Dry-Cut Hobbing Machine for Small-Diameter Gears
An addition to its GE series of dry-cut hobbing machines, Mitsubishi Heavy Industries’ GE 10A is suitable for mass production of small-diameter gears such as those used in vehicle automatic transmission systems.
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Autodesk, Inc.
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DMG MORI - Cincinnati
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An addition to its GE series of dry-cut hobbing machines, Mitsubishi Heavy Industries’ GE 10A is suitable for mass production of small-diameter gears such as those used in vehicle automatic transmission systems. Capable of accommodating gears ranging to 100 mm in diameter, the hobbing machine offers radial and axial travel speeds to 20,000 mm/min. with direct-drive motors in the main spindle and table. The cutting length of the hob measures 300 mm for greater machining efficiency, and maximum hob rotation speed is 3,500 rpm.
Use of a high-speed loader is said to reduce workpiece changing time to 2 sec. According to the company, the machine’s structure enables simple setup changes without the use of tools. Cooling mechanisms incorporated into the main spindle and table enable high machining precision by guarding against thermal displacement. The machine can be used with Siemens or FANUC CNC control units.
