control abrasives gears engines carbide plc drill gearboxes hand tools dc motors cars autoglass hmi cnc machining fabrication blades drivelines indexing gear boxes john deere milling motor hose drills couplings car ac motors motion control machining cutting tools bearings motors auto glass repair coaching machine shop fittings auto glass electric motors drives position sensors automation repair cad optical sensors cnc photoelectric sensors sensors driveshafts cutting gearbox