3 axis cnc machining fixture 4 axis cnc machining fixture No matter for what precision machining parts after production. We must measure all dimensions in production, not only to check the last process but also to improve the quality of parts. In conclusion, the most important is to provide a final inspection report to customers. 1>. Outer diameter When measuring the outer diameter. Of course, we need to measure and record both parts of the week. When the precision machining part with the diameter length is greater than 50mm. It should have a straight line check. So the use of the knife ruler face and the outer diameter bus contact. Observe the width of the building, and then judge against the standard light gap. 2>. Inner diameter When measuring the size of an internal diameter in a precision machining part, just take three parts in the week and record it. When the same diameter length is greater than 40mm, first check the cylindrical degree. Within the direction of the same diameter length, It should obtain two positions of large intervals for measurement. Calculate the cylindrical error. 3>. Length External thread measurement: the outer thread diameter with thread ring gauge or
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