Wear Parts & Wear resistant Material in ball mills

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Wear Parts & Wear resistant Material in Mills


 

The equipment in the grinding installations therefore will have to be protected with sufficient wear resistant materials for two different reasons 
In order to protect the equipment from     damage and decay.-
In order to maintain maximum output at optimum operating conditions-.
Nature of Wear in Ball Mills
Grinding in ball mills takes place by lifting the grinding media charge and the material to be ground followed by a return to the bottom part of the mill tube In this continuous cascading movement.
The material quality of the wear parts in a ball mill must therefore partly be resistant to over hammering without cracking, and partly withstand abrasive wear.





Wear Resistance Cement Mill Grinding Ball In Carbon Steel
A. Chrome Alloyed Ball Mill Liner Plates
C. High Manganese Steel Ball Mill Liner Plates
B. Chromium-Molybdenum Alloyed Ball Mill Liner Plates
C. High Manganese Steel Ball Mill Liner Plates

- Cast grinding ball mill liner, Mill liner plater, Ball Mill wearing plater, wear plate
High manganese steel ball mill liner plate in general refers to a kind of casting steel with the Mn content at 11-14%, the carbon content at 0.9-1.5%, mostly higher than 1.0%. Under low impact load, can achieve HB300-400, high impact load, can achieve HB500-800 Different impact load, the surface hardening layer depth can be up to 10-20 mm. Hardened layer with high hardness can resist impact and reduces abrasive wear. Under the condition of strong impact abrasive wear, high manganese steel has excellent wear resistant performance, so it is widely used in Mining, Building Materials, Coal industries as wear-resistant parts. But, under the condition of low impact load, the characteristics of high manganese steel can't display due to the strain hardening effect is not obvious




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Mechanical Elements of tubes Mills For Cement industry

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صورة
Mechanical Elements of tubes Mills For Cement industry The course include  Introduction -  Nature of wear in ball mills -  Influence on lifetime for wear parts - A- Influence from material to be ground  B- Influence from lining thickness  C- Influence from lining shapes and surfaces  The mechanical elements of a tube mill can roughly be subdivided into internal and external parts.  The mill internals have a direct function with regard to the grinding process and include principally the wear parts of a mill such as mill liners, diaphragms and grinding media. The external parts of a standard tube mill consist of mill shell, mill heads, mill bearings, feed and discharge equipment and include also the mill drive. In the following the external parts of the tube mill are described under special consideration of the process technological aspects. The mill internals are described in separate chapters. The feed devices have to fulfill the following functions Continuous flow of material into mil
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