Tool Grinding Cost Per Edge
The tool grinding cost depends upon the type of tool and the extent of wear
Grinding cost is totally avoided in the case of indexable throwaway tool.
Tool grinding cost per edge = Grinding time × (Grinders ' rate + Overhead)/ Number of edges per grind
Grinding room overhead consists of:
(a) Depreciation of capital investment on grinding machine
(b) Cost of grinding wheel
(c) Cost of supervision
(d) Heat, Light, Water
(e) Maintenance of grinding machines