THE EFFECTS OF SPINDLE SPEED AND FEED RATE ON HOLE QUALITY IN DRILLING OPERATION: THE TAGUCHI BASED DESIGN OF EXPERIMENT

Q3 Engineering

Journal of Mechanical Engineering Research and Developments Pub Date : 2019-09-11 DOI:10.26480/jmerd.05.2019.187.189

Na Mohd-Lair, M. F. I. Mohd-Shahdun, A. Mohd-Tahir, J. Paulus-Dua

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引用次数: 2

Abstract

In manufacturing, the quality of holes produced is very important. For instance, the hole size may determine the ability of two parts to be assembled. At the same time, the hole surface may also contribute to the ease in assembly process. However, the quality of holes produced in drilling operation is affected by drilling parameters such as the drill speed and feed rate. Therefore, it is necessary to determine the suitable drilling parameters’ setting such that optimum hole quality can be achieved. This project aimed to determine the effect of drill speeds and feed rates on material surface roughness and radius accuracy. The experiment was designed based on the Taguchi method. The drilling operation was conducted using Okuma CNC milling machine on mild steel plate with different settings of spindle speeds and feed rates. The experimental results showed that the spindle speed affects significantly the surface roughness and radius accuracy. Whereas, the feed rate is only affect significantly the surface roughness. Besides, it is found that the optimum spindle speed and feed rate are 500 rpm and 150 mm/min to produce the minimum surface roughness. At the same time, the analysis also shown that the optimum spindle speed and feed rate to produce maximum radius accuracy are at 2000 rpm and 150 mm/min.

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钻孔过程中主轴转速和进给量对孔质量的影响&基于田口的实验设计

在制造中，孔的质量是非常重要的。例如，孔的大小可以决定两个零件组装的能力。同时，孔表面也有助于简化装配过程。然而，在钻井作业中，钻速和进给速率等钻井参数会影响孔的质量。因此，有必要确定合适的钻井参数设置，以达到最佳的孔质量。该项目旨在确定钻速和进给速率对材料表面粗糙度和半径精度的影响。实验采用田口法设计。采用Okuma数控铣床在不同主轴转速和进给速率下对低碳钢板进行了钻孔加工。实验结果表明，主轴转速对表面粗糙度和半径精度影响较大。而进给量仅对表面粗糙度有显著影响。此外，发现最佳的主轴转速和进给速度为500 rpm和150 mm/min，以产生最小的表面粗糙度。同时，分析还表明，产生最大半径精度的最佳主轴转速和进给速度分别为2000 rpm和150 mm/min。

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来源期刊

Journal of Mechanical Engineering Research and Developments Engineering-Computational Mechanics

自引率

0.00%

发文量

审稿时长

9 weeks

期刊介绍： The scopes of the journal include, but are not limited to, the following topics: • Thermal Engineering and Fluids Engineering • Mechanics • Kinematics, Dynamics, & Control of Mechanical Systems • Mechatronics, Robotics and Automation • Design, Manufacturing, & Product Development • Human and Machine Haptics Specific topics of interest include: Advanced Manufacturing Technology, Analysis and Decision of Industry & Manufacturing System, Applied Mechanics, Biomechanics, CAD/CAM Integration Technology, Complex Curve Design, Manufacturing & Application, Computational Mechanics, Computer-aided Geometric Design & Simulation, Fluid Dynamics, Fluid Mechanics, General mechanics, Geomechanics, Industrial Application of CAD, Machinery and Machine Design, Machine Vision and Learning, Material Science and Processing, Mechanical Power Engineering, Mechatronics and Robotics, Artificial Intelligence, PC Guided Design and Manufacture, Precision Manufacturing & Measurement, Precision Mechanics, Production Technology, Quality & Reliability Engineering, Renewable Energy Technologies, Science and Engineering Computing, Solid Mechanics, Structural Dynamics, System Dynamics and Simulation, Systems Science and Systems Engineering, Vehicle Dynamic Performance Simulation, Virtual-tech Based System & Process-simulation, etc.