Summit City Precision Machining LLC  260-459-7031

A gearbox housing looks like a block of metal with holes in it, which is exactly why it causes so many problems on the shop floor. Bearing bores have to line up across distances that can run several inches, and the faces that seal the lubricant have to stay flat after the part leaves the machine. Gearbox housing machining is less about cutting speed than about controlling position. A housing can measure perfect on one fixture and still fail at assembly because two bores drift