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Principles of selection of punching die

① contours to be classified to the basic graphics, first to die in the library searching for any outline exactly, you can use a punching action out of the contour of stamping dies. If the mould is ignored in "choose to die the next" set of stamping die, search directly to the die.

② a rectangular outline, when the long side is 1.5 times greater than or equal to the short side of times, it will automatically search for a line with the short side of the rectangle rectangular punching tools: the oblong slots or round notch Groove width or searching of the circular die, if you directly use the die. After these two steps are uncertain when you die, then consider the use of square step punch or circle die for straight lines or circular arcs.

③ consider "selection under the stamping die" die set, square mold analysis for stamping line of the set is greater than or equal to 1.5 times times longer die, circular die stamping circular diameter analysis when pressed on the inside of the curve is greater than the die diameter. If the die set is used.

④ If the die set is not appropriate, system from smallest to largest search for stamping die library square or circular die, use punch lines greater than or equal to 1.5 times times longer die.