Derive an expression for Two wire method in screw thread measurement?

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written 7.9 years ago by

h.p3576 • 220

modified 3.9 years ago by

pedsangini276 • 4.8k

Subject:- Metrology and Quality Engineering

Topic:- Screw Thread measurement

Difficulty:- High

metrology and quality engineering

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3.9kviews

written 7.8 years ago by

h.p3576 • 220

Two wire method:-

The effective diameter can not be measured directly but can be calculated from the measurements made. Wires of exactly known diameters are chosen such that they contact the flanks at their straight portions. If the size of the wire is such it contacts the flanks at the …

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