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制作方法:将一块报废的外圆为φ40、厚度为20mm的卡尺研磨块放在车床上,把一面车一凹孔,孔内径为φ34mm,深8mm。另一面上用划线尺划三条平行线,每条间隔10mm。转过90°划一条中心线,在每一个交叉点上钻一个φ0.8～1mm的孔,再从凹孔一面的三个孔上各钻φ1.8、φ2.2、φ2.5三个孔(孔深7mm),分别用M2、M2.5、M3的丝攻把三个孔攻上螺纹。使用方法、把要翻新的测头旋在相同的螺孔上,用φ0.8～φ1mm的钻头在钻床上通过小孔向下钻,直到把钢球顶出即可更换。
Production methods: a scrapped cylindrical φ40, a thickness of 20mm caliper grinding block on the lathe, the car side of a concave hole, the hole diameter φ34mm, depth 8mm. On the other side with a ruler to draw three parallel lines, each interval of 10mm. Turn a 90 ° draw a centerline, at each intersection drill a φ0.8 ~ 1mm hole, and then from the hole side of the three holes drilled φ1.8, φ2.2, φ2.5 three Hole (hole depth 7mm), respectively, with M2, M2.5, M3 tapping the three holes on the thread. Use method, the probe to be renovated on the same screw hole, drill with φ0.8 ~ φ1mm drilled hole through the hole, until the ball can be replaced out of the top.