<p>The article considers the problem of increasing the production efficiency of joint-type forks, which is an essential task for modern manufacturing engineering, especially in conditions of growing demand for high-precision products. The relevance of the research is emphasized by the wide use of these parts in industries such as automotive, aircraft, and the production of lifting machines and agricultural machinery. This research validates a proposed novel scientific approach for joint-type forks production based on implementing multiaxis machining to the technological process by applying flexible fixturing systems, which enhance manufacturing efficiency, ensure machining accuracy, and increase production competitiveness. This approach reduces the number of operations in the technological process structure, reducing machining operations from 4 to 1 operation performed on a multiaxis computer numerical control (CNC) machine tool, the number of fixtures is also reduced from 4 to 1 flexible fixture. The design and technological classification of the joint-type forks have been improved, which ensures the effectiveness of the production planning and contributes to the effective use of accumulated knowledge in decision-making systems. A technological process has been proposed and developed that ensures the machining of all surfaces of the part in one setup, which has reduced the number of operations. This approach ensures a reduction in equipment units and fixtures. It reduces the costs of auxiliary time by 67.7%, additional time by 55.1%, time for personal needs by 61.8%, preparatory time by 75%, machining time by 60.1%, and total unit time by 59.9%. The introduction of flexible fixtures with adjustment mechanisms for regulating functional elements ensures the machining of joint-type forks with similar design features and technological requirements in a wide range of sizes, following the specified accuracy indicators.</p>

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Addressing manufacturing challenges of joint-type forks production through technological assurance

  • Vitalii Ivanov,
  • Mykhailo Amelin,
  • Djordje Vukelic,
  • Michal Hatala

摘要

The article considers the problem of increasing the production efficiency of joint-type forks, which is an essential task for modern manufacturing engineering, especially in conditions of growing demand for high-precision products. The relevance of the research is emphasized by the wide use of these parts in industries such as automotive, aircraft, and the production of lifting machines and agricultural machinery. This research validates a proposed novel scientific approach for joint-type forks production based on implementing multiaxis machining to the technological process by applying flexible fixturing systems, which enhance manufacturing efficiency, ensure machining accuracy, and increase production competitiveness. This approach reduces the number of operations in the technological process structure, reducing machining operations from 4 to 1 operation performed on a multiaxis computer numerical control (CNC) machine tool, the number of fixtures is also reduced from 4 to 1 flexible fixture. The design and technological classification of the joint-type forks have been improved, which ensures the effectiveness of the production planning and contributes to the effective use of accumulated knowledge in decision-making systems. A technological process has been proposed and developed that ensures the machining of all surfaces of the part in one setup, which has reduced the number of operations. This approach ensures a reduction in equipment units and fixtures. It reduces the costs of auxiliary time by 67.7%, additional time by 55.1%, time for personal needs by 61.8%, preparatory time by 75%, machining time by 60.1%, and total unit time by 59.9%. The introduction of flexible fixtures with adjustment mechanisms for regulating functional elements ensures the machining of joint-type forks with similar design features and technological requirements in a wide range of sizes, following the specified accuracy indicators.