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

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Automatic Task Machine (ATM) Design for Logistic Package by Method Analytical Hierarchy Process (AHP) Through Approach the Design for Manufacturing (DFM) Deni Pranata; Dodi Sofyan Arief
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 65 No 1 (2021): 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 (675.775 KB) | DOI: 10.36842/jomase.v65i1.226

Abstract

The Automatic Task Machine (ATM) machine for logistics packages is a machine vision to measure the dimensions and other components in form load cell, which serves to measure the mass of an object. This machine design was development the addition of components such as insert card, screens, navigation buttons, receipt printers, automatic package doors and a storage room delivery mechanism. Method of Analytical Hierarchy Process (AHP) was chosen to determine the ATM design for the optimal logistics package for the best alternative decision. The questionnaires were made to get priority consumer needs, which it used for the initial design. The consumer needs questionnaire was based on several indicators, namely: ergonomics, measurement of dimensions and weight, package transmission and package storage. The next stage was selecting the optimal design using AHP, which involves Expert based on the indicator of a product. The highest indicator value obtained for the logistics package ATM is "dimension and weight" with a value of 5.22 and the optimal design choice was "alternative 3". The optimal design choice was analyzed using the Design for Manufacturing (DFM) approach to consider the cost of manufacturing product, which aims to minimize the cost of making ATMs for logistics packages.
Effect of Cutting Depth and Feed Speed to Surface Roughness in Lathe Process of Screw Conveyor Shaft (Case Study: PT. RAPP) Junaidi Abdul Khair; Deni Pranata; Ujang Nuhadek
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 64 No 2 (2020): 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 (402.755 KB) | DOI: 10.36842/jomase.v64i2.200

Abstract

The metalworking process is one of the most important things in manufacturing of machine components, such as lathe process. Therefore, it is required continuously innovation to improve production quality. There are several ways to do this, for example by choosing the right type of tool, depth of cut, and spindle speed. In turning process for the production of goods is very important to produce a precision product in accordance to desiring of size and roughness. The turning speed of a lathe has a type of spindle rotation rate that is used according to production requirements, which uses a rotational speed that can be changed the rate of rotation of the machine, in order to determine the level of surface roughness in the turning process. One is affected the optimal conditions of the turning speed and feeding rate. In this paper, the variations of different rotational speed levels of low speed, medium speed and high speed according to variations of feeding rate in order to know the difference in roughness results for the screw conveyor shaft operation. The roughness was measured on the surface turning process using a reference of surface roughness stand comparator (ISO2632 / I-1975). The result of test revealed the greater speed of feed rate, the greater value of roughness. Reversely, the smaller speed of feed rate affected the lower roughness value.
Co-Authors Abdul Khair Junaidi Dodi Sofyan Arief, Dodi Sofyan Ujang Nuhadek