Bags and suitcases inspection standard
When inspecting Bags and suitcases, there are many details to pay attention to, including appearance, function, etc. We have summarized some detailed inspection standard for such products.
1. Raw material quality requirements
1.1 The adhesion and flexibility of the PU material are normal. Slight rubbing of the paint surface will not cause whitening, breakage and blistering. The wear resistance must meet the national standard. There can be no yin and yang colors (except for some PU materials that have natural or multi-color effects). In the same package, color difference and wrinkles between PU materials are not acceptable.
1.2 Whether the fabric is knitted or woven, the fabric is required to be flat, not drawn, not knotted, and the color fastness is up to the standard.
1.3 The lining and webbing are rubbed 60 times with white cotton cloth, no fading, no desizing, no bleaching phenomenon, no drawing, no turning, no missing yarn, no yarn skipping, no hooking, no roving, no color difference, No belly yarn, no stains, no holes, no menstrual breaks, no creases, no wrinkles.
1.4 The zipper is rubbed with white cotton cloth for 100 times without fading or bleaching. Durability: 100 times of test pull, no missing teeth, no wrong teeth, no damage, the fabric is required to be the same as the inspection requirements of the lining and the webbing, the zipper is required to be free from dislocation, tooth loss, bright, no rust residue, no missing plating, and tight fit , no shaking phenomenon.
1.5 Hardware cracks and scratches are not allowed (non-sense scratches are acceptable with a length of 1.5cm and a width of ≤ 0.3mm, and the non-sense scratches are obviously visually judged as sensible scratches), burrs do not hurt hands, and oxidized surfaces are not allowed ( Black spots on the section are allowed, red spots and strip rust are not allowed), stains, deformation, material inconsistencies, pinholes, electrode shadows, white spots, water marks, acid spitting, delamination, and excessive pickling are not allowed.
2. Production process quality requirements
2.1 Quality requirements for embossing LOGO characters, embossing, watermarking and embroidery
2.1.1 The company's standard size LOGO should be uniformly used, and the embossed characters and patterns should be clear and unclear, and the fonts should not be adhered.
2.1.2 Wrong font (English) or wrong position will not be accepted.
2.1.3 Different embossing depth, color fading and wrong color are not accepted.
3. Joint and Sewing requirements
3.1 Oil edge quality requirements:
3.1.1 All parts that need oiled edges must be oiled more than three times, and if they are found to be uneven after one grinding, they must be polished.
3.1.2 The oil margin should not exceed 1 mm, the oil on the same part should not have color difference, and the color matching must be the same.
3.2.3 The edge oil should not be over the surface, beaded and scratched, and should not be scraped, but should be full and smooth.
3.2 Countertop craft quality requirements:
3.2.1 The four sides are folded and supported, and the glue will be 5 points. The glued pieces will not be accepted. The glue should not be rubbed too wide, over-faced, grainy, and wrinkled leather should be ironed and smoothed before production.
3.2.2 The zipper window must be in the form of a rectangle with a height of 12 mm and an angle of 90 degrees. Broken angles are not acceptable. The folded edge should be smooth and straight, not empty, curved, the chain window should not be broken, the corner should not be burst, and the corner should be round.
3.2.3 The mouth of the bag should be flat, neat, aligned with the teeth, and no glue should be exposed. The shoulder width should be narrow and the length should be the same. The slider should distinguish the positive and negative directions.
3.2.4 The handle and shoulder strap are oil-edged and must be covered with a rubber tube.
3.2.5 The bottom, side walls and the body should be glued evenly, and the difference of 0.25/8 inside line is acceptable.
3.2.6 The zipper head is wrongly used, the zipper head is not covered with glue, the zipper cloth is not acceptable, the opening of the zipper trunk is too large, the zipper body is easy to pull out, and the color of the zipper cloth and PU material is not acceptable, and the zipper is too large. It is not acceptable if it is difficult to pull or pull and close easily.
3.2.7 It is unacceptable that the handle is reversed or wrinkled.
3.2.8 The color of the pinhole should be the same as the color of the leather, and it should not penetrate on the body, the color is gold, or there is a seal that is not acceptable.
3.2.9 If the oil is too thick or too thin, it is not acceptable. The coating should be even and smooth, and it should not be applied to the surface of the skin. It is not acceptable if the oil is cracked, cracked or dropped after slight pulling.
3.2.10 The bottom surrounds the shell, and the four feet of the bag must be thrown out, and all folded to keep the corners and large surfaces smooth and smooth.
3.3 Quality requirements for parking spaces:
3.3.1 8-8.5 stitches for 1 inch thread, too sparse and less than 7 and a half stitches, too dense and more than 9 stitches are not acceptable, the margin should not exceed 0.2mm, and the double lines should be parallel.
3.3.2 Missing lines, jumper lines and broken lines are not accepted.
3.3.3 If the stitch line is not straight, and the line at the corner is not smooth, it will not be accepted.
3.3.4 If the bead is too loose, one stitch will not be accepted. If the bead is too tight and shorter than 1.5 inches, it is acceptable, and if it is too long, it is not acceptable.
3.3.5 The lining sewing reversed, sewing folded, or sewing damaged are unacceptable. The inner line of the bag opening is 0.25/8 higher than the edge of the bag opening. It is acceptable, and more than this is unacceptable.
3.3.6 If there is a hanging bag on the side wall, it is not acceptable for missing sewing. The hanging bag needs to be sewing upright, deflected sewing is not acceptable,
3.3.7 The bundling edge should be firm. Holes in the bundling edge are not acceptable, the bundling edge should be uniform, and the width is not acceptable. Inner wrapping is not accepted according to the company's requirements.
3.3.8 The foreskin should be round and smooth. If the bone is too thin, it is not acceptable if it is not smooth. The foreskin should be close to each other, and the gap should not exceed 0.5/8, which is acceptable within 0.5 points. The barge interface should be aligned, and it is not acceptable if it is not aligned. The two sides of the bone should be balanced, and one side should be high and the other should be low. The bone should be uniform and symmetrical, and the difference is obviously not acceptable.
3.3.9 Missing of the inner label, reversed, reversed, folded, and biased vehicles are not acceptable. The hardware should be installed evenly, and the difference is obviously unacceptable.
3.3.10 The wrong zipper tail sticker is used, the zipper is reversed, the two ends are not in place, and the sides of the zipper are not acceptable.
3.3.11 missing the stitch line at the mouth of the pocket, the stitch is not in place, the stitch is in the wrong position, and the perforation of the pocket is not acceptable.
3.3.12 The line of the hand-pulled sewing should be scored in the middle, if the score exceeds "0.25/8", it will not be accepted.
3.3.13 The stitches on the surface should not be heavy and too long, and the threads on the bottom should not have jumpers, beads, loose threads and random threads. 0.75 stop, the bag should be sewed with a positive label, the four corners of the positive label bag should be symmetrical, not skewed, the stressed part should be reinforced firmly, the zipper should be straight, and there should be no waves.