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Dive into the research topics where Man-Kyung Ha is active.

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Featured researches published by Man-Kyung Ha.


Ksme International Journal | 2002

Evaluation of wheel life by grinding ratio and static force

Jae-Seob Kwak; Man-Kyung Ha

A degree of sharpness in wheel grains affects the surface roughness and dimensional accuracy in the grinding process. If a wheel with dull grains is used, the grinding force is increased and the surface roughness is deteriorated. In ovder to produce a precision component economically, the magnitude of the wear amount in the grinding wheel has to be limited. In this study, experimental evaluation of a wheel life varying with the grinding ratio and static grinding force was conducted. The grinding ratio and grinding force were measured to seek the grinding performance of the WA wheel. The relationship between the grinding ratio and static grinding force was presented.


Journal of Materials Processing Technology | 2004

Neural network approach for diagnosis of grinding operation by acoustic emission and power signals

Jae-Seob Kwak; Man-Kyung Ha


The International Journal of Advanced Manufacturing Technology | 2004

Detection of dressing time using the grinding force signal based on the discrete wavelet decomposition

Jae-Seob Kwak; Man-Kyung Ha


The International Journal of Advanced Manufacturing Technology | 2004

Intelligent diagnostic technique of machining state for grinding

Jae-Seob Kwak; Man-Kyung Ha


Journal of Materials Processing Technology | 2004

Machining characteristics of mold material in high-speed grinding

Man-Kyung Ha; Jae-Seob Kwak; Yung-Mo Hwang; Jin-Seo Chung


Journal of the Korean Society of Manufacturing Process Engineers | 2008

Effect of Process Parameters on Residual NCO and Viscosity of Pre-Polymers

Sang-Oh Kim; Man-Hee You; Man-Kyung Ha; Jae-Seob Kwak


Journal of the Korean Society of Manufacturing Process Engineers | 2008

A Study on the Design of Horizontal Traverse Units in an Automatic Object Changer Unit to Establish a Flexible Production System (Part 2)

Hoo-Myung Park; Jae-Kyung Sung; Yong-Joong Lee; Man-Kyung Ha


Journal of the Korean Society of Manufacturing Process Engineers | 2008

A Study on the Design of Upward and Downward Traverse Units in an Automatic Object Changer Unit to Establish a Flexible Production System (Part 1)

Hoo-Myung Park; Jin-Kab Kang; Yong-Joong Lee; Man-Kyung Ha


Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 | 2005

Optimization Strategies of Grinding Parameters for Metal Matrix Composites by Design of Experiments and Genetic Algorithm(Grinding technology)

Jae-Seob Kwak; In-Kwan Kim; Yang Koo; Man-Kyung Ha; Young-Soo Kim


Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 | 2005

Application of Hall-Effect Sensor on Characteristic Evaluation of External Cylindrical Grinding Process(Grinding technology)

Man-Kyung Ha; Jae-Seob Kwak; Sang-Oh Kim

Collaboration


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Jae-Seob Kwak

Pukyong National University

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Jin-Seo Chung

Pukyong National University

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Sang-Oh Kim

Pukyong National University

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Yung-Mo Hwang

Pukyong National University

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In-Kwan Kim

Pukyong National University

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Tae-Kyung Kwak

Pukyong National University

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Yang Koo

Pukyong National University

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