A new metric for assessing the surface roughness of agate plates cut by abrasive water jet

Agate plate cut by abrasive water jet (AWJ) process has several methods for assessing its quality, but there is no consensus among researchers about to which one is the most accurate and consistent method to use. The present work presents a new approach to classify the quality level of an agate surf...

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Bibliographic Details
Published in:International journal of advanced manufacturing technology 2020-02, Vol.106 (11-12), p.4903-4912
Main Authors: de Abreu e Lima Ipar, Carlos Edmundo, Neis, Patric Daniel, Ferreira, Ney Francisco, Heck, Daniel Juchem, Zibetti, Thomas Felipe
Format: Article
Language:English
Subjects:
Abrasive cutting
CAE) and Design
Computer-Aided Engineering (CAD
Criteria
Engineering
Hydraulic jets
Industrial and Production Engineering
Mechanical Engineering
Media Management
Original Article
Plates
Quality assessment
Surface roughness
Thickness
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Summary:Agate plate cut by abrasive water jet (AWJ) process has several methods for assessing its quality, but there is no consensus among researchers about to which one is the most accurate and consistent method to use. The present work presents a new approach to classify the quality level of an agate surface cut by the abrasive water jet process, which is called comparative roughness criterion ( R c c ). This method represents, in percentage terms, the thickness of the agate plate which is composed by the smooth zone (with good finish) in relation to the total thickness. An experimental study was conducted to validate this ratio, where the thickness of the smooth surface was defined by a surface roughness measured of the cut surface. A roughness ranging between 4 and 6 μ m was found in the border between the smooth and rough region of the agate plates cut by AWJ. Therefore, the comparative roughness criterion ( R c c ) based on roughness measurements proved to be a quantitative metric for evaluating the finish of cut agate plates under different AWJ processing conditions.
ISSN:0268-3768
1433-3015
DOI:10.1007/s00170-019-04752-5