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All Journal Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Anita Susilawati
Mechanical Engineering Department, Faculty of Engineering, Universitas Riau, Indonesia
Aerospace Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Surface Roughness Analysis and Optimization of CNC Lathe Machining Parameters in the Manufacturing of Motorcycle Brake Master Cylinder Piston Novaldi Andryoga; Anita Susilawati
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 66 No 2 (2022): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (869.472 KB) | DOI: 10.36842/jomase.v66i2.307

Abstract

This study aims to optimize the machining parameters in the manufacture of Yamaha motorcycle brake piston master cylinder and determine the effect on surface roughness. The method used is the Taguchi method. Machining parameters were varied based on the Taguchi method, each of which was experimented with using a finishing CNC lathe machine. From these experiments, the results obtained in the form of surface roughness values ​​which were then analyzed, in order to obtain the best parameters with the smallest surface roughness values ​​and the effect of each factor on surface roughness. This research produces the best parameters are spindle speed 1.755 RPM, feed rate 0.09 mm/rev, and depth of cut 0.30 mm. This parameter has a small surface roughness value. Based on surface roughness measurements, the factors that have the greatest influence on the level of surface roughness are feedrate of 67.9%, spindle speed of 15.4% and depth of cut of 3.3%. This proves that the smaller the value of feedrate, spindle speed and depth of cut, the smaller the value of surface roughness will be.
Design of Betel Nut Peeler Machine Based on Quality Function Deployment and Value Engineering Yunus Pardosi; Anita Susilawati
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 67 No 1 (2023): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v67i1.324

Abstract

The goal of this study is to design a betel nut peeler machine based the Quality Function Deployment (QFD) and Value Engineering methods to optimize the stripping of betel nut process. A case study was carried out in the Keritang District of the Tembilahan Regency of Riau Province, Indonesia. Previously, the Keritang District community used the manual processes stripping technique, thus the final production cannot be in huge amounts. The method was implemented through several steps that began with gathering data and information about the machines desired by the community using QFD and Value Engineering. The machine was designed with the goals of being simple to use, efficient, and responsive to the needs of the community in mind. Each of these characteristics is discussed in the House of Quality. As a result, the Value Engineering approach was developed to uncover effective costs to deliver good quality, appearance, or features, and it may be used to improve product quality, lower costs, boost efficiency, and reduce risk. Finally, an appropriate and optimal design for the betel nut peeler was developed. The benefit of betel nut peeler machine design is supposed to be simple to use and to provide big amounts of stripping results quickly. As a result, the production of betel nut peeling rises.
Analysis of Components Selection of Oil Draining Machine for Spinner System Based Analytical Hierarchy Process Evander Simanjuntak; Anita Susilawati; Herisiswanto Herisiswanto; Dedi Rosa Putra Cupu
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 67 No 3 (2023): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v67i3.310

Abstract

The function of the oil draining machine is to effectively reduce the oil content in the food from frying. This study aims to analyse the spinner system's components for the oil draining machine using the Analytical Hierarchy Process (AHP) method. The AHP makes broad and unstructured problems into a flexible and easy-to-understand model. This research begins with a study of the initial design of the spinner system for the oil-draining machine components. Then, the characteristics and process parameters (spinner) of the oil-draining machine's parts were analysed using the AHP method. From the analysis results, the new designs were developed by eliminating or combining components that did not add value. The priority of consumer needs for function, performance, ergonomics, durability, serviceability and aesthetics were referenced to make a new design. Then, the new components of the spinner system oil draining machine were developed. Customers' needs for design priority include functionality to drain the cooking oil and crackers, capacity exceeding 3kg, ease of assembly, lightweight, easy to use, stainless steel material, easy to repair and dark colour selection.
Co-Authors Cupu, Dedi Rosa Putra Evander Simanjuntak Herisiswanto Herisiswanto Novaldi Andryoga Yunus Pardosi