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How to install the punch in the stamping mold
How to install the punch in the stamping mold? First, remove the electro-eroded mud in the hole of the punch fixing plate of the stamping part mold; chamfer the back of the punch fixing plate along the periphery of the cavity (0.5～1.5) mm×45°, the size of the chamfer depends on the force of the mold . The edge of the punch edge of the punch in the stamping die is chamfered along the contour line by about 0.25mm×45°. Use a fine sand strip or a diamond file to slightly trim the line cutting marks on the edge of the punch in the stamping mold to facilitate the punch to enter the fixed plate. The tail should be left a distance, and its length is slightly greater than or equal to the thickness of the fixed plate. ; Place the contour block whose height is greater than the length of the punch under the fixed plate, and then press the punch into the fixed plate; this work should be carried out in several steps; when the punch enters the fixed plate and can stand, That is to measure the perpendicularity between each other, and then measure separately when entering 1/3 and 1/2. If there is a skew, it should be corrected in time and confirmed before proceeding. When the number of punches is large or the size is small, the unloading plate should be aligned with the concave mold, and the punching plate should be used to guide the punch; when the punch enters the fixed plate, the end length of the end is 3~5mm and the press is stopped. Oxygen-acetylene flame heats the edge of the end of the punch and quickly strikes it with a small hammer to swell the red hot part; after it is completely cooled, press the punch into the fixed plate, and flatten the tire with a contour block. , Use the lower plane of the fixed plate as the reference to grind the upper plane and the end of the punch together; take the plane of the fixed plate as the reference, set the unloading plate on the punch to make its working surface slightly lower than the punch, and set the convex The chamfering position of the working section of the die is smoothed to a sharp edge; recommended article: stamping parts processing factory talk about the assembly of a single-process die