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Why to remove scale? 

In the forging production process, the metal blank need to be heated to high temperature, steel react with oxygen on the billet surface, which will generate a layer of scale.If it can’t be removed before forging production, some pits may occur on the surface, which not only affect the appearance quality, but also reduce local strength, if these pits appearing on machined parts of forging, will also reduce machining allowances, and have the risk of processing scrap. 
 
With the development of process technology in equipment manufacturing and vehicle manufacturing, especially automotive parts require a large number of die forging work-pieces, their weight is getting smaller and smaller and highly dependent on energy efficiency and material utilization. In addition to mechanical properties and process requirements, increasingly stringent surface quality requirements are also the focus. The removal of oxide scale on forgings has become an important issue. 

Means of removing the scale

(1) Tapping on the forging equipment and using metal deformation to remove the scale can help reduce the production pace;
(2) Scale removal device. The scale generated on billet surface during heating process is removed before forging production.The use of position adjustment bolts and scraper replacement can be widely adapted to various shapes and sizes of blank.In addition, the blank of different materials can be removed by replacing the preset torsion spring.  

The principle of our hot billet scale cleaner 

High-pressure water descaling. In the world of forging, high-pressure water descaling (removal of oxide scale) is already an important process in forging manufacturing (especially hot die forging). It improves the quality of forgings and reduces the prefabricated dimensions of blanks and reduces die wear. It greatly reduces the difficulty of subsequent processing and the amount of machining, which directly or indirectly reduces a lot of production costs for enterprises. 

Advantages of scale removal device:

(1) Stable equipment performance;
(2) Long service life;
(3) Reduce the labor intensity of operator;
(4) Good effect of removing scale and fast speed;
(5) Automation working, and connecting with forging production line is easy. 

Comparison of Hot billet scale cleaner before and after use

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清洗前后对比图 (5).jpg
 
清洗前后对比图 (2).jpg
 

Hot billet scale cleaner working video:

 
 
 
 
 

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