As one of the important industries in the modern science and technology industry, tablet PCs have formed a significant impact on the traditional computer industry, and the development potential is generally favored by the industry. In addition to international first-tier manufacturers, more and more traditional DIY and digital manufacturers in China have begun to transform their production of tablet PCs, which further lowers the threshold for mass consumer tablets. Although there are many flat products on the market at present, there are three main types of product molding: injection molding, stamping and CNC molding. Below, we may wish to understand the advantages and disadvantages of these several production processes. 1. Injection Molding Injection molding is a molding method widely used in the production of industrial products. The products are usually molded with rubber and plastic. In the production process, thermoplastic molding or thermosetting materials are molded into plastic products of various shapes by using an injection molding machine using a plastic molding die. In this process, many details, such as bosses, ribs, and threads, can be formed in one injection molding operation, and the resulting shape is often the desired final product.
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In terms of materials, injection molding is mainly divided into two types: rubber injection molding and plastic injection molding, and all of the tablet computers are molded using plastic. Plastic injection molding is to inject molten plastic into a mold of a plastic product by pressure, and to form a variety of plastic parts by cooling molding. The most commonly used plastic at present is polystyrene.
In high-volume industrial production, injection molding has the characteristics of low cost, short cycle, etc., and because this process has been used in large scale in industrial production, the process matures at low cost, and many domestic low-cost tablet computers use this. The scheme is used for appearance molding, which is the flat plastic back cover molding solution that we usually see most. 2. Stamping and stamping Forming refers to the application of external force to plates, strips, tubes and profiles by presses and dies to plastically deform or separate them, thereby obtaining the forming of workpieces (stamping parts) of the desired shape and size. method. This process is a molding process carried out in a cold state and is therefore also referred to as cold stamping. The mold used for stamping is called a stamping die, or a die for short. Dies are special tools for batch processing materials (metal or non-metal) into the required punches. Dies are very important in stamping. There are no dies that meet the requirements. Batch stamping production is difficult to carry out; without advanced dies, advanced stamping processes cannot be realized. The stamping process and the mold, stamping equipment and stamping materials constitute the three elements of stamping processing, and only when they are combined with each other can the stamping parts be obtained.
On the basis of the use of precision molds, the stamping process can be used to achieve workpiece accuracy to the micron level. Moreover, due to the high repeatability and uniform specifications of the stamping process, it is possible to punch out the holes, the bosses, etc., and only a small amount of cutting processing is required to form the final shape.
In practical applications, the body, chassis, fuel tank, radiator plate of the automobile, the steam drum of the boiler, the casing of the container, the iron core silicon steel of the motor and the electric appliance are all stamped and processed. There are also a large number of stamping parts in instruments, household appliances, bicycles, office machinery, living utensils and other products. The more typical Toshiba AT270 tablet computer is an integrated stamped aluminum alloy back plate, which is impressive in its overall metallic texture. Third, CNC molding From the recently listed Colorfly U781 Q1 this product, we began to understand the concept of "CNC". CNC is commonly known as "CNC machine tool". I believe many people have heard of this concept. It is an automated machine tool controlled by a program. The control system can logically process a program having a control code or other symbol command specification, and decode it by a computer, thereby causing the machine tool to perform a prescribed action, and the blank material is processed into a semi-finished finished part by tool cutting.
The advantage of CNC machine tools is that it solves the complex, precise, small batch, multi-variety parts processing problem. It is a flexible and high-performance automatic machine tool, which represents the development direction of modern machine tool control technology. Compared with ordinary machine tools, CNC machine tools have high adaptability, high machining precision, and can process parts with complex shapes, which can save production preparation time, high productivity (3 to 5 times that of ordinary machine tools), high degree of automation, and reliability. Higher advantage.
In practical applications, CNC forming technology combined with metal materials can create more stringent product precision and bring better texture. Therefore, consumer products using this technology will generally appear in a more high-end manner, a typical case. There are mobile phone products under the Mobiado brand. The aforementioned Colorfly U781 Q1 tablet computer also uses the CNC manufacturing process, combined with fine aluminum material to create a fine matte back shell, which can bring a seamless appearance and touch feel experience.
From a cost point of view, CNC forming technology is more expensive than traditional injection molding or stamping, and each finished product is carefully crafted. At present, CNC forming technology is also used in the production of precision parts in the aerospace and racing industry. The incredible accuracy and precision of up to 0.001mm make the products formed by this technology more high-end. Summary: The several molding methods mentioned above are more common in the current production of tablet computers. Due to factors such as cost, the molding methods used by different products of different manufacturers will be different, and the overall experience brought to the users will be different. In contrast, injection molding has the lowest cost and is the most common use, while CNC molding has higher cost and relatively less use. CNC technology can bring a more refined product appearance and texture, which is conducive to creating a "fine" product route. As consumers' demands for experience and workmanship continue to increase, this technology will surely be adopted by more and more tablet devices, and will eventually become popular.
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