There will be two major trends in the development of heavy machine tools. On the one hand, the development direction is technically based on processing bases or large flexible processing units and large-scale composite processing machine tools. During this time, horizontal boring machine processing will gradually be replaced by high-speed processing bases and flexible processing units; The large-scale combined composite processing base is mainly composed of two or more mainframes to form a composite processing machine. It is used to produce small batches of large-scale processing parts in a single piece. The skills are messy, and the time and processing cycle are long. It is difficult for a machine tool to complete all processing procedures, and it can be completely completed by two combined processing bases. For example: two CNC gantry boring and milling machines form a composite processing base, and share the bed and guide rails, respectively with a rectangular table and a reversing table (indexing) to perform boring and milling; a floor-type milling and boring machine Machining and a NC single-column vertical car constitute a large-scale composite processing base, sharing the bed rail, with a floor channel and a reversing table, which can complete the turning, boring, milling, drilling and other processing. There are also many combined methods such as two large floor milling and boring machines sharing bed rails. This saves floor space, reduces costs, and improves processing efficiency. Another development trend is to pursue refined production, improve the skills of equipment production, and express the characteristics of machine tool safety, environmental protection and humanization.
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