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利(li)用(yong)生(sheng)產(chan)機(ji)械(xie)運(yun)動(dong)部(bu)件(jian)的(de)碰(peng)撞(zhuang)使(shi)其(qi)觸(chu)頭(tou)動(dong)作(zuo)來(lai)實(shi)現(xian)接(jie)通(tong)或(huo)分(fen)斷(duan)控(kong)製(zhi)電(dian)路(lu)，達(da)到(dao)一(yi)定(ding)的(de)控(kong)製(zhi)目(mu)的(de)。通(tong)常(chang)，這(zhe)類(lei)開(kai)關(guan)被(bei)用(yong)來(lai)限(xian)製(zhi)機(ji)械(xie)運(yun)動(dong)的(de)位(wei)置(zhi)或(huo)行(xing)程(cheng)，使(shi)運(yun)動(dong)機(ji)械(xie)按(an)一(yi)定(ding)位(wei)置(zhi)或(huo)行(xing)程(cheng)自(zi)動(dong)停(ting)止(zhi)、反向運動、變速運動或自動往返運動等。利(li)用(yong)生(sheng)產(chan)機(ji)械(xie)運(yun)動(dong)部(bu)件(jian)的(de)碰(peng)撞(zhuang)使(shi)其(qi)觸(chu)頭(tou)動(dong)作(zuo)來(lai)實(shi)現(xian)接(jie)通(tong)或(huo)分(fen)斷(duan)控(kong)製(zhi)電(dian)路(lu)，達(da)到(dao)一(yi)定(ding)的(de)控(kong)製(zhi)目(mu)的(de)。通(tong)常(chang)，這(zhe)類(lei)開(kai)關(guan)被(bei)用(yong)來(lai)限(xian)製(zhi)機(ji)械(xie)運(yun)動(dong)的(de)位(wei)置(zhi)或(huo)行(xing)程(cheng)，使(shi)運(yun)動(dong)機(ji)械(xie)按(an)一(yi)定(ding)位(wei)置(zhi)或(huo)行(xing)程(cheng)自(zi)動(dong)停(ting)止(zhi)、反向運動、變速運動或自動往返運動等。
