Influence of Different Tool Electrode Materials on EDMed Surface Integrity of AISI P20 Tool Steel

Dewangan, Shailesh; Biswas, Chandan Kumar; Gangopadhyay, S.

doi:10.1080/10426914.2014.930892

Cited by 54 publications

(20 citation statements)

References 13 publications

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“…Electrical discharge machining (EDM) has been a popular nontraditional process technology which is capable of machining all kinds of electrically conductive materials, especially the materials that are difficult to be cut by the conventional process technologies [1,2]. With the developing of miniaturization trends, micro EDM has become one of the most effective and economical manufacturing processes in the area of micro-electromechanical systems (MEMS), high-precision masks and micro nozzles, because of its non-contact machining characteristics [3][4][5].…”

Section: Introductionmentioning

confidence: 99%

Effect of Electrode Size on the Performances of Micro-EDM

Liu

Zhang

Zhu

et al. 2015

Materials and Manufacturing Processes

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Understanding the effect of processing parameters on the tool electrode wear during micro electrical discharge machining (Micro EDM) is helpful to predict and compensate the electrode wear, so as to improve the machining precision. In this paper, experiments are carried out and the influences of tool electrode diameter on the micro EDM process are discussed based on the skin effect and area effect. It is demonstrated that the machining speed, tool wear and taper rate are different with the increase of tool electrode diameter. Due to the skin effect and area effect, larger electrode diameter results in higher material removal rate along with higher tool wear rate. The electrode material removal increment is more than the workpiece material removal increment with the increase of tool electrode diameter, which leads to the increase of relative tool wear ratio. Discharge energy is concentrated on the tool surface which enhances the possibility of discharge on the side face and the corner of the tool electrode during the micro EDM, especially when drilling with a larger tool electrode. As a result, a tool electrode with larger diameter results in a higher taper rate.

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Section: Introductionmentioning

confidence: 99%

Effect of Electrode Size on the Performances of Micro-EDM

Liu

Zhang

Zhu

et al. 2015

Materials and Manufacturing Processes

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“…During cutting process, researchers investigated if white layer takes place, and they measured the thickness of white layer. In addition, surface crack was the main point to investigate [7].…”

Section: E18mentioning

confidence: 99%

The Effect of Processing on The Surface and Subsurface Characteristic of Plastic Injection Mold Steel

Kamber¹,

Taşçıoğlu

2019

International Journal of Advances in Engineering and Pure Sciences

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AISI P20 is prehardened mold steel that is commonly used to manufacture plastic injection molding. The surface characteristics of molds play crucial role to control plastic injected molds parts. Besides, the characteristic of molds is mainly influenced by machining process, the manufacturing process to produce molds. This study presents the extensive experimental work focusing on the machining processing conditions on the surface characteristics of Plastic Injection mold steels. The input parameters are cutting speeds, feed rates and cutting inserts' geometry (wiper and non-wiper). The measured output parameters are subsurface hardness of machined parts and phase transformation induced from cutting process. Experimental results show that wiper insert significantly helps to improve surface quality of components. Besides, microhardness measurement shows that thermal softening occurs resulting from machining of this alloy. However, cutting speed has limited effect on the thermal softening response of this work material. XRD data illustrates peak broadening and increased intensity with machined samples.

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“…Any substantial or systematic reproduction, redistribution, reselling, loan, sub-licensing, systematic supply, or distribution in any form to anyone is expressly forbidden. Terms & Conditions of access and use can be found at http:// www.tandfonline.com/page/terms-and-conditions INTRODUCTION Owing to the unique material removal mechanism, electrical discharge machining (EDM) has been increasingly becoming popular in the manufacturing industry [1][2][3][4][5]. The material is removed by the successive electrical sparks created between anode and cathode [6,7].…”

Section: Please Scroll Down For Articlementioning

confidence: 99%

Effect of Crystallographic Anisotropy on Micro EDM Process

Liu

Zhang

et al. 2014

Materials and Manufacturing Processes

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In this paper, experiments are conducted by machining from different crystallographic orientations of monocrystalline silicon, and the effects of crystallographic orientation on the micro electrical discharge machining (EDM) process are discussed. The results demonstrate that the machining speed and surface roughness are varied when crystallographic orientation changes. The surface roughness is seen to vary by as much as twofold with crystallographic orientation, while the ratio between the maximum and minimum values of material removal rate is 1.76. The unique material removal mechanism of micro EDM enhances the effects of crystal anisotropy on micro electrical discharge machining process.

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Influence of Different Tool Electrode Materials on EDMed Surface Integrity of AISI P20 Tool Steel

Cited by 54 publications

References 13 publications

Effect of Electrode Size on the Performances of Micro-EDM

Effect of Electrode Size on the Performances of Micro-EDM

The Effect of Processing on The Surface and Subsurface Characteristic of Plastic Injection Mold Steel

Effect of Crystallographic Anisotropy on Micro EDM Process

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