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IM896
August, 2006
SPREADARC
For use with machines having Code Numbers: 11006
Safety Depends on You
Lincoln arc welding and cutting
equipment is designed and built
with safety in mind. However, your
overall safety can be increased by
proper installation ... and thought-
ful operation on your part. DO
NOT INSTALL, OPERATE OR
REPAIR THIS EQUIPMENT
WITHOUT READING THIS
MANUAL AND THE SAFETY
PRECAUTIONS CONTAINED
THROUGHOUT. And, most
importantly, think before you act
and be careful.
OPERATOR’S MANU
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i i SAFETY WARNING CALIFORNIA PROPOSITION 65 WARNINGS Diesel engine exhaust and some of its constituents The engine exhaust from this product contains are known to the State of California to cause can- chemicals known to the State of California to cause cer, birth defects, and other reproductive harm. cancer, birth defects, or other reproductive harm. The Above For Diesel Engines The Above For Gasoline Engines ARC WELDING CAN BE HAZARDOUS. PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY
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ii ii SAFETY ELECTRIC SHOCK can ARC RAYS can burn. 4.a. Use a shield with the proper filter and cover kill. plates to protect your eyes from sparks and 3.a. The electrode and work (or ground) circuits the rays of the arc when welding or observing are electrically “hot” when the welder is on. open arc welding. Headshield and filter lens Do not touch these “hot” parts with your bare should conform to ANSI Z87. I standards. skin or wet clothing. Wear dry, hole-free gloves to insulate hands. 4.b. Us
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iii iii SAFETY WELDING SPARKS can CYLINDER may explode cause fire or explosion. if damaged. 6.a. Remove fire hazards from the welding area. 7.a.Use only compressed gas cylinders If this is not possible, cover them to prevent containing the correct shielding gas for the the welding sparks from starting a fire. process used and properly operating Remember that welding sparks and hot regulators designed for the gas and materials from welding can easily go through small cracks pressure used. All hos
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iv iv SAFETY 5. Toujours porter des lunettes de sécurité dans la zone de PRÉCAUTIONS DE SÛRETÉ soudage. Utiliser des lunettes avec écrans lateraux dans les zones où l’on pique le laitier. Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce 6. Eloigner les matériaux inflammables ou les recouvrir afin de manuel aussi bien que les précautions de sûreté générales suiv- prévenir tout risque d’incendie dû aux étincelles
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v v for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product Thank You ��� as much pride as we have in bringing this product to you! Please Examine Carton and Equipment For Damage Immediately When this equipment is shipped, title passes to the purchaser upon receipt by the carrier. Consequently, Claims for material damaged in shipment must be made by the purchaser against the transportation company at the time the shipment
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vi vi TABLE OF CONTENTS Page General Information .....................................................................................................................1 Product Description..................................................................................................................1 Recommended processes and Equipment ..............................................................................1 Design Features..................................................................
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1 1 GENERAL INFORMATION Advantages of the Spreadarc are: PRODUCT DESCRIPTION Arc length remains constant during oscillation to pro- General Physical Description vide more uniform penetration. The K278-1 Spreadarc has been designed to oscillate Dwell timers provide periods at the end-points of the an Automatic welding head across the line of travel stroke for smoother bead edges. when welding long seams. The welding head and noz- zle are mounted to the Spreadarc carriage. The The travel speed
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2 2 COMMON EQUIPMENT PACKAGES BASIC PACKAGE K1288-17 DC 600 Power Source K325S TC-3 Travel Carriage K210-2 NA-3 Control K212A NA-3N Head K231-1/8 Subarc Contact Nozzle K278-1 Spreadarc K1842-10 Weld Cable K29 Vertical Lift Adjuster K219 Automatic Flux Hopper ADVANCED PACKAGE K1797-xx Control Cable (10’ included with K278-1) SPREADARC
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3 3 TECHNICAL SPECIFICATIONS SPREADARC (K279-1) INPUT VOLTAGE AND CURRENT Voltage Input Amperes 42/1/50/60 3.0 PHYSICAL DIMENSIONS HEIGHT WIDTH DEPTH WEIGHT 13.7 in. 17.8 in. 12.6 in. 65 lbs (348 mm) (452.12 mm) (320.04 mm) (29.5 kg) ENVIRONMENTAL RANGES Operating Temperature -4°F to 104°F (-20°C to 40°C) Storage Temperature -40°F to 185°F (-40°C to 85°C) SPREADARC
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A-1 A-1 INSTALLATION � Dirt and dust that can be drawn into the Spreadarc NON-STANDARD SAFETY INFORMATION should be kept to a minimum. Failure to observe WARNING these precautions can result in excessive operating temperatures and nuisance shutdown. ELECTRIC SHOCK can kill. MOUNTING � Turn off power at the power source (See Figure A-1) disconnect switch before working inside the equipment. 1. The Spreadarc can be mounted on a K325 travel carriage or on a stationary head mount in which ------
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A-2 A-2 INSTALLATION 3. Remove the head mounting block from the NA-3, The drive motor is to be in the vertical position and the NA-4, NA-5, or POWER FEED-10S head (if includ- drive rolls are to face the front. Loosen the head face ed) by removing the four allen head cap screws. plate clamp screw and rotate the face plate so that the This part is not used during the installation of the idle roll arm is down. Install the nozzle, wire straight- Spreadarc. Mount the head to the Spreadarc using en
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14 PIN A-3 A-3 INSTALLATION CONNECTION DIAGRAM SEE FIGURE A-3 Connection to 42Vac Power Source (See Figure A-3) Required: � 42Vac Power Source. K1797-XX 14 PIN � K1797-xx Control Cable (10ft. included with K278-1). � K278-1 Spreadarc. � NOTE: K1798 Terminal Strip Adapter may be nec- essary if power source 14-pin connector is unavail- able. 115V TO 42V TRANSF KIT SEE FIGURE A-4 Connection to 115Vac Power Source 115V TO 42V TRANSFORMER Required: KIT (See Figure A-4) K1797 � 115Vac Power Source.
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B-1 B-1 OPERATION 6. DIGITAL DISPLAY – Displays numerical settings CASE FRONT CONTROL DESCRIPTION for each of the modes, such as Oscillation Speed in (See Figure B-1) inches per minute, Dwell Times in seconds, or Jog Speed in inches per minute, under normal opera- 1. ON/OFF SWITCH – Turns power on/off to the unit. tion. Error codes are also displayed during fault conditions. 2. START BUTTON – Starts the oscillation based on the values set in each of the modes. 7. LED MODE INDICATORS – Illuminat
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B-2 B-2 OPERATION SETTING REAR DWELL TIME USER INTERFACE CONTROLS (See Figure B-4) SETTING OSCILLATION SPEED Rear Dwell is the amount of time in seconds that oscil- (See Figure B-2) lation will stop at the LEFT proximity switch (when fac- ing the Spreadarc Control Box) while welding contin- Oscillation Speed is the speed in inches per minute ues. To adjust the Rear Dwell time, press the Select that the Spreadarc carriage will travel back and forth. Toggle Switch up or down until the LED for Rea
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B-3 B-3 OPERATION COMMON WELDING PROCEDURES Set the oscillation speed and the rear and front dwell times as called for in the welding procedure. The front dwell time controls the dwell when the nozzle is at the proximity sensor farthest from the Spreadarc mount- ing bracket (right-side when facing the Spreadarc User Interface). The rear dwell time controls the dwell when the nozzle is at the proximity sensor closest to the Spreadarc mounting bracket (left-side when facing the Spreadarc User In
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D-1 D-1 MAINTENANCE 4. Provided the tracks are not severely worn, re-lubri- SAFETY PRECAUTIONS cate the contact surface of the bearings and tracks with a graphite or moly filled grease such as auto- WARNING motive chassis grease and re-assemble. ELECTRIC SHOCK can kill. NOTE: Do not lubricate the gear motor pinion � Turn off power at the power source and gear rack. disconnect switch before working inside the equipment. If the wear on the inside edge of the top rack has reached 0.040", either in
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D-2 D-2 MAINTENANCE 5. With the control box and carriage out of the way, CONTROL BOX access to the track fasteners Item 12 can be gained. Every six months inspect the control box. If needed, blow dirt out using low pressure air. Replace screw 6. Inspect the four "V" bearings on the carriage to veri- holding door closed. fy that they rotate freely and are not excessively worn. CALIBRATION SPECIFICATION 7. Note: Do not loosen the hex nuts holding the All calibration is factory set on the Spreada
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F-1 F-1 WIRING DIAGRAMS SPREADARC NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for a replacement. Give the equipment code number..
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F-2 F-2 DIMENSION PRINT SPREADARC
