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Hardness of cast steel grits: When the hardness of cast steel grits is higher than that of parts, the change of its hardness value does not affect Cast Steel Grits G18 blasting strength. If the workpiece is too soft and carefully damaged at this time, the power of shot blaster should be adjusted to drop to shot blasting strength. When the hardness value of cast steel grits is lower than that of parts, shot blasting strength also decreases. If the desired effect is not achieved, shot blasting strength can be adjusted appropriately. The power of the shot blaster is used to increase the shot blasting strength.
Coarseness of cast steel grits: The bigger the cast steel grits is, the bigger the kinetic energy of impact is, and the bigger the shot blasting strength is. Therefore, while guaranteeing shot blasting strength, only small cast steel grits should be selected, so that cleaning efficiency will increase relatively.
The impact performance of cast steel grits can be best only in a reasonable range of hardness. If the hardness of cast steel grits is too high, it will be brittle and easy to break. If the hardness of cast steel grits is too low, its impact effect will be poor, shot blasting time and other costs will increase. Therefore, cast steel grits in the appropriate hardness range is the magic weapon to save production costs.
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