The project in five facts.
Challenge, approach and results.
The diploma thesis addresses the existing measurement process for a cast product and its improvement through the development of a clamping fixture designed for simultaneous clamping of multiple workpieces. The purpose of the work was to ensure greater accuracy and repeatability of measurements on multiple workpieces simultaneously through appropriate planning and design of a clamping fixture and the development of a new measurement programme. The theoretical part includes descriptions of all methods and programmes used in the creation of this diploma thesis, as well as an analysis of clamping fixtures and the most commonly used workpiece clamping practices in industry. The second part of the practical work comprises the development of a measurement protocol in the PC-DMIS software environment, which was used to obtain measurement results. These were then processed within the framework of measurement system analysis, where the capability of the measurement system is verified.
Problem
The diploma thesis addresses the existing measurement process for a cast product and its improvement through the development of a clamping fixture designed for simultaneous clamping of multiple workpieces. The purpose of the work was to ensure greater accuracy and repeatability of measurements on multiple workpieces simultaneously through appropriate planning and design of a clamping fixture and the development of a new measurement programme. The objective was to conduct a measurement system analysis based on the developed clamping fixture using the new measurement programme.
Solution and Method
The theoretical part includes descriptions of all methods and programmes used in the creation of this diploma thesis, as well as an analysis of clamping fixtures and the most commonly used workpiece clamping practices in industry. The practical part encompasses the description and presentation of requirements that the clamping fixture must fulfil. The design of subassemblies required for the final product is shown in the Creo software environment.
A prototype plastic model is also presented, which was subsequently adapted based on a functional test of workpiece insertion.
Results
The second part of the practical work comprises the development of a measurement protocol in the PC-DMIS software environment, which was used to obtain measurement results. These were then processed within the framework of measurement system analysis, where the capability of the measurement system is verified. The results showed that the designed clamping fixture enables faster, simpler and more accurate clamping, which means time savings and fewer errors in workpiece positioning.
By optimising the new measurement programme, we succeeded in reducing the measurement time for twelve workpieces from 1.75 hours to 1.05 hours. Within the diploma thesis, four hypotheses were formulated, all of which were confirmed through the conducted tests and analysis of results. A research question was also formulated, which was addressed throughout the entire diploma thesis.
The research emphasises the importance of introducing modern measurement approaches and automation in industry. By optimising measurement procedures, the accuracy and repeatability of measurements are improved, whilst at the same time reducing the costs of errors and increasing production efficiency. Such improvements contribute to higher product quality and consequently to greater competitiveness of the company in the market.
Module, programme and stories.
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