Orbital

Question 1

T or F

Circumference=Tube O.D x 3.141

Answer 1

T

Question 2

Circle the correct arc gap for tubing with a wall thickness of .035”

Answer 2

.030

Question 3

How many welding amps will the AMI 207 power Supply deliver plugged into the 220 V.A.C

Answer 3

150

Question 4

Circle the more appropriate I. P. M. TO weld .250 tube?

Answer 4

6.28

Question 5

What is the minimum pre purge time for 9-2500 weld head?

Answer 5

30 sec

Question 6

Calculate the RPM for .750 tube @ 5 IPM, then circle the correct answer.

Answer 6

2.13

IPM ÷ circumference = RPM

Question 7

What is the proper tungsten length for .375 tubing, having .035 wall thickness and using a 9AF- 750 weld head?

Answer 7

.783

Question 8

What is the maximum tube size that can be welded with AMI 9-1500 weld head.

Answer 8

1.500 “

Question 9

The maximum psi of the arc gas being supplied to the 207 shall not exceed?

Answer 9

50 psi

Question 10

If the wall thickness of the tube being welded is .049 what is the correct level 1 primary amps?

Answer 10

49

Question 11

At RPM would you manually calibrate a 9-1500 weld head and for how long?

Answer 11

4 RPM- 15 seconds.

Question 12

What determines Level 1 primary Amps?

Answer 12

Wall thickness

Question 13

What determines weld head pre and post purge times?

Answer 13

Size of the tube being welded.

Question 14

What are the background amps equal to?

Answer 14

30% of level 1 primary amps

Lol 1 primary amps x.30

Question 15

What determines the last level primary amps?

Answer 15

80% of level 1 primary amps