IS 9239 : 1999 Winding in Mines - Sheaves - Cast - Specification

1 Scope

This standard covers the requirements for cast sheaves andbearing blocks for winding in mines using locked coil ropes ofdifferent sizes.

2 References

IS 210 :1993Grey iron castings

IS 1364 : Part 1 :1992Hexagon head bolts, screws and nuts ofproducts Grades A and B:Part 1 Hexagon head belts (size range M1.6 to M 64)

IS 1570 : Part 2 : Sec 1 : 1979 Schedules forwrought steels:Part 2 Carbon steels (unalloyed steels),Section 1 Wrought products other thanwire with specific chemical compositionand related properties

IS 1855 :1977Standard steel wire ropes for windingand man-riding haulages in mines

IS 1862 :1975Studs

IS 1875 :1992Carbon steel billets, blooms, slabs andbars for forgings

IS 2048 :1983Parallel keys and keyways

IS 3626 :1978Loacked coal winding ropes

IS 8500 :1991Structural steel - Microalloyed (mediumand high strength qualities)