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Presentation by-
Ravi Gupta
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8/10/2019 Ravi Gupta
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2
Title
MACHINING
of
EMD Crank Case
12/17/2014 bipin
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MACHINING SEQUENCE OF GM CRANK CASE
MACHINING OF GM CRANK
CASE IS DONE IN 03(THREE)
SET UP ON PORTAL MILLING
MACHINE
ANGULAR BORING OF
RETAINER BORES AND
DRILLING OF WATER
JUMPER HOLES ARE DONE
ON TAL ANGULAR BORINGMACHINE.
12/17/2014 3bipin
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Ist Set Up
Rough machining of MFM face.
Rough & semi finish machining ofbase rail.
Rough & semi finish machining ofPC pad.
Rough & semi finish machining ofCSD &ACC End.
Drilling and tapping of MFM.
Drilling of both the base rail RS &LS.
Drilling and tapping on both theside of PC pad.
Base RailMFM
CSD END12/17/2014 4bipin
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Ist Set Up
Rough boring of crank case.
Phantom milling of MFM.
Thrust machining of center
MFM. Tang slot (Shell lock) milling
in all the MFM.
Probing of Window RS & LS.
Machining of both sidewindow (RS & LS)
Window
12/17/2014 5bipin
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Ist Set Up
Drilling and tapping ofboth the end (CSD &ACC).
Finish milling of boththe end (CSD & ACCend).
Serration milling on all
MFM face. Un clamp and unload
the crank case.
12/17/2014 6bipin
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Assembly Of Main Bearing Cap.
Deburring and cleaning of
serrations of MFM.
Deburring and cleaning of
serrations of Main bearing
cap. Tighten all MB Caps at the
torque 350 ft-lbs.
Tighten all MB Caps at the
torque 1100 ft-lbs. Re-open all the MB cap.
Finally tighten all the MB caps
at the torque 750 ft-lbs.
12/17/2014 7bipin
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2ndset up
Set up and align the Crank
case on V-type fixture.
Rough boring of all the
bores.
Semi finish boring of all the
bores.
Finish boring of all the
bores.
Un clamp and unload the
cank case for 3rdset up.
12/17/2014 8bipin
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3rdSet up
Load,aligne and clamp the crankcase on 3rdset up fixture.
Rough milling of Top deck centerand both the Top deck (RS&LS).
Finish milling of Top deck center
and both the Top deck (RS&LS). Drilling and tapping of Top deck
center and both the Top deck(RS&LS).
Clearance machining for crab hole
and spline nut hole of both theTop deck.
12/17/2014 9bipin
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3rdSet up
Crab hole drilling of both the topdeck (RS&LS).
Drilling and Reaming of spline nuthole of both the top deck (RS&LS).
Key way (Slot) milling on both thetop deck.
Rough, semi-finish and finishmilling of CRV pad of both theside (RS & LS).
Drilling and reaming of CRV padof both the side (RS & LS).
Un clamp and unload the Crankcase.
12/17/2014 10bipin
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Angular boring of Retainer bores
Angular boring of Retainerbores, drilling and reamingof water jumper holes aredone on TAL Angular boringmachine.
Set and align the Crank caseon boring fixture.
Rough boring of all theretainer bores.
Semi-finish boring of all thebores.
Finish boring of all thebores.
12/17/2014 11bipin
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Attend Deficiencies And Send The Crank
Case To Es.
12/17/2014 12bipin
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12/17/2014 13bipin