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Shvoong Home>Science>Deflection and Distortion of Diamond Blade during Marble Frame Sawing Summary

Deflection and Distortion of Diamond Blade during Marble Frame Sawing

Article Summary   by:TsingHua     Original Author: Diamond & Abrasives Engineering
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Based on the previous studies of frame sawing process of marble by diamond blade, the pretension and the distortion were analyzed by non - linear finite element method. The deflection of blade, the strain and the stress of the blade especially on the welded point of segment on blade were calculated under different sawing condiyions, including sawing force per segment, segment spaces and the excentric distance of tension loading etc. . In general excentric loading on blade was considered to make the blade contact the stone in straight line during cutting process, this opinion was not supported by the results in this report, the blade was concavity notwithstanding with local flatten bottom in some cutting conditions. The deflection of blade were decided not only by excentric distance and pretension loading, but also by the cutting conditions such as the contact length between segments and stone, the sawing forces acted on different segments etc. The pretension will help avoiding the failure of blade caused by distortion. The stress on the welded point of segment was in the range of permission, but the fatigue caused by sawing forces must be considered further.
Published: June 30, 2005   
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