Attach 2 - Drawings combined.pdf
PDF 2 MB Posted
- Solicitation number
- W9127N26QA115
About this file
This document is a technical engineering drawing for the Dalles Lock and Dam Thrust Shoe component located on the Columbia River in Oregon-Washington. The drawing provides detailed specifications for a large cylindrical thrust shoe assembly with multiple views including cross-sections and elevation details.
The thrust shoe features a 107-inch outer diameter with a 45-inch inner diameter and includes a babbitt (bearing metal) wearing surface with precise flatness requirements. The babbitt surface must be flat or concave within 0.0015 inches radially and 0.0005 inches circumferentially, with convex surfaces being unacceptable. The steel backside must be flat within 0.001 inches. The component includes 12 shoes with various hole specifications: six shoes with 11/16-inch diameter holes for RTD (Resistance Temperature Device) sensors, and four additional shoes with dual RTD holes (two with 11/16-inch and two with 13/16-inch diameters). Additional features include lifting holes, dry seal pipe plugs, bronze inserts, and UNC thread specifications for assembly. The drawing incorporates multiple design iterations and dimensional annotations throughout the assembly, with detailed callouts for edge treatments, pocket dimensions, and material specifications appropriate for high-pressure hydroelectric turbine machinery.
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Text version
DDP-9-3-10/158
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4"-14NPTF
DRY SEAL PIPE
PLUG FOR HIGH PRESSURE
TO BE INSTALLED AFTER
HOLES ARE CLEAN
1 18"Ø
0.19"
4"-NPT BRONZE
INSERT
64"Ø DRILL X 2" DEEP
8"-11UNC-2B
16"Ø DRILL X 1.28" DEEP
8"-18NPT
8"Ø HOLE DRILL TO CONNECT
TO 29
32"Ø HOLE FOR HP LIFT
90°29 32"Ø
0.063"
1.19"Ø0.75"Ø
1"
LIFTING HOLE
64"Ø DRILL X 3 14" DEEP
1"-8UNC-2B
31.25"
16"RADIUS
BOTH SIDES
3.0"
14.12"
0.5"
87.00"Ø
24°
9.36" REF
CHORD
22.35" CHORD
45.0"Ø
45.5"Ø
107.5"Ø
107"Ø
LIFTING HOLE
64"Ø DRILL X 3 14" DEEP
1"-8UNC-2B
HOLE EXTENDS FOR RTD
16"Ø X 11" TOTAL DEPTH
ON ALL (12) SHOES
16"Ø DRILL X 2" DEEP
2"-13UNC-2B
LIFTING HOLE
64"Ø DRILL X 3 14" DEEP
1"-8UNC-2B
HOLE EXTENDS FOR RTD
ON (4) SHOES ONLY
(2) HAD 11
16"Ø X 11" TOTAL DEPTH
(2) HAD 13
16"Ø X 11" TOTAL DEPTH
16"Ø DRILL X 2" DEEP
2"-13UNC-2B
(ONLY ON 4 SHOES WITH
EXTRA RTD HOLE)
2.250"
1" TYP
BABBITT SURFACE OF SHOES
MUST BE FLAT OR CONCAVE
WITHIN 0.0015" AS MEASURED
RADIALLY FROM EACH EDGE
AND DIAGONALLY CORNER TO
CORNER, THE BABBITT SURFACE
OF THE SHOES MUST ALSO BE
FLAT OR CONCAVE WITHIN 0.0005"
AS MEASURED CIRCUMFERENTIALLY IN
3 PLACES. A CONVEX BABBITT
SURFACE IS UNACCEPTABLE.
THE STEEL BACKSIDE
OF THE SHOES
MUST BE FLAT
WITHIN 0.001".
1"
TYP
16"
2"
0.48"
1.03"
0.25"
1"
0.5"
3.0"
8"TYP
16"
TYP
8"TYP
0.50"
1.00"
0.25"
8"
TYP
4" BABBITT
THICKNESS
3"2 12" 4 3
16" 3" 2 12"
0.500"
1.53"Ø
6.25" 45° X 1
16" TYP
EDGES OF POCKET
0.25"R
| DDP-9-3-10_158 |
| DDP-9-3-10_158-1 |
| DDP-9-3-10_158-2 |
| DDP-9-3-10_158-2-2 |
| DDP-9-3-10_158-4 |
| DDP-9-3-10_158-5 |
| DDP-9-3-10_158-6 |
| DDP-9-3-10_158-7 |
| DDP-9-3-10_158-10 |
| DDP-9-3-10_158-11 |
| DDP-9-3-10_158-12 |
File details come from the government source that posted it. Updated .