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Study on the mechanism for sparks in cutting metal with abrasive suspension water jet

  • Chiheng Qiang
  • Liucan Li
  • Xinyong Wang
  • Chuwen GuoEmail author
ORIGINAL ARTICLE
  • 16 Downloads

Abstract

As a cold processing method, water jet cutting method has the characteristic of no heat–affected zone compared with traditional cutting methods. It is especially suitable for processing materials sensitive to high temperature conditions. However, it is found that after adding abrasives, sparks often occur when water jet cutting some metals under certain conditions during the experiment. This phenomenon will inevitably restrict the development of abrasive suspension water jet (ASJ) cutting technology in mine and other dangerous working environments. In this paper, based on the experimental phenomena and the impact thermal characteristics of metals, the causes and critical conditions for sparks in cutting metal with ASJ were analyzed. The mathematical prediction model of the relationship between the maximum temperature of ASJ cutting metal and the jet parameters were established. Then, the critical conditions of sparks generation in ASJ cutting different metals under different jet parameters were deduced. And the model was preliminarily verified by cutting experiments of different metals.

Keywords

Abrasive suspension water jet Metal Jet cutting Spark 

Notes

Funding information

This study was funded by the Fundamental Research Funds for the Central Universities (2019BSCX24).

Compliance with ethical standards

Conflict of interest

The authors declare that there is no conflict of interest.

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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Electrical and Power EngineeringChina University of Mining and TechnologyXuzhouPeople’s Republic of China

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