Crankshaft milling machine

Heller RFK 100-2-500

General
Year of manufacture: 2017
Operating hours: 17,349
Control: SINUMERIK 840D sl

Maximum workpiece dimensions
Workpiece length up to 500 mm
Maximum cutting radius mm 200
Stroke over center mm 25
Maximum clamping diameter mm 100
Tip diameter mm 30 – 60

Working area
Longitudinal stroke Z-axis mm 602
Longitudinal stroke Z-/W-axis mm 602 / 602
Cross stroke X-axis mm 140
Cross stroke X-/U-axis mm 140
Steady Z3-axis depends on the chuck
Workpiece C21/C22 axis degrees 360

Tool
Outer diameter mm 230

Tool holder
Quick-change system

Bearing diameter of tool drum
in the front bearing mm 660 * 790

Chuck holder
Cylindrical mm 180
Chuck diameter up to mm 260
Workpiece spindle bearing diameter
in the front bearing mm 170

Guidance system for machining units
Rolling guides with rollers, size 45

Feed drives
Cross slide adjustment W-axis,
Z-axis 100% duty cycle
Nm 18 / 18
Tool feed U-axis, X-axis
100% duty cycle
Nm 18 / 18
Steady Z3-axis 100% duty cycle Nm 10.5
Vise right Z4-axis 100% duty cycle
Nm 10.5
Circular feed workpiece C21-
axis, C22-axis 100% duty cycle
Nm 18 / 18

Axis speed
Feed/rapid traverse speed longitudinal
W-, Z-, and Z3-axes
m/min 0 - 40
Feed/rapid traverse speed transverse U-axis,
X-axis
m/min 0 - 20
Feed/rapid traverse speed Z3-axis (steady rest)
m/min 0 - 40
Circular feed of workpiece C21-
axis, C22-axis
rpm 0 - 60
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Cutter drive
Power per unit (nominal / maximum) kW 15 / 30
Cutting speed m/min 120 - 255
Tool torque Nm 1500

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