A professional who sets up and operates gear-lapping machine to lap gears according to specifications, machining instructions, standard charts, and knowledge of gear lapping procedures. Respnsibilities include:

• Reads blueprint or instructions to determine gear dimensions, tolerances, and number of gears to be lapped, and machining instructions for lapping speeds and pressures, work-holding fixtures, and spindle angles to be used.
• Positions and secures pairs or trains of gears on spindles, using fixture and wrenches.
• Moves controls to set spindle angles, lapping speeds, tool pressure, and length of cycle.
• Brushes or sprays lapping compound on gears.
• Starts machine, examines gear contact area, and moves handwheels to adjust action of gears.
• Inspects lapped gears for conformance to specifications, using knowledge of gear design and surface finishing.
• May inspect finish and mechanical action of gears with gear inspection equipment.
• May be required to have experience with particular type of gear or machine.
• May lap gears against each other metal-to-metal without lapping compound and be designated Gear Burnisher.