My write up on how to do shaft alignment and the various methods for alignment checks. Notes from ABS handbook.
Manual
Shaft Alignment
HIGHWAY ALIGNMENT PROJECT
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Alignment Review Plane / Line / Point
Alignment Theory Video (Click button to play).
Example Alignment Datum A (Primary Datum): Plane Datum B (Secondary Datum): Line Datum C (Tertiary Datum): Point Plane (Datum A)
Line (Datum B) Point (Datum C)
Alignment Procedure: Level 1.
Measure a Plane on Datum A with at least 3 points in a triangular pattern and then press Done on the jogbox.
b. Select the vector direction.
2.
Open the Alignment Utilities dialog box (Insert > Alignment > New).
3.
Make the dialog selections as shown.
a. Pick the Level Feature.
c. Push the Level button.
Alignment Procedure: Rotate 4.
Measure a Line on Datum B from left to right and then press Done on the jogbox.. b. Select Rotate to: XPLUS (the line direction). c. About: ZPLUS (the Level direction).
5.
Open the Alignment Utilities dialog box (Insert > Alignment > New).
6.
Make the dialog selections as shown.
a. Pick the Rotate Feature.
d. Push the Rotate button.
Alignment Procedure: Origins 7.
Measure a Point on Datum C and press Done on the jogbox..
8.
Open the Alignment Utilities dialog box (Insert > Alignment > New).
9.
Make the dialog selections as shown.
a. Pick the Point b. Check X d. Pick the Line c. Push Origin e. Check Y f. Push Origin
g. Pick the Plane h. Check Z i. Push Origin
Alignment Verification Ctrl
10.
Open the Probe Readout Window – remember the shortcut key.
11.
Position the probe (ruby tip) at the approximate location of the origin. Observe the X, Y and Z values in the Probe Readout Window are approximately zero.
12.
Move the probe along the X axis of the part and observe the X values in the Probe Readout Window count positive.
13.
Move the probe up in Z and observe the Z values in the Probe Readout Window count positive.
14.
The direction of the Y axis follows the right hand rule as shown.
Level Direction
Rotate Direction
This third direction is forced mutually perpendicular to the two previous direction vectors based on the right hand rule.