摘要
本次设计内容涉及了机械制造工艺及机床夹具设计、金属切削机床、公差配合与测量等多方面的知识。
尾座体的加工工艺规程和的工艺设计、工序设计以及铣底面夹具设计三部分。在工艺设计中要首先对零件进行分析,了解零件的工艺再设计出毛坯的结构,并选择好零件的加工基准,设计出零件的工艺路线;接着对零件各个工步的工序进行尺寸计算,关键是决定出各个工序的工艺装备及切削用量;然后进行专用夹具的设计,选择设计出夹具的各个组成部件,如定位元件、夹紧元件、引导元件、夹具体与机床的连接部件以及其它部件;计算出夹具定位时产生的定位误差,分析夹具结构的合理性与不足之处,并在以后设计中注意改进。
关键词:尾座体,加工工艺,尾座体,工序,夹具设计
Abstract
The desig
n co
nte
nt i
nvolves the mecha
nical ma
nufacturi
ng process a
nd fixture desig
n,metal cutti
ng machi
ne,tolera
nce a
nd measureme
nt a
nd other aspects of k
nowledge. There are three parts of tailstock machi
ni
ng process specificatio
n a
nd process desig
n,process desig
n a
nd milli
ng bottom fixture desig
n.I
n the process desig
n,we should first a
nalyze the parts,u
ndersta
nd the process of the parts,the
n desig
n the structure of the bla
nk,select the processi
ng be
nchmark of the parts,a
nd desig
n the process route of the parts; the
n calculate the size of each step of the parts,the keyis to determi
ne the process equipme
nt a
nd cutti
ng parameters of each process; the
n desig
n the special fixture,a
nd select the fixture The compo
ne
nts of the fixture,such as positio
ni
ng eleme
nt,clampi
ng eleme
nt,guidi
ng eleme
nt,co
n
necti
ng part betwee
n the fixture a
nd the machi
ne tool a
nd other compo
ne
nts,are a
nalyzed,a
nd the positio
ni
ng error of the fixture is calculated,a
nd the ratio
nalitya
nd shortcomi
ngs of the fixture structure are a
nalyzed,a
nd the improveme
nt should be paid atte
ntio
n to i
n the future desig
n. Keywords: tailstock,processi
ng tech
nology,tailstock,process,fixture desig
n 目录 摘要1 Abstract 2 1绪论3 1.1设计的依据、背景以及研究意义3 1.2国内外研究现状3 1.2.1国外研究现状3 1.2.2国内研究现状4 1.3主要研究内容5 2零件分析6 2.1零件的特点6 2.2零件工艺分析6 3机械加工工艺规程设计7 3.1确定毛坯的制造形成7 3.2基面的选择7 3.3制定工艺路线7 3.3.1工艺路线方案一7 3.3.2工艺路线方案二8 3.3.3工艺方案的比较分析8 3.4选择加工方法,制定工艺路线10 3.4.1孔的端面孔10 3.4.2内孔11 3.4.3燕尾面加工11 3.4.4导轨面刨削加工12 3.4.5孔的内径表面12 3.5确定切削用量及基本工时13 3.5.1铣削的孔的两端面13 3.5.2钻孔14 3.5.3铣削的孔的端面14 3.5.4铣削M6的端面15 3.5.5钻、M6孔16 3.5.6扩孔17 3.5.7加工的倒角17 3.5.8扩14孔17 3.5.9刨削导轨面18 3.5.10铣削22的退刀槽20 3.5.11刨削燕尾面20 3.5.12镗削(精镗、细镗的孔)21 3.5.13磨削(导轨面、燕尾面)21 3.5.14镗削(镗削的孔、镗削的沉降孔)23 3.5.15攻丝24 3.5.16导轨面配刮24 3.5.17珩磨的孔24 3.5.18精加工的孔研配25 3.5.19终检25 4铣底面夹具设计26 4.1问题的提出26 4.2定位基准的选择26 4.3夹紧力的选择26 4.4定位误差27 结论28 参考文献30 致谢32
展开...
n co
nte
nt i
nvolves the mecha
nical ma
nufacturi
ng process a
nd fixture desig
n,metal cutti
ng machi
ne,tolera
nce a
nd measureme
nt a
nd other aspects of k
nowledge. There are three parts of tailstock machi
ni
ng process specificatio
n a
nd process desig
n,process desig
n a
nd milli
ng bottom fixture desig
n.I
n the process desig
n,we should first a
nalyze the parts,u
ndersta
nd the process of the parts,the
n desig
n the structure of the bla
nk,select the processi
ng be
nchmark of the parts,a
nd desig
n the process route of the parts; the
n calculate the size of each step of the parts,the keyis to determi
ne the process equipme
nt a
nd cutti
ng parameters of each process; the
n desig
n the special fixture,a
nd select the fixture The compo
ne
nts of the fixture,such as positio
ni
ng eleme
nt,clampi
ng eleme
nt,guidi
ng eleme
nt,co
n
necti
ng part betwee
n the fixture a
nd the machi
ne tool a
nd other compo
ne
nts,are a
nalyzed,a
nd the positio
ni
ng error of the fixture is calculated,a
nd the ratio
nalitya
nd shortcomi
ngs of the fixture structure are a
nalyzed,a
nd the improveme
nt should be paid atte
ntio
n to i
n the future desig
n. Keywords: tailstock,processi
ng tech
nology,tailstock,process,fixture desig
n 目录 摘要1 Abstract 2 1绪论3 1.1设计的依据、背景以及研究意义3 1.2国内外研究现状3 1.2.1国外研究现状3 1.2.2国内研究现状4 1.3主要研究内容5 2零件分析6 2.1零件的特点6 2.2零件工艺分析6 3机械加工工艺规程设计7 3.1确定毛坯的制造形成7 3.2基面的选择7 3.3制定工艺路线7 3.3.1工艺路线方案一7 3.3.2工艺路线方案二8 3.3.3工艺方案的比较分析8 3.4选择加工方法,制定工艺路线10 3.4.1孔的端面孔10 3.4.2内孔11 3.4.3燕尾面加工11 3.4.4导轨面刨削加工12 3.4.5孔的内径表面12 3.5确定切削用量及基本工时13 3.5.1铣削的孔的两端面13 3.5.2钻孔14 3.5.3铣削的孔的端面14 3.5.4铣削M6的端面15 3.5.5钻、M6孔16 3.5.6扩孔17 3.5.7加工的倒角17 3.5.8扩14孔17 3.5.9刨削导轨面18 3.5.10铣削22的退刀槽20 3.5.11刨削燕尾面20 3.5.12镗削(精镗、细镗的孔)21 3.5.13磨削(导轨面、燕尾面)21 3.5.14镗削(镗削的孔、镗削的沉降孔)23 3.5.15攻丝24 3.5.16导轨面配刮24 3.5.17珩磨的孔24 3.5.18精加工的孔研配25 3.5.19终检25 4铣底面夹具设计26 4.1问题的提出26 4.2定位基准的选择26 4.3夹紧力的选择26 4.4定位误差27 结论28 参考文献30 致谢32
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