| 摘要 |
The screwing device according to the invention comprises, in combination, at least one grasping clamp 1 mounted at the end of a control shaft 2 driven by a gear motor 3 by means of a clutch 4 slaved to a control means capable of being adjusted as a function of the value of a desired gripping moment, a means for detecting the angular displacement of the clamp corresponding to the quality of the desired gripping as a function of the moment displayed. <IMAGE>
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