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一、LATHE ATTACHMENT FEEDS AUTOMATICALLY FOR THREADINGThe drawing shows an attachment we clamp onto the compound rest of a lathe to provideautomatic feed between passes in single-point threading operations.Base of the attachment is a rectangular steel block bolted to the compound. The block isdrilled and tapped for a shoulder bolt on which the toolholding lever pivots and which alsoserves as the operating handle (to simplify the drawing, a few details, such as the slot and
一, LATHE ATTACHMENT FEEDS AUTOMATICALLY FOR THREADINGThe Drawing shows an attachment we clamp onto the compound rest of a lathe to provideautomatic feedbetween passes in single-point threading operations.Base of the attachment is a rectangular steel block bolted to the compound. The block isdrilled and tapped for a shoulder bolt on which the toolholding lever pivots and which alsoserves as the operating handle (to simplify the drawing, a few details, such as the slot and