*Name
Grinding Wheels
Series 57 Tool Post Grinder 3"- 6" Internal Spindle Inserts
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 |
| 2 | = | For cast iron, brass and other non-ferrous materials, including Sulzer Metco 445, 447, and 18C plasma spray coatings |
| 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 spindle inserts are made from aluminum oxide.
The 3 3/8" Internal Spindle Insert (423-0008), 4 3/8" Internal Spindle Insert" (423-0010), 5 3/8" Internal Spindle Insert" (423-0012) and 6 3/8" Internal Spindle Insert" (423-0013) each handle 1/8" bore diameter standard grinding wheels up to 1" wheel diameter, 1/4" wheel thickness. Their maximum rated speed is 25,000 rpm (3 3/8" Internal Spindle Insert), 15,000 rpm (4 3/8", 5 3/8" and 6 3/8" Internal Spindle Inserts).
See additional spindles and spindle inserts for Series 57 tool post grinders.