Type of machine

 

A 420

A 525

A 630

Table length mm 400 600 600
Table width mm 150 200 250
X-axis swivel range mm 400 600 600
X-axis table speed m/min 0.3-35 0.3-25 0.3-25
Dimensions of magnetic plate mm 400x175 600x200 600x250
Optional with 3-point-dresser mm - 350x200 350x250
Max. weight of workpiece (magnetic plate incl.) kg 120 200 420
 
Working range mm 290 400 370
Y-axis grinding height mm 400 500 500
Y-axis feed rate mm/min 0-1,000 0-1,000 0-1,000
Y-axis accuracy of positioning mm 0.001 0.001 0.001
Y-axis resolution of measuring unit mm 0.0001 0.0001 0.0001
Z-axis travelling range, final position +/- mm 180 230 285
Z-axis feed rate mm/min 0-1,000 0-1,000 0-1,000
Z-axis accuracy of positioning mm 0.001 0.001 0.001
Z-axis resolution of measuring unit mm 0.0001 0.0001 0.0001
 
Grinding wheel dimensions mm 225x30x51 250x30x51 300x30x76
Optional grinding wheel dimensions mm - 250x50x51 300x50x76
Spindle revolution rpm 100-4,200 100-3,800 100-2,800
Spindle drive power kW 2/3.6 5.0 9.5
 
Pump of hydraulics kW 0.75 0.75 1.5
Length x width of machine mm 2,660x2,070 2,900x2,320 2,910x2,320
Height of machine mm 1,840 1,840 1,840
Weight kg 1,500 2,300 2,500
Standard colour RAL 7035/7012 RAL 7035/7012 RAL 7035/7012
 
Accessories:
Electropermanent clamping plates 400 x 170 x 82 mm to 600 x 250 x 82 mm
Electropermanent sine tables 400 x 175 x 113 mm to 600 x 250 x 113 mm
Coolant supply systems 85 l to 500 l
Table dressers with 3 or 5 diamonds
CNC swivel table dressers
CNC profile head dressers
Manual or automatic straight-line head dresser
Electronic balancing systems
Evacuation systems for grinding mist
Lehmann dividing heads