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All Journal Jurnal Instrumentasi dan Teknologi Informasi (JITI)
Dharmanto
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Computer Science & IT Electrical & Electronics Engineering Energy Engineering

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Modifikasi Sistem Kontrol Heater Dengan Display Thermocontrol dan Sensor Thermocouple Pada Mesin Cutting Wind Up ITL.01.TL.01 Choirunnisa, Anis; Dharmanto; Wahyu Pebriansyah Asmara; Paul Michael Siahaan; Aliifah, Naila Zulfa
Jurnal Instrumentasi dan Teknologi Informasi (JITI) Vol. 6 No. 2 (2025): Mei
Publisher : Prodi D3 Teknik Elektronika Politeknik Gajah Tunggal

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PT. XYZ, a motorcycle tire factory, encountered a malfunction in the ITL.01.TL.01 cutting machine due to an overheating heating system. This research aims to modify the heating system on the ITL.01.TL.01 machine used for cutting inner liners. Manual cutting caused variations in inner liner length (73-78 meters), impacting production efficiency and consistency. The improvement method involved modifying the heater control system. Data were obtained through direct observation and analyzed using descriptive statistics. The modification, including the addition of a thermocouple sensor for real-time temperature monitoring, improved accuracy and efficiency in temperature control. Power calculations showed that the modified system operated with better energy efficiency. Paired T-test analysis indicated a significant performance improvement after the modification. These modifications allowed the cutting machine to operate, reducing material length variation and increasing overallefficiency.
Modifikasi Sistem Kontrol Motor Listrik Menggunakan Inverter dengan Distance Sensor Pada Alat Penggulung Side Gume. Susilawati, Dera; Dharmanto; Kahlil Firdausi, Muhammad; Aldisar Syarifudin, Ahmad
Jurnal Instrumentasi dan Teknologi Informasi (JITI) Vol. 7 No. 1 (2025): November
Publisher : Prodi D3 Teknik Elektronika Politeknik Gajah Tunggal

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The high level of scrap in the bias cutting process at PT. ADM, particularly caused by ineffective side gume rolling, has impacted production efficiency. This final project aims to overcome this issue by modifying the side gume roller system on the DBC-03 machine. The original pneumatic motor was replaced with a three-phase induction motor, controlled by a PLC system integrated with a distance sensor and inverter to automatically adjust motor speed based on the diameter of the rolled material. The modification process included designing, assembling, and implementing the control system, followed by field testing. The results show that the new system significantly improves the roller's pulling strength, increases the rolling capacity, and enhances ease of operation. The distance sensor accurately detects changes in material diameter, and the inverter ensures stable speed control. Overall, the modified system has proven effective in reducing scrap, supporting continuous production, and providing a reliable solution for the bias cutting process in the tire manufacturing industry.
Co-Authors Aldisar Syarifudin, Ahmad Aliifah, Naila Zulfa Choirunnisa, Anis Kahlil Firdausi, Muhammad Paul Michael Siahaan Susilawati, Dera Wahyu Pebriansyah Asmara