Woodworking tools, angle, weight and terminology

Not all of the woodworking machinery angle scale are created equally. In fact, there are two different conventions for the calibration of angle scales commonly used on Woodworking machines. One type of scale is calibrated to treat the right as a 90 degree cut, while the other is considered to be the right scale as 0 degrees. Along with that don't make the concepts used in woodworking to describe bevel cuts on the origin of the angle measurements of absolutely clear. The result is often some confusion about what it means to cut a piece of wood at a certain angle. Fortunately, the confusion is easily cleared up the sight of several woodworking terms that refer to the angled cuts ("sharp" and "oblique"), and on how the two saw that the scales are set to measure the angles.

The term "right" means reduce the plate at an angle of 90 degrees, as opposed to one of its borders. The term "miter"-when it is used to describe an angled cut-means the comparison to the right. To make a sharp cut means to make other than a square cut in the material in preparation for the production of joints. According to, MITRE cuts are measured relative to the right. 22-1/2 degree sharp cut, which means for example, cutting a 22-1/2 degrees in one direction or the other from the across the Board.

You may have noticed that most power miter saw are adapted to this terminology. Most miter saw, angle of the scale are set so that the saw will be right, when the saw angle scale is set at 0 degrees. One way to look at it is that the miter saw the scale is set to "miter" this is the amount of the crop, and that setting the saw cut 90 degrees to the right across the Board, in essence, that reduce the "miter fits 0 degrees".

Table saw miter gauge, on the other hand, are typically calibrated to produce the right, when they are set at 90 degrees. Miter saws to assess what measures, in other words, is the angle difference between the front edge of the miter gauge and the plane of the saw blade. Get the same cut that creates a miter saw set at 30 degrees, you will need to set up a typical miter at 60 degrees.

Switching between the two scales is very simple. As you probably remember from class geometry, the two acute (less than 90 ° angle) of a right triangle are complementary angles (add up to 90 degrees). Whereas that intersection on the edge of bevel cuts and reference lines of the two calibration systems form a right triangle, are the settings that will produce identical pieces from one scale to the next supplementary angles.

Strictly speaking, the term "shear" to describe an angled cut, but usually refers to the slice that is angled relative to the face of the material. Shear cut angle is almost always measured the right edge. 22-1/2 degree bevel setting the position of the blade on the saw table 22-1/2 degrees relative to the most upright position. Most of the cutting angle milling head follow the Convention (with the exception of that used the term "ramp up" instead of "shear" to describe bevel cuts to)-the cutting edge a little 22-1/2 degree bevel inside tips from the surface of the base of the router or the surface of the table of the router table in a 67-1 1/2 degree angle.

Know the terminology and the angle of the calibration scale conventions used in woodworking-along with a little common sense is all it takes to get your tools created to oblique slices that you are looking for. Starting on the next page, we take a look at some of the maths that goes to make angled cuts and shapes with parts of "odd angle."

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