MG132320-W型采煤左牵引部机壳的加工工艺规程及数控编程

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摘要 
采煤机直接用于煤炭的地下开采，是煤炭生产中最重要的机械设备之一。进入20世纪90年代后，随着煤炭生产向集约化方向发展，减员提效、提高工作面单产成为煤炭发展的主流，发展高产高效工作面势在必行。我国是一个发展中国家，改革开放以来，采煤机研发有了长足的发展，尤其国产电牵引采煤机发展速度很快，应该说跟上了世界采煤机发展的方向。机械设备的先进性、品种、质量、可靠性、适应程度以及寿命是衡量一个采煤国家的采煤机技术水平的标准。 
本次设计的主要任务是对MG132/320-W型采煤机左牵引部机壳进行加工工艺规程设计以及数控程序的编制。

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关键字： 采煤机 加工工艺规程 数控程序编制

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Abstract :
Exploit in the mining machine underground used in the coal directly, it is one of the most important mechanical equipment in production on the coal. After entering 1990s, as coal production was developed toward intensification, cut personnel result of proposing , raise working range per unit area yield become coal mainstream of development, it is imperative to develop the high-efficient working range of high yield. Our country is a developing country, since reform and opening-up, the mining machine has researched and developed and got considerable development, domestic electricity draw person who mine develop very fast , should catch up with world direction of development of mining etc. especially. Advance , variety , quality , dependability of mechanical equipment,, intensity of meeting and life-span to weigh one mine coal mining machine standard of engineering level of country. [资料来源：http://think58.com]
The main task that design chassis carry on preparation method rules design and numerical control establishment of procedure to MG132/320-W left person who draw of mining etc.
Key word:
Mining machine Rules of preparation method The numerical control procedure works out [资料来源：THINK58.com]

第一章 绪 论

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一、我国主要煤机装备的现状和水平，改革开放二十多年来，特别近10年来，在原煤炭部、国家煤炭工业局的领导和大力扶持下，我国煤矿机械制造企业经过改革、改组、改造、强化管理和技术创新，煤机产品有了较快的发展，在产品品种、技术水平和质量等方面都有了长足的进步。随着一批具备国际技术水平的采煤机械产品相继开发成功，2000年我国综采工作面平均年产为87.24万吨，比1990年的54.77万吨，提高了约60%。综采装备能力已经达到日产万吨的水平。此外，国产煤机装备还出口印度、俄罗斯、土耳其等国家，取得了较好的经济效益。目前国产煤机装备基本满足了国内煤矿生产建设的需要，部分产品达到了国际九十年代末期水平。主要体现： 电牵引采煤机：已成功开发出