GILDEMEISTER MODEL ZTA-400 DOUBLE END WORKING DRUM

GENERAL SPECIFICATIONS:

Number of stations6
Tool spindles5 each side
Max. diameter of work80 - 3-1/8 /in.
Max. length of work250 - 9-13/16 /in.
Spindle head longitudinal work feed135 - 5-1/4 horiz.
Distance spindle nose to centre of drum12-3/8" horiz.
Distance spindle nost to centre of clamping station
Position III - radial-
Position IV-V - radial-
Drum width - from3-3/4 to 6-7/8 in.
Drum centre line can be displaced relative to
machine centre line to either side1-9/16 in. variable
Rapid traverse5000/197 in./min.
Fast traverse distanceadjustable
Fast traverse speed5000 - 197
Working feed ratesInfinitely variable
under hydraulic power
Spindle speeds via change gears
for turning operations196 - 2010 RPM
for thread cutting43 - 560 RPM
Drive rating30 KW approx.
Left and right spindle housing each with
1 motor for turning drive 5 KW
1 motor for cutting 2,5 KW
1 motor for threading 3 KW (where no threads are required, this
motor can be used for additional
turning work)
Radial units 1 each motor
1 Hydraulic vane pump for feeds, power consumption 7.5 kw.
Effective feed force per spindle head, horizontal, infinitely
variable up to max. 3.8 tons, for radial units 0.8 tons
1 Coolant pump 0.5 KW
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GENERAL SPECIFICATIONS:
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Further installed consumption for hydraulic supply (separate
hydraulic circuit), circulation pump, return oil pump,
control, D.C. section and oil tank heating - total 7 KW
Weight, including control cabinet16,500 lbs.
Floor space required239 X 118 in.
SPECIFICATION SUBJECT TO VERIFICATION
Note These automatics are ideally suited for simultaneous machining
of workpieces from several sides. Based on a tradition of
decades
in the building of similar machines, this logical further
development permits economical machining of mass-produced
components which can arise in the form of castings, forgings,
bar sections, estruded pressings, etc.
Rotating tool spindles carry the cutting tools generally
combined
into tooling groups. Main rotary and feed movements are
produced by the tools fitted to the tool spindles whilst
workpieces index
from tooling group to tooling group. It is thus possible to
accomodate asymetrical, awkward component shapes and as
workpieces are stationary they can be located closely against
each other and can even overlap. The indexing drum, well-known
from its application to multi-spindle automatics, thus only
carries the clamping facilities on these automatics also carry-
ing out the indexing movement.
To establish suitability for given applications, please note that
the spindles can be used optionally for turning, boring, etc.,
or for threading whilst each spindle can also rotate at a
different speed, It should further be noted that by resetting
the indexing drum angle of rotation from 60 to 120 degrees, two
components can be machined simultaneously on several faces. On
components requiring horizontal machining from one side only,
4 components can be handled simultaneously with 120 degree
indexing. The 400 permits similar machining combinations.
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NOTE (CONTINUED)
Machines of Type ZTA can be employed for the following
operations drilling countersinking, reaming, threading (with
tap or die head), thread rolling, multi-spindle drilling,
internal turning, external turning, facing, chamfering,
roughing, centering, peeling, slotting. planishing, plunge
facing, copy-turning, milling, stepped countersinking, cross
drilling, parting-off.