the way.
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