super-finishing machine

○Honing machine: A machine tool that performs honing finishing mainly on the cylindrical inner surface of a workpiece using a honing head. JIS B 0105 : 2012 08001
○Lapping machine: A machine tool that smoothly finishes the machined surface of a workpiece by pressing and sliding the tool called lap and workpiece against each other with lapping medium comprised of abrasive grain and a lapping fluid trapped between them. JIS B 0105：2012 08003
○Polishing machine: A machine tool to finish the surface of a workpiece extremely smoothly by pressing and sliding a tool called a soft polishing plate against the workpiece with polishing slurry mixed with diamonds, grains, and a working fluid trapped between them. JIS B 0105：2012 08005

Exhibit No.

279

Name

Radial ball bearing raceway superfinishing machine

Specification

Year of manufacture: 1972 / A machine that presses a fine-grained grinding wheel onto the surface of a workpiece and rotates the workpiece while applying vibration to the wheel to finish the surface. This machine is used for machining the inner and outer raceways of bearings. Part numbers 6200 to 6208 and 6300 to 6307. This machine was manufactured in 1972 and was used for many years by IZUMOTO SEIKO CO., LTD. (IKS) in Matsubara, Osaka, for manufacturing bearings #608 (shaft diameter Φ8mm) to #6203 (shaft diameter Φ17mm).

Manufacturer

Osaka Seiki Co,　LTD.