DALIAN TECH MACHINERY CO.LTD
V-Belt Production Quality Inspection Standards
1. Cutting
(1) There must be no material defects, check with the correct color card or compare with good samples (such as leather color difference, pollution, scratches, discoloration, damage or wrinkles, etc.);
(2) The material length and material width are in line with the order opening ratio, and the minimum loss is the standard;
(3) The cutting must be standard and the error must be the smallest.
2. Glue spraying, machine gluing and bonding
(1) The glue should be covered with good viscosity;
(2) The paste should be aligned and not offset;
(3) Avoid granular, no degumming or degumming;
(4) Prevent glue pollution, do not break, wrinkle, break or shift, etc.
3. Shovel the skin
(1) The radian standard for cutting edge must be consistent with the product manufacturing requirements, and pay attention to the symmetry of the cutting edge width;
(2) Do not repair (flash) edges, such as damage, burrs, etc., and no glue; and round edges, beveled edges or straight edges must be symmetrical, and the appearance effect is consistent with product manufacturing requirements;
(3) The molding width must be in accordance with the actual standard width of the product, with the lead diameter as the reference and including the edge oil thickness measurement 0K.
4. Cutting body material and other accessories
(1) When opening the material by hand, the effect of the edges around the edges must be smooth and complete without damage;
(2) The slitting must be uniformly equipped with knife specifications (the width must be accurate), and defects such as burrs or breakage may occur. The arc and direction of the slitting of the curved belt must be consistent with the appearance requirements of the product;
(3) The blanking material of the cutting die must be beautiful and free from wrinkles, creasing, scratches, incompleteness and other defects.