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US 5,813,806 AGranted
Hobbing machine
AssigneeHermann Pfauter GmbH & Co.
InventorWolfgang Muller
Life of this patent
Estimating the term…
Abstract
The hobbing machine has a tool assembly with a tool spindle and a workpiece holding assembly with a workpiece spindle. A first drive unit for driving the tool spindle is provided. A second drive unit for driving the workpiece spindle is provided. The tool spindle and/or the workpiece spindle is a rotor of the first and second drive unit so that the tool spindle and/or workpiece spindle can be directly driven by the drive unit.
Claims24
A hobbing machine comprising:
- a tool assembly with a tool spindle;
- a workpiece holding assembly with a workpiece spindle;
- a first drive unit for driving said tool spindle;
- a second drive unit for driving said workpiece spindle;
- wherein at least one of said tool spindle and said workpiece spindle is a rotor of said first and said second drive unit, respectively,
- a catch funnel positioned below a machining area of said tool assembly;
- a machine bed thermally decoupled from said catch funnel:
- said catch funnel having sidewalls spaced from said machine bed;
- an insulation positioned between said sidewalls and said machine bed.
6 more elements
A hobbing machine comprising:
- a tool assembly with a tool spindle;
- a workpiece holding assembly with a workpiece spindle;
- a first drive unit for driving said tool spindle;
- a second drive unit for driving said workpiece spindle;
- wherein at least one of said tool spindle and said workpiece spindle is a rotor of said first and said second drive unit, respectively;
- a machining chamber with chamber walls, wherein said tool assembly is enclosed by said machining chamber, wherein at least one of said chamber walls is positioned at an angle of slant and wherein said angle of slant is greater than a static friction angle of cuttings of the workpiece at a surface of said chamber walls;
- a workpiece changer for loading and removing workpieces.
4 more elements
Dependencies are inferred from the claim text.