Uncoupled Alignment

A couple of considerations:

1 – Shafts are rotated independently.

2 – Use the inclinometers (outside two numbers) to match angles within less than .5 degrees before taking a measurement.

3 – The shafts might roll due to the weight of the sensors. Instead of trying to hold them, use a steady rest to hold the sensors in place in the horizontal plane. A dial indicator base with an adjustable arm and rods work great for this.

4 – Use the Verti-Zontal process to complete the alignment.

Here are some additional blog posts covering uncoupled shaft alignments.

• Aligning Uncoupled Machines
• Coupling Tolerances vs. Shaft Alignment Tolerances, revisited