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Tooth thickness caliper edit this section Cear tooth vernier calipers define a tooth thickness caliper vernier principle, with high foot positioning tooth tooth thickness measuring claw-foot two relatively moving readings of the distance separating the tooth thickness measurement tools. 2, showing the difference between the value of the error indication actual measuring surface with the two separated by distance. Technical requirements, the external surface of the tooth thickness caliper should not have obvious visual defects. 2, tooth thickness caliper of foot frame and jog along the main scale device should be able to move smoothly without catching and loosening. 3, tooth thickness caliper measuring surface hardness should not be less than specified in Table 1. 4, the surface vernier caliper tooth thickness measuring surface roughness. Press profile arithmetic mean deviation Ra value should be less than 0.32μm. 5, edge to edge vernier faces the main scale surface distance should be no greater than 0.2mm. Measuring range 1m ~ 25m Measurement accuracy due to the different scale accuracy is quite different, measurement accuracy under different situation to choose different specifications of feet. Tianjin Junko hardware firms the main types of measuring tools, cutting tools, machine tool accessories, low prices, quality assurance, fake a compensable 10, the domestic first-class brand everything, customers are welcome to contact us. National free advice hotline 022-26764635 QQ 1722109911 13820139326 Zhang Changshun official website www.022wj.com