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Lindsay Graver Point Geometry

Template Graver Sharpener helps grind this point easily

The Patented Uniform-Parallel Point is a V shaped graver point with relieved heels that works with any width V graver point, from a narrow V to a wide V.  The most noticeable feature of the geometry is parallel width heels with two long secondary relief facets on the bottom of the point.
 U.S. Patent # 7,032,586

An insight on the United States Patent System by Michael Artemis

CLICK FOR SHARPENER INSTRUCTIONS


One pre-sharpened Carbalt graver with this point is included with an AirGraver handpiece.

Benefits of the Point Geometry
The five photographs illustrate the problem of heel drag with the traditional graver points, showing how the uniform point eliminates it. The photographs were taken through a scope.  The cuts are on a steel practice plate.   Click the photos to enlarge

The photo above is an overall shot of the plate. The two gravers that were used are lying on the plate rotated so that the heels of the gravers are visiable. The upper row of cuts were made using the uniform point, and the lower row were made with a traditional point.

The two photos below are close-ups of the above plate traditional point cuts.   Click photos to enlarge

The two photos below are close-ups of the above plate uniform point cuts. Click photos for more detail

Additional benefits
The heel relieving graver can go deeper into the metal than a traditional graver point using the same power level. The heel on the traditional graver point is actually giving more resistance as it is driven through the metal. This is especially evident around corners like those shown in the sample plate.

The uniform parallel geometry has a shorter heel because of the secondary relief facets, and allows the edge to cut  through the metal clean and without drag.

The Uniform-Parallel Point™ is similar to having two flat graver points joined together to form a V. While engraving, lean it to one side or the other and it will cut wide like a flat point. This makes the point versatile and allows a it to vary the width of the cut easily.


Click to Enlarge
 

 


 


 

 

 

 

Lindsay Graver Sharpening System uses templates to reproduce various points easily and accurately.
Fixture comes with the Universal (116 degree) template graver sharpening products


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