spiral bevel gear grinder
Gleason 463 Spiral Bevel Gear Grinder was submitted to the U.S. Army Aviation Systems Command (AVSCOM), St. Louis, Missouri. In September, 1986 a contract was awarded to Bell Helicopter Textron Inc. (BHTI) for the development of computer numerical control (CNC) grinding of spiral bevel gears. HId[ELSPINDLEPOSITIONER ABSOIIITEOPTICALENCOOER
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