Exactly at centre height of the workpiece with tool axis perpendicular to the workpiece axis is the correct position of threading tool to cut V-thread.
Exactly at centre height of the workpiece with tool axis perpendicular to the workpiece axis is the correct position of threading tool to cut V-thread.
Arbor is not a part of centre lathe.
The headstock of a lathe is situated at the left-hand of the lathe bed.
The horizontal feed, cross feed and screw cutting movement in a lathe is controlled by apron.
Clearance angle is provided to avoid rubbing of the body of the tool with the work-piece