External spring button
An outer spring probe is provided as external buttons , a tester of the metal working of steel . It serves as a measuring tool for hard-to-reach outer diameters and wall thicknesses.
External spring probes are also used in wood processing and are used to check the accuracy of, for example, turned workpieces.
See also
Individual evidence
- ^ Herman W. Pollack: Manufacturing and machine tool operations. Prentice-Hall, 1968 ( limited preview in Google Book search).
- ↑ Video on using the measuring tool in wood processing
Web links
- What is a spring-joint caliper? Representation of spring outside caliper and spring inside caliper (English)
- Calipers, dividers, and surface gages in: Measuring Tools / Chapter 2 (1910) (wikisource - English)