Shaft - Gear Process Development

Content:
Introduction........................................................................................ 8
1 Technological section................................................................................ 9
Introduction.......................................................................................... 10
1.1 Description and analysis of the service purpose of the part................ 10
1.1.1 Analysis of the manufacturability of the part design................ 11
1.1.2 The material of the part and its properties............................................... 12
1.2 Determination of the type of production................................................................................................ 13
1.2.1 Selection of the form of organization of the technological process................ 14
1.3 Selection and justification of the method of obtaining the workpiece................ 15
1.4 Route technology design................................ 22
1.5 Calculation of allowances and interoperative dimensions................ 26
1.5.1 Diametrical dimensions ∅ 30h7 and ∅ 25k6............................................. 26
1.5.1.1 Calculation of processing allowances for size ∅ 30h7
calculation and analytical method..............................................................26
1.5.1.2 1 Calculation of ∅ 25k6 processing allowances
calculation and analytical method ...................................... 32
1.6.2 Linear dimensions 174h14 and 21h14................ 33
1.6.2.1 Calculation of processing allowances for size 174h14
calculation and analytical method............................................... 33
1.6.2.2 Calculation of 21h14 processing allowances
calculation and analytical method............................................... 35
1.7 Design of operations, justification and selection of machine models............ 37
1.7.1 Operation 010 CNC Turning ................................................ 37
1.7.1.1 Operation structure ................................................................ 40
1.7.1.2 Selection of cutting and measuring tools................ 40
1.7.1.3 Calculation of cutting conditions ................................................................................ 41
1.7.2 Operation 030 Milling ................................................................ 44
1.7.2.1 Operation structure ................................................................................................................ 46
1.7.2.2 Selection of cutting and measuring tools................ 46
1.7.2.3 Calculation of cutting conditions ................................................................................ 48
1.8 Calculation of processing time rates for all operations................................................................................ 50
Inference.. .......................................................................................... 54
2 Design section............................................................... 55
Introduction......................................................................................... 56
2.1 Detailed description of operation 030................................................................ 57
2.2 Choosing a basing scheme................................................ 58
2.3 Development of the design of the fixture................................................................................ 61
2.4 Calculation of the fixture for accuracy................................................................................................................ 62
2.5 Calculation of cutting conditions................................................................ 64
2.6 Calculation of clamping force................................................................................. 68
Inference.......................................................................................... 69
3 Organizational and economic section................................................................................ 70
Introduction......................................................................................... 71
3.1 Initial data.................................................................................................... 72
3.2 Selection of the type and organizational form of production................................................ 73
3.3 Calculation of calendar and planning standards for the production site............ 76
3.4 Selection of the transport system of the site ................................................................................ 77
3.5 Calculation of fixed assets of the site and depreciation deductions...................................................................................... 77
3.6 Organization of work on the site................... 81
3.7 Estimated costs for the maintenance and operation of equipment............... 86
3.8 Calculation of shop floor costs............................................................................ 89
3.9 Calculation of the cost of the part................................ 92
3.10 Marketing analysis of the market of manufacturers of parts of the type
"Shaft - gear".......................................................................................... 94
Inference.......................................................................................... 95
4 Safety and environmental friendliness................................................................................ 96
Introduction...................................................................................... 97
4.1 Status and analysis of life safety at the designed facility.................... 98
4.2 Measures and technical means to create healthy and safe working conditions................................................................................................................ 100
4.3 Measures and technical means for environmental protection......... 105
4.4 Measures and means for the prevention of emergencies and elimination of their consequences................................................................................................................................ 107
Inference.......................................................................................... 110
Conclusion..................................................................................... 111
References................................................................................. 113