Simple measurement method for tool depth in parts (2)
Rotating handle: For easy and reliable rotation of the part, the upper part of the handle is knurled and threaded with the measuring rod (see Figure 5).
Proofreading gauge: In the mass production, the measuring instrument is used frequently and the wear and tear will be accelerated. In order to keep the measuring instrument always within the controlled range, we should regularly check the measuring instrument with the proofing gauge; in terms of technical requirements, the upper and lower planar surface roughness values The surface roughness value below the gauge is required (see Figure 6).
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