gear-cutting production at a machine-building enterprise, production of a gear wheel on a machine, with oil cooling

background chips closeup cog cooling cutter cutting cylindrical engineering enterprise gear gearcutting helical hob hobbing industrial industry involute lubricant lubrication machine machinebuilding machinery machining manufacture manufacturing master mechanical metal metallic metalwork metalworking mill milling oil part power precision processing production quality shaper shaving spline steel technology teeth tool tooth wheel work working