转速器盘零件的加工工艺及夹具设计 摘要 工艺规程是工装设计、制造和确定零件加工方法与加工路线的主要依据，他对组织生产、保证产品质量、提高劳动生辰率、降低成本、缩短生产周期及改善劳动条件等都有着直接的影响，因此是一项关键工作。夹具在机械加工中起着重要的作用，他直接影响这机械加工的质量，生产效率和成本，因此，夹具设计是机械工艺准备和施工中的一项重要工作。本文对转速器盘的结构和工艺进行分析，确定了机械加工工艺路线，制定出了零件的铸造工艺方案和机械加工工艺规程，并为加工零件上钻直径10mm的孔和铣120°的圆弧平面各设计了一套专用夹具。 关键词：加工工艺；工艺规程；夹具设计 Processi
ng Pla
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ni
ng a
nd Fixture Desig
n of Speed Se
nsor Wheel Abstract Process pla
n
ni
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nt desig
n, ma
nufacture a
nd determi
ne the mai
n basis of parts processi
ng methods a
nd processi
ng routes, he to orga
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n, to e
nsure product quality, improve labor birth rate, reduce cost, shorte
n productio
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nd improve worki
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n all have a direct impact, therefore is a key work. Fixture plays a
n importa
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nical processi
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nd productio
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nd cost, therefore, fixture desig
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nt work i
n mecha
nical tech
nology preparatio
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nd co
nstructio
n. Device i
n this paper, the rotati
ng speed of the structure a
nd process a
nalysis, to determi
ne the machi
ni
ng process, make the parts of casti
ng process a
nd machi
ni
ng process pla
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ni
ng, a
nd for processi
ng parts o
n drilli
ng a
nd milli
ng 10 mm diameter hole 120 ° arc pla
ne each desig
n a set of special fixture. Key Words: Machi
ni
ng tech
nology; Process pla
n
ni
ng; Fixture desig
n 目录 1绪论........................................................................................................1 1.1题目背景及研究意义.............................................................................1 1.2国内外相关研究情况.............................................................................1 1.3工艺和夹具设计要求.............................................................................1 2零件分析................................................................................................3 2.1零件的作用...........................................................................................3 2.2零件的工艺性分析和零件图的审查.........................................................3 2.3零件的加工工艺分析..............................................................................4 2.4零件主要技术条件分析及技术关键问题..................................................4 3选择毛坯................................................................................................5 3.1确定毛坯的成形方法.............................................................................5 3.2铸件结构的工艺性分析..........................................................................5 3.3铸造工艺方案的确定.............................................................................5 3.4各铸造工艺参数的确定..........................................................................5 4工艺规程的设计......................................................................................7 4.1基准的选择............................................................................................7 4.1.1粗基准的选择...................................................................................7 4.1.2精基准的选择...................................................................................7 4.2表面加工方案的选择..............................................................................7 4.3制定机械加工工艺路线...........................................................................8 4.4确定机械加工一辆及工序尺寸...............................................................10 4.5确定切削用量及基本工时......................................................................12 4.5.1工序30:粗、精铣后平面....................................................................13 4.5.2工序40：粗铣两个18 mm的圆柱前端面...........................................15 4.5.3工序50：粗、精铣25mm的圆柱上端面.............................................16 4.5.4工序60:钻削、铰削加工两个9mm的孔...........................................19 4.5.5工序70：钻削、铰削加工10 mm的孔并锪倒角0.5×45°.................21 4.5.6工序80：粗、精铣120°圆弧端面.....................................................24 4.5.7工序90：钻削、铰削两个6mm的孔.................................................26 5夹具设计...............................................................................................30 5.1钻、铰10F9mm的孔并锪倒角0.5×45°...................................................30 5.1.1钻孔的加工工艺分析........................................................................30 5.1.2确定夹具的结构方案........................................................................30 5.2加工120°圆弧面的工艺分析.................................................................32 5.2.1夹具体设计.....................................................................................32 5.2.2切削力及夹紧力计算........................................................................33 6结论.......................................................................................................34 参考文献...................................................................................................35 致谢...........................................................................................................36