Lays down the proforma for the preparation of purchase specifications for milling machines with table of variable height with vertical spindle. It also gives essential information about the vertical milling machines and their accessories which will enable the user to assess their usefulness and applicability.
IS 6893 Pt.5-1987 history
1988IS 6893 Pt.5-1987 Machine Tool Procurement Specification Form Part 5 Milling Machines with Vertical Spindle Variable Height Table
1976IS 6893 Pt.5-1975 Machine Tool Procurement Technical Conditions Form Part Ⅴ Milling Machine with Variable Height Table and Vertical Spindle