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CA6140 车床 托架 加工 工艺 夹具 设计 831001 CAD 图纸

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南京理工大学泰州科技学院毕业设计说明书(论文)作 者:万小强学 号：0501510136系部:机械工程系专 业:机械工程及自动化题 目:CA6140车床后托架的加工工艺及夹具设计张少文 助教路建萍 工程师指导者： 评阅者： 2009 年 6 月毕业设计说明书（论文）中文摘要现代机械加工工艺的水平有很大的提高，但是相对于先进国家的机械水平还有一定的距离。机械加工工艺是实现产品设计，保证产品质量，节约能源，降低消耗的重要手段。本课题研究CA6140车床后托架加工工艺规程和夹具设计。首先通过对零件图的分析，了解工件的结构形式，确定零件的材料，明确了具体的技术要求，从而对工件各组成表面选择合适的加工方法。再拟订较为合理的工艺规程，对零件进行加工。最后对所用夹具进行设计，通过定位基准的选择，切削力与夹紧力的计算，误差分析与计算，最终确定所用夹具。关键词 车床后托架 加工工艺 夹具设计毕业设计说明书（论文）外文摘要Title Machine Process and Fixture Design of CA6140 Lathe Back Bracket Abstract Modern level of the machining process has greatly improved, but compared to the level of advanced countries in the machinery must also distance.Machine-finishing craft realizes the product design, guaranteed the product quality, saves the energy and reduces the consumption the important method. CA6140 lathe of the research process after the bracket a point of order and fixture design. First of all parts diagram of the analysis, understanding the structure of the form of the work piece to determine the parts of the material, defined the specific technical requirements, and thus the composition of the surface of the work piece to choose the appropriate processing methods. Then the process to develop a more reasonable point of order, of parts for processing. Used in the final fixture of the design, positioning the base through the choice of cutting force and clamping force calculation, error analysis and calculation, and ultimately used to determ