CHAPTER 7: OPERATION 7-9
ALPHA 538/552
3.4. TUBES
The front tubes function as an extension of guiding channel, while protecting the zone between the
barfeed and the lathe.
Fixed tube Telescope / Telescopic tube
3.5. Fixed tube (fixed headstock)
The front tube is a tube with fixed length. It serves specifically for fixed type lathe.
3.6. Telescopic tube (sliding headstock)
The telescopic tube can extend and retract. It’s designed specifically for Swiss type lathe since the
spindle is sliding during the part feed out and the machining. Matching reduction tubes are mounted
inside of the telescopic tube to guide the bar and the pusher.
Article No
Internal ø
Retracted length Maximum Stroke
042.037.013
48mm
178mm 384mm
042.037.073
42mm
240mm 580mm
332.037.053
42mm
225mm 530mm
332.037.023
42mm
165mm 348mm