Stamping piece inspection device before placing to the inspection device should be checked and wipe, it is important to note that the clamping device of the inspection device (each clamp of the inspection device has a thickness of 3mm gasket, the gap between the plate and the inspection device depends on it).
Stamping parts to the inspection equipment put to be light to put, after placing, in turn inserted the main, sub-positioning pin on the plate to locate. Measure the amount of springback of the punch, the clamper needs to be opened, measured one by one (the rebound amount of the plate is the difference between the plate before and after the clamping, the rebound amount is more than 0.2mm is not qualified).
After the punching instrument rebound measurement is complete, the clamper needs to be clamped (large stamping to the angle clamping to reduce the plate offset), in turn to measure the size of the face, boundary and hole position, and fill in the inspection report (fill in the inspection report to first look at the lower left corner of the report, so as not to reverse the direction, the mold more and more modified worse).
Calculating the pass rate, the pass rate includes the face, edge, hole and total pass rate, wherein the measured rebound amount of the point is included in the face pass rate, a hole is calculated by 2 points (aperture calculates one point, hole bit is calculated one point), the specific pass rate calculation method. The inspection date, the detector and the pass rate are indicated on the inspection report and the stamping part.
Measurement tool usage specifications
When measuring the gap and edge of a plate with a sharp angle stopper, the two planes of the stopper fit closely together with the plane slabs of the plate and the checker, and do not exert too much force.
When measuring with a steel ruler, the plane of the same steel ruler should fit with the checker and use the side of the 0.5mm scale to read, which will be more accurate.
Before using the cursor caliper, the stamping device should be zeroed, the measurement requires the cursor caliper on both sides and the plate close fit can be, the force should be uniform. The eye should be on the same level as the scale when reading.