IS 2510 : 1976 Specification for Bottom Rollers for Drafting Systems

1 Scope

1.1 This standard prescribes requirements for both plain and antifrictionbearing bottom rollers having fluted, knurled or saw-toothed bosses for use indrafting systems.

1.2 This standard does not lay down details of flutes, knurls and saw-teeth.

2 References

IS 2 :1960 Rules for rounding off numericalvalues

IS 1586 :1968 Methods for Rockwell hardness test (B and C scales) forsteel

IS 3190 :1965 Designation of sides and hand of spinning preparatory,spinning and doubling machinery

IS 4474 :1967 Glossary of terms relating to drafting in spinningmachinery

IS 4905 :1968 Methods for random sampling