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我们铸造分厂配砂车间的主要设备是苏制115型(相当于国产SZ124型)摆轮式混砂机。这种设备结构复杂,操作不便,易损件多,维护和检修都很困难,特别是生产效率低,成了生产中的薄弱环节。为了适应生产发展需要,我们曾将混砂周期由60秒减为27秒。但是型砂质量较差,严重影响铸件的产量与质量,成为生产上的“瓶子口”。在批林批孔运动的推动下,车间党支部破除迷信,解放思想,率领广大配砂工人、技术人员、攻关队员坚持技术改造,立足挖潜,开展了“向‘洋’设备开刀、改造‘115’”的战
We foundry factory with sand main plant equipment is the Soviet Union 115 (equivalent to domestic SZ124 type) balance wheel mixer. Such equipment is complicated in structure, inconvenient in operation, has many wearing parts, and is very difficult to maintain and overhaul. In particular, the production efficiency is low and has become a weak link in production. In order to meet the needs of production development, we have reduced the sand mixing cycle from 60 seconds to 27 seconds. However, poor sand quality, seriously affecting the production and quality of castings, a production of “bottle mouth.” Driven by the pro-Lin Pok campaign, the party branch of the workshop, breaking away from superstition and emancipating the mind, led a large number of sand-grading workers, technical personnel and research personnel to persist in technological transformation and set foot on tapping potential to carry out the operation of “repairing and rebuilding foreign equipment”. ’"War