How to select shot blasting machine

2023-02-03

There are many kinds of castings, so the shot blasting machine is also different. The following are the general principles for selecting shot blasting machine for castings:
1. Characteristics of castings (size, quality, shape and material, etc.) The size of production batch, the type of castings and the use requirements are the main basis for selecting shot blasting machine;
2. The determination of shot blasting machine shall be considered together with the production process before cleaning. The surface of castings shall be cleaned after sand blasting as much as possible to create favorable conditions for cleaning. When the shot blasting and sand removal process is adopted, in batch production, sand removal and surface cleaning should be divided into two processes, which are carried out on two sets of equipment;
3. Electro-hydraulic sand removal can be used for investment castings with difficult sand removal and castings with complex inner cavity and difficult core removal; For castings with complex and narrow inner cavity and high cleanliness requirements, such as hydraulic parts and valve castings, electrochemical cleaning is convenient to use;
4. For multi-variety and small-batch production occasions, cleaning equipment or two kinds of carrier devices with strong adaptability to casting size should be selected; For production occasions with few varieties and large quantities, efficient or special shot blasting equipment should be selected;

When both dry cleaning and wet cleaning can meet the cleaning requirements, priority should be given to dry cleaning that does not produce sewage; When dry cleaning, the shot blasting machine with high efficiency and low energy consumption should be considered first. For castings with complex surface and cavity, squirrel-cage type, manipulator type and hook type shot blasting machines that can swing or move during cleaning can be selected according to the size and production batch of the castings.



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