Mathematical model of complex quality assessment of reverse-engineering of a loading and haul dump machine part
The efficiency of a mining enterprise depends on the reliability of technological machines, and operative repair work directly affects this. In the case of repair or replacement of a machine it is possible to produce spare parts by means of the mining enterprise. However, the main problem is the lac...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
T. F. Gorbachev Kuzbass State Technical University
2025-04-01
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| Series: | Горное оборудование и электромеханика |
| Subjects: | |
| Online Access: | https://gormash.kuzstu.ru/index.php?page=article&id=4575 |
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| Summary: | The efficiency of a mining enterprise depends on the reliability of technological machines, and operative repair work directly affects this. In the case of repair or replacement of a machine it is possible to produce spare parts by means of the mining enterprise. However, the main problem is the lack of original drawings, for this purpose it is proposed to use reverse-engineering techniques. In this case it is necessary to estimate how much the obtained part corresponds to the original. For this purpose, this article presents a mathematical model of complex quality assessment of reverse-engineering of a part on the example of spare parts of loading-haul dump machines. The components for comprehensive quality assessment are geometric accuracy, shape and location accuracy, roughness, part material, and the time it takes to carry out the reverse-engineering process. These parameters are the most important due to their influence on the operatin time of the part, the quality of the remanufactured part of the assembly or aggregate as a whole and the suitability for measurement, especially in the conditions of repair production of mining machines. The proposed mathematical model allows to comprehensively numerically evaluate the result of the process of reverse-engineering of a part, namely how much the obtained part drawing corresponds to the original drawing. An example of calculation of the complex quality index of reverse engineering is given on the example of the part (spare part) of the hydraulic cylinder of the bucket lifting of the load haul dump machine. The proposed mathematical model is universal and can be widely used for spare parts of other types of technological, transport and auxiliary machines used in mining. |
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| ISSN: | 1816-4528 2949-0634 |