Engine Lathe Operations and Controls - 10: The Tail Stock
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WARNING: Machine tools present a safety hazard. Improper operation can result in severe injury. These topics are for non-laboratory study only and are not to be used in conjunction with the operation of any tool or machine described herein. Never use a machine tool without the supervision of a qualified instructor.
The tail stock and the headstock are opposite one another and in normal conditions are aligned on the same center (figure 1 ). For cutting a taper the tail stock can be adjusted off center. The tail stock is positioned behind the carriage and mounted on the same ways as the saddle. It can be locked in any position on the ways (figure 2). There are two units to a tail stock; the base and the head (figure 3). To set the tail stock; on or off center there are offsetting adjusting screws on the base. The head consist of the quill (ram or spindle are also names used), quill lock, hand wheel, and a clamp lever or nut. A clamp lever or nut is used to tighten the tail stock in position on the ways (the longer handle in figure 2 is the clamp lever that pulls upward against the clamp barely visible below the tail stock in figure 4.). The quill has a standard Morse internal taper for holding a center, Jacobs chuck or any other tool that has a standard external Morse taper (figure 5). Graduations have been engraved on the quill spindle to measure the length that the ram has project from the head.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
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label: lathe operating, contorls, functions, parts, movements, ways, motor, headstock, spindle, brake, speeds and feeds, carraige, tailstock, centers, faceblate, dogs, threading, staedy rest, follower rest, lathe sizes, taper attachment