The step _ motor drives the ball guide screw to afterthe instruction issued the computer.
控制系统利用微机对纵、横进给系统开环控制,驱动元件采用直流步进电机,传动系统采用滚珠丝杠.
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The guide rail, the ball bearing guide screw has corresponding installments and so on lubrication, protection.
导轨 、 滚珠丝杠有相应的润滑 、 防护等装置.
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