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The
MACHINE has automatic feeding arrangement in longitudinal, cross and
vertical direction, having selection from different speeds. The milling
spindle is fitted in two taper roller bearings. The different spindle
speeds which are in geometrical progression are obtained by means of
sliding gears, by which only such gears come into mesh which are necessary
for the desired speed. All the gears run in oil-bath the wear thus being
minimized.The table has a strong cross section and a coolant groove,
fitted with a strainer at the draining point. The table screw has ph.
bronze nut which minimizes wear and tear. The table screw is mounted on
taper bearings which takes the axial load of the screw.
The knee is well braced by internal partition walls giving it the greatest
stability. In all respects, it has been carefully designed with wide slide
surfaces which gives a rigid support to saddle and table. The vertical
screw for raising & lowering the knee is provided with thrust bearings
for taking the vertical load. The feed gear box is built on side of the
knee.
The base, which at the same time serves as a coolant tank is simple
dimensioned and heavy. The coolant pump and coolant pipes are so
dimensioned that enough coolant is supplied to the cutter.
The column owing to its special form is very rigid and all guides are hand
scraped.
(The rights of alteration in design, construction and specification
reserved)
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R-3M (AU) GV
Vertical Milling Machine |
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R-4M
(AU)G All Geared Milling Machine |
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