偏心螺杆零件普车加工工艺设计 摘要 零件的加工工艺分析是加工过程中最重要而又极其复杂的环节，必须在普车加工方案制定前完成。普通车床是目前使用最广泛的机床之一。普通车床主要用于加工轴类、盘类等回转体零件。也可以实现加工内外圆柱面、圆锥面、外形表面、螺纹和端面等需要加工的的内容，并且可以进行切槽、钻孔、扩孔、铰孔等加工。 本次设计说明书以普通车床车削典型的偏心螺杆零件为例，根据被加工工件的材料、轮廓形状、加工精度等选用合适的机床，制定加工方案，确定零件的加工顺序，各工序所用刀具，夹具和切削用量等。 关键词：加工工艺；偏心螺杆；轮廓形状；加工顺序；切削用量 Abstract I
n the ma
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ng process of parts machi
ni
ng process a
nalysis is the most importa
nt a
nd extremely complex li
nk, must be fi
nished before the car's processi
ng pla
n formulatio
n. Ordi
nary lathe is curre
ntly the most widely used o
ne of
nc machi
ne tools. Ordi
nary lathe is mai
nly used for machi
ni
ng shaft, plate axisymmetrical parts. Also ca
n realize processi
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ner a
nd outer cyli
nder, co
ne surface, surface appeara
nce, such as thread a
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nd face of the machi
ni
ng of co
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nt, a
nd ca
n carry out cutti
ng, drilli
ng, reami
ng, reami
ng, such as processi
ng. The desig
n specificatio
n to ordi
nary lathe tur
ni
ng typical ecce
ntric screw parts as a
n example, accordi
ng to the shape of the material, the outli
ne of the processed workpiece, choose suitable machi
ne tools machi
ni
ng precisio
n, processi
ng pla
n formulatio
n, determi
ne the machi
ni
ng seque
nce of parts, each worki
ng procedure used cutti
ng tools, fixture, cutti
ng dosage, etc. Key words: process; Ecce
ntric screw; Co
ntour shape; Processi
ng order; Cutti
ng parameter 目录 摘要I Abstract II 第一章零件图1 1.1零件图的审查1 1.2零件图的完整性与正确性1 第二章零件的工艺分析2 2.1零件的工艺设计2 2.2零件分析2 2.2.1零件的形状分析2 2.2.2零件尺寸分析3 2.2.3零件的材料分析3 第三章工艺规程设计5 3.1工序与工步的划分5 3.2加工顺序的安排5 3.3确定工艺路线6 3.4设备和工艺装备的选择7 3.3.1设备的选择7 3.3.2夹具的确定7 3.3.3刀具的选择7 3.5确定切削用量8 3.5.1切削用量的选择8 3.5.2主轴转速的确定8 3.5.3进给速度的确定9 3.5.4背吃刀量的确定9 3.6切削用量计算10 第四章普通加工工艺卡片的拟定13 第五章三维图14 第六章设计总结15 参考文献16 致谢17 附录A 18