CHAPTER 7: GENERAL DESCRIPTION 7-5
ALPHA ST320 S2
b) Front tube / telescopic tube :
The front tube or telescopic tube (also called telescope) functions as an extension of guiding
channel. It performs function of guiding channel between the bar feed system and the lathe.
Front tube Telescope / Telescopic tube
The front tube is a tube with fixed length. It serves specifically for fixed type lathe. The
telescopic tube could extend and retract. It’s designed specifically for Swiss type lathe since
the spindle is movable. A liner inside whose dimension must match the pusher. In addition, an
oil collector is mounted under the front / telescopic tube for collecting the leaking oil.
Whenever the channel replacement is needed, check chapter 7.4 for further information.
2.2. Layout of the elements
Designation Description
A Movable channel cover
B Fixed guiding channel
C Oil injection tube
D
Front tube (for Fixed type lathe) or
Telescope (for Swiss type lathe)
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