IS 2425 : 1982 Test chart for pillar type vertical drilling machines

1 Scope

Describes both geometrical and practical tests on generalpurpose and normal accuracy pillar type vertical drilling machines,and the corresponding permissible deviations with reference to IS :2063-1962 Code for testing machine tools.

1.1 This standard deals only with the verification of accuracyand applies neither to the testing of the running of the machine(vibrations, abnormal noises, stick-slip motion of components, etc)nor to the machine characteristics (speeds, feeds, etc), whichshall generally be checked before testing the accuracy.