Introduction of Bending Process Classification for Plate Furniture

According to the shape of the edges of the finished parts, the sealing technology of the plate furniture can be divided into three categories, namely straight line, manual curve, soft molding and post-molding. The sealing machine can be divided into manual, semi-automatic and fully automatic according to the degree of automation.

1, straight line sealing process
The straight-line sealing process is a method of sealing the edge of the plate that needs to be sealed by applying the hot melt adhesive to the edge of the plate that needs to be sealed, and then attaching the sealing material to it to complete the sealing edge. Commonly used for office furniture and cabinets and other simple shape, the edge of the plate is a straight line of products. The thickness of the edge bar applicable to the straight line sealing machine is generally 0.4-20mm. In addition, the straight line sealing machine can be adjusted according to the product and environment when it is used. For example, if the sealing material such as the PVC sealing bar or the ABS sealing bar is sealed, a scraper device is required: the solid wood sealing bar, It is necessary to add finishing knives and sand light devices; In order to ensure that the quality of the sealing edge is not affected by the low temperature in winter, a far infrared preheating device needs to be used. The straight line sealing machine is also called a fully automatic or semi-automatic sealing machine. In the selection of hot melt glue, medium temperature gum or high temperature gum is usually used for sealing..

2，Manual curve sealing process
The curvilinear sealing process uses a curved line sealing machine to coat the hot melt adhesive on the sealing edge and then manually coat the sealing edge on the end surface of the plate. The curved line sealing machine can process plate parts with curved edges and straight lines, especially those with inner arcs. The working principle of this kind of sealing machine is the same as that of a straight line sealing machine. It is only manually fed. The structure is relatively simple and the production efficiency is low, but the applicability is strong. As it is a manual operation, there are certain requirements for the thickness of the sealing edge. The thickness of the sealing edge used for the curve sealing edge is generally 0.4 ~ 1.5 mm, of which the thin sealing edge bar below 0.8 mm can achieve a relatively ideal effect. When used as a straight line sealing edge, the thickness of the sealing edge can reach 5mm. In addition, the sealing process is greatly influenced by human factors, and the relative quality of the sealing edge is not high, and the bonding strength is often low. In general, manual sealing of the edge also requires further trimming, the situation where the seal strip degumming needs to be heated with the hairdryer and hot melt glue in a timely manner, so that it softens the edge of the plate. In the choice of hot melt glue, the manual sealing machine usually selects medium temperature gum or low temperature gum for sealing.

3, soft forming edge sealing process
Soft forming edge sealing process is suitable for the processing edge is curved edge shape of the plate, the use of soft forming edge sealing machine to cover the edge of the plate, processing a variety of forming edge or different edge. The thickness of the sealing strip for the soft-forming sealing process is about 0.4 to 0.8 mm. At the same time, it is usually required to apply hot melt glue on the back of the sealing strip. It is advisable to use medium and high viscosity and short opening time. This is because after the sealing strip is coated with glue and rubber pressure, it will resist deformation and restore its original state, especially when sealing the end surface with a smaller radius of curvature. When using a short storage time adhesive, this situation is not easy to produce, because the adhesive force produced by the rapid solidification of the adhesive layer is sufficient to offset the healing stress of the seal.

4, post-forming sealing process
The post-molding sealing edge is a product with a specification size greater than that of the plate surface material. According to the shape of the plate edge, it is bent over the edge of the formed plate, and the side edge is wrapped to form a seamless product with the board surface. This is a new technology that is used more often, not only can it adapt to the more complex heterotype edges to achieve aesthetic results. It can also protect the surface and edge of the workpiece(especially under the influence of mechanical stress, thermal stress and chemical stress). The decorative material used in the post-molding sealing process is usually a high-pressure modified Melamine resin laminate decorative plate, commonly used thickness of 0.6-1mm.
The post-molding process is divided into two forms: periodic post-molding and automatic continuous post-molding. The former is carried out according to a certain period, which is a comprehensive process of multiple processes, that is, milling type, the veneer and the edge of the package are carried out separately, and the base material used in the continuous post-molding process is a double-sided veneer or medium fiber plate., processing, The edge milling and post-forming sealing of the workpiece are continuously carried out on the same device. Cyclical post-molding process has a wide range of molding, not only suitable for medium and small furniture enterprises or handicraft workshops, but also for large enterprises to produce single parts in small quantities is extremely economical, but its degree of automation is not high, and the labor intensity is large. Cyclical post-molding process is widely used in China, while continuous post-molding process has high degree of automation, low labor intensity and high productivity, but the processing scope is small and the flexibility is small. Therefore, when choosing which technology to adopt, the enterprise should decide according to the actual situation.

In addition, in addition to the above-mentioned straight edge sealing machine, curve sealing machine and overlay machine, there is also a device with a sealing function, namely the CNC processing center, which integrates the cutting board, the sealing edge, and the perforation, and can simultaneously process the circular arc and the plate of the straight end surface. It is the elite in the modern equipment of plate furniture. This kind of equipment, the requirements for hot melt glue will be relatively higher, Huizhou Yosei Innovation Materials Co., Ltd., complete products, quality and stability, the market reputation is excellent, I believe it will be your reassuring choice!

Huizhou Yosborne Innovation Materials Co., Ltd. has a strong technological R&D force and continuously adjusts and improves products that are more suitable for current use habits according to the actual needs of the market. The advent of each new product can withstand practical use. Various tests and are widely used.