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The main types of injection molding
1. Rubber injection molding: Rubber injection molding is a production method that directly injects rubber material from the machine barrel into the mold for vulcanization. The advantages of rubber injection molding are: although it is an intermittent operation, the molding cycle is short, the production efficiency is high, and the embryo preparation process is canceled. The labor intensity is low, and the product quality is excellent. 2. Plastic injection molding: Plastic injection molding is a method of plastic products that uses pressure to inject molten plastic into plastic product molds, and then cools them to form various desired plastic parts. There are mechanical injection molding machines specifically designed for injection molding. The commonly used plastics currently include polyethylene, polypropylene, ABS, PA, polystyrene, etc. 3. Injection molding: The resulting shape is often the finished product, and no further processing is required before installation or use as a finished product. Many details, such as protrusions, ribs, and threads, can be formed in one step of injection molding.
2023-06-08
Fundamentals of Injection Molding Process
The purpose, operation, and results of temperature, pressure, speed, and cooling control How the adjustment of injection molding machine settings affects the process and quality ● Optimize screw control settings ● Multi stage filling and multi stage pressure control; The Influence of Crystalline, Amorphous, and Molecular/Fiber Alignment on Process and Quality The influence of internal stress, cooling rate, and plastic shrinkage on the quality of plastic parts ● Rheology of plastics: how plastics flow, align, and change viscosity, shear and molecular/fiber alignment relationships The relationship between the pouring system, cooling system, mold structure, and injection molding process
2023-06-08
Among domestic kitchen knives, there are mainly stainless steel knives and carbon steel knives: carbon steel knives, commonly known as "iron knives" by ordinary people, have high sharpness but are easy to rust and difficult to handle. Stainless steel knives are based on carbon steel knives, with the addition of elements such as chromium, molybdenum, and vanadium that are rust resistant and corrosion-resistant. Therefore, the appearance is cleaner, more beautiful, less prone to rusting, and easier to handle. The sharpness of high hardness steel, such as 8 chromium, 9 chromium, Damas, and even exceeds that of carbon steel knives. There are many types of kitchen knives, in addition to knives designed for various purposes, they can also be divided into Chinese style kitchen knives, Japanese style kitchen knives, and foreign style kitchen knives. Japanese kitchen knives are usually used in conjunction with cutting boards, which can prevent damage to the cutting edge after cutting the ingredients. Most Western style kitchen knives can be directly used on the cooking table. A kitchen knife is a prohibited item for Beijing rail transit and cannot be carried on subway, urban rail, or other transportation vehicles. Chopper: Used for chopping and chopping meat, as well as chopping bones into small pieces. The blade is thicker and heavier. Slicing knife: Suitable for shredding meat, slicing fruits and vegetables. Fruit knife: Cut fruits and smaller foods. Sawtooth knife: suitable for cutting fruits with high moisture content.
2023-06-08
Warmly congratulate Jiangsu Zhonglihe Metal Technology Co., Ltd. on its website launch!
Warmly congratulate Jiangsu Zhonglihe Metal Technology Co., Ltd. on its website launch! Thank you for your continuous support and attention. We sincerely look forward to working with you to create a better tomorrow together!
2023-06-08
Jiangsu Zhonglihe Metal Technology Co., Ltd.
Address: No.6 Plant, No.62 Shengde Road, Tongzhouwan Liandong Development Demonstration Zone, Nantong City, Jiangsu Province
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