1. Thaum lub sij hawm kuaj, qhov txav ceev ntawm chuck yuav tsum tsis pub tshaj 3 mm / min.Thaum lub sij hawm xeem, yog tias threaded mandrel puas lawm, qhov kev xeem raug muab tso tseg.2. Thaum lub sij hawm tus txheej txheem ntawm screwing lub rivet txiv ntoo rau hauv threaded mandrel, yog hais tias lub threaded mandrel puas lawm, lub te ...
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