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Phillips punch pin manufacturers take you to understand the measurement method of metal stamping parts

Phillips punch pin manufacturers take you to understand the measurement method of metal stamping parts

(Summary description)The phillips punch pin manufacturer tells you that the hole measurement of metal stamping parts is the minimum value according to the measurement method of the pass and stop gauge.

Phillips punch pin manufacturers take you to understand the measurement method of metal stamping parts

(Summary description)The phillips punch pin manufacturer tells you that the hole measurement of metal stamping parts is the minimum value according to the measurement method of the pass and stop gauge.

Information

The phillips punch pin manufacturer tells you that the hole measurement of metal stamping parts is the minimum value according to the measurement method of the pass and stop gauge, so when you use a caliper to measure and record, you can generally record the minimum value (excluding too small values, such as measurement errors caused by error), (does not rule out special cases) recording the maximum value and the average value has no practical significance, the phillips punch pin manufacturer tells you that the size difference in the measurement of the aperture in all directions should be recorded in the roundness of the shape and position tolerance , not the aperture.

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In addition, if it is surveying and mapping, and there is no size to refer to, you should determine it according to the cross-section, not just take the average value. For example, the minimum value you measure may be caused by the wear of the punch somewhere. At this time The bright band of the section is extremely small, so this minimum value is meaningless.
The phillips punch pin manufacturer tells you that generally speaking, the wear of the punch leads to the reduction of the punching hole (the special-shaped hole needs to be analyzed in detail), so the maximum value can be taken during the surveying and mapping, and the quality of the section should not be forgotten. It is the basic size of the aperture + the maximum value within the allowable deviation multiplied by 0.5~0.75 to leave the amount of wear, and the punching becomes smaller after a period of use, but as long as the quality of the section is acceptable, the value is still within the tolerance range, The phillips punch pin manufacturer tells you that it is correct to take the maximum value at this time.

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