1. Process flow
(1)Cutting material process
Cut fabric - cut lining - cut bottom board - cut zero material
(2)Gluing process
Gluing the nose, gluing the handle, gluing the lock and gluing the teeth
(3)Sewing process
Sewing zipper, sewing fan, sewing pocket, sewing teeth, sewing fan, sewing wall, sewing nose, sewing handle, sewing pocket, sewing lining, sewing bag
(4) Riveting process
Riveting lock, riveting strap and riveting metal buckle
2. Production process
(1)Material cutting process
①Cutting fabric: strictly according to the sample, pay attention to the direction of the silk weave of the fabric.
②Cutting lining material: strictly according to the sample, the bag fabric requirements with horizontal silk.
③Cut bottom board: strictly according to the sample size.
④Cut zero material: strictly according to the sample size, pay attention to the coordination between zero material and whole material in terms of color, grain and softness.
(2)Bonding process
Travel bag gluing process is less used, and relatively simple, only when needed, such as sticky nose, sticky zipper and other components, the operation must pay attention to adhesive fastness and cleanliness.
(3) Sewing process
①Sewing the pocket zipper: directly sewing with the cutout type digging pocket method or using the simple type sewing method can be. The stitching should be straight, fitted, and wide and narrow. When sewing the zipper of the bag mouth, it should be fixed with double bright thread.
②Assembly of spare parts: the decorative belt, metal ring, cloth belt, handle nose, handle, etc. on the bag should be assembled in the intended position first.
③ on the tooth: first with a large needle code to fix the tooth on the fan surface, the line as far as possible to the edge, so as not to reveal the traces after closing the package, and then the fan surface and the wall sewn together, the requirements of the tooth should be tight on the firm.
④Bundle: Combine the corresponding parts inside and outside into one with reverse stitching method, and after sewing, wrap the inner hairy edge with a strip and wrap it well.
⑤Shaping: After closing the bag, turn it over and shape the edges and corners to make the bag body look full and meet the design requirements.
(4)Riveting process
①Rivet the nose and handle on the bag body, requiring symmetrical riveting firmly.
②Riveting the back strap and bag lock
3. Material requirements
(1) artificial leather
Requirements with the briefcase material requirements.
(2) canvas, a variety of chemical fiber cloth
① uniform color and luster, good dyeing effect.
② length of not more than 23mm jump yarn, not more than one in the wall part, not more than one at the bottom.
③Geb requires square and symmetrical lattice, deviation not more than 8mm.
(3)Hardware fittings
Firm, shiny and rust-free, no defect, flexible in use.
(4)Zipper
It is required to open and close smoothly, strong and durable.
