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REISHAUER ULG 46

Workpiece diameter 460 mm
Thread length 900 mm
Thread pitch 100 mm
Total power requirement 10 kW
Machine weight approx. 8 t
Space requirement approx. m
R E I S H A U E R (Switzerland)
Universal -extra large- Thread and Worm Grinding Machine
Model ULG 46 Year 1986

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. workpiece weight approx. 100 kg

Work spindle bore approx. 65 mm

Lead range for single-rib wheels 0.3 – 100 mm
Max. module 10
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
Infinitely variable grinding wheel speeds 72 – 2,500 rpm

Spindle drive approx. 10 kW * Total electrical load approx. 25 kW – 400 V – 50 Hz
Weight approx. 8,000 kg

Accessories / Special Features:

• The machine was originally built with an increased center height for a max. workpiece swing of 460 mm, allowing thread work on larger workpieces and housings (aerospace industry)!
• Internal thread grinding attachment with two dressing devices (long and short spindles)
• Various flanges with grinding wheels
• USL 3200 dressing device for pressure roll profiling, mounted above the grinding wheel (not motorized)
• USL 700 dressing device for manual profiling of single-rib grinding wheel flanks
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• Automatic plunge-cut device. Automatic lift-off of the grinding carriage for the return of the workpiece slide
• Relief grinding attachment with several cams, also suitable for plunge grinding
• Hydraulic tailstock with foot switch and expansion compensation
• Two simple manual dressing devices for straight profiling
• Two 3-point steadies for heavy workpiece support
• Various flanges, set of change gears, several coolant nozzles, setting gauge, 3 faceplates up to 500 mm diameter, separate control cabinet for adjustment of various grinding cycles
• Lift-off safety hood over the working area, monitored by electric switches, etc.
There is no coolant unit available, but there is a connection for a central coolant supply with valve control, along with a separate coolant chiller and a separate stand-alone dust extraction unit.

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