REDESIGN N METAL CASTING TOOLS USING ANTHROPOMETRY AND QFD

  • Andung Jati Nugroho Universitas Teknologi Yogyakarta
  • Erma Kusumaningsih Universitas Teknologi Yogyakarta
  • Ferida Yuamita Universitas Teknologi Yogyakarta
  • Aldi Yoga Pradana Universitas Teknologi Yogyakarta
Keywords: Design, Anthropometry, Quality Function Deployment, Metal Casting

Abstract

The case in the metal casting process is when the metal is melted and then poured into a liquid metal reservoir and then poured into a pouring tool and then poured into a mold. In the process of pouring into the mold is still using manual equipment, namely by using wood which ends have a container such as a bucket ( bucket)) made of a mixture of white cement, brick fire sand and clay and the metal liquid pouring tool has a length of 1.5 cm, a weight of 5 kg with a diameter of 15 cm and a height of a container for liquid metal 20 cm does not include the load. If the pouring device filling with liquid metal, then the weight reaches ± 20 kg, with a weight of ± 20 kg the worker must pour the liquid continuously into the mold and at least each worker must go back and forth 6 times pouring metal liquid into a mold in a single combustion process.

Based on the nordic body map questionnaire data as many as 8 workers felt pain in the shoulder and arm because the burden was born, resulting in workers often feel pain in the muscles of the arms and back. Because the wooden handle used to pour metal liquid is too slippery (exposed to sweat), so there is a need for improvement in activities.

From the results of the above observations, it is necessary to design ideas for new work facilities. It expects to affect the improvements related to the position of the hand in the process of pouring liquid into the mold. Then the design idea needs to be done in the form of a casting tool that has been modified and can be used according to user needs and can be said to be ergonomic, safe, and comfortable. The method used in designing castings is quality function deployment and anthropometric techniques.

Author Biographies

Andung Jati Nugroho, Universitas Teknologi Yogyakarta

Industrial Engineering, Faculty of Science and Technology, University Technology of Yogyakarta

Erma Kusumaningsih, Universitas Teknologi Yogyakarta

Industrial Engineering, Faculty of Science and Technology, University Technology of Yogyakarta

Ferida Yuamita, Universitas Teknologi Yogyakarta

Industrial Engineering, Faculty of Science and Technology, University Technology of Yogyakarta

Aldi Yoga Pradana, Universitas Teknologi Yogyakarta

Industrial Engineering, Faculty of Science and Technology, University Technology of Yogyakarta

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Published
2019-12-31