How to achieve Ra0.2 of surface roughness on pulley crank shaft of car engine with RBT OD stepped shaft burnishing tool?

How to achieve Ra0.2 of surface roughness on pulley crank shaft of car engine with RBT OD stepped shaft burnishing tool?

OD Stepped Shaft Burnishing Tool used to machine pulley crank shaft of car engine.

How to achieve Ra0.2 of surface roughness on pulley crank shaft of car engine with RBT OD stepped shaft burnishing tool?