SEC/PFC/01
PRECESS FLOW DIAGRAM FOR BEARING AND HOUSING ASSEMBLY
HOUSING BUSH
INCOMING INCOMING CASTING /
CASTING FORGING
SHOT BLASTING H.T.(OPTIONAL)
(OPTIONAL) O R/M ID
O MILLING
O GRINDING O OIL SLOT
O CLEARING SPLIT M/CG
SPLIT M/CG
O PRIMER
BOLTING DOWELLING
SPIGOT M/CG O SHOT
O LAPPING
BLASTING
O BOLTING
TINNING BABBITTING
DRILLING TAPPING O DOWELLING
O MILLING OIL
SLOT
O U.T. R.M/CG ID
O D.P.
BORE &
SPHERICAL M/CG O OIL SEAL
O NOTCH O SPHERICAL DIA FINAL FINISH /
O MILLING O INSIDE DIA MACHINING
FINAL PAINT
ASSEMBLY ASSEMBLY
ASSEMBLY
DETAILS SEALS, OIL RING,
OIL RING FASTNERS, RTDS ETC
PACKING + PRESERVATION
DESPATCH
CUSTOMER FEEDBACK / SERVICES
1|Page
SEC/PFC/02
PROCESS FLOW DIAGRAM FOR CUSTOMIZED BEARING
PROCUREMENT
OF
RAW MATERIAL
APPENDIX 1A
U.T OF BASE METAL IF ANY FLAW NDT TESTING PROCEDURE AND ACCEPTANCE NORMS.
ACCEPTANCE
TESTING PROCEDURE MATERIAL
NORMS
ASME SECTION -
FORGING
BORE M/C ASTM - VIII, Div-2
U.T
A388 ASME SECTION - 1,
WELDING
Appendix-12
ISO-4386- FO BABBIT
U.T ISO-4386-1/2012
1/2012 METAL
H.T (OPTIONAL) ASME SEC- ASME SECTION -
L.P.T V, ARTICLE- VIII, DIV-1, GENERAL
6 Appendix-8
ASME SEC- ASME SECTION -
FO BABBIT
SPLITTING IN TWO L.P.T V, ARTICLE- VIII, DIV-1,
METAL
24 SE 165 Appendix-8
HALVES
FO BABBIT
L.P.T ISO-4386-3 ISO-4386-3
METAL
ASME SECTION - FOR ALL
TINNING ON BASE VIII , Div-1 , ACCEPT
PROOF MACHINING METAL @ 380°C ASME SEC-V Appendix-6 CASTING
M.P.T
BEFORE CLADDING , ARTICLE-7 ASME SECTION -
VIII , Div-1 , FOR CASTING
Appendix-7
**CENTRIFUGAL /
STATIC CASTING RE-CASTING
PROCESS
FINAL DESPATCHED
CLINING OF CASTING
SURFACE FOR U.T
U.T FOR BONDING D.P TESTING ON
IF ANY FLAW / SURFACE DEFECT
CHECKING BABBITT SURFACE
SPLITTING IN TWO QC CHECKING
HALVES
FINAL MACHINING OF
BERING AS PER
JOINT FACE LAPPING / DEBURING
DRAWINGS AND
GRINDING TO OBTAIN
CUSTOMER NEED
BOTH HALVES TRUE
NOTE:
** Pouring Temperature will be 280 to 300 °C. Speed is depend on bearing diameter and other
geometry.
2|Page
SEC/PFC/03
PROCESS FLOW DIAGRAM FOR CUSTOMIZED THRUST PADS
APPENDIX 2A
NDT TESTING PROCEDURE AND ACCEPTANCE NORMS.
ACCEPTANCE
TESTING PROCEDURE MATERIAL
NORMS
PROCUREMENT ASME SECTION -
OF FORGING
ASTM - VIII, Div-2
U.T
RAW MATERIAL A388 ASME SECTION - 1,
WELDING
Appendix-12
ISO-4386- FO BABBIT
U.T ISO-4386-1/2012
1/2012 METAL
U.T OF BASE METAL IF ANY FLAW ASME SEC- ASME SECTION -
L.P.T V, ARTICLE- VIII, DIV-1, GENERAL
6 Appendix-8
ASME SEC- ASME SECTION -
FO BABBIT
L.P.T V, ARTICLE- VIII, DIV-1,
METAL
H.T (OPTIONAL) 24 SE 165 Appendix-8
FO BABBIT
L.P.T ISO-4386-3 ISO-4386-3
METAL
ASME SECTION - FOR ALL
VIII , Div-1 , ACCEPT
TINNING ON BASE M.P.T
ASME SEC-V Appendix-6 CASTING
PROOF MACHINING , ARTICLE-7 ASME SECTION -
METAL @ 380°C
BEFORE CLADDING VIII , Div-1 , FOR CASTING
Appendix-7
CENTRIFUGAL /
STATIC CASTING RE-CASTING
PROCESS
FINAL MACHINING OF
THRUST PAD AS PER
CLINING OF CASTING DRAWINGS AND
SURFACE FOR U.T CUSTOMER NEED
U.T FOR BONDING IF ANY FLAW / SURFACE DEFECT D.P TESTING ON
CHECKING BABBITT SURFACE
FINAL FINISHING OF
FINAL TURNING FOR SPLITTING OF TOP AND BOTTOM
TRUE FACE SEGMENT SURFACE
NOTE:
** Pouring Temperature will be 280 to 300 °C. Speed is depend on bearing diameter and other
geometry.
3|Page
SEC/PFC/04
PROCESS FLOW DIAGRAM FOR REBABBITTING OF BEARING /
THRUST PADS
DIMENSION & PHOTOGRAPH
TAKEN FROM ITEM WHICH IS
REQUIRED FOR FINAL
MACHINING
WHITE METAL REMOVAL
WARMING THE SHELL/BACK
METAL TO REMOVE OIL
FINAL FINISHED RE-
DYE PENETRATION TEST.
NORMAL AIR COOLING BABBITTED BEARINGS.
GRINDING FOR FURTHER SLOTTING & OTHER
REMOVAL OF OTHER METAL OPERATION EXCEPT FINAL
OXIDE BORE & WIDTH AS PER REF
DIMENSION & PHOTOGRAPH
USE AIR BLOWERS TO
REMOVE THE DUST & OTHER
UT TESTING & AS PER
EXISTING PARTICLES.
REQUIREMENTS/ QAP.
ACID TREATMENT TO ENABLE
THE SURFACE FOR TINNING PROOF MACHINING PROCESS
PROCESS.
WHITE METAL CASTING ON
TINNING PROCESS.
EXISTING BASE METAL.
NORMAL AIR COOLING PREPARATION FOR SHELL
FIXING AND LEAK PROOFING
4|Page
