Complete 3D Inspection, Analysis and Virtual Assembly of the LP section of a compressor.

2. Section I: Rotor Analysis
Origin Metrology Group, LLC | (888) 214 2573 | www.originmetrology.com

3. Rotor Axial Dimensions
Zero Reference from Suction End of Rotor to all Impeller Faces
View Reference: Side View
Origin Metrology Group, LLC | (888) 214 2573 | www.originmetrology.com
Suction
End

4. Rotor Diameter Dimensions
Diameters in Relationship to themselves
View Reference: Side View
Origin Metrology Group, LLC | (888) 214 2573 | www.originmetrology.com
Suction
End

5. Section II: Case Analysis
Origin Metrology Group, LLC | (888) 214 2573 | www.originmetrology.com

6. Lower Case Split-Line Flatness
Flatness of Split-Line to Itself
View Reference: Top Down
Origin Metrology Group, LLC | (888) 214 2573 | www.originmetrology.com

7. Upper Case Split-Line Flatness
Flatness of Split-Line to Itself
View Reference: Top Down
Origin Metrology Group, LLC | (888) 214 2573 | www.originmetrology.com

8. Section III: Virtual Assembly
Origin Metrology Group, LLC | (888) 214 2573 | www.originmetrology.com

9. Axial Clearances
Rotor Impeller Outer Face to Case Clearance
View Reference: Top Down
Origin Metrology Group, LLC | (888) 214 2573 | www.originmetrology.com
Suction
End
Thrust
End
1A
1B
2A 3A
2B 3B
4A 5A
4B 5B
6A 7A
6B 8B7B
8A
A
Suction
Side
Thrust
Side
1 0.351 0.169
2 0.358 0.186
3 0.329 0.261
4 0.375 0.197
5 0.488 0.190
6 0.328 0.238
7 0.417 0.223
8 0.431 0.187
B
Suction
Side
Thrust
Side
1 0.349 0.175
2 0.399 0.203
3 0.352 0.246
4 0.324 0.184
5 0.501 0.190
6 0.317 0.224
7 0.413 0.228
8 0.389 0.185

10. Axial Clearances
Rotor Impeller Inner Face to Case Clearance
View Reference: Top Down
Origin Metrology Group, LLC | (888) 214 2573 | www.originmetrology.com
Suction
End
Thrust
End
1A 2A 3A
4A 5A 6A 7A 8A
1B 2B 3B
4B 5B 6B 8B7B
A
1 0.183
2 0.189
3 0.187
4 0.151
5 0.152
6 0.153
7 0.153
8 0.159
B
1 0.181
2 0.191
3 0.180
4 0.155
5 0.153
6 0.155
7 0.156
8 0.154

11. Labyrinth Seal Clearances - Transverse
Diaphragm Seal Clearance to Rotor Surface
View Reference: Top Down
Origin Metrology Group, LLC | (888) 214 2573 | www.originmetrology.com
Suction
End
Thrust
End
.013”
.011”
.009” .008”
.008”
.007”
.004”.015” .010”
.011”
.011”
.008”
.005”
.009” .010”
.010” .013”
.013”
.015”
.014”

12. Labyrinth Seal Clearances - Transverse
Diaphragm Seal Clearance to Rotor Surface
View Reference: Top Down
Origin Metrology Group, LLC | (888) 214 2573 | www.originmetrology.com
Suction
End
Thrust
End
.012”
.016”
.018”
.014”
.010” .012”.014”
.022”
.010” .012”
.015” .022”
.008”
.008”

13. Labyrinth Seal Clearances – Vertical
Diaphragm Seal Clearance to Rotor Surface
View Reference: Top Down
Origin Metrology Group, LLC | (888) 214 2573 | www.originmetrology.com
Suction
End
Thrust
End
.019”
.004”
.016” .000”
.002”
.001”
.002”.023” .005”
.006”
.006”
.011”
.005”
.014” .012”
.007” .007”
.007”
.000”
.011”
Lower
Upper

14. Labyrinth Seal Clearances - Vertical
Diaphragm Seal Clearance to Rotor Surface
View Reference: Top Down
Origin Metrology Group, LLC | (888) 214 2573 | www.originmetrology.com
Suction
End
Thrust
End
.007”
.023
.018”
.020
.018” .004”.019”
.021”
.015” .018”
.024” .026”
.007”
.003”
Lower
Upper