Johnson Controls Frick NGC 100 - Torsional Analysis; Dimensions

070.550-IOM (JUN 2016)
Page 19
NGC GAS ROTARY SCREW COMPRESSOR
INSTALLATION - OPERATION - MAINTENANCE
Figure 14. Torsional Analysis, NGC and NGCH 400/450 Driveline and Gear Dimensions.
NGC/NGCH Driveline Dimensions (Less Gears)
SEGMENT DIAMETER* LENGTH*
1 3.5 1.54
2 4.13 3.61
3 4.33 2.39
4 5 .62
5 6.75 3.38
6 11.79
15.37 (NGC/H 400)
33.53 (NGC/H 450)
7 6.75 3.38
8 5 .62
9 4.33
4.96 (NGC 400/450)
6.16 (NGCH 400/450)
10 4
10.98 (NGC 400/450)
9.79 (NGCH 400/450)
11 See Gear Dimensions See Gear Dimensions
12 See Gear Dimensions See Gear Dimensions
13 4.33 2.36
14 5 5
15 See Gear Dimensions See Gear Dimensions
16 5 1.12
17 4.33 5
18 4 2.35
19 3.75 11
20 4 4.93
*Dimensions in inches
NGC/NGCH Gear Dimensions
GEAR
SET
SEGMENT*
11 11A 12 12A 15 15A
A 8.13 1.25 16.13 3 21.1 2.75
B 8.13 1.25 14.6 3 22.63 2.75
C 8.13 1.25 12.76 3 24.48 2.75
D 8.13 1.25 11.43 3 25.8 2.75
E 8.13 1.25 10.48 3 26.75 2.75
F 8.13 1.25 9.66 3 27.57 2.75
*Dimensions in inches
NOTE: 1. All segments are labeled on the driveline.
Refer to corresponding tables for dimensions.
2. Male rotor body diameter, Segment 6, is an equivalent
diameter which is dependent on rotor prole geometry.
3. Diagram is subject to change. This drawing is current
as of 04/16/2014 (Rev. 09). Article 3800 in the CES
manual displays current revision level.
4. This is a representation of an NGC and NGCH 400/450
driveline and intended to be used for torsional
vibration analysis.
1
32
4
5
6
8 9 10
11
13
14
16
17
18
19
Male Rotor
Jackshaft
20 12
11A 12A
15
15A
7
TORSIONAL ANALYSIS