Hydraulic Cylinder Finishing with Skiving and Burnishing

http://www.unisig.com/unisig-products/deep-hole-drilling-machines-by-industry/hydraulic-cylinders.php Achieve mirror-like surface finish tolerances with skiving and burnishing on a deep hole drilling machine. These processes are idea for hydraulic cylinder inside surfaces, oil field tools, and other applications, and are capable of the highest roundness and surface finish tolerances possible. Skiving and roller burnishing on a machine is preferred over honing, as better results can be achieved in a single setup, with less time, labor, and cleanup.