Method for measuring R angle Wanhao projector

Methods two dimensional projector R angle measurement, there are two kinds of methods:

1, the use of circular concentric film circle compared with measured R angle, and then reading directly from the film projector.

2, use the C key to the two dimension on the overhead projector (roundness measurement function keys) to take measurements. At least three point, click C can increase the number of. The point is completed, on the left side of the window will appear in the R angle of the radius and diameter.

Note: the point to the arc part of the point, if taken to circular outer part, the error will be greater. Secondly, try to start and end arc take, start and end points are not the same, arc values differ with.

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