What is universal measuring machine? - Metrology & Quality Control

Q. Universal measuring machine is a combination of
- Published on 07 Aug 15

a. Tool maker's microscope and Parkinson's gear tester

b. Tool maker's microscope and optical measuring machine

c. Parkinson's gear tester and optical measuring machine

d. None of the above

ANSWER: Tool maker's microscope and optical measuring machine

Sravanthi -Posted on 27 Oct 15
- Universal measuring machine is used to measure different features in a plane, tapered and threaded workpieces.
Linear dimensions, location and roundness of holes, alignment, flatness, etc are the parameters measured by universal measuring machine.

- It is a combination of tool maker's microscope and contact type optical measuring machine because a microscope is used to measure movement of anvils in the machine and this microscope is fitted with an ocular eyepiece or an auto collimator.

- This machine is used for checking limit gauges, thread gauges, and gauge blocks.

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