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Jurnal Inovator
Published by Politeknik Jambi
ISSN : -     EISSN : 26155052     DOI : 10.37338/ji
Core Subject : Engineering,
Automotive Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Journal of Inovator is peer review journal, published twice a year by the LPPM Politeknik Jambi. This journal discusses the scientific works containing results of research in the field of mechanical engineering, includes Dynamics, Vibration and Sound Engineering, Material and Manufacture Technology, Thermal and Refrigeration Engineering, Energy Conversion, Robotic and Industrial Automation, Vehicle Engineering, Solid Mechanic and Design.
Arjuna Subject : -
Articles 288 Documents
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Uji Kekerasan Material Komposit Dari Bahan Tulang Sapi Untuk Bahan Dasar Pembuatan Helm Erizal Erizal; M. Halil
Jurnal INOVATOR Vol. 9 No. 1 (2026): Jurnal INOVATOR
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37338/ppn3nc79

Abstract

Kemajuan teknologi dengan bahan komposit serat alam telah berkembang dari peralatan sederhana hingga industri karena kemudahan pembentukan, kekuatan,kemampuan daur ulang,dan ramah lingkungan. Tulang sapi, sebagai bahan dasar murah, memiliki potensi untuk dijadikan produk efisien. Konsumsi daging sapi di Bengkulu yang tinggi menghasilkan limbah tulang sapi yang melimpah. Menurut badan statistika pusat (BPS), konsumsi daging sapi di Bengkulu pada 2023 mencapai 3,3 ribu ton, memberikan potensi besar untuk bahan dasar helm dari tulang sapi. Tulang sapi dapat digunakan sebagai bahan komposit dengan resin, menciptakan material yang lebih baik dan ramah lingkungan. Helm yang biasanya terbuat dari bahan sintetis yang mahal dan berbahaya bagi lingkungan dapat digantikan dengan bahan komposit dari tulang sapi. Helm salah satu pelengkap dalam keamanan berkendara, helm wajib dikenakan oleh pengendara kendaraan roda dua di Indonesia sesuai undang-undang No. 22 tahun 2009 tentang lalu lintas dan angkutan jalan pada pasal 106 ayat 8. Pengujian kekerasan Rockwell terhadap tulang sapi non-perlakuan, serbuk, dan serat tulang sapi. Hasilnya menunjukan hasil nilai kekeraan rata-rata untuk tulang sapi non perlakuan sebesar 90,3 HRC dengan kedalaman 0,019 mm, serbuk tulang sapi sebesar 64,1 HRC dengan kedalaman 0,071 mm, dan serat tulang sapi sebesar 80,6 HRC dengan kedalaman 0,038 mm. komposit tulang sapai menunjukan nilai kekerasan yang cukup untuk digunakan sebagai bahan dasar pembuatan helm, melampaui kekerasan helm standar. Hasil penelitan ini menunjukan potensi besar penggunaan tulang sapi sebagai bahan komposit alternatif yang kuat dan ramah lingkungan untuk pembuatan helm.
Analisis Efektivitas Penerapan Maintenance pada Mesin Produksi Furniture (Rustic) Studi Kasus di PT. Rajawali Perkasa Furniture Ratri Rahmawati; Sigit Arrohman; Rianto Wibowo; Bella Chintya Reira Christata; Heni Risnawati; Tuti Nadhifah
Jurnal INOVATOR Vol. 9 No. 1 (2026): Jurnal INOVATOR
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37338/0jtxqx05

Abstract

Rustic wood refers to a type of wood that has a rough, natural appearance, and often retains the original characteristics of the wood. The term "rustic" describes a style or appearance that is simple, old-fashioned, and rustic in nature. Rustic wood is often used in interior and exterior design to create a warm, natural atmosphere. The research methodology was carried out by searching for literature studies collected from journals, papers and the internet. Conduct interviews with supervisors and PT employees. Rajawali Perkasa Furniture in the field. As well as direct observations in the field to find solutions related to problems that occur to take corrective solutions in accordance with company procedures. The maintenance carried out to repair Rustic machines is Preventive Maintenance. A maintenance system that is carried out regularly to ensure the condition of the machine and extend the life of the machine. Preventive maintenance is carried out regularly to prevent damage to the equipment so that if minor damage is found it can be repaired immediately. With planned maintenance, PT Rajawali Perkasa Furniture aims to find symptoms of damage to equipment before it experiences fatal damage, keep its production equipment machines in optimal condition, reduce the risk of damage, and increase overall productivity.
Analisis Getaran Primary Air Fan (PAF) Sebagai Dasar Maintenance Pada Sistem Boiler CFB MB 26 PT Indah Kiat Pulp and Paper Tbk Perawang Armin Jon Tua Manalu; Abdul Gafur
Jurnal INOVATOR Vol. 9 No. 1 (2026): Jurnal INOVATOR
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37338/6qg8d659

Abstract

Primary Air Fan (PAF) is an important rotating equipment in the Circulating Fluidized Bed (CFB) boiler system that supplies primary air to support the fluidization and combustion processes. The reliability of the PAF significantly affects combustion stability and steam production continuity. This study aims to analyze the vibration characteristics of Primary Air Fan units as a basis for predictive maintenance implementation in the Boiler CFB MB 26 system at PT Indah Kiat Pulp and Paper Tbk Perawang. Vibration measurements were conducted using an SKF QuickCollect Sensor, while bearing temperatures were measured using an infrared thermal gun. The collected data were analyzed using the Root Mean Square (RMS) method and evaluated according to ISO 10816-3 standards. The results showed that PAF A had a maximum vibration value of 0.5 mm/s and was classified in Zone A (Good Condition), while PAF B reached 1.7 mm/s and was classified in Zone B (Acceptable Condition) with an indication of slight unbalance. Bearing temperatures ranged from 31.1°C to 42.4°C and remained within normal operating limits. The results indicate that vibration analysis is effective for machine condition monitoring and supports predictive maintenance implementation
Pengolahan Limbah Cair Industri Menggunakan Metode Advanced Oxidation Processes: Analisis Perbandingan Kinerja Sri Martini; Mira Setiawati
Jurnal INOVATOR Vol. 9 No. 1 (2026): Jurnal INOVATOR
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37338/68813942

Abstract

Limbah cair industri pengolahan minyak bumi memiliki karakteristik kompleks akibat keberadaan senyawa organik kompleks yang sulit terdegradasi secara alami. Penelitian ini mengkaji kinerja beberapa proses oksidasi tingkat tinggi atau advanced oxidation processes (AOPs), termasuk Fenton, photo-Fenton, TiO₂, dan TiO₂/ radiasi UV sinar matahari, dalam menurunkan konsentrasi TOC dengan mengevaluasi pengaruh radiasi cahaya, kondisi pH, dan variasi dosis oksidator/katalis. Hasil penelitian menunjukkan bahwa radiasi UV dari cahaya matahari mampu meningkatkan efisiensi oksidasi melalui peningkatan pembentukan radikal hidroksil (•OH). Proses photo-Fenton menunjukkan kemampuan degradasi tertinggi karena adanya kombinasi reaksi Fenton dan mekanisme fotokimia yang meningkatkan regenerasi Fe²⁺ serta mempertahankan aktivitas katalitik. Pengaruh pH menunjukkan kondisi optimum yang berbeda untuk setiap sistem, dimana pH 4 dan pH 5 untuk Fenton dan photo-Fenton, serta pH 5 dan pH 7 untuk TiO₂ dan TiO₂/UV. Selain itu, pada dosis reagen/katalis sebesar 1,5 mg/L, didapatkan persentase efisiensi penurunan TOC yaitu masing-masing sebesar 60,57%, 80%, 55,14%, dan 68% untuk Fenton, photo-Fenton, TiO₂, dan TiO₂/UV. Namun, pertambahan dosis yang berlebih mengakibatkan perlambatan reaksi aksidasi, bahkan terjadi penurunan efisiensi. Secara keseluruhan, AOPs terutama photo-Fenton merupakan teknologi efektif untuk pengolahan limbah cair industri.
Rancang Bangun Mixer Adonan Kerupuk Pangsit Dengan Sistem Pengatur Waktu (Timer) M. Syafiqtra Pratama; Atonius FA Silaen; Een Tonadi
Jurnal INOVATOR Vol. 9 No. 2 (2026): Jurnal INOVATOR-On Progress
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37338/hajrdd85

Abstract

The development of the food industry, especially small and medium enterprises, requires a dough mixer that can increase production efficiency and produce consistent dough quality. The manual mixing process still has limitations in terms of time, energy, and uniformity of dough results. This study aims to design and create a horizontal type wonton cracker dough mixer with a timer system and to determine the effect of variations in mixing time on dough quality. The research method used is an experimental method with variations in mixing time of 20 minutes, 25 minutes, and 30 minutes. Testing was carried out using a horizontal mixer with a capacity of 2–5 kg equipped with a 1,500 Watt electric motor and an automatic timer system. Dough quality was analyzed through visual observation and elasticity testing using a spring balance based on Hooke's Law. The results showed that mixing time affects dough quality. Mixing for 25 minutes produced the best dough with a chewy texture, non-sticky, easy to shape, an elastic constant value of 150 N/m, and a strain of 0.5. It was concluded that a horizontal mixer with a timer system performed well and increased the effectiveness, efficiency, and consistency of the dough mixing process compared to manual methods.
Pengembangan Alat Vacuum Kemasan Hasil Perikanan Dengan Pemanfaatan Limbah Mesin Pendingin Sebagai Bahan Baku I Made Adi Wirawan; Gede Widayana; I Gede Wiratmaja; I Nyoman Pasek Nugraha; Edi Elisa
Jurnal INOVATOR Vol. 9 No. 2 (2026): Jurnal INOVATOR-On Progress
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37338/yt0np019

Abstract

This study aims to investigate the development, feasibility, and practicality of a vacuum packaging machine for fishery products utilizing a waste compressor from a refrigeration unit. Following the 4D Research and Development (R&D) model (Define, Design, Develop, Disseminate), the device integrates a waste compressor as a vacuum pump, complete with a filter, check valve, vacuum hose, and heated sealer. Evaluation data were gathered through expert validations and usability tests on small and large groups. Results revealed average feasibility scores of 86.6% from product design experts and 88% from manufacturing experts, placing the device in the "highly feasible" category. Practicality assessments yielded 88.3% for the small group and 89.2% for the large group, categorizing it as "highly practical." Overall, this vacuum packaging machine serves as an effective, feasible, and practical appropriate technology alternative for fishery product packaging.
Analisa Kekuatan Material AISI 1018 Dan 1020 Pada Sasis Semi Ladder Frame Menggunakan Metode Finite Element Analysis Galih Rakasiwy; Bambang Dwi Haripriadi
Jurnal INOVATOR Vol. 9 No. 2 (2026): Jurnal INOVATOR-On Progress
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37338/5kjrp772

Abstract

This study analyzes the structural strength of a semi-ladder frame chassis by comparing AISI 1018 and AISI 1020 steel using Finite Element Analysis (FEA) on SolidWorks through incremental loading from 1,000 to 5,000 kgf. At peak operational load (2,000 kgf), both materials produced an identical maximum displacement of 0.8475 mm at the Side Body Support Rail (below the allowable limit of 2.655 mm). The highest Von Mises stress was concentrated at the rear kick-up curvature section due to the notch effect, measuring 149.0 MPa (AISI 1018) and 148.8 MPa (AISI 1020), respectively. The chassis remains in the safe region under 1,000–2,000 kgf loads (Factor of Safety / FoS ≥ 1.5), enters a critical condition at 3,000 kgf, and undergoes plastic deformation starting from 4,000 kgf (FoS < 1.0). AISI 1018 steel was selected as the best material because its higher intrinsic yield strength (370.0 MPa vs 351.6 MPa) yields a superior minimum FoS (2.484 vs 2.362). This extra 5.17% safety margin is crucial for ensuring chassis reliability against dynamic shock loads on roads.
Perancangan Prototipe Mesin Semprot Hama Pertanian Dengan Bahan Baku Limbah Kompresor Kulkas 1/8 PK I Made Jiyestha Guna Birawan; I Gede Wiratmaja; Gede Widayana; Edi Elisa; Edy Agus Juny Artha
Jurnal INOVATOR Vol. 9 No. 2 (2026): Jurnal INOVATOR-On Progress
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37338/w293zt86

Abstract

Penelitian ini bertujuan untuk mengembangkan prototipe alat semprot hama pertanian berbasis limbah kompresor mesin pendingin dengan kapasitas 1/8 PK, mengetahui tingkat kelayakan produk berdasarkan penilaian para ahli, serta mengetahui tingkat kepraktisan alat berdasarkan hasil uji coba pada kelompok kecil dan kelompok besar ke petani. Metode yang digunakan dalam penelitian ini adalah Research and Development (R&D) dengan model pengembangan 4D yang meliputi tahap Define, Design, Develop, dan Disseminate. Produk yang dihasilkan berupa alat semprot hama pertanian yang portabel yang memanfaatkan limbah kompresor kulkas sebagai sumber tekanan utama, dilengkapi dengan tangki pestisida, aki motor, inverter, selang, stik dan nozzel, dan rangka penyangga sehingga mudah digunakan di lahan pertanian. Pengumpulan data dilakukan melalui validasi oleh ahli desain produk, ahli manufaktur, serta uji kepraktisan yang melibatkan petani dalam kelompok kecil dan kelompok besar. Hasil penelitian menunjukkan bahwa prototipe alat semprot hama pertanian memperoleh tingkat kelayakan sebesar 98,57% berdasarkan penilaian ahli desain produk dan 92,30% berdasarkan penilaian ahli manufaktur, sehingga termasuk dalam kategori sangat layak. Sementara itu, hasil uji kepraktisan menunjukkan persentase rata-rata 83,06% pada kelompok kecil dan  pada kelompok besar dengan rata-rata persentase 84,73%, yang termasuk dalam kategori sangat praktis. Berdasarkan hasil tersebut, prototipe alat semprot hama pertanian dengan memanfaatkan limbah kompresor kulkas 1/8 PK dinyatakan sangat layak dan sangat praktis untuk digunakan dalam proses penyemprotan, efisiensi waktu kerja, serta mendukung pemanfaatan limbah mesin pendingin secara lebih bernilai guna. 

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