Gewinde-Schnecken-Schleifmaschine

REISHAUER ULG 46

R E I S H A U E R (Switzerland)
Universal -extra large- Thread-and Worm-Grinding Machine
Model ULG 46 Year 1986
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Grinding length 900 mm
Max. workpiece clamping length 1.190/1.400 mm
Workpiece Ø / thread Ø, min./max. 10 – 460 mm (!)
Length adjustment of workhead on table 210 mm
Max. weight of workpiece approx. 100 kg

Workspindle bore approx. 65 mm

Lead range for single-rib wheels 0.3 – 100 mm
Max. profile 10 module
Max. lead angle +/- 40 °

Grinding wheel dimensions, Ø x width 350 x 20/40 mm
Relief grinding size 0.03 – 8 mm
Presettable number of flutes 2 – 10, 12, 14 and 16
27 workpiece speeds 0.4 – 160 rpm
Stepless adjustable grinding wheel speeds 72 – 2.500 rpm

Spindle drive, approx. 10 kW * Total electric load approx.. 25 kW - 400
V - 50 Hz
Weight approx. 8.000 kg

Accessories / Special Features:

• Machine was built originally with an increased height of center for a max.
Workpiece swing of
460 mm, this allows thread work on larger workpieces and housings (aircraft
industries)!
• Internal Thread grinding device with two dressing devices ( long and
short spindles),
• various flanges with grinding wheels
• USL 3200 Dressing device for pressure roll profiling, mounted above
grinding wheel.
(not motorized)
• USL 700 Dressing device for manual profiling of single ribbed grinding
wheels flanks.
• Automatic plunge-cut device. Automatic lift-off of grinding slide for
return of workpiece slide.
• Relief grinding device with some cams, also suitable for plunge-in cuts.
• Hydraulic tailstock with foot switch and expansion compensation.
• Two simple dressing devices, manual operated for straight profiling
• Two pieces 3-Point steadies for heavy workpiece supporting
• Various flanges, set of change gears, many coolant nozzles, adjusting
gauge, 3 Faceplates
Up to dia 500 mm, separate switch cabinet to adjust various grinding cycles
• Lift-off safety hood over the working area, monitored by electric
switches, etc.
There is no Coolant Device available, but connection to a central Coolant
supply with valve control
And with a separate Coolant chiller and a separate standing Dust extraction
unit.