Proth -  High Precision Surface Grinder

Over-Arm Series models;  60150AHR, 75150AHR, 75220AHR and 75300AHR
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FEATURES
Cross Slideway Longitudinal Slideway Longitudinal Cross Vertical Auto Down Feed
Dovetail-Type Gibbed Ways Double Vee-Way Hydraulic Automatic Rapid Up/Down, Manual Optional
Straightness of table movement in longitudinal direction 0.02mm/m.
Straightness of table movement in transverse direction 0.02mm/m.
Vertical travel of wheelhead square with table in transverse plane 0.01mm/100mm.
SPECIFICATIONS
SPECIFICATIONS / MODELS
 machines are designed in metric (1inch ≒ 25.4mm ) 		60150AHR 75150AHR 75220AHR 75300AHR
PSGO
General Capacity Max. travel (cross x longitudinal) 660x1650mm
25.9x64.9"		 810x1650mm
31.8x64.9"		 810x2350mm
31.8x92.5"		 810x3150mm
31.8x124.0"
Spindle center height from table 700(950)mm
27.5(37.4)"
Grinding surface of table 600x1500mm
23.6x59.0"		 750x1500mm
29.5x59.0"		 750x2200mm
29.5x86.6"		 750x3000mm
29.5x118.1"
Longitudinal Movement Hydraulic table speed (60Hz) 1-25m/min
Cross Movement Continuous cross feed (Electro-mechanical) approx. 1500(50-1500)mm/min
60000(2000-60000)"/min
Handwheel per revolution 5mm
0.1"
Handwheel per divison 0.02mm
0.0007"
Vertical Downfeed Rapid traverse approx. (option) 50Hz 240mm/min
9600"/min
Handwheel per revolution 0.25mm
0.009"
Handwheel per divison 0.0025mm
9.8"
Grinding Wheel Dimension (O.D x W x I.D) 355x50x127mm
13.9x1.9x4.9"		 355x38x127mm
13.9x1.4x4.9"
Spindle speed 50/60Hz 1500/1800 r.p.m.
Motors Spindle motor 7.5(11)kW/10(15)HP
Hydraulic motor 5.6kW/7.5HP
Weights Net weight 9350kg
20570lbs		 11000kg
24200lbs		 12500kg
27500lbs		 14400kg
31680lbs
Gross weight 10800kg
23760lbs		 12300kg
27060lbs		 14000kg
30800lbs		 16000kg
35200lbs
Packing Size Dimension (L x W x H) 5.5x2.1x2.85m
18.3x6.9x9.4ft		 5.5x2.25x2.85m
18.3x7.4x9.4ft		 7x2.25x2.85m
23.3x7.4x9.4ft		 8.8x2.25x2.85m
29.3x7.4x9.4ft