manufacturing the backbone of an excavator platform

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Uploaded: 07.03.2018
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Product description

manufacturing the backbone of an excavator platform


Diploma work - development of the technological process of manufacturing of the skeleton of the platform of an excavator
Language of work is Russian;
Number of drawings - 9 pieces (A1)
The number of pages of the explanatory note is 111 pcs.

CONTENT
Assignment to the thesis project ............................................................ ... 2
Abstract………………………………………………………………………….……. 4
Introduction ................................................................................... .. .. ... 7
1 Development of the technological process of welding products ............ .. ...... .. ... ... 8
1.1 Description of the product design and assessment of its manufacturability ......... ... 8
1.2 Selection of the material of the structure and its characteristics ............... .. ... .. 10
1.3. Specifications for the manufacture ................................................................................. 12
1.4 Selection and justification of the method of welding the structure ......................... 13
1.5 The choice and justification
1.6 Selection of the parameters of the welding mode ............................................. .. 23
1.7 Selection of welding equipment ............. .............................. .. ... 27
1.8 Selection of welding consumables ...................................................... 32
1.9 Quality control ............................................... ...................................... 39
1.9.1 Control of basic materials ................................................................ 40
1.9.2 Control of auxiliary materials .............................. ... 40
1.9.3 Control of blanks ............................................. ............................... 42
1.9.4 Inspection of the weld assembly ........................................... .................. 42
1.9.5 Inspection of welded joints .................................... .......... 43
1.10 Normalization of the technological process ................................................ 45
1.11. Selection of trucks .......................................... 58
1.12. Planning of the assembly and welding site .................................................... ....... 59
2 Selection of the design of the assembly and welding device ......... .. ......... .. 61
2.1. Requirements for assembly and welding devices ..................... 61
2.2 Development of assembly and welding devices ......... ..... ............ .. 62
3 Economics and Organization of Production ............................................. ................ 67
3.1 Baseline data ............................................... ......................................... 68
3.2 Calculation of the cost price of assembly and welding operations ................................................................ 71
3.3 Rationale for cost-effectiveness .......................................... 83
4 Safety and environmental protection ........................................ 88
4.1 Analysis of the possibility of negative influences of the projected
technological process environment and human ................. 88
4.2 Safety requirements ............................................... ............................ 90
4.3 Electrical safety ................................................ .................................. 92
4.4 Prevention of Eye and Skin Danger
beams of an electric arc ............................................... ........................ 93
4.5 Prevention of the risk of poisoning with harmful gases .............. 94
4.6 Preventing the risk of burns .................. 98
4.7 System for ensuring the necessary parameters of the microclimate ........... 98
4.8 Lighting system ............................................... ...................................... 99
4.9 Fire safety system .................................................. ................ 101
4.10. Calculation of industrial lighting ..............

Additional information

The drawings are made in a compass

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