Series 57 Tool Post Grinder Internal Spindles
Dumore offers a range of grinding wheels, spindles and spindle inserts for the Series 57 tool post grinder to meet the majority of grinding applications.
Each grinding wheel has a "Use Code" designating the intended use:
|1||=||General-purpose. For steels up to Rockwell C45 hardness|
|3||=||For stainless steels, Rockwell C45-C59 hardness steels, and all stainless steel based plasma spray coatings|
|4||=||For steels of Rockwell C60 hardness and higher|
Grinding wheels for the Series 57 tool post grinder internal spindles are made from aluminum oxide.
The 9" Internal Spindle (794-0058) and 15" Internal Spindle (794-0059) each handle 3/8" bore diameter standard grinding wheels up to 2 1/2" wheel diameter, 3/8" wheel thickness. Their maximum recommended speed is 15,000 rpm.