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Tool Path Optimization and Cost Analysis for Manufacturing Process of Master Cylinder Piston of Motorcycle Brake Anita Susilawati; Nico Atmadio; Heri Siswanto
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 55 No 1 (2018): 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 (614.365 KB)

Abstract

The tool path optimization is an important issue to get a low cost of manufacture parts using the CNC (Computer Numerical Control) machines. Programming to produce an optimum tool path for CNC machines is a key performance indicator for obtaining minimized machining time and good surface quality of parts. This paper purposes to optimized the CNC tool path generation programming and analyze the cost of manufacturing process of master cylinder piston of motorcycle brake. A Computer Aided Manufacturing (CAM) software was used to simulate an optimal tool path, which finding an efficient solution to shorten the cutting tool path generation. The simulation was performed on a roughing surface process of the work piece using 3 tool path schemes: longitudinal, diametrical and surface to parallel. The each scheme employed tool-path generation based on absolute and incremental reference methods of a CNC lathe machine. An analysis of simulation tool path time for each scheme and machining cost was investigated to get optimum and economies machining process. Hence, it was compared to actual time of machining process on CNC lathe in term of the manufacturing cost machining. The optimal processing time and the most economical cost for making a master cylinder piston of motorcycle brake was a parallel to surface scheme. Therefore, an optimization of tool path generation can minimize machining lead time, which lead to lowest cost of manufacturing parts, with keep maintain product quality.
Management of Motorcycle Workshops of SMEs Scale Based on Information System Dodi Sofyan Arief; Anita Susilawati; Johar Simaskot; Muftil Badri; M. Dalil
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 47 No 1 (2017): 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 (4025.546 KB) | DOI: 10.36842/jomase.v47i1.177

Abstract

The good workshop management must also be supported by a properly administration, in order to record all the resources that become workshop assets. Moreover, the motorcycle workshop also conducts spare parts sales to complete the replacement needs of broken vehicle spare parts. This study aims to analyze and design a workshop information system for Small and Medium Enterprises (SMEs) engaged in the field of repairing of motorcycle. Generally, the SMEs scale of motorcycle workshops in this research still uses a simple management system and manually in presenting the data required by the workshop. This it make difficult and inconvenient for the owner of a SMEs scale of motorcycle workshop. Sequence, it is necessary to optimalize the management system from the simpler manual system to be computerized. Stages of the method in this study: (1) survey of general workshop management SMEs scale, (2) do analysis of data obtained during the survey and provides input for workshop management based on 5S method, (3) to design and create information systems and databases using PHP (Hypertext Preprocessor) as the programming language and MySQL as the database. The approach of the 5S (Sort, Straighten, Shine, Standardize, Sustain) and creating an information system can manage equipments and properly administration in SMEs scale of motorcycle workshops. Therefore, they can help to optimize streamline the services and administration activity of SMEs scale of motorcycle workshops.