Cross Dial/Rim & Face

Question 0

Rough alignment for both CD & RF

Answer 0

• 10 mil allowance for vertical alignment

- 2 mil allowance for soft foot

Question 1

Cross Dial

Answer 1

• uses 2 dial indicates mounted 180 apart on both RIM’s only. No face dial readings
• both shafts must move together
• keep dials apart for a better reading

Question 2

The ‘0’ on a graph represents?

Answer 2

The centreline of the fixed machine

Question 3

MTBS

Answer 3

Machine to be shimmed

Question 4

The A and B are zeroed where with cross dial?

Answer 4

A is zeroed on the top and B is zeroed on the bottom

Question 5

Guideline for offset misalignment?

Answer 5

.002 or 2 mil

Question 6

Angular Misalignment minimum

Answer 6

.0002 inches per inch of the coupling diameter.

Question 7

B dial is mounted to?

Answer 7

Fixed machine

Question 8

B dial reads the?

Answer 8

MTBS

Question 9

Dial Bar Sag for cross dial?

Answer 9

gets added to A and subtracted to B

Question 10

What do you do with jacking bolts?

Answer 10

Back them off after you have tightened the leg bolts

Question 11

Before adding bar sag what do you need to remember?

Answer 11

Ensure horizontal and vertical numbers are balanced

Question 12

Where do A and B move after you have H1 & H2?

Answer 12

• Both move towards or away from where you zero’d A.

- A is King, B is just for the calculate

Question 13

What are the first steps before starting the math for cross dial?

Answer 13

1. Balance horizontal and vertical
2. Zero dials ( horizontal & vertical)
3. Add/subtract dial bar sag
4. Solve equation
5. Make both moves off A

Question 14

What are the first steps before starting the math for rim & face?

Answer 14

1. Balance horizontal and vertical
2. Zero dials on west
3. Add dial bar sag to only rim
4. Solve equation
5. Make both moves

Question 15

The “x” in the formula?

Answer 15

Distance between the A & B dials

Question 16

Eccentricity

Answer 16

Coupling runout due to it being out of round

Question 17

Measurement accuracy for machine feet to dial for L1 & L2

Answer 17

1/8 inch

Question 18

“D” in rim and face formula

Answer 18

Swing diameter if the face dial

Question 19

Based on a graph how do you determine the alignment is within specs.

Answer 19

-

Question 20

Plant policy question

Answer 20

-With the vertical line, the halfway point between the A & B line