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Reasons Leading To Hydraulic Cylinders Produced Scars At The Time Of Assembly
- Dec 02, 2016 -

Scars are usually caused by the use of measuring instruments contact when measuring inner diameter of cylinder inside micrometer, measuring contact is friction edges inserts of wall thickness of cylinder, measurement contactor for high hardness wear resistance of cemented carbide made. Generally, the measured depth is small and slender shape when scratches are minor, does not affect the running accuracy, but if the measuring head size adjust properly, hard line embedded measurement contactor, resulting in more severe injuries. Measures to resolve this issue, first adjust the length of the measuring head is measured and, in addition, with a piece of perforated paper tape in the measuring position, attached to the inner surface of the cylinder wall, which does not produce these scratches. Measurement of minor scratches, generally with the opposite of old Emery cloth or straw Board to wipe.