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Descaling machine importance in hot forging production
Nov 01 , 2023

Descaling machine importance in hot forging production

Today we will talk about the forging descaling machine which has been widely used in hot forging lines.

Forging is one of the basic processes of machinery manufacturing industry, an important material and technical basis for research and development and production of various mechanical equipment, and an indispensable process for manufacturing key parts and important parts of mechanical products. Under the new situation of global economic integration, the pattern of manufacturing industry in the world has changed. With the development of equipment and vehicle manufacturing, the requirements for the performance of forgings are getting higher and higher, and the requirements for surface quality are also getting stricter and stricter. The scale removal problems for forging parts has become an important topic in front of forging enterprises and find an effective scale descaling method has become a difficult problem for them.hot forging descaling machine

Forging production has been involved in various fields of national economy, national defense industry and social life. In the industrial sectors such as automobiles, railways, rolling stock, electric power, petrochemical, coal, metallurgy, aviation, aerospace, ships, weapons and machinery, all industries are plagued by scale.

Influence of oxide scale on forging production

1. As a result of the influence of oxide scale, the size of the blank needs to be increased, which also increases the cost.

2. As we know, the most forge scales are generated during induction heating process. The scale produced by the heating furnace directly affects the machining quality of the forging surface. Our descaling machines are mainly devoted to solving furnace scale problems.

3. During the hot forging process, part of the oxide scale will be squeezed into the forgings, which will increase the amount of subsequent machining and even cause waste products.

4. When the heated blank is forged and inevitably moves in the die tool, the scales will adhere to mould surface and this is negative for the surface of the die tools. If the oxide scales are not removed they will obviously increase the surface wear of abrasive tools and reduce the die service life. Forge scales will also cause the wear of forging equipment and reduce the efficiency of equipment use;

5. To a great extent, the workload of the subsequent cutting process is increased which will increase the production cost. Furthermore, the forging scale is sometimes very hard. It will be rolled into forging surface if not removed before die forging. Pits with different depths will be formed which will cause uneven surface. So a large margin must be left to ensure the forging surface quality in the subsequent machining process.

Significance of high pressure water forging descaling machine for forging parts

High-pressure water descaling technology mainly uses the effects of thermal change, impact, vibration and erosion caused by high-pressure water jet on the surface of forging blank. Under the injection of high-pressure water, the scale on forging blank surface is locally quenched and rapidly contracted, thus expanding the crack of scale and partially warping it, and the deformed scale is easily broken under the impact of high-pressure water jet. High-pressure water enters between the iron scale and the forging blank to generate a water wedge, which plays the role of peeling off the iron scale. At the same time, the water entering between the iron scale and the forging blank will explosively evaporate into steam at high temperature, accelerating the separation of the iron scale; The residual flow of water jet will clean the broken and peeled iron scale from the surface washing of forging blank, and realize the scale descaling on the surface of forging blank.

If you have any interests in learning more about our forging descaling machine details please do not hesitate to contact us and leave a message on our website: www.descalingtech.com


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