Metal stamping technology has been widely used in industrial production, and it is more and more popular in people’s life. A professional product manufacturer needs to understand and master the principle and process of stretch forming in order to produce high quality referring products.
Today, we will explain the deep drawing manufacturing process of making metal cups.
First of all, we need to know that the metal stamp drawing process includes drawing processing, and redrawing processing, reverse drawing, refining and drawing processing.
Redrawing processing technology is that for deep drawing products that cannot be completed by one stretch processing, it needs to be stretched twice or repeatedly after stretching processing to increase the depth of forming containers. For example, e-cigarette tubes popular in recent years are manufactured using this technology, and the redrawing process is also used in the production of mug.
Popular pint cups range from 4 to 18 ounces. They need three times of stretching in the manufacturing process. After stretching, the products can neither wrinkle nor break, which has high requirements for mold design, manufacturing accuracy and mold surface coating process. We know that the cost of manufacturing depends on the quantity produced. The cost is big difference between 10pcs mugs and 10K, but it is not obviously between 10K and 100K.
If our requirement is 1000K, how to further reduce the manufacturing cost from the process? This is a very challenging subject. After our in-depth study and repeated attempts, the high precision deep drawing multi-station press feeding technology can perfectly reduce 30% of the manufacturing cost of the stainless steel cups. This process can basically realize fully automated production, the principle is to centralize the molds on a large pneumatic stamping equipment, usually 400 tonnages, to add a pressure feeder which would pick up the parts to the next station. eventually realized fully automatic production process. Of course, the trimming process and curling process can also be automated through the conveyor belt and mechanical arm, and finally realize fully automatic production.
The most problem is that it takes 3 days to adjust the mold. We believe that with the application of digital control technology, this problem will be solved soon. Dongguan Dongshang hardware products Co., Ltd. is committed to metal stamping, metal deep drawing technology for 25 years. We have built an outstanding reputation through its product function innovations and cutting-edge manufacturing processes.
To learn more about the technology's parameters and video progression.
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