Measurement of working surface of conoids by comparison with specimen

Summary

The main advantages of the new method of measurement include the following.

• 1. Approximation of the conditions of measurement to the conditions of operation of a conoid and follower in a real conoid mechanism, since the gauge moves arbitrarily over the working surface and may be found at any surface point not given by the coordinates of the working table.

• 2. Great efficiency of measurement, 10–15 times better than measurement by points.

• 3. Possibility of preparing interchangeable conoids.

• 4. High precision of measurement due to exclusion of the errors of the machine, instrument, preparation and setting of the copy, and also the exclusion of mandrel eccentricity.

• 5. It does not require precise and expensive machines and instruments with optical reading devices.

• 6. Possibility of measuring eccentrics, screws with nonuniform pitch, and other complex components.