There is a mechanism on most table saws that allows the arbor to be tilted for making angled (bevel) cuts. In the example above, it would seem like the gap is pretty big and should be pretty easy to eliminate.
If the accuracy of angle cuts is measured in terms of degrees, then the amount of acceptable error depends on the length and width of each member.
Rather than determine how long each joint is and convert the gap width to degrees, it’s much easier to measure angular accuracy in terms of how much gap (or deviation) exists between the perfect (ideal) angle and the sample being measured. If you could accurately measure the results of a test cut, then you can save yourself a lot of time and scrap wood. In order to avoid test cuts altogether, you have to know what your machine setting will produce before the first cut is made.
The Angle Attachment Gage is attached to the dial indicator on the TS-Aligner Jr.  The squared up blade is used to locate its proper position on the dial indicator stem. The Wixey Digital Angle Gauge is first calibrated on the table surface.  Since it depends on gravity, a square is used to ensure that the Wixey is oriented properly. Then the stylus is raised to the top of the angle block.  Any change in reading indicates that the blade is not tilted to the proper angle.


A quick reference table is included on the back cover of the User’s Guide so that angles can be easily determined without the need to do any calculations.
Numbers for the Wixey Digital Angle Gauge are expressed in degrees.  The numbers for TS-Aligner Jr.
If you require further details regarding the transaction data, please contact the supplier directly. Longer joints (from wider boards) will require higher angular accuracy than shorter joints. In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. The photo above shows how the Angle Attachment Gage is precisely machined to construct this right triangle geometry so that side A is measured by the dial indicator and side B is fixed at a precise distance.
Given enough time, patience, and scrap wood, it’s actually possible to obtain good results with this method.
When the length of side A is measured to be exactly the same as side B then the angle is 45°. The typical machinists protractor graduated to five minutes of arc generally starts at about $140.


The big advantage of this method is that you avoid the need to cut out all the parts for every trial.
You’ll be called upon to judge the gap and determine how much adjustment is necessary. In the end, you’ll be trying to make adjustments to within thousandths of an inch and these are extremely difficult to do by eye.
And, every cycle of the process involves cutting out all the parts to see how they fit. Most people who use this method generally settle for a larger gap than they originally wanted and resort to methods for hiding that error (like trying to even it out among all the joints). A growing number of woodworkers are coming to appreciate this approach and many manufacturers are now producing aftermarket accessories that help facilitate it.



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