How to Reduce Attrition of the Sand Making Machine

The sand making machine is a common casting machinery and equipment. Since the sand making machine has large crushing ratio and high-speed rotation, the attrition faults of the wear parts is frequent, which will cause frequent repair of the machine. Among the various wear pars of the sand making machine, the failure time for the attrition of the plate hammer is the shortest and the attrition cost is the highest. Therefore, reducing the consumption of the plate hammer is the key issue to solve the attrition of the plate hammer.
The factors that affect the consumption of the plate hammer of the sand making machine are the followings.
The first is the line speed. The line speed is the parameter which has the greatest impact on the attrition of the plate hammer of the sand making machine, because the size of the line speed directly affects the size of the impact energy and the size of the ratio. The line speed also plays a decisive role in the particle size of the product. Too great line speed will cause that the material can not enter the impact area so that there is severe attrition between the materials and the plate hammer.
The second is the processing capacity and the discharge gap. When the processing power of the sand making machine increases, the product size will be thicker and the crushing ratio will become small. Then the unit attrition consumption of the board hammer will also reduce. Similarly, changing the size of the discharge gap can also change the particle size of the products to some extent.
The third is the nature of the materials to be broken. The effect of the materials to be crushed on the sand making machine includes the nature of the materials, the feeding granularity and the moisture content of the materials.
How to reduce the attrition of the plate hammer of the sand making machine?
First, we should reasonably choose the parameters. Choosing a reasonable line speed is very important. To this end, we should reduce the line speed of rotation of the rotor as much as possible.
Second, try to improve the wear resistance of the material of the plate hammer. The data has indicated that the chromium-molybdenum alloy steel, high chromium cast iron can be used as perfect materials for casting the plate hammer.
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