Vertical Band Saw - Avoid This Expensive Mistake

One of the problems that woodworkers experience when using their vertical band saw is that the saw seems to be underpowered, has poor tracking and severely cupped kerfs. As a result their vertical band saw ends up only being used to cut thin stock. This is not good.

What often causes this is the use of a vertical band saw blade that has too many teeth or points per inch (tpi and ppi). There is not enough room for the sawdust to escape. This results in the sawdust becoming packed in the kerf creating friction and excessive heat.

What Is The Kerf: Kerf refers to the width of the cut that the saw makes. Because the saw teeth are splayed outwards the kerf is normally wider than the blade so the blade is allowed to move through the cut without binding or sticking. Even though the term kerf is used to indicate how wide the saw blade is, it technically means the width of the cut.

The excessive heat causes the blade in the vertical band saw to become blunt and it loses its edge very quickly and therefore becomes very inefficient. This build up of heat can also cause the blade to move backwards and sideways which creates a rounded cut rather than a straight one. Tightening the saw at this point will not help.

If you fit a ½ inch carbon steel skip tooth blade with 3 teeth per inch to the vertical band saw will perform almost any job without these problems. I use this for ripping, resawing, on hardwoods and softwood, cutting shoulders on joints, squaring panels and much, much more.

Here is my Top Tip.
A vertical band saw blade is inexpensive, especially if you can buy more than one at a time. Having a good spare sharp blade will allow you to keep running and getting the most out of your machine.

By: Sinead Douglas

Article Source: http://www.directorys.uniquearticles.info

More advice and information can be found at VerticalBandSaw www.verticlebandsaw.org

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