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What are the casting processes of the crusher shaft copper sleeve

【概要】Sand casting copper bushing for crusher shaft. Sand casting is the most primitive casting method. It has a history of thousands of years.

What are the casting processes of the crusher shaft copper sleeve

【概要】Sand casting copper bushing for crusher shaft. Sand casting is the most primitive casting method. It has a history of thousands of years.

Information

1. Sand casting copper bushing for crusher shaft. Sand casting is the most primitive casting method. It has a history of thousands of years. Sand casting equipment is simple, labor-intensive, and the environment is poor. The cast copper sleeve is prone to trachoma and pores, shrinkage Pine and other defects, generally only small-scale production workshops are still using this process to produce copper sleeves.

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2. The copper sleeve of the crusher shaft is cast by metal mold. The metal mold is made of steel mold, which is usually static casting. The copper sleeve of metal mold casting is relatively standard in appearance and size. Because it is static casting, it is easy to produce pores, shrinkage, For a series of quality problems such as ballast inclusions, the qualified ratio of products is relatively low, so this method is rarely used.
3. Precision casting crusher shaft copper sleeve, precision casting is also called investment casting: it is to select suitable investment material to make investment pattern, then melt the investment pattern to obtain cavity, and then cast copper sleeve, precision casting copper sleeve The advantages are relatively high precision and less machining allowance, but the process is complicated, the cost is high, the internal quality is not stable, and there is a certain proportion of defective products.

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