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Sudjatmiko Sudjatmiko
University of Merdeka Malang
Automotive Engineering Control & Systems Engineering

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ANALYSIS OF TRACKING HYDRAULIC DESIGNING PROCESS Andi Sudahan; Rusdijanto Rusdijanto; Sudjatmiko Sudjatmiko
TRANSMISI Vol 15, No 2 (2019): Edisi September 2019
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v15i2.4774

Abstract

The use of hydraulic systems for various applications supporting work equipment is very widely used because of the nature and strength of the good and easy in its design. Hydraulic tracking can be widely applied in various needs. The principle of this work tool is designed for the release of bearings / mounting on a shaft or a ball bearing house vertically or horizontally. From the results of the hydraulic tracking planning analysis using solid works software, in this simulation to find static nodal stress (the received tensile strength) obtained the highest load is shown in the orange part of the tool with a stress value of 17.49 million N / m2, the load experienced is only 15% of the permitted maximum limit of 24,800,200,000 N / m2.then the strain that occurs in the highest value is shown on a scale with an orange of 0.03946 mm on the upper beam component, that value 1 mm means that the hydraulic frame tracking can be used properly.
Analisa Posisi Peletakkan Baut terhadap Gaya Geser pada Sambungan Plat Baja Sudjatmiko Sudjatmiko; I Made Sunada; Yanuar Wibisono
TRANSMISI Vol 16, No 2 (2020): September 2020
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v16i2.4789

Abstract

Research on analysis the effect of positioning the use of bolts on the connection process between the two steel plates against the other steel plates to determine the magnitude of the bolt torque moment and the magnitude of the force. The connection of the steel plate components where the joints are used are able to with stand shear forces, pressure and torsion. The research objective was to determine the effective placement of the bolt position and the distance of the load on the vertical and horizontal bolt position to the magnitude of the torque due to compression  and the fracture model. Data collection was carried out in several tests of changes in the placement of the bolt joints, including the position of the bolts with three angles, in the vertical and horizontal position of the bolts.  The findings of the placement of the three-angle bolt position at 2-4-11 the shear force experienced a shift / fracture of the bolt greater than the shear force that occurred in the horizontal and vertical bolts position, with a pressure of 92.66 bar (torsion moment 108,342 kg-mm). Testing the position of the three-angle bolt at 2-6-10 where the vertical bolt was broken with a pressure of 65.33 bar ( torque  moment  76.401 kg-mm). The three-angle bolt placement test at 6-7-8 where the horizontal bolt was fractured at a pressure of 55.33 bar (torque  moment 64,701 kg- mm). Comparison of the placement of the bolts in the position of three angles of the shear force between the vertical and horizontal positions, the shear forces experience the greatest shift / fracture of the bolts in the vertical position. The loading distance affects the amount of shear force that occurs on the bolt. the farther the loading distance, the greater the shear force that occurs.
JIG & FIXTURE DESIGN FOR ROUGHNESS TESTER SJ-210 Nanda Rahmaniar Siswanda; Sufiyanto Sufiyanto; Sudjatmiko Sudjatmiko
TRANSMISI Vol 15, No 1 (2019): Edisi Pebruari 2019
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v15i1.4742

Abstract

The rapid development of the industry gave rise to better technological innovations to develop the quality capacity of a production. Jig fixture is a production tool used in the manufacturing process, so that accurate part duplication is produced. Jigs fixture specifically designed to facilitate the setup of materia; which ensures uniformity in the shape and size of products in large quantities (mass products), and commemorate the time of production [2-4]. Jig fixture functions to hold and direct the workpiece, so that the manufacturing process is more efficient and product quality can be maintained as specified quality. Rong and Zhu (1999) in Ahmad Rizki (2003) state that an object consists of several surface surfaces. In the use of a fixture, the placement process (locating) is the process of placing multiple surfaces of a workpiece until it touches the locator, which is then followed by the clamping process of the workpiece that comes in contact with the locator called a locating surface. In a workpiece there are 6 degrees of freedom (degree of freedom) of movement, ie linear motion in the direction or counterclockwise with the X, Y, Z axis and rotational movements towards the X, Y, and Z axis in a clockwise or counterclockwise direction.
Co-Authors Andi Sudahan I Made Sunada Nanda Rahmaniar Siswanda Rusdijanto Rusdijanto Sufiyanto Sufiyanto, Sufiyanto Yanuar Wibisono