REX Series CNC Roll Grinding Machines

rex-header-pic

STANDARD FEATURES

• For straight, concave and CVC profile rolls machining
• Cast iron rigid construction, high precision and efficiency
• Rack-pinion drive for Z-axis, with backlash feed mechanism
• Constant grinding wheel peripherical speed
• Ball screw for X-axis travel
• Dynamic wheel balancing
• HEIDENHAIN measuring system
• Hydrostatic wheel spindle
• Centralized lubrication system
• SIEMENS AC servo motors, PLC and electrics
• SIEMENS SINUMERIK 840D sl
• Centralized control panel
• Telescopic steel covers for longitudinal bed guideways


TECHNICAL FEATURES

REX 400REX 600
Max. workpiece diametermm in450 17.7650 25.6
Distance between centres (standard)mm in2000 78.72000 78.7
Max. workpiece weight (on steady rests)kg lb3000 66005000 11,000
Workpiece speedrpm5-2002-120
Wheel sizemm
in
750x304.8x100
29.5x12x3.9
750x304.8x100
29.5x12x3.9
Wheel motor powerkW 750x304.8x100
29.5x12x3.9HP
40 53.640 53.6
Workpiece motor powerkW HP12 1616 21.5
Max. peripherical speedm/s ft/min45 885845 8858
X-axis travelmm in300 11.8400 15.7
Z-axis travel (standard)mm in2000 78.72000 78.7
Feeds X (continuous)mm/min
in/min
0.01-0.5
0.0004-0.02
0.01-0.5
0.0004-0.02
X (intermittent)
Z
mm/min
in/min
0.001 0.000040.001 0.00004
Rapid feed X (continuous)mm/min
in/min
20-400
0.8-15.7
20-400
0.8-15.7