The most typical of the furniture is the sofa; after a busy day, we come home and usually like to lie on our comfortable sofa. It can be said that the sofa is the furniture that we touch the most every day except the bed. So, how is the sofa made? Do you know that? It doesn't matter, today Xiaobian will take everyone to see, the craft and process of a sofa.
A set of sofas, its basic production process can be divided into: the production of the sofa frame, the bottom of the cut sofa feet sitting on the color sponge bonding nails, suit sofa jacket.
Fabric frame making, base
Before the sofa starts to be produced, it is necessary for the master with rich experience to draw a good shape. Without a good model, it is impossible to make a good sofa. Because every joint needs fine calculations, it's not a little bit of a gap.
After the plate is finished, the frame of the sofa is officially produced. The current sofa frame is mainly divided into two materials: solid wood and composite panels. The frame of the sofa, in the Xiaobian seems to be similar to the human skeleton, supporting the entire sofa. The robustness of the sofa frame structure and the rationality of the design angle will affect the quality and function of the sofa.
Wood frame production process
Dry wood
Since the wood contains moisture, the moisture content of the wood is controlled to be within 12% by drying, which can greatly reduce the deformation rate of the wood. Not easy to deform, rot and insects.
2. Cutting material
Cut back, armrests, etc. according to the sample drawing. After that, the wood is polished, wind-cut, and trimmed.
3. Reinforcement
The parts of the sofa frame are tightly joined by the opening and closing method.
The craftsmanship has been passed down in China for thousands of years. If you have an old piece of furniture in your home, it is definitely spliced ​​using the enamel process. Otherwise, it won't be so strong. In addition, in order to reinforce the frame, each joint of the frame is positioned using a precisely cut wooden tripod, which must be coated with a gun or a screw. (reinforcement)
Here you need to pay attention to some small details, the interface should be stitched accurately.
4. Bottoming
Mainly to add springs and bandages to the sofa. Put a rubber band on the back of the sofa! Because the backing frame does not have the same strength as the seat, you can use the elastic band. Some people use so-called black belts, which are made of waste tires.
Springs generally use serpentine springs (also known as S-shaped springs) to increase the bearing capacity of the sofa, and then use special spring clips to reduce noise. The spring installation must be secure and there must be no movement when pressed. The quantity is based on specific needs.
5. Mongolian mesh
The cushion area is covered with a breathable mesh cloth that is acquainted with, so that it can effectively prevent moisture and ventilate and increase the life of the sofa.
Sofa padding
The padding inside the sofa includes sponge, down and rayon. The types of sponges are mainly high, medium and low sponges of different densities. The sponge inside the sofa will be related to the sitting feeling of the sofa. The quality of the filled sponge also affects the life of the sofa.
(1) Cut out sponges of different shapes according to the shape of the sofa.
(2) Wrap the sponge around the outside of the sofa frame.
Coat cutting and sewing
The sofa you see, each face is a board, which is called the leather board, and the leather board is placed on the cowhide to draw, pay attention to avoid the unqualified skin. Start cutting later.
It is also possible to use a blade to draw, of course, if it is a cloth, you can use electric scissors, and you can cut multiple layers at a time.
After cutting the skin, the sofa cushions, armrests, backrests, and sorting are packaged so that the next "sewing" can be smoothly and efficiently produced.
Sewing, flat car, the cut leather, piece by piece, sewing this process is very important, related to the appearance of a set of sofas.
Pressure line
Single-needle car pressing line, single line and double line need to be pressed to the margin of 5 mm, the line is symmetrical, straight and clear, and the rule is uniform.
Pressure line. The double-needle car presses the line and stacks the fabrics at the junction of the flat cars. The double-needle cars will be stacked and sewn together. The same is true for the entire coat making process of the fabric sofa. However, the cloth cutting will be easier than cutting the skin. But it is the same for skilled workers.
Transfer to the trick
Put the sewn sofa holster or cloth cover on the sofa. Fix the gun according to the proper positioning of the sofa. Cloth sofas need to be equipped with zippers and other hardware. After these processes are completed, you can see such a leather sofa...
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