The main producing method of centrifugal-casting nodular cast iron tube is "cold mold method". The nodular cast iron tubes produced by "cold mold method" can reach the using requirement only after heat treatment. The traditional anneal furnace of centrifugal-casting nodular cast iron tube has shortcomings such as low productivity,bad effect of heat treatment,etc.
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The present invention provides on-line cold bent steel cutting mold and cutting method, and belongs to the field of plastic forming technology for metal.
本发明提供了一种在线冷弯型钢切断模及其切断方法，属于金属塑 性成型技术领域。
The present invention provides on-line cold bent steel secondary punch mold and punching method, and belongs to the field of plastic forming technology for metal.
本发明提供了一种在线冷弯型钢二次冲切模及其冲切方法，属于金属塑性成型技术领域。
The utility model can be manufactured by adopting the method of one-time forming in mold pasting and cold-molding compression.
该产品的制作可采用模具糊制、对模冷压一次成型的方法。
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