机械设计(英文版) 机械工程 宋梅利,祖莉,梁医 编
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库存8件
北京丰台
认证卖家担保交易快速发货售后保障
作者宋梅利,祖莉,梁医 编
出版社北京航空航天大学出版社
ISBN9787512431485
出版时间2020-08
版次1
装帧平装
开本16
页数388页
字数636千字
定价79元
货号xhwx_1202115222
上书时间2024-12-19
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目录：
chapter 1 introduction 1
1.1 the objectives and tasks of the course 1
1.2 basic requirements and design procedures 2
1.2.1 basic requirements 2
1.2.2 procedures for mechanical design 4
1.3 failure modes and design criteria 6
1.3.1 failure modes of mechanical parts 6
1.3.2 criteria for mechanical parts 6
1.4 mon materials and their selection principle of mechanical parts 8
1.4.1 mon materials of mechanical parts 9
1.4.2 materials selection principle 11
1.5 modern mechanical design theories and methods 12
inter resources 13
problems 14
chapter 2 strength of mechanical parts 15
2.1 introduction 15
2.2 working capacity calculation criteria for mechanical parts 16
2.2.1 failure form of mechanical parts 16
2.2.2 working capacity calculation criteria 16
2.3 mon materials for mechanical parts and their selections 18
2.3.1 mon materials for mechanical parts 19
2.3.2 principles for selecting mechanical parts materials 22
2.4 load and stress acting on parts 24
2.4.1 classification of load 24
2.4.2 classification of stress 24
2.5 strength calculation 25
2.5.1 strength of mechanical parts under static stress 25
2.5.2 fatigue strength calculation of mechanical parts 27
2.5.3 contact strength of mechanical parts 32
inter resources 34
problems 34
chapter 3 friction,wear and lubrication 36
3.1 introduction 36
3.2 friction 37
3.2.1 dry friction 39
3.2.2 boundary friction (boundary lubrication) 40
3.2.3 mixed friction (mixed lubrication) 41
3.2.4 fluid friction (fluid lubrication) 42
3.3 wear 42
3.3.1 typical wear process 42
3.3.2 types of wear 43
3.4 lubrication 45
3.4.1 main properties of lubricants 46
3.4.2 viscosity law 50
3.4.3 introduction to fluid lubrication 51
inter resources 52
problems 52
chapter 4 threaded joints 53
4.1 introduction 53
4.1.1 thread formation 53
4.1.2 types and applications of screw 53
4.1.3 main parameters of the thread 56
4.2 types of threaded joints and standards 57
4.2.1 types of threaded joints 57
4.2.2 standard threaded couplings 59
4.3 pre-tightening and anti-looseness of threaded joints 61
4.3.1 pre-tightening of threaded joints 61
4.3.2 anti-looseness of threaded joints 64
4.4 strength calculation for the single threaded joints 66
4.4.1 strength calculation of loose bolt connections 66
4.4.2 strength calculation of tight bolt connections 67
4.4.3 material and allowable stress of threaded couplings 73
4.5 design and force analysis of bolt group connections 75
4.5.1 structural design of bolt group connections 75
4.5.2 force analysis of bolt group connections 76
inter resources 79
problems 79
machine elements in mechanical design project 82
chapter 5 axle and hub connections 83
5.1 key connections 83
5.1.1 types and applications 83
5.1.2 selection and the strength calculation 86
5.2 spline connections 90
5.2.1 the type,characteristics and application of spline connections 90
5.2.2 the strength calculation of spline connections 92
5.3 pin connections 93
inter resources 95
problems 95
project 95
chapter 6 rivetings,wels and bons 97
6.1 rivetings 97
6.1.1 rivet joints 97
6.1.2 failure forms and design of rivetings 98
6.2 wels 99
6.2.1 types,characteristics and applications of wels 99
6.2.2 failure modes of wel 99
6.2.3 design of wel parts 100
6.3 bons 102
6.3.1 the applications of bons 102
6.3.2 adhesive joints 102
6.3.3 adhesives 103
6.3.4 parisons of bons,rivetings and wels 104
inter resources 104
problems 104
chapter 7 power screws 105
7.1 types,characteristics and applications of power screws 105
7.2 sli power screws 106
7.2.1 the structure of sli power screws 106
7.2.2 design calculation of sli power screws 107
7.3 ball screws drives 110
7.3.1 structure types and characteristics 110
7.3.2 design and calculation of ball screws drives 112
inter resources 113
problems 113
project 114
chapter 8 belt drives 116
8.1 types and characteristics of belt drives 116
8.1.1 working principle and characteristics of belt drives 116
8.1.2 types and applications of belt drives 117
8.2 analysis of belt drives 118
8.2.1 force analysis of belt drives 118
8.2.2 stress analysis of belts 120
8.2.3 elastic slipping and creeping of belts 121
8.3 design calculation of ordinary v-belt drives 123
8.3.1 v-belt structures 123
8.3.2 standard for ordinary v belts 124
8.3.3 basic rated power of single v belt 125
8.3.4 design ste and methods of v-belt drives 127
8.4 design of v-belt pulleys 132
8.4.1 design requirements for v-belt pulleys 132
8.4.2 materials of v-belt pulleys 132
8.4.3 structure dimension of v-belt pulleys 132
8.5 tension and maintenance of belt drives 136
8.5.1 tension of belts 136
8.5.2 belt maintenance 137
8.6 introduction of other new belt drives 137
8.6.1 high speed belt drives 137
8.6.2 toothed timing belt drives 138
8.6.3 v-ribbed belt drives 139
inter resources 139
problems 139
project 140
chapter 9 chain drives 142
9.1 introduction 142
9.2 structure of chains 143
9.2.1 roller chains 143
9.2.2 silent chains 145
9.3 structure and material of sprockets 146
9.3.1 basic parameters of sprockets 147
9.3.2 sprocket tooth profile 148
9.3.3 structure of sprockets 149
9.3.4 material of sprockets 149
9.4 geometric parameters of chain drives 150
9.4.1 number of pitches 150
9.4.2 center distance 151
9.5 motion characteristics of chain drives 151
9.5.1 kinematics of chain drives 151
9.5.2 dynamical loads of chain drives 153
9.6 load analysis of chain drives 154
9.7 failure modes and carrying capacity of chain drives 155
9.7.1 the failure modes of chain drives 155
9.7.2 carrying capacity of chain drives 156
9.8 chain drives design 158
9.8.1 design the pitch and number of strands 158
9.8.2 design the number of teeth in two sprockets and speed ratio 160
9.8.3 design the number of links and center distance 161
9.8.4 design the structure of the small sprocket 161
9.9 layouts,tension and lubrication of chain drives 162
9.9.1 layout of chain drives 162
9.9.2 tension of chain drives 162
9.9.3 lubrication of chain drives 163
inter resources 165
problems 166
project 167
chapter 10 gear drives 168
10.1 introduction 168
10.2 the failure modes and design rules of gear drives 170
10.2.1 failure modes of gears 170
10.2.2 design criteria 173
10.3 materials and heat treatment of gears 174
10.3.1 steel 175
10.3.2 cast iron 176
10.3.3 bronze 176
10.3.4 nonmetallic material 176
10.4 the calculated load for gear drives 176
10.4.1 application factor 177
10.4.2 dynamic factor 177
10.4.3 aal load distribution factor 178
10.4.4 load distribution factor across teeth 182
10.5 strength calculation of standard spur gears 183
10.5.1 force analysis 183
10.5.2 calculation of spur teeth ben fatigue strength 184
10.5.3 calculation of spur teeth contact fatigue strength 186
10.5.4 ti for gear strength calculation 189
10.6 design parameters,permissible stress and accuracy choice of gears 190
10.6.1 design parameters 190
10.6.2 permissible stress 191
10.6.3 the degree of gear precision 196
10.7 strength calculation of standard helical gears 201
10.7.1 force analysis 201
10.7.2 calculation of helical teeth ben fatigue strength 204
10.7.3 calculation of helical teeth contact fatigue strength 205
10.8 strength calculation of standard bevel gears 211
10.8.1 force analysis 211
10.8.2 calculation of bevel teeth ben fatigue strength 212
10.8.3 calculation of bevel teeth contact fatigue strength 212
10.9 strength characteristic of modified gears 213
10.10 structural design of gears 214
10.10.1 gear shafts 215
10.10.2 solid gears 215
10.10.3 web gears 216
10.10.4 gears with crossed spokes 217
10.10.5 bined gears 217
10.11 lubrication of gear drives 218
10.11.1 lubrication method 218
10.11.2 lubricant selection 219
inter resources 220
problems 220
projects 222
chapter 11 worm gear transmission 224
11.1 summary 224
11.1.1 the types of worm transmission 224
11.1.2 the characteristics of worm transmission 225
11.2 the main parameters and geometric dimensions of mon cylindrical worm transmission 225
11.2.1 main parameters of mon cylindrical worm transmission 225
11.2.2 geometric dimension calculation of worm transmission 229
11.3 motion and force analysis of worm transmission 230
11.3.1 motion analysis of worm transmission 230
11.3.2 force analysis of worm transmission 231
11.4 the failure mode,material and structure of worm transmission 232
11.4.1 failure forms and design criteria of worm transmission 232
11.4.2 mon materials for worm transmission 233
11.4.3 the structure of mon cylindrical worm and worm wheel 233
11.5 strength analysis of worm transmission 234
11.6 calculation of efficiency,lubrication and thermal balance of worm transmission 236
11.6.1 the efficiency of worm transmission 236
11.6.2 heat balance calculation of
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