Machining skills on manual lathe turning 4140 hardened steel

This video shows the machining skills for turning a 3 1/4" 4140 induction hardened chrome steel rod on a manual lathe into a cylinder ramshaft for a Caterpillar 651 wheel tractor scraper. Machining the rod into a cylinder ramshaft is a multi step process which takes some precision machining skills on a manual lathe. Machining the end of the rod for the cylinder piston & nut involves turning down the outer diameter of the induction hardened chrome steel, machining a taper for the piston and cutting an external thread for the nut. Machining to weld prep the other end of the rod involves drilling a centre hole for eye spigot and machining a bevel.

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Видео Machining skills on manual lathe turning 4140 hardened steel канала Cutting Edge Engineering Australia