What are the processing methods for centrifuge impellers?
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1 Are the processing methods limited to overall milling and milling + welding only? Are there any other methods? 2 First, are the machining methods for open impellers and closed impellers the same? 3 Which types of impellers are suitable for full milling, and which ones are suitable for milling + welding?
Another method for manufacturing impellers is casting as well
There is also electrical spark erosion; if the impeller width is too small, overall milling cannot be used
Currently, in China, the processing of impellers, especially those used in compressor units, is generally carried out through overall milling. For closed impellers with narrow flow channels, a combination of milling, welding, and manual grinding is required for processing. Of course, abroad, electro-erosion machining has been used for closed impellers with narrow flow channels for many years already.