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All Journal Jurnal Teknoin Jurnal Teknologi SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Prosiding Semnastek Turbo : Jurnal Program Studi Teknik Mesin Journal of Applied Sciences and Advanced Technology Dinamis Suara Teknik : Jurnal Ilmiah
Hendro Purwono
Universitas Muhammadiyah Jakarta
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Development of a Special Service Tool for Hydraulic Piston Maintenance on Excavator PC 210-10M0 Armas, Reza Febriano; Purwono, Hendro; Junaedi, Thomas; Alfauzi, Alfauzi; Santosa, Lintang Fuji
SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Vol. 18 No. 2 (2024): SINTEK JURNAL
Publisher : Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/sintek.18.2.121-128

Abstract

Excavators are essential machinery widely utilized in mining, construction, plantation, and other industries. The Komatsu PC210-10M0, a small-sized excavator model, performs critical operations such as material digging and transportation. However, during component overhauls, particularly for the boom cylinder, bucket, and arm, significant challenges arise due to the absence of suitable tools for efficiently removing and installing hydraulic cylinder pistons. The current reliance on generic tools such as screw wrench sets (L-keys) is suboptimal, leading to inefficiencies, increased risks of workplace accidents due to tool slippage, and longer processing times. This study addresses these limitations by employing the Seven Up++ method to develop a specialized service tool specifically designed for hydraulic cylinder piston maintenance. The methodology encompasses three critical phases: Analysis, Solution, and Results, ensuring a systematic and innovation-focused approach. The developed tool securely positions itself on the piston cylinder, utilizing two pins inserted into pre-existing holes on the piston surface. The results demonstrate significant improvements: maintenance processing time is reduced by up to 70%, operational safety is enhanced due to the tool's secure attachment, and labor requirements are halved, with manpower reduced from two operators to one. These findings highlight the tool's potential to optimize maintenance operations and improve overall efficiency in the use of Komatsu PC210-10M0 excavators.
Analisa Kebocoran Oli Pada Penggerak Akhir Unit Bulldozer Komatsu D85ESS-2 Purwono, Hendro; Rasma, Rasma; Armas, Reza Febriano; Ramadhan, Muhamad Ikshan; Ramadhan, Alan
Suara Teknik : Jurnal Ilmiah Vol 14 No 1 (2023): Suara Teknik: Jurnal Ilmiah
Publisher : Fakultas Teknik UM Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29406/stek.v14i1.5409

Abstract

Bulldozer adalah salah satu jenis alat berat yang dan berfungsi untuk pemerataan material seperti tanah, pasir, kerikil yang memiliki kemampuan dorong atau tenaga yang tinggi. Bisa digunakan untuk menggali, mendorong, menggusur meratakan, menarik beban, dan menimbun. Untuk menunjang fungsi unit  dalam operasionalnya maka diperlukan perawatan berkala terhadap semua komponen, salah satunya adalah penggerak akhir bulldozer tipe D85ESS-2. Namun berdasarkan hasil observasi menunjukkan bahwa terdapat masalah pada unit bulldozer tipe D85ESS-2, yaitu terjadinya kebocoran oli di komponen penggerak akhir. Apabila hal ini dibiarkan unit beroperasi maka oli tersebut akan habis dan komponen dalam penggerak akhir dapat mengalami kerusakan sehingga kinerjanya tidak maksimal. Untuk mencegah hal tersebut perlu dilakukan penelitian agar diketahui penyebab terjadinya kebocoran oli dan cara penanganannya dengan metode 8 langkah penyelesaian masalah. Berdasarkan hasil penelitian ditemukan bahwa penyebab kebocoran oli adalah terjadinya keausan pada guard sehingga kotoran atau tanah bisa masuk yang mengakibatkan adanya gesekan langsung dengan penggerak akhir dan menekan floating seal. Untuk penanganannya dilakukan fabrikasi guard dan mengganti floating seal.
Pembuatan Alat Bantu Khusus Pelepasan dan Pemasangan Planetary Carrier Final Drive Pada Unit Hydraulic Excavator Komatsu PC400-8 Purwono, Hendro; Rasma, Rasma; Armas, Reza Febriano; Srimbuanne, Riswan Ferdiansyah
Suara Teknik : Jurnal Ilmiah Vol 16 No 1 (2025): Suara Teknik: Jurnal Ilmiah - Mei
Publisher : Fakultas Teknik dan Ilmu Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29406/stek.v16i1.7814

Abstract

Hydraulic excavator adalah salah satu jenis alat berat yang banyak digunakan pada sektor industri konstruksi dan pertambangan. Fungsinya yang beragam membuat berbagai macam pekerjaan menjadi lebih efektif dan produktif untuk dilakukan, seperti hydraulic excavator Komatsu PC400-8 yang kerap kali digunakan pada area pertambangan untuk mengeruk dan memuat material ke dalam dump truck. Untuk menunjang produktifitas unit maka perlu dilakukan perawatan secara periodik terhadap semua komponen agar usia pakainya dapat terjaga, salah satunya adalah komponen planetary carrier final drive yang berfungsi untuk mentransfer daya dari motor hidrolik ke roda penggerak atau track. Namun jika komponen ini mengalami kerusakan maka dilakukan component over haul dimana terdapat proses pelepasan dan pemasangan planetary carrier final drive yang selama ini menggunakan alat bantu yang tidak standar sehingga saat digunakan mempersulit mekanik karena sering meleset dan dapat merusak komponen serta kurang efisien dari segi waktu pengerjaan. Oleh karena itu, maka dilakukan penelitian yang bertujuan untuk menyelesaikan masalah tersebut. Hasil yang diperoleh berupa alat bantu khusus dengan menggunakan metode seven up++ innovation sehingga dapat mempermudah pekerjaan mekanik, menghindari kerusakan komponen, dan lebih efisien dari segi waktu pengerjaan.
Strength Analysis of a Pulp Brick Making Machine with a Capacity of 20 kg/Hour Bambang Setiawan; Hendro Purwono; Rasma; Gunawan Hidayat; Sri Anastasia Yudistirani
Jurnal Teknologi Vol. 18 No. 2 (2026): Jurnal Teknologi
Publisher : Faculty of Engineering Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jurtek.18.2.197-204

Abstract

Paper is one of the communication tools for administration, and is still the primary choice. In various parts of the world, paper is always used in the fields of economics, education, and so on. From the large number of paper uses, it will have an impact on the amount of paper waste that will be collected, then to meet every paper need, new paper must be produced. One solution in utilizing paper waste that can be done in the home industry is by using a pulp-making machine with unused paper or waste that has been collected to be reused in recycling paper into paper or innovative ones such as pulp bricks. The purpose of this study is to design a model of a pulp-making machine with a frame size of 1100 mm x 800 mm x 835 mm. The design of this machine frame was made to determine the load strength experienced by the frame on a pulp brick-making machine. This study uses load calculations on the frame construction design manually and with the help of the SolidWorks software. The results of the simulation using the software show a maximum von misses value of 410700N/m2 and a safety factor value of 2682.56 N/m. Thus the automatic dishwasher frame is in the safe category.
Strength Analysis of a 3-Joint Robogripper Robot Manipulator System Prototype for Lifting 50 Gram Goods Gunawan Hidayat; Hendro Purwono; Rasma; Bambang Setiawan; Sri Anastasia Yudistirani
Jurnal Teknologi Vol. 18 No. 2 (2026): Jurnal Teknologi
Publisher : Faculty of Engineering Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jurtek.18.2.187-196

Abstract

The design of a 3-joint robogripper system manipulator hand robot for a maximum lifting capacity of 50 grams has a lifting and transport capacity for workpieces with a maximum weight of 50 grams using a servo motor mounted on a robot frame made of acrylic material and can rotate 180 ̊ with a maximum reach of 500 mm. process that still heavily relies on human labor in the manufacturing industry is lifting and transporting, particularly in the jewelry industry. This requires the operator's expertise to lift and transport the jewelry without leaving fingerprints on the surface and into the packaging.To meet the needs described above, a change in the work process is necessary. This change reduces the operator's skill requirement and can reduce human error, which can lead to product failure during quality control.Based on the shortcomings of the previous work process described, a lifting and transporting machine is needed that achieves maximum results without relying on operator skill and in shorter processing times. One machine that can be implemented to achieve the desired results is the robogripper robotic arm.The design of a 3-joint robogripper system manipulator hand robot for a maximum lifting capacity of 50 grams has a lifting and transport capacity for workpieces with a maximum weight of 50 grams using a servo motor mounted on a robot frame made of acrylic material and can rotate 180 ̊ with a maximum reach of 500 mm. and 250 mm from the center point of the robot. This hand robot aims to be a gold bar lifting tool with a maximum capacity of 50 grams so that it can reduce the number of rejects in the form of A fingerprints on the surface of goods caused by manual.
Co-Authors Alfauzi, Alfauzi ARMAS, REZA FEBRIANO Azka Riziq Mubarok Bambang Setiawan Dicky Adriansyah Effensi, Riki Fadwah Maghfurah Gunawan Hidayat Haris Isyanto Junaedi, Thomas ramadhan, Alan Ramadhan, Muhamad Ikshan Rasma Rasma Rasma Reza Febriano Armas Riki Effendi Santosa, Lintang Fuji Srimbuanne, Riswan Ferdiansyah Thomas Djunaedi Windarta Windarta