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1、设计1毕 业 设 计题 目：犁刀变速箱壳体双面粗铣组合机床铣削头设计论文2摘 要此次我所设计的课题是犁刀变速箱壳体双面粗铣组合机床铣削头设计,所需完成的任务是机床总体设计变速箱设计。我根据犁刀变速箱的整体设计、以及他的生产位置、生产效率等,生产效率等因素,通过组合机床的一些零部件尺寸和机床的切削量确定通用部件。我设计的课题是铣削头设计,采取的定位方式为“一面两销,先是装夹变速箱两侧面,确保其精度要求,然后计算其夹紧力,最后确定其专用部件。在设计过程中,应尽量节约材料,控制成本,避免浪费。我此次设计的课题,所达到的效果就是跟世市面上的铣削头不一样,更能符合市场需求,方便使用和维修。关键词：专用机
2、床；变速箱箱体；夹具；设计设计3AbstractThis time I designed the task is the plow knife gearbox shell double-sided rough milling machine milling head design, the required task is to complete the design of the overall gearbox design. I determined the general components according to the overall design of the plow gea
3、rbox, as well as his production position, the production efficiency, the production efficiency and other factors, through the combination of some parts of the machine size and machine tool cutting. I design the subject is the milling head design, take the positioning method for the one side two sale
4、s, first clamping the two sides of the gearbox to ensure its accuracy requirements, and then calculate the clamping force, and finally determine its special parts.In the design process, should try to save materials, control costs, to avoid waste. I designed the subject, the effect is achieved with t
5、he worlds milling head is not the same, more in line with market demand, easy to use and maintenance.Key words: Special machine tools；Gear box；Fixture；Design论文4目 录摘 要 .2ABSTRACT.3目 录 .41 绪论 .51.1 毕业设计的目的 .51.2 专用机床概述 .61.2.1 专用机床工厂制度的转变及产品结构变化 .61.2.2 专用机床技术装备现状与发展趋势 .61.2.3 设计机床的基本要求 .71.2.4 专用机床较普通机床的优确定 .82 总体方案论证 .92.1 被加工零件分析 .92.2 工艺方案的制定 .92.3 加工设备方案选择 .92.4 确定机床总体布局 .103 切削用量的选择及计算 .113.1 切削刀具的选择 .113.2 切削用量的选择 .123.3 切削力、切削转矩、切削功率的确定 .134 专用机床总体设计 .144.1 被加工零件工序图 .154.2 加工示意图 .164.3 机床联系尺寸图 .174.3.1 动力部件的选择 .
