Types and Advantages of Deep Drawn Parts
What is Metal Deep Drawing Process?
Deep Drawing is a process by which a sheet metal material is deformed into a cylinder or box shape by means of stamping, ring Drawing or metal molding. Deep drawing is usually carried out on the anti-wrinkle plate of the double action press, which can effectively prevents the raised edges from wrinkling when they are pulled into the die. Unlike other drawing processes, the depth of drawing can exceed the original diameter of the billet.
Drawing deep processing (also known as drawing) is a processing method that use deep drawing dies to make a flat blank or a hollow process part into an open hollow part under the pressure of a press. It is one of the basic stamping processes, which cannot only process rotary parts, but also box parts and other thin wall parts with complex shapes.
Deep drawing can be divided into non-thinning and thinning. The wall thickness of each part of the former is basically unchanged compared with the blank before deep drawing. The latter part after deep drawing has a significant change in wall thickness compared with the blank before deep drawing. This thinning is required by the product, and the part is characterized by thick bottom and thin wall. In actual production, the application of constant thinning and deep drawing is more.
The die used for deep drawing is called deep drawing die. The structure of the deep drawing die is relatively simple. Compared with blanking die, the working part has a large rounded corner. And the surface quality is required to be high. The gap between the convex and concave die is slightly larger than the thickness of the sheet.
What Products are Made from Deep Drawing?
Deep drawing technology is widely used in the production process, and deep drawing is used in many industries. For example, it can be used in the production of automotive electronic parts in the automotive industry. It can be used in the production of products in various industrial sectors such as electronics, daily necessities, instrumentation, aviation and aerospace. It also can be used in the manufacture of household products, such as stainless steel kitchen sinks Wait.
Which Materials are Used in Deep Drawn Parts?
The characteristics of deep drawn parts of different materials are as follows:
Stainless Steel Deep Drawn Parts
Stainless steel deep drawing parts have the characteristics of high strength, light weight, good wear resistance, high corrosion resistance, etc. The deep drawing parts of this material do not require electroplating protection. It is suitable for heat treatment and is often used in fuel supply system, brake system, discharge system, oxidation sensor and decorative parts in automobile manufacturing.
Low Carbon Steel Deep Drawn Parts
Low carbon steel deep drawing parts has the characteristics of excellent formability, stable forming dimensions, high strength, light weight, etc(depending on the material grade). The disadvantage is that the corrosion resistance is relatively low, and post-processing protection such as electroplating is required. It is commonly used in various parts of automobile manufacturing, especially the high-strength mechanism parts.
Aluminum Alloy Deep Drawn Parts
Aluminum alloy deep drawing parts are characterized by light weight (almost 1/3 of low carbon steel), high strength, non-magnetic and non-rusting. It can be anodized to prevent corrosion and is suitable for heat treatment, etc. It is commonly used in automobile manufacturing and other industries in bulk units, energy storage units, beverage containers and pharmaceutical industries.
Copper Alloy Deep Drawn Parts
Copper alloy deep drawing parts have the characteristics of stable forming size, anti-corrosion, good ductility, and easy welding. The disadvantage is that it is easy to oxidize. Because the price of copper alloy material is relatively expensive, in terms of material utilization, it is necessary to reduce waste. Waste materials can be recycled if necessary.
What are the Advantages of Deep Drawn Parts?
Compared with the general stamping process, the deep drawing stamping process has four advantages as follows:
High-end Quality
The quality of deep drawing stamping parts is well known throughout the industry.
Because it will have mold manufacturing and help in processing, the shape or size of the processed products are very accurate. Moreover, in the production process of the mold, its service life is also very long, so the quality of the deep-drawn stamping parts produced is high-end in the market.
Range of Application
The size of each deep drawing stamping part is different, and the size produced is very accurate, which can be used in our daily life and industrial production. For example, the deep-drawn stamping parts are existed in household electronic equipment, automobile manufacturing, and watches, so this configuration is used in many places.
Simple and Efficient
In the overall control of the process, each step in the production of deep drawing stamping parts is controlled like an assembly line. So the operation complexity of the personnel is much simpler than the general stamping method. The maintenance of equipment has become more comfortable, and the performance of deep drawing stamping parts has been improved, especially the sealing and internal strength has a good performance.
Energy-efficient
Energy saving and environmental protection are the advantages of deep drawing stamping parts, which mainly comes from its special manufacturing process. In the process of processing, many materials will be used reasonably. It does not require too much energy consumption, which not only saves energy but also saves production costs. Therefore, it can improve the efficiency of many industrial production. Also it pursue the energy saving and environmental protection in the modern society.
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