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Topper interactive online quotation system provides instant quotes for plastic mold making, injection molding, CNC machining and die casting.
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The Characteristics and Advantages of Stamping
- Posted: 08/10/2021 02:08:08
- Hits: 17
Stamping is also known as sheet metal stamping, which is a kind of plastic processing technology, and the processing object is mainly sheet metal. Its working principle is to use a press to press the mold to force the sheet material to undergo physical deformation at a room temperature...
Plastic Shell Materials and Processing Technology for 5G Mobile Phones (Part Two)
- Posted: 07/07/2021 10:07:54
- Hits: 18
PC injection molding In the evolution of the non metal mobile phone case, the plastic case has been upgraded with 3D imitation glass technology. Among them, the PC injection back cover and the middle frame integrated body stand out even more, that is, the integrated Unibody. The raw material is...
Plastic Shell Materials and Processing Technology for 5G Mobile Phones (Part One)
- Posted: 06/21/2021 02:06:14
- Hits: 30
With the advent of the 5G, the demand for metal phone back cover has become less. Because of the massive MIMO technology adopted by 5G, a large amount of antennas need to be added to the phone, and metal will shield and interfere with the signal. The back cover of the phone not made of metal...
The Reason Why These Materials Are Preferred for Car Lights
- Posted: 06/03/2021 04:06:23
- Hits: 1220
Usually, car lights consist of reflectors, housings, lenses, electronic circuits, and installation accessories. PMMA, PC, ABS, and PP are the main materials used for car lights in China. 1. Why is the lamp housing made of plastic? There are many reasons for this. Plastic is more elastic than...
Optimization of Stamping Process for Automobile Structural Parts (Part Two)
- Posted: 05/20/2021 11:05:51
- Hits: 17
The inner plate of the upper beam of the water tank of a certain project is shown in Figure 4. When the initial digital model (see Figure 4a) is produced in the selected stamping direction, there is a certain negative angle, and the production process cannot be realized. After the side angle of...
Optimization of Stamping Process for Automobile Structural Parts (Part One)
- Posted: 05/13/2021 10:05:25
- Hits: 13
Abstract: The design of automotive structural parts is a process of continuous improvement and optimization. After the product information is sent to the process department, the process engineer needs to analyze the forming characteristics of the parts, final quality of the product, the...
Applications of Polypropylene in Automotive Exterior Products
- Posted: 03/26/2021 02:03:47
- Hits: 85
PP used in automotive parts PP (polypropylene) is a polymer formed by free radical polymerization of propylene monomer. It is non-toxic, odorless and tasteless, which belongs to a crystalline material with great shrinkage and unstable dimensions. Polypropylene is the most used...
Solutions to Defects of Plastic Injection Molding Parts
- Posted: 02/25/2021 09:02:55
- Hits: 25
Solutions to gas holes 1. Adjust molding conditions to improve fluidity. For example, increase the resin temperature, mold temperature, injection pressure and speed. 2. Adding an exhaust groove and setting a push rod at the place where the weld is generated is also conducive to exhaust. 3. Minimize...
The Defect Analysis of the Typical Automobile Injection Molding Part and Its Solutions
- Posted: 02/15/2021 03:02:55
- Hits: 14
The amount of plastics used in automobiles has become an important indicator of the level of automobile design and manufacturing. At present, about 10% of the materials in China’s automobiles are made from plastics, ranging from bumpers, fenders and other accessories, dashboards, door panels,...
Topper is a professional plastic mold manufacturer in China, our injection molding service covers all walks of life, including medical, electronics, auto parts, appliance, etc.
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