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随着水泥工业和磨矿工业的发展，大型磨机的规格越来越大。目前世界上投入运行的大型球磨机规格已达6．25×25m，装机功率达11ZOOkW。随着近几年的改革开放政策，我国引进设备既满足了现代化生产的需要又促进了生产技术的进步，促使国产磨机及其传动装置形成了日趋大型化的趋势
With the development of the cement industry and grinding industry, the specifications of the large mill are getting bigger and bigger. Currently put into operation in the world of large ball mill specifications reached 6.25 × 25m, installed power of 11ZOOkW. With the policy of reform and opening up in recent years, the introduction of equipment in our country not only meets the needs of modern production but also advances the production technology, and has led to the trend of increasingly large-scale domestic mill and its transmission devices