一阶段管承口胶座制作工艺的改进我厂于１９９２年１１月建成了生产口径８００—１６００ｍｍ的一阶段管生产线。生产时．承口座胶环与钢板底座脱离，影响了成型质量，造成了较大浪费。１９９３年，我们进行了粘结技术的改造，至今已生产水管６０多公里，效果不错。现介绍... One stage tube socket plastic production process improvements I plant in November 1992 completed the production of a diameter of 800-1600mm stage tube production line. Production time. Socket seat ring and steel plate from the base, affecting the molding quality, resulting in greater waste. In 1993, we carried out the transformation of the bonding technology, so far it has produced more than 60 kilometers of water pipes and the effect is good. Presently introduced ...