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    精密钢管厂大口径改小口径技术

    2015-10-12 11:20:20      点击:

    大口径精密钢管改拔小口径精密钢管技术

    大口径精密钢管改拔成小口径精密钢管一般都是客户采购小口径精密钢管数量有限,先做不够吨位,厂家不够加工费,换一套模具要赶上客户采购小口径精密钢管的价格,在这种条件下,在聊城产生了冷拔加工厂。

    大口径精密钢管改拔小口径精密钢管,主要看多大口径改拔小口径的,如果两个相近的口径精密钢管改拔,直接就可以在机器上定径加工成成品,如果口径相差很大,就需要改拔多次,还必须改?#25105;?#27425;退一?#20301;穡?#22914;果不退火,管子就会变形,改拔出来效果很不理想。

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