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HOLE CUTTER WITH MINIMUM TOOTH PITCH TO BLADE BODY THICKNESS RATIO

机译:最小齿距的孔刀到刀片的厚度比

摘要

A hole cutter for cutting a work piece, such as a wood and/or metal work piece, has a substantially cylindrical blade body defining a wall thickness within the range of about 0.032 inch to about 0.038 inch, and a cutting edge formed on one end of the blade body including a plurality of teeth defining an average tooth pitch within the range of about 3.5 TPI to about 5.5 TPI for cutting the work piece and forming chips therefrom. The substantially cylindrical blade body and cutting edge define an average tooth pitch to blade body thickness ratio of at least about 110.
机译:用于切割诸如木材和/或金属工件的工件的孔切割器具有大致圆柱形的刀片主体,该刀片主体的壁厚限定在约0.032英寸至约0.038英寸的范围内,并且在其一端形成有切削刃。刀片主体的包括多个齿的齿限定了平均齿距,该平均齿距在约3.5 TPI至约5.5 TPI的范围内,以用于切割工件并由此形成切屑。大致圆柱形的刀片主体和切削刃限定出至少约110的平均齿距与刀片主体的厚度比。

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