The project in five facts.
Challenge, approach and results.
The diploma thesis addresses the complexity and solution in a parts modification project using a 3D measuring system (CMM). The main vision of this research is the production of precise modified parts that maintain the required quality in order to reduce complaints and waste material handling.
Problem
The diploma thesis addresses the complexity and solution in a parts modification project using a 3D measuring system (CMM).
Solution and Method
The main vision of this research is the production of precise modified parts that maintain the required quality in order to reduce complaints and waste material handling. In relation to the primary purpose of the research, it should be emphasised that the company receives a sufficient number of parts modification projects for Mercedes lorries (Unimog and Zetros) throughout the year. This includes small and large spare parts that are modified using heavy stamping machines, laser cutting and bending.
Thus, the main objective is to improve those parts that assist us in assembly in subsequent processes. On the other hand, this reduces rework and production costs. The basic research methods used in this project were primary and secondary research.
As it concerns his own experience in a related field, the main source of this project was primary research, which faced problems in real time and their solutions. Secondary research methods, such as books, articles and online data, were mostly used for the theoretical presentation in the research. This includes an introduction and the current state of the company, description and application of the CMM machine, reverse engineering, geometric accuracy of parts to reduce further complications.
The experimental part includes the current modification process, implementation of a new plan and system, measurement programming and new fixtures designed for 3D measurements. The CMM is a very important device or machine in the company's production process. This machine is much more reliable for reverse engineering, digital measurement, CAD comparison, etc.
In relation to the modification project, documentation with a 3D measurement report of the modified part within the given tolerance is very important for receiving final payment or completing the project. With this research, we reduce part measurement time and expect better part quality and a reduction in complaints by at least 40%. Production costs will also be controlled with fewer remnants and easier assembly, thereby consuming less time.
Module, programme and stories.
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