Closed die forging includes a controlled plastic deformation process of alloys and heated metals to achieve the desired shape. Without an appropriate forging die lubricant, effective and economical closed die forging is unattainable.
The life of a closed die forging is affected by many factors. The most common of which is the proper method of application of die lubricant at appropriate intervals. Likewise, the forging result may also be affected by the reduction of friction during the forging process. Friction can sufficiently be reduced by using suitable die lubricants and polished dies.Moreso, proper heat treatment, while the forging process is ongoing, is mandatory. The use of protective anti-scale coating will help reduce scaling on critical surface areas of the material. Lastly, using a correct die material and design can make a difference.
There are numerous types of closed die forging lubricants. Manufacturers often used water with soluble oils, graphite, sawdust, or common salt. The use of these types of lubricants offers several benefits to produce quality forging materials. It is economical, eco-friendly, non-polluting, easy to use, and improve the forging die life and productivity. Aside from using water and other mixes, closed die forging manufacturers also use oil without graphite, special oil with graphite, or furnace oil. These types require no purchase hassles, they are the least expensive, and they can improve your material's die life.
Choosing the right type of closed die forging lubricant will depend on numerous parameters such as complexity of the forging, size, methods of dispensing the oil, pollution control, cost reduction, and depth of die cavity. The selection of the best type will require rigid guidelines and several field trials. Hence, the correct procedure of dispensing the lubricant and appropriate type of oil plays a decisive factor in achieving your desired metal shape.
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