Centre-lathe elements

A typical centre lathe showing the main machine elements is shown in Fig. 9.1. 

Copyright 2010 Bruce J. Black. Published by Elsevier Ltd. All rights ofreproduction in any form reserved. 

Spindle-conirol shaft 1. Coolant and swarf tray 

The bed is securely bolted to a heavy-gauge steel cabinet containing electrical connections and a tool cupboard, and provides a full-length cutting-fluid and swarf tray. 

The complete headstock consists of a box-shaped casting rigidly clamped to the guideways of the bed and contains the spindle, gears to provide a range of 12 spindle speeds, and levers for speed selection. The 

The complete headstock consists of a box-shaped casting rigidly clamped to the guideways of the 

Removal of equipment is carried out by rotating each cam anticlockwise until the index lines coincide and then pulling the equipment away from the spindle nose. 

The gearbox, fitted on the lower side of the headstock, provides the range of feeds to the saddle and cross-slide through the feed shaft, and the screw-cutting range through the leadscrew. 

---