Impact Energy Measurement of a Hydraulic Breaker

Abstract:

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A hydraulic breaker for construction machinery generally used for the destroying and disassembling of buildings, crashing road pavement, breaking rocks at quarry and so on. So the measurement of the impact energy of a hydraulic breaker is very important thing to prove its capability to manufacturers and customers. In this study, the test system for measuring the impact energy of a hydraulic breaker was designed and constructed. The test system was consisted with hydraulic cylinders for mounting a breaker, impact absorbing base and frames, pressure and flow sensors, high speed and accurate data acquisition system  diesel engine driven hydraulic power unit. The test process of the developed system was carried by measuring guide for tool energy rating for hydraulic breakers which was developed by the CIMA (Construction Industry Manufacturers Association) USA. The developed test system can be applied to measure the impact energy for various kinds of hydraulic breakers.

Info:

Periodical:

Key Engineering Materials (Volumes 326-328)

Edited by:

Soon-Bok Lee and Yun-Jae Kim

Pages:

1669-1672

DOI:

10.4028/www.scientific.net/KEM.326-328.1669

Citation:

J. W. Park and H. E. Kim, "Impact Energy Measurement of a Hydraulic Breaker", Key Engineering Materials, Vols. 326-328, pp. 1669-1672, 2006

Online since:

December 2006

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Price:

$38.00

[1] Geun-Ho Lee, Young-Bum Lee, Ki-Young Lee, Development the Test System of Impact Energy Using the Pressure Variation in Closed Vessel for Hydraulic Breaker, Transactions of Korea Institute of Machinery and Materials, 2002, Vol. 32, pp.45-53.

[2] Kwihyun Choi, Changseop Song, A Study on the Performance Improvement of a Hydraulic Breaker, Transactions of Korean Society of Precision Engineering, 1998, pp.1028-1031. (in Korean).

[3] Wonjune Sung, Taebong Noh, Changseop Song, A Study on the Reducing the Return Line Pressure Fluctuation of the Hydraulic Breaker System, Journal of Korean Society of Precision Engineering, 2002, Vol. 194. (in Korean).

[4] CIMA (Construction Industry Manufacturers Association), Measuring Guide for Tool Energy Rating for Hydraulic Breakers, Milwaukee, USA, (1996).

[5] IEEE 1057, Digitizing Waveform Recorders.

[6] ASTM E251, Test Method for Performance Characteristics of Metallic Bonded Resistance Strain-gages.

[7] NAS 942, Strain-gages Bonded Resistance.

[8] Ferdinand P. Beer, Jr. E. Russell Johnston, Mechanics of Materials, Mc Graw-Hill, 1991, chapter 10. � � �QWH�UDW�RQ��QWHUYD�� � � � � � W � � � � � W.

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