PROTH Surface Grinder – Year 1985

PROTH 20″ X 40″ – Year 1985
AUTOMATIC HYDRAULIC Surface Grinder

Table Size : 600 x 1000mm                        
Max. distance center of spindle to table
600 mm (24″)
Table speed 5~25 m/min (200″ ~ 1000″/min)
Table guideway V & flat way
Auto. cross feed incerement (approx.) 0.5~20 mm (0.02″~0.8″)
Rapid power cross feed (approx.) 1100 mm/min (44″/min) (60 Hz)
900 mm/min (36″/min) (50 Hz)
Cross feed on hand wheel (1 rev)
Cross feed on hand wheel (1 gra)
5 mm (0.2″)
0.02 mm (0.001″)
Rapid power head elevation (opt., approx.) 300 mm/min (10″/min)
Vertical feed with M.P.G. (1 rev)
Vertical feed with M.P.G. (1 gra)
(x1) 0.1 mm (0.01″)
(x1) 0.001 mm (0.0001″)
Auto. down feed (opt.) 0.001 mm ~ 0.999 mm/time
(0.0001″ ~ 0.0999″/ time) (opt.)
Wheel speed 1750 r.p.m. (60 Hz) / 1450 r.p.m. (50 Hz)
Wheel dimension 405 x 50 x 127 mm (16″ x 2″ x 5″)
Spindle motor 10 HP / 15 HP (opt.)
Hydrauilc pump motor 3 HP
Auto. cross feed motor 1/5 HP
Rapid head elevation motor 1 kW AC servo motor
Coolant pump 1/4 HP
Machine Weight:                                                     14,500 lbs

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