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All Journal Mechatronics, Electrical Power, and Vehicular Technology Jurnal Tekno Insentif
Dalmasius Ganjar Subagio
Pusat Penelitian Tenaga Listrik dan Mekatronik - LIPI, Komp. LIPI Bandung, Jl Sangkuriang, Gd 20, Lt 2, Bandung, Jawa Barat 40135
Computer Science & IT Electrical & Electronics Engineering

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The Use of Open Source Software for Open Architecture System on CNC Milling Machine Subagio, Dalmasius Ganjar; Atmaja, Tinton Dwi
Journal of Mechatronics, Electrical Power and Vehicular Technology Vol 2, No 2 (2011)
Publisher : Research Centre for Electrical Power and Mechatronics, Indonesian Istitutes of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (432.747 KB) | DOI: 10.14203/j.mev.2011.v2.105-112

Abstract

Computer numerical control (CNC) milling machine system cannot be separated from the software required to follow the provisions of the Open Architecture capabilities that have portability, extend ability, interoperability, and scalability. When a prescribed period of a CNC milling machine has passed and the manufacturer decided to discontinue it, then the user will have problems for maintaining the performance of the machine. This paper aims to show that the using of open source software (OSS) is the way out to maintain engine performance. With the use of OSS, users no longer depend on the software built by the manufacturer because OSS is open and can be developed independently. In this paper, USBCNC V.3.42 is used as an alternative OSS. The test result shows that the work piece is in match with the desired pattern. The test result shows that the performance of machines using OSS has similar performance with the machine using software from the manufacturer. 
Three axis deviation analysis of CNC milling machine Subagio, Dalmasius Ganjar; Subekti, Ridwan Arief; Saputra, Hendri Maja; Rajani, Ahmad; Sanjaya, Kadek Heri
Journal of Mechatronics, Electrical Power and Vehicular Technology Vol 10, No 2 (2019)
Publisher : Research Centre for Electrical Power and Mechatronics, Indonesian Istitutes of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3373.202 KB) | DOI: 10.14203/j.mev.2019.v10.93-101

Abstract

The manufacturing technology has developed rapidly, especially those intended to improve the precision. Consequently, increasing precision requires greater technical capabilities in the field of measurement. A prototype of a 3-axis CNC milling machine has been designed and developed in the Research Centre for Electrical Power and Mechatronics, Indonesian Institute of Sciences (RCEPM-LIPI). The CNC milling machine is driven by a 0.4 kW servo motor with a spindle rotation of 12,000 rpm. This study aims to measure the precision of the CNC milling machine by carrying out the measurement process. It is expected that the CNC milling machine will be able toperform in an optimum precision during the manufacturing process. Accuracy level testing is done by measuring the deviations on the three axes namely X-axis, Y-axis, and Z-axis, as well as the flatness using a dial indicator and parallel plates. The measurement results show the deviation on the X-axis by 0.033 mm, the Y-axis by 0.102 mm, the Z-axis by 0.063 mm, and the flatness of the table by 0.096 mm, respectively. It is confirmed that the deviation value is within the tolerance standard limits set by ISO 2768 standard. However, the calibration is required for this CNC milling machine to achieve more accurate precision. Furthermore, the design improvement of CNC milling machine and the application of information technology in accordance with Industry 4.0 concept will enhance the precision and realibility.
Evaluasi Pencairan Batubara Langsung Dan Tidak Langsung Terhadap Parameter Operasi PLTU Subagio, Dalmasius Ganjar; Rusirawan, Dani
Jurnal Tekno Insentif Vol 18 No 1 (2024): Jurnal Tekno Insentif
Publisher : Lembaga Layanan Pendidikan Tinggi Wilayah IV

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36787/jti.v18i1.1342

Abstract

Abstrak Pembangkit listrik tenaga uap adalah pembangkit listrik yang menggunakan batubara sebagai bahan bakarnya. Batubara merupakan jenis batuan sedimen, dengan kandungan karbon sebagai mineral utama dan juga hidrogen, belerang serta oksigen dalam mineral sekundernya. Tingginya kandungan senyawa ini membuat batubara mudah terbakar. Di Indonesia, dengan meningkatnya kegiatan industri dan meningkatnya jumlah penduduk, maka kebutuhan energi listrik juga semakin meningkat. Upaya yang dapat di tempuh oleh perusahaan untuk mendapatkan biaya operasi yang ekonomis adalah dengan mengganti pemakaian bahan bakar, pengoptimalan efisiensi dan pemeliharaan pembangkit yang sudah ada. Oleh karena itu, perlunya pergantian bahan bakar sehingga biaya produksi energi listrik lebih ekonomis. Tujuan dari makalah ini adalah untuk mendalami pengetahuan tentang pembangkit listrik tenaga uap yang menggunakan bahan bakar batubara yang dicairkan secara langsung/Direct coal liquefaction (DCL) dan tidak langsung/Indirect Coal liquefaction (ICL). Abstract Steam power plants are power plants that use coal as fuel. Coal is a type of sedimentary rock, containing carbon as the main mineral and also hydrogen, sulfur, and oxygen in the secondary minerals. The high content of this compound makes coal flammable. In Indonesia, with increasing industrial activities and an increasing population, the need for electrical energy is also increasing. Efforts that can be taken by companies to obtain economical operating costs are by replacing fuel use, efficiency, and maintenance of existing plants. Therefore, it is necessary to replace fuel so that the cost of producing electrical energy is more economical. The aim of this paper is to deepen knowledge about steam power plants that use direct coal liquefaction (DCL) and indirect coal liquefaction (ICL) fuel.
Co-Authors Hendri Maja Saputra Rajani, Ahmad Ridwan Arief Subekti RUSIRAWAN, DANI Sanjaya, Kadek Heri Tinton Dwi Atmaja