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Wedge rolling

Compression forming of rotationally symmetrical blanks at 1100°C – 1250°C between counter-rotating moving generating tools, which reduce by rolling on the surface of the workpiece. Preferred process for manufacturing gear shafts with widely diverging geometrical cross-sections.

Machinery: Smeral wedge rolling

Number

Roller diameter
Forming force
Torque coupling
Max. Ø for rolling

3 machines

1000 mm
13000 kN
7800 kN
100 mm

Special features:
• Forming with undercuts is possible in this process
• Distortion after machining (hardening) is low
• Homogeneous grain flow through whole shaft

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