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《计量技术》杂志1975年5～6期发表了“游标卡尺测深尺的修理”一文,介绍了用一铸铁件车制成的研磨胎具。由于卡尺和研具同时研磨,所以比较费时,且端面磨损较快。若将原来的紧固螺钉改为二只内有弹簧的可调节压紧力的螺钉,并加装一拉簧(见图)。拉簧一端穿入螺钉头部的光杆内,另一端勾紧卡尺上端。使用时只需将卡尺压至不晃动即可。由于在拉簧的作用下,卡尺尾部始终露出胎具端面,研磨时只需轻按胎具即可。
In May-June 1975, Metrology Magazine published a paper entitled “Vernier caliper ruler repair”, introducing a grinding tool made from a cast iron car. Due to the caliper and grinding tool at the same time, it is more time-consuming, and the face wear faster. If the original fastening screws into two within the spring with adjustable clamping force of the screw, and the installation of a pull spring (see photo). One end of the tension spring penetrates the polished rod in the head of the screw, and the other end hooks the upper end of the caliper. Just use the caliper pressure can not be shaken. Due to the role of the tension spring, the tail of the caliper always exposes the tire end surface, just gently press the tire when grinding.