40公斤二工位热芯盒射芯机是我厂主要制芯设备之一,发动机缸体等主要铸件的砂芯都由它射制的,在调试生产中发现该机存在一些问题。几年来,在厂党委的领导下,经三结合小组的长期攻关,先后作了几次改进,使设备故障大大减少,为稳产高产创造了有利条件。同时,设备动作加快了,空运转一个循环仅需 40kg two-station hot core box core shooter is one of the main core making equipment in our factory. The core of the main castings such as engine block are shot by it. There are some problems in the debugging and production. Over the past few years, under the leadership of the factory party committee, the long-term tackling of the three combined groups has made several improvements in succession, greatly reducing equipment failures and creating favorable conditions for stable and high-yielding projects. At the same time, equipment moves faster, air circulation only need a cycle