机械5

摘要 本篇说明书主要是对泵体零件的主要加工面与加工孔的步骤进行较详细的说明，例如在普通车床上采用一面两销的定位方式对此泵体的前端面和端面上的两孔进行加工。在减少成本和保证加工精度的基础上极大的保证泵体工艺规格的合理性。此次说明书的重点是对平面进行铣夹具进行加工，不仅减少了夹紧定位的时间提高了生产效率，还保证了加工的精度。由于泵体大多由中小型企业所生产，我也是根据这些提出了较为经济的设计方案。 关键词:泵体夹具工艺 Abstract The i
nstructio
n ma
nual of this graduatio
n thesis mai
nly describes i
n detail the mai
n processi
ng surface a
nd hole processi
ng steps of the pump body parts. For example, the positio
ni
ng mode of o
ne side a
nd two pi
ns is adopted o
n the ordi
nary lathe to process the fro
nt e
nd face a
nd two holes o
n the e
nd face of the pump body. O
n the basis of reduci
ng the cost a
nd e
nsuri
ng the machi
ni
ng accuracy, it greatly e
nsures the ratio
nality of the process specificatio
n of the pump body. The focus of this ma
nual is to process the pla
ne milli
ng fixture, which
not o
nly reduces the clampi
ng a
nd positio
ni
ng time, improves the productio
n efficie
ncy, but also e
nsures the machi
ni
ng accuracy. Si
nce most of the pump bodies are produced by small a
nd medium-sized e
nterprises, I also put forward a more eco
nomical desig
n scheme based o
n these. Key words: pump body fixture process 目录 摘要I Abstract II 1零件的分析1 1.1零件的功用分析1 1.2零件的工艺分析1 2确定毛坯画零件毛坯图2 2.1确定毛坯种类2 2.2确定毛坯尺寸及机械加工总余量2 2.3设计毛坯图3 2.4绘制毛坯图3 3选择加工方法，制定工艺路线4 3.1定位基准的选择4 3.2零件的表面加工方法4 3.3工序的集中与分散5 3.4工序顺序的安排5 3.4.1机械加工顺序5 3.4.2辅助工序5 3.5制定工艺路线6 3.7工序间加工余量、工序尺寸的确定9 3.8切削用量及基本时间的计算10 致谢14