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Muh Malyadi
Universitas Muhammadiyah Ponorogo
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Mechanical Engineering

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PRESENTASE KANDUNGAN MINYAK HASIL PENYULINGAN LDPE TERHADAP KARAKTERISTIKNYA Saifudin Asngari; Muh Malyadi; Wawan Trisnadi Putra
KOMPUTEK Vol 3, No 2 (2019): Oktober
Publisher : Universitas Muhammadiyah Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (415.752 KB) | DOI: 10.24269/jkt.v3i2.255

Abstract

Plastic oil is a fuel produced from plastic, which is processed by means of distillation. In the plastic distillation process used LDPE (Low density polyethylene) plastic bag, this type of plastic is ductile and flexible in addition to this type of plastic also has a transparent nature, and is resistant in shock so that this type of plastic is widely used by the community for plastic wrapping. LDPE plastic is included in the type of thermoplastic is one of a group of plastics that are able to be recycled again so that it is easy in the distillation process. The results of diesel oil plastic types will be mixed with bio diesel and tested for density, color, distillation, flash point, sulfur content and cetane number values. In a mixture of 30% LDPE plastic type diesel oil and 70% bio diesel with a density of 843.3 kg / m3, has a clear and bright color, in the distillation process in a mixture of 30% LDPE plastic type diesel oil 70% bio diesel is known at initial temperatures IBP 150oC at 10% drop at 201oC at 50% drop at 289oC and at the last drop 90% at 347oC. a mixture of 30% LDPE plastic type diesel oil and 70% bio diesel has a flash pont value with 57oC test results. sulfur content in a mixture of 30% LDPE plastic type diesel oil and 70% bio diesel with a value of 0.11% m / m, in a mixture of 30% LDPE plastic type diesel oil and 70% bio diesel has a cetane number value of 53oC.
PERANCANGAN KENDARAAN BERMOTOR RODA TIGA UNTUK PENYANDANG TUNA DAKSA Julhija Ema Siputra; Nanang Suffiadi; Fadelan Fadelan; Sudarno Sudarno; Muh Malyadi
KOMPUTEK Vol 6, No 1 (2022): April
Publisher : Universitas Muhammadiyah Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24269/jkt.v6i1.1137

Abstract

Tuna Daksa is a term for individuals who have lost or incomplete body parts that can be seen with the naked eye. One solution to help people with physical disabilities in carrying out daily activities in the field of transportation. Modification of motorized vehicles often lacks safety, especially when used on curvy roads due to lack of balance, so that it is overcome by modifying motorized vehicles using the one-wheel pull method. This method is used to adjust the balance of wheel rotation when turning a corner, and is equipped with parts that can support comfort in its use. The main parameter in this research is the analysis of the spindles and the components of the tools used. The material used to design the axle with bending load only is JIS E4502 class 4 carbon steel qwb = 60 kg/mm and its elongation limit is 30 kg/mm. The feasibility of the design of the modification of the tool is based on the results of research from the calculation that the diameter of the calculation results is above 17 mm, very safe to use and more than 1 mm with the previous diameter of 16 mm. 
Co-Authors Fadelan Fadelan Julhija Ema Siputra Nanang Suffiadi Saifudin Asngari Sudarno Sudarno Wawan Trisnadi Putra