Different styles of differenThe production process of backpacks is numerous and is still dominated by manual processing. A backpack from raw materials to finished products need to go through a number of processes, including design, material selection, sample, mold, sewing and other processes, as little as 30 to 40 processes, as much as 70 to 80 processes. Each process is interlocked, a process problem, will affect the quality of the whole bag. Below, I will give you a brief introduction to do a bag of basic processes are!
1.Style design
The first process of making a bag is the style design. Designer according to customer demand and market trends, to determine the main material (nylon, Oxford cloth, polyester cloth, cotton, canvas), accessories (sponge, non-woven fabrics, wrapping (bone) strip, etc.) & Hardware zipper with accessories), color matching, size and appearance design and other details!
2.Out of the paper grid
Determine the style, the version of the room master will be based on the designer's rendering to make the plate, this process is called "out of the paper grid", that is, using the paper grid as a material, designed to constitute the shape of the components, the upper side of the labeling details of the use of instructions.
3.The production of sample packages
With the paper grid, you can start making the sample package. Of course, whether the paper grid standard, determines whether the sample package can realize the original intention of the design. Generally speaking, the production of sample packages have two purposes, the first is to confirm whether there are errors in the paper grid to prevent serious deviations in the production of large quantities, and the second purpose is to test material, test pattern, to see whether the actual effect is consistent with the original design.
4.Preparation and cutting
Once confirmed that the sample package is not a problem, the factory will arrange the production plan for the big goods. At this time, it is necessary to purchase raw materials and make knife mold. It is important to understand that the bag is the same as clothing. It is not a whole. But through the "piece" and "piece" of the patchwork sewing made. Because the raw materials are purchased in rolls, they need to be molded and cut, and then supplied to the production line.logo needs to be customized, but also need to be in a predetermined position on the material through embroidery,silkscreen or laser technology will be printed on the logo.
5.Sewing molding
Sewing refers to sewing the cut pieces into the complete shape of a bag, is a key process, its time-consuming and long. Strictly speaking, however, sewing is not only a process, it consists of many processes, including front piece sewing, middle hoop sewing, back width sewing, lining sewing, wearing straps, tying knots, and bag sewing together.
6, Quality control packaging and ship
Generally in the packaging process will do the whole package quality inspection, unqualified products returned to the previous process, rework processing. Qualified products to excess threads cut off, hanging tags, bagging and packaging, according to customer requirements for the number of boxes for the whole box.
