The following table shows the lapping film polishing systems that were developed to date for automotive parts:
| Classification |
Part |
Finishing Portion |
| Main body of engine |
Crankshaft |
Lapping of journal, pin, and oil seal |
| Camshaft |
Lapping of cam surface and journal |
| Balancer shaft |
Lapping of journal |
| Piston ring |
Lapping of outer diameter and end face |
| Valve lifter |
Lapping of end face (the face with which the cam contact) |
| Damper pulley |
Lapping of working face of oil seal |
| Turbo charger |
Shaft |
Lapping of shaft and outer diameter of bearing |
Fuel control (including direct injection and diesel) |
Injector parts |
Needle valve (outer diameter) |
| Pump plunger |
Lapping of outer diameter |
| Regulator valve |
Lapping of end face |
| Bush for pump |
Lapping of end face and outer diameter |
| Tappet for pump |
Lapping of outer diameter |
| AT, transmission, drive system |
Input shaft, intermediate shaft, output shaft |
Lapping of shaft bearing for AT |
| Planetary gear |
Lapping of end face |
| Inner ring of clutch |
Lapping of outer diameter |
| CVT pulley |
Lapping of outer diameter |
| Oil pump cover |
Lapping of outer diameter and inner diameter of cover sub-assembly boss
Lapping of inner diameter |
| Steering, underbody parts |
Deburring of end face of pump housing for power steering |
| Air conditioner |
Vane |
Removal of burrs and dents on the periphery, R-grinding |
| Vane pump rotor shaft |
Lapping of journal, deburring of grooves |
| Bush |
Lapping of inner diameter, round chamfering |
| Shaft |
Lapping of journal and outer diameter of eccentric pin |
| Motor and related parts |
DC motor |
Polishing of commutator and shaft, R-grinding of shaft end |