Rim And Sace Alignment

Question 1

Which Dial reads offset misalignment

Answer 1

Rim dial

Question 2

Which dial reads angular misalignment

Answer 2

Face dial

Question 3

What are the two types of soft foot?

Answer 3

Angular and parallel soft foot

Question 4

When should rough alignment be done and to be with in what tolerance?

Answer 4

Rough alignment should be done first and to with in 10mils. That way machine is in place to check for soft foot.

Question 5

What is run out and how do u check for run out?

Answer 5

Runout is when the shaft does not run true. To check for run place a dial indicator on the machine with the plunger riding on the shaft ( watch for key ways )

Question 6

What are the types off run out?

Answer 6

Accentric , eccentric and angular

Question 7

What is end float? And which dial in rim and face with end float effect?

Answer 7

End float is when the shaft can move back and forth in a horizontal axis. To eliminate hold shaft in one position and rotate while taking reading.

Question 8

How should you setup for a rim and face alignment?

Answer 8

Dial indicators should be mounted so that the dial plungers sit and resting with travail room on the fixed machine

Question 9

What is the purpose of taking sweep readings?

Answer 9

To check the set up and balance the dials with in 4mils

Question 10

What is bolt bound and how can you fix it

Answer 10

Affects horizontal movements. Can be fixed by slotting the hole or shaving the bolt down to the bolt thread dia

Question 11

The most common type of misalignment?

Answer 11

Combination= angular and offset

Question 12

What is the maximum allowable soft foot for an alignment?

Answer 12

With in 2mils

Question 13

What are the 3 types of misalignment in rim and face?

Answer 13

Offset, angular or a combination or both