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Kerf Loss

Kerf Loss

Kerf Loss

(OP)
Can anyone shed some light on this term for me please?
i.e. History, meaning, application etc
Thanx

RE: Kerf Loss

It is the amount of material, chip width, taken out of a piece of material that is being machined usually associated with a saw, though other tools will have kerf.  In a saw it is determine by the type of saw teeth , the pitch, and set of the teeth.
The origin of the word is English according to the Woodright on Public TV.  

RE: Kerf Loss

  Also how good the machine is.  Kerf is used interchangeably (and technically incorrectly) with the width of the tool.   A wobbly saw blade has the same width but a larger kerf.   

Kerf loss is why you can’t cut two  4 foot pieces out of an 8 foot sheet.    Take 0.150” out of the middle for the width of the cut (kerf.)

Incidentally a reduction in kerf of 0.003”  can be worth $50,000 a year to a big saw mill.  

Tom


RE: Kerf Loss

The term kerf is also applied to various flame cutting processes such as laser, plasma, or oxy-fuel cutting. Along with the kerf of a cut there is also bevel which is taper generated by the process. Bevel is very apparent in plasma cutting. Some people use the term kerf incorrectly as a replacement for bevel.

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