Matra Matra Schneider DRH5/3200
EUROPE (Western and Northern)
Constantly upgraded
Used in SKF mill in France
Circular table Ø 3200 mm
Max. grinding Ø 3200 mm -
Infinitely variable table speed 2-25 RPM -
Grinding height 500 mm -
Distance between table and crosshead 800 mm -
Weight approx. 45T -
Horizontal rapid traverse 520 mm/min -
Horizontal positioning feed 12,5 mm/min -
Horizontal grinding feed 0,001-0,08 mm -
Vertical traverse value 500 mm -
Vertical traverse ratio 1 : 1250 mm/min -
vertical travel ratio 2: 650 mm/min -
slow vertical positioning feed ratio 1: 1,5 mm/min -
slow vertical positioning feed ratio 2: 0,75 mm/min -
wheel spindle Ø 200 mm - motor power 30 kW -
dimensions of tangent wheels 503x71-81-91 or 101x127 mm -
complete coolant system - useful spindle speed 12 RPM -
maximum spindle speed 20 RPM -
feed rate for roughing hard turning 20 µm/rev -
feed rate for roughing 1/2 finishing grinding 7 µm/rev -
feed rate for finishing grinding 3 µm/rev - Ø min/max grinding wheel 450/600 mm Ø min/max grinding wheel 450/600 mm -
tangential grinding wheel speed used 25 m/s -
practical grinding wheel speed for Ø 500 mm 955 RPM -
max. grinding wheel speed 1700 RPM - average ball axis Ø for BI and BE 1900 mm -
grinding wheel and hard turning tools distance int. & ext. approx. 725 mm -
distance between centres of hard turning inserts approx. 410 mm