1. Double duty machine of core and mould 2. simple control 3 ... diameter 50-3000mm,with the allocation of highly-accuracy lathe bed, splint and splint-driven system, it can trim the ... pipes and also manufacture the moulds,by this way, the double-duty utilization is realized, which ca n save a lot ... we can manufacture the products according to customer’s drawings. Double duty machine of core and mould