Experimental study about dressing bronze-bonded diamond grinding wheels with pulsed fiber laser

CHEN Gen-yu; LI Zong-gen; DENG Hui; YUAN Bo; CHEN Jun

doi:10.7510/jgjs.issn.1001-3806.2013.06.001

LASER TECHNOLOGY > 2013 > 37(6): 705-711. > DOI: 10.7510/jgjs.issn.1001-3806.2013.06.001

CHEN Gen-yu, LI Zong-gen, DENG Hui, YUAN Bo, CHEN Jun. Experimental study about dressing bronze-bonded diamond grinding wheels with pulsed fiber laser[J]. LASER TECHNOLOGY, 2013, 37(6): 705-711. DOI: 10.7510/jgjs.issn.1001-3806.2013.06.001

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Experimental study about dressing bronze-bonded diamond grinding wheels with pulsed fiber laser

1.
State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha 410082, China;
2.
Laser Research Institute, Hunan University, Changsha 410082, China

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Received Date: February 03, 2013
Revised Date: March 03, 2013
Published Date: November 24, 2013

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Abstract

Abstract

In order to find a new method to dress super-abrasive grinding wheels, experiments were carried out on bronze-bonded diamond grinding wheels with a pulsed fiber laser irradiating in radial orientation. Its basic principle was analyzed. After the ablation of bronze-bonded wheel by means of a pulsed fiber laser, the surface morphology and depth of ablated craters were observed by 3-D video microscopy system with super depth of field and surfagauge, and the influences of laser average power, pulse repetition frequency and defocusing amount on the ablation effect were summarized. According to the experimental results, the laser dressing experiments were carried out with the best process parameters(Pm=20W, f=70kHz,Δ=0.0mm), and the surface topography after laser dressing was observed by a 3-D video microscopy system with super depth of field. The results show that, dressing of bronze-bonded diamond grinding wheels with a pulsed fiber laser irradiating in radial orientation can bring out good dressing effect with the reasonable processing parameters.
- laser technique,
- laser dressing,
- fiber laser,
- super depth of field 3-D video microscopy system,
- bronze-bonded diamond grinding wheel

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References

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