UFZ 4 L

Machine no.:

2024-0022

Roads:

X = 1200 mm
Y = 1250 mm
Z = 900 mm

Control:

SIEMENS SINUMERIK 880 M

Construction year:

1992

X-travel

1200 mm

Y-travel

1250 mm

Z-travel

900 mm

control

SIEMENS SINUMERIK 880 M

condition

in Betrieb

main drive at 100% duty cycle

25 kW

turning speed range – milling

36 – 2800 U/min

tool taper

SK 50-DIN 69871 IKZ-B

workpiece diameter at full load

125 mm

wotkpiece diameter with 2 vacant positions

250 mm

tool length – max.

300 mm

weight of tools max.

22 kg

tool magazin

60 Stk/ pcs

coolant tank

220 l

chip conveyor

1250 x 2000 mm

Machine number

#4030

MACHINE BED
Generously dimensioned, hardened steel guideways
Guide width 630 mm
Steel covers

MOTOR DRIVEN NC ROTARY TABLE
controlled as 4th axis
– Clamping surface 1000 x 800 mm
– Hydro-mechanical clamping and releasing of table plate
– Measuring via incremental encoder
– Table load 1500 kg

MACHINE COLUMN
Compact and torsion resistant welded construction with hardened and ground guideways, guide width 750 mm
Spacer 200 mm to connect machine column and machine bed

HEADSTOCK SLIDE
Cast construction, guided at the side of the machine column via roller elements.
The guiding surfaces of the column front are plastic coated. Hydraulic counter weight.

HEASTOCK WITH AUTOMATIC SWIVEL HEAD
With automatic, rapid swivel of the milling spindle into horizontal resp. vertical machining plane
– Travel 900 mm
– Hydro-mechanical lifting and clamping of the head
– Indexing via Hirth toothring
– Tool taper of milling spindle SK 50
– 25 kW frequency controlled a.c. main motor
– Speed range 36 – 3600 rpm
– The milling spindle is equipped with a hydro-mechanical quick tool clamping system and suited for tools with internal coolant supply (see option: Increased coolant installation)
– Compressed air connection to blow out the spindle after tool change 4 – 6 bar

INDIVIDUAL FEED DRIVES
via 3 ac motors with constant torque
Continuous feed range from 2 – 12 000 mm/min Rapid traverse 12 000 mm/min for the 3 main axes Recirculating ball screws for all 3 axes
with pre-loaded double nut.

CENTRAL CONTROL
via control panel at swivel arm.
Push-button operation of all feed directions, selection of the feed speeds
via step switch. Power display
The control panel can be swiveled into the optimum working position

ELECTRICFAL EQUIPMENT
for three-phase current 230/380 V (-5 % / + 10 %) 3 phase, 50 Hz, Total power approx. 50 kW. The separate control cabinet contains the electronic drive
units for main spindle and feed motors, the programmable interface and the switch gears for additional equipment.
Protective system of control cabinet IP 54, of feed motors IP 65 and for main motor IP 43 R.

MEASURING SYSTEMS
Direct, non-contact measuring for all linear axes

LUBRICATION
Guideways: Central impulse lubrication
Feed drives: Grease lubrication

INCREASED COOLANT INSTALLATION
for tools with internal coolant supply
Pump capacity at 4 bar approx. 50 l/min
5 bar approx. 40 l/min
8 bar approx. 20 l/min
(max. 10 bar feed pressure)

HOUSING

PALLET CHANING SYSTEM 1000 x 800 mm
Pallets (2 per system), clamping surface 1000 x 800 mm Rectangular shape, corner rounded to to a diagonal With center bore Clamping surface with parallel t-slots as per DIN 650, center slot 18 H7 One side of the pallet with an alignment edge

LOADING STATION
Base with foundation anchor bolts for bolting down on the factory floor.
Transport of the pallets from the loading station to the clamping station and vice versa via extendable bridge and return chain drive with drag rollers Drive via three-phase current geared brake motors.
Operating panel situated between the loading stations. Clamping station is integrated in the machine table-Hardened and ground pallet supports with compressed air cleaning nozzles to keep the surfaces clean. Hydraulically activated locking units, hardened and ground fixing bolts and sleeves. Clamping with 4 disc spring packs via T-clamping strips, releasing hydraulically

ELECTRIC EQUIPMENT
Control system for manual operation from control panel and automatic mode via NC control.

TECHNICAL DATA
– Size of pallets 800 x 1000 mm
– Admissible load 1200 kg
– Pallet clamping hydro-mechanical via cup spring pack



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