Simply said that the use of digital control system in the machining machine tool to complete the processing of the whole parts, is a modern mean of processing. The use of NUMERICAL control processing technology can complete a lot of curved parts can not be completed before the processing, and the accuracy and precision of…

Metal casting process mainly has sand casting and special casting two categories. Ordinary sand casting, the use of sand as a casting material, also known as sand casting, foundry, including wet sand type, dry sand type and chemical hardening sand type 3 categories, but not all sand can be cast. The benefit is that the…