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RANCANG BANGUN PEMBUATAN MESIN PENCACAH SAMPAH PLASTIK MINIMALIS Erlina Prasetyawati; Sabdho Kencono; Joko Suparno; Yuliarto Joko Sumbogo; Ardiansyah, Dimas; Gnemon Isvandianto Surya Rajasa
Accurate: Journal of Mechanical Engineering and Science Vol. 5 No. 2 (2024): October 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v5i1.2419

Abstract

A plastic waste shredder is a tool used to shred or crush plastic into small pieces using a cutting knife mounted on a shaft connected via a pulley and belt transmission to a motor. This study is an experimental study to design a waste shredder with a more minimalist design that uses a 1000 RPM washing machine dryer dynamo drive motor, but aims to be able to participate in overcoming the current plastic waste problem. The results of the study showed that this machine with a 1000 RPM washing machine dynamo drive motor can only crush PET plastic beverage bottle waste that must be cut into pieces first to avoid stopping the machine and slipping material. Based on these results, it can be concluded that this machine is only intended for shredding thin PET plastic bottles.
RANCANG BANGUN PEMBUATAN MESIN PENCACAH SAMPAH PLASTIK MINIMALIS Erlina Prasetyawati; Sabdho Kencono; Joko Suparno; Yuliarto Joko Sumbogo; Ardiansyah, Dimas; Gnemon Isvandianto Surya Rajasa
Accurate: Journal of Mechanical Engineering and Science Vol. 5 No. 2 (2024): October 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v5i1.2419

Abstract

A plastic waste shredder is a tool used to shred or crush plastic into small pieces using a cutting knife mounted on a shaft connected via a pulley and belt transmission to a motor. This study is an experimental study to design a waste shredder with a more minimalist design that uses a 1000 RPM washing machine dryer dynamo drive motor, but aims to be able to participate in overcoming the current plastic waste problem. The results of the study showed that this machine with a 1000 RPM washing machine dynamo drive motor can only crush PET plastic beverage bottle waste that must be cut into pieces first to avoid stopping the machine and slipping material. Based on these results, it can be concluded that this machine is only intended for shredding thin PET plastic bottles.
Design and Development of a Pneumatic Bush Installation Tool for Motorcycle Engine Mounting Production Efficiency Azzahra Nazwa Asyifa; Yuliarto Joko Sumbogo; Dimas Ardiansyah Halim; Joko Suparno
Multidisciplinary Innovations and Research in Applied Engineering Vol. 2 No. 1 (2025)
Publisher : Akademi Inovasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70935/67m23j34

Abstract

The increasing demand for efficient and precise manufacturing processes in the automotive industry has led to the development of automated assembly systems, including pneumatic-based tools. This study focuses on the design, development, and evaluation of a pneumatic Bush installation tool for motorcycle engine mounting production efficiency. The tool was tested against manual methods (hammer and jack) to compare installation time, accuracy, and defect rates (NG). A quasi-experimental approach was used, involving trial and error testing, prototype validation, and comparative analysis. The results showed that the pneumatic system significantly outperformed the manual method, with an 80% improvement in efficiency—reducing installation time from 120 seconds (manual) to 45 seconds (pneumatic). Additionally, Bush misalignment was reduced from 40% (manual) to 10% (pneumatic), while installation-induced defects dropped from 35% to only 5%. The findings demonstrate that the pneumatic-assisted tool provides more consistent pressure control, improved accuracy, and reduced error rates, making it a superior alternative to manual methods. This study contributes to the advancement of automated assembly technologies in the motorcycle manufacturing industry.