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通过制作三块简单的可调垫铁可以增加车床上三爪卡盘的功能。把这三个调节垫铁安装在三爪卡盘的三个反爪上就可能很容易地在车床上车削大直径盘形零件的端面。
By making three simple adjustable horns you can increase the function of the three-jaw chuck on the lathe. Mounting these three adjusting horns on the three anti claws of a three-jaw chuck makes it easy to turn the end face of a large diameter disk-shaped part on a lathe.