Page 96 - Rotating Machinery Pratical Solutions to Unbalance and Misalignment

Rotating Machinery: Practical Solutions

0
330 30

60
300

270 90

240 120

210 150
180
Figure 5-21. Example (5.4) Plotting the E Vector

Bd = (D/E) units @ (D – E) degrees = (4.4/.9) units @ (36 -
5)
Bd = 3.7 units @ 19 degrees
c = (Ac/A) units @ (Ac – A) degrees = (6.4/6.3) units @
(253 - 198) degrees
c = 1 units @ 56 degrees
d = (Bd/B) units @ (Bd – B) degrees = (3.7/7.1) units @ (19
- 121) degrees.
d = .5 units b@ 258 degrees
CWN = (T1 × c) ounces @ (T1 – c) degrees = (8 × 1) ounces @
(270 - 56)
CWN = 8 ounces @ 214 degrees
CWF = (T2 × d) ounces @ (T2 – d) degrees = (10 × .5) ounces
@ (180 - 258) degrees
CWF = 5 ounces @ 282 degrees.