drives & controls services, inc. - mining electrical · 2015-06-01 · drives & controls...
TRANSCRIPT
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Drives & Controls Services, Inc. OVER 30 FIELD REPRESENTATIVES WORLD
WIDE
OVER 400 YEARS COLLECTIVE ELECTRICAL MINING EXPIERENCE
EXPIERENCE IN ALMOST ALL MAKES AND MODELS OF MOTION REGULATORS OLD AND NEW
24 HOUR SUPPORT
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WWW.DRIVESANDCONTROLS.COM
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USA
•Tyler, Texas
•Bogata, Texas
•Heath, Texas
•Henderson, Texas
•Jasper, Alabama
•Bradenton, Florida
•Casper, Wyoming
•Gillette Wyoming
•Dubois, Wyoming •Edmonton, Alberta, CAN
•Mackay, Queensland, QLD
•Dysart, Queensland
•New Castle, New South Wales
•Cartagena, Columbia
Locations
Drives & Controls Services, Inc.
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•LOCATED NEAR STIGLER, OKLAHOMA •THE DRAGLINE ORIGINALLY CAME FROM ARK. 12 YEARS EARLIER •MINING HIGH BTU COAL and SHIPPING IT TO CHINA •THE DRAGLINE DIGS THE ROCK THAT HAS BEEN BLASTED and MOVES IT OVER TO THE SPOIL PILE
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LOCATED IN EASTERN OKLAHOMA
40 MILES WEST OF FT SMITH, AR
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AVERAGE 100’ OVERBURDEN OF SOLID ROCK
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THEY USE BLASTING TO HELP GET TO THE COAL
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PAGE 752 DRAGLINE
HIGH WALL
HIGH WALL BLAST HOLES
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PAGE 752 DRAGLINE
HIGH WALL
HIGH WALL BLAST HOLES
EXTRA HOLES
LOADED WITH
EXPLOSIVE
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DRILLED HOLES WERE LOADED EXTRA HOLES WERE LOADED WITH EXPLOSIVE BY
MISTAKE
WHEN THE INTENDED HOLES WERE SET OFF THE OTHER HOLES IGNITED ALSO
SENDING TONS OF ROCK INTO THE BACK OF THE DRAGLINE
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MG SETS WERE PUSHED FORWARD 3 FEET
SYNC MOTOR DRAG GEN
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AT THE TIME OF THE ACCIDENT THE OPERATOR WAS IN THE CAB
THE OILER WAS DOWN IN THE MACHINERY HOUSE
THE OPERATOR HAD POINTED THE FRONT OF THE DRAGLINE AWAY FROM THE BLAST
THE M-G SETS WERE SHUTDOWN
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THE BLAST BLEW OUT THE REAR GLASS IN THE CAB
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IT ALSO SENT A ROCK THROUGH THE FRONT GLASS NARROWLY MISSING THE OPERATOR
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• DCS WAS CONTACTED AND WE HAD MEN AT THE SITE THE NEXT DAY
• POWER WAS REMOVED, THE SITE WAS INSPECTED AND DETERMINED TO BE SAFE TO WORK IN
• THE FIRST TASK WAS TO REMOVE THE ROCK TO BEGIN TO ASSESS THE HIDDEN DAMAGE
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ROCK and DIRT WERE SEVERAL FEET DEEP IN PLACES
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MOTOR CONTROL CENTER WAS DESTROYED
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THE M-G SETS WERE BROKEN LOOSE FROM THE BASE
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• M-G SETS HAD BEEN BROKEN LOOSE FROM THE BASE
• THE M-G BASE ITSELF WAS BROKE LOOSE FROM THE FLOOR
• THE REAR HOIST MOTOR WAS BROKE LOOSE FROM IT’S BASE • THE M-G SET PUSHED THE RIGHT SIDE CABLE TRAY FORWARD SEVERAL FEET
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A PLAN OF ACTION REMOVE THE DAMAGED EQUIPMENT
M-G SETS
MCC
CONTROL CABINETS
HIGH VOLTAGE CABINETS
DAMAGED SECTIONS OF CABLE TRAY
ALL CABLES EXCEPT THOSE GOING TO BOOM LIGHTS
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SAWSALL WAS USED TO CUT THE CABLES
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THE BACK DOORS AND SIDE PANELS WERE REMOVED
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LOCATE ANOTHER M-G SET MOSAIC FLORIDA DL4 HAD BEEN SOLD FOR SCRAP
IT WAS A G.E. M-G SET VERSES A WESTINGHOUSE
MEASUREMENTS WERE MADE TO VERIFY IT WOULD FIT
NAMEPLATES WERE COMPARED FOR KW RATINGS
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THE MOSAIC DL4 G.E. M-G SET NEAR FOUR CORNERS MINE
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MOBILIZE PEOPLE CCC - TO REMOVE THE REAR DOORS AND PANELS FROM
DL4 AND SHIP THEM TO FARRELL COOPER
FLANDERS ELECTRIC - TO RETRIEVE THE M-G SETS FROM DL4 AND BEGING TO REFURBISH
DCS - TO START BUILDING NEW CABINETS AND PANELS IN OUR TEXAS SHOP
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SET UP AN OFFICE
OFFICE
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NEW MCCs PRINTS WERE EXAMINED FOR BREAKER AND CONTACTOR
SIZES
MEASURMENTS MADE TO FIND THE AVAILABLE SPACE
ORDER WAS PLACED
THEY WERE DELIVERED IN 2 WEEKS
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HIGH VOLTAGE SWITCH GEAR
NEW TOSHIBA VCCs WERE ORDERED
NEW HIGH VOLTAGE ISOLATION SWITCHES WERE ORDERED
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NEW CONTROL AND DRIVE CABINETS
NEW SIEMENS 6RA80 DRIVES WERE ORDERED
NEW ALLEN-BRADLEY PLC WAS ORDERED
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BEGIN CABINET CONSTRUCTION
MEASURMENTS MADE TO FIT EQUIPMENT TO THE AVAILABLE SPACE
NEW CABINETS BUILT IN THE DCS SHOP
MOST OF THE ASSEMBLY WAS DONE IN THE DCS SHOP
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BEGIN BUILDING NEW CABLE TRAY ON THE DRAGLINE
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BEGIN PULLING NEW CABLE- ‘A’ LEADS FIRST
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A FEW THINGS WE FOUND ALONG THE WAY
#1 SWING MOTOR GROUND FAULT
#3 SWING MOTOR SHORTED FIELD COIL
WIRING INSULATION DETERIORATING
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“A” LEAD GROUNDED IN #1 SWING MOTOR
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THE INSULATION WAS ALL THAT HELD IT TOGETHER
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CONTROL WIRING FOR BOOM HOIST MOTOR BAD
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CONTROL WIRING FOR DECK WINCH MOTOR
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THE NEW EQUIPMENT
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HIGH VOLTAGE SWITCH GEAR
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THE NEW LINEUP
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NEW SIEMENS 6RA80
DIGITAL DRIVES
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