Chamfering Cylinder Bores

Chamfering Upper Edge Of Cylinder (Part 1 Of 2):

Chamfering Upper Edge Of Cylinder (Part 2 Of 2):

1. After machining the cylinder bores, use a suitable tool (e.g. hand milling cutter) to chamfer the bores as shown in the illustrations above.
2. Smooth the bottom edge of the chamfer with a polishing stone.

Chamfering Lower Edge Of Cylinder:

3. If the cylinder barrel has been machined, additionally chamfer the bottom cylinder.