Gebruiksaanwijzing /service van het product C2.410 van de fabrikant Lincoln Electric
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S TICK ELEC TRODE WELDING GUIDE Procedur es and T echniques.
-2- Customer Assistance Policy The business of The Lincoln Electric Company is manufacturing and selling high quality welding equipment, consumables, and cutting equipment. Our challenge is to meet the needs of our customers and to exceed their expectations.
-3- W elding Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . .4-34 Out-of-Position Welding (V ertical and Overhead) . . . . . . . . . . . . . . . . . . . . . .4-7 High Deposition Welding . . . . . . . . . . . . . . . . . . . .8-15 W elding Inclined Plates .
-4- WELDING PROCEDURES Out-Of-Position Welding (V ertical and Overhead) When welding out-of-position, the molten metal tends to spill out of the joint.
-5- V ertical Up T echniques for Fillet and Gr oove W elds 1. Make first pass root beads with a whipping technique. Whip the electrode tip out of the molten crater and up for a short time to let the crater cool before r etur ning the electrode tip to the crater area to add mor e weld metal.
V ertical Up Gr oove W elds V ertical Down W elds W eld thicker plate with vertical up techniques. -6- Groove Fillet Plate Size – T (in.) 3/16 — Leg Size – L (in.) — 5/32 No. of Passes 1-2 1 Electrode/AWS Class Fleetweld 5P , Fleetweld 5P+ E6010 Diameter (in.
No. of Passes 1 1 1 1 1-2 1-3 1-4 Leg Size – L (in.) 3/16 1/4 5/16 3/8 1/2 5/8 3/4 Electrode/AWS Class Fleetweld 5P , Fleetweld 5P+ (1) / E6010 Diameter (in.) 3/16 3/16 3/16 3/16 3/16 3/16 3/16 Current (Amps) 150 155 155 155 160 160 160 Polarity DC+ DC+ DC+ DC+ DC+ DC+ DC+ Arc Speed In.
-8- High-Deposition Welding High deposition applications includes groove, fillet, lap and corner welds in 3/16” and thicker plate welded with the work level or slightly downhill. These joints are capable of holding a large molten pool of weld metal as it freezes.
-9- T ravel fast, but not too fast for good slag coverage. Stay about 1/4” to 3/8” ahead of the molten slag. If travel speed is too slow , a small ball of molten slag may form and roll ahead of the ar c causing erratic bead shape, spatter , and poor penetration.
-10- Fillet and Lap Welds – The ideal fillet or lap weld has equal legs and a flat or slightly convex bead. Excess convexity wastes weld metal. A concave bead is susceptible to shrinkage cracks. Flat fillet and lap welds are made with the same general techniques as groove welds.
Lap W elds Use fillet weld procedur es for laps on 3/8” and thicker plate. Cor ner Welds -11- Plate Size – T (in.) 3/16 1/4 5/16 3/8 1/2 Leg Size – L (in.) 3/32 1/8 5/132 3/16 1/4 Pass 1 1 1 1 1 Electrode/Class Jetweld 1/E7024-1 Size 5/32 3/16 7/32 7/32 1/4 Current – Amps 215 260 330 340 390 Polarity AC AC AC AC AC Arc Speed In.
Gr oove W elds Do not use for code quality work This square edge gr oove joint requires the deep penetration of Fleetweld 5P or 5P+. Gr oove W elds First Pass 3/16” Jetweld 2 E6027 300 amps. AC at 14”/Min. -12- 1/16" ± 1/32" T Plate Size – T (in.
-13- Deep Gr oove W elds Joint A Pass 1 E6011 Root passes - Joints A, B & C - 3/16 Fleetweld 35 (E6011), 175-180 Amps. AC at 6-9 in/min. Over E6011 Root Passes JOINT B JOINT C Plate Size – T (in.) 5/16 3/8 1/2 3/4 1 3/4 1 1-1/2 No. of Passes 2 2-3 3 3-6 3-10 4-5 4-7 4-9 Electrode/AWS Class Jetweld 2/E6027 Diameter (in.
-14- Flat Fillet W elds Also see Low Hydrogen Procedures. For X-ray quality: 1. Use low hydrogen pr ocedures, pages 24-34. (or) 2. W eld 3/16” to 5/16” fillets with E6027 electrodes at the E7024 procedur es. Weld 3/8” and larger fillets with 1/4” E6027 at about 400 amps.
-15- Horizontal Fillet W elds Also see Low Hydrogen Procedures. Plate Size – T 14 ga 12 ga 10 ga 3/16 1/4 5/16 3/8 1/2 5/8 3/4 3/4 1 No. of Passes 1 2-3 1 2-3 1 2-4 1 2-5 1-2 1-3 1-4 1-5 Leg Size – L (in.) —— — 5/32 3/16 1/4 5/16 3/8 1/2 9/16 5/8 3/4 Electrode/ AWSClass Jetweld 1/E7024-1 Diameter (in.
-16- W elding Inclined Plate These procedur es are used when: 1. The work cannot be positioned in the level position for high speed welding with High Deposition Jetweld electrodes.
-17- W elding Inclined Plate Downhill Angle (deg.) 0 60 (1) 90 (2) 03 0 (1) 60 (2) 01 0 (1) 35 (2) 01 0 (1) 20 (2) 0-5 (2) No. of Passes 1 1 1 1 1 Leg Size – L (in.) 5/32 1/4 1/4 5/16 3/8 Electrode/AWS Class Fleetweld 47 / E7014 Diameter (in.) 5/32 3/16 7/32 1/4 1/4 Current (Amps) 200 250 310 370 400 Polarity AC AC AC AC AC Arc Speed In.
-18- High Speed Welding (Sheet Metal) W elding sheet steel (18 thr ough12 gauge) requires electr odes that weld at high travel speeds with minimum skips, misses, slag entrapment, and undercut. Procedur es Groove welds . . . . . . . . . . . . . . . . .
-19- When welding with High Speed electrodes (E6012 and E6013) deposit the entire weld in one pass using non-weave beads or a slight weave. Drag the electrode on the joint and stay ahead of the molten pool. Use enough drag angle so the arc for ce pushes the weld metal back.
-20- Plate Size 18ga 16ga 14ga 12ga 10ga Electrode/AWS Class Fleetweld 5P , Fleetweld 5P+ /E6010 Diameter (in.) 3/32 1/8 1/8 5/32 3/16 Position (1) 0-30° Downhill Current (Amps) 40 70 80 120 135 Polarity (2) DC- DC- DC+ DC+ DC+ Arc Speed - In./Min. (3) 24 32 28 22 19 Lbs of Elec.
-21- Fillet W elds Also see High Deposition Procedur es on page 28 for 14 to 10 gauge fillet welds with Jetweld electrodes. Lap W elds Flat Horizontal V er tical (welded down) Plate Size 18ga 16ga 14ga 12ga 10ga Electrode/AWS Class Fleetweld 37/ E6013 Diameter (in.
Cor ner Welds -22- W eld T ype/ Position 18ga 16ga 14ga 12ga 10ga Fillet W elds 0-30º 15 16 17 16 16 30-90º 18 19 21 20 18 Lap W elds 0-30º 17 18 18 16 15 30-60º 21 22 23 21 18 Groove W elds 0-30.
-23- Burnthrough Spot Welds (Roof Decking to Beam) Roof Deck Thickness 22 ga 20 ga 18 ga 16 ga Electrode/AWS Class Fleetweld 22 /E6022 Diameter (in.) 1/8 1/8 5/32 1/8 5/32 5/32 Position Flat Current (.
-24- Low Hydrogen W elding Low hydrogen electr odes are recommended for thr ee broad areas of application: 1. On low alloy , high carbon, high sulfur , or other steels wher e cracking is a problem. 2. When specified by governing codes. 3. For lowest costs on vertical, overhead and horizontal groove welds on heavy (over 1/2”) plate.
-25- Drag the electrode lightly . Since low hydrogen electr odes rely on the molten slag for shielding, never hold a long arc, whip, leave the crater , or move rapidly in any direction. Failure to follow these techniques may result in por osity and/or reduce mechani- cal properties.
-26- 2. For multipass welds, deposit a first pass bead using a slight weave. We emphasize the importance of moving into the corner to assure penetration into the corner . W eld additional layers with a side-to-side weave hesitating at the sides long enough to melt out any small slag pockets and minimize undercut.
V ertical Up Gr oove W elds Also see Out-of-Position Procedur es, page 4. Overhead Gr oove W elds -27- 1/8" First Pass 3/16" Fleetweld 5P (E6010), 150 amps DC + , 4-1/2 in./min. 1/8" Last Pass - back gouge before welding. T T 60° Plate Size – T (in.
-28- V ertical Up Fillet W elds Overhead Fillet W elds Also see Out-of Position Procedur es, page 4. No. of Pass 1 1 1 1 1 2 3 Leg Size – L (in.) 3/16 1/4 5/16 3/8 1/2 5/8 3/4 Electrode/AWS Class Jet LH-78MR, Excalibur 7018 /E7018 Excalibur 7018-1 /E7018-1 Diameter (in.
-29- Horizontal Gr oove W elds Back gouge first bead as needed 1/8" T 45 ° 15 ° Plate Size – T (in.) 1 2 No. of Passes 1-2 3-12 1-20 21-38 Electrode/AWS Class Jet LH-78MR, Excalibur 7018 /E7018 Excalibur 7018-1/E7018-1 Diameter (in.) 3/16 Current (Amps) 230 200 230 200 Polarity DC+ DC+ DC+ DC+ Arc Speed In.
-30- Horizontal Gr oove W elds Use steel backing (as on page 29). T T/2 45 ° Plate Size – T (in.) 1-1/2 3 No. of Passes 4 9 12 22 Electrode/AWS Class Jet LH-78MR, Excalibur 7018 /E7018 Excalibur 7018-1 /E7018-1 Diameter (in.) 3/16 Current (Amps) 230 200 230 200 Polarity DC+ DC+ DC+ DC+ Arc Speed In.
-31- Flat Fillet W elds Also see, High Deposition Procedures, page 8. L (1) First pass only . On later passes, adjust ar c speed to obtain proper bead size. (2) T otal for all passes. 100% operating factor . Note: E7028 can produce code quality welds.
-32- Flat Fillet W elds Also see High Deposition Procedures, page 11. (1) First pass only . On later passes, adjust ar c speed to obtain proper bead size. (2) T otal for all passes. 100% operating factor . Note: E7018 can produce code quality welds. E7018 procedur es are used when E7028 is not available and for electrodes E8018 and E11018.
-33- Horizontal Fillet W elds (1) First pass only . On later passes, adjust ar c speed to obtain proper bead size. (2) T otal for all passes. 100% operating factor .
-34- Horizontal Fillet W elds (1) First pass only . On later passes, adjust ar c speed to obtain proper bead size. (2) T otal for all passes. 100% operating factor . Note: E7018 can produce code quality welds. E7018 procedur es are used when E7028 is not available and for electrodes E8018 and E11018.
-35- Minimum Preheat and Interpass T emperature (1) For stick electrode welding only Based on AWS Specification D1.1 Definitions T – Thickness of the thickest part at point of welding.
-36- Stick Electrode T ypical Operating Procedur es Sizes & Current Ranges (Amps) Product AWS Electrode Name Class Polarity 3 / 3 2 ” 1/8” 5/32” 3/16” 7/32” 1/4” Fleetweld ® 5P E6010 .
-37- Sizes & Current Ranges (Amps) Electrodes are manufactured in those sizes for which current ranges are given Product AWS Electrode Name Class Polarity 3/32” 1/8” 5/32” 3/16” 7/32” 1/.
-38- Sizes & Current Ranges (Amps) Electrodes are manufactured in those sizes for which current ranges are given Product AWS Electrode Name Class Polarity 3/32” 1/8” 5/32” 3/16” 7/32” 1/.
-39- PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJUR Y OR DEA TH. KEEP CHILDREN AWA Y . P ACEMAKER WEARERS SHOULD CONSUL T WITH THEIR DOCTOR BEFORE OPERA TING.
-40- ARC RA YS can burn. 2.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks and the rays of the arc when welding or observing open arc welding. Headshield and filter lens should conform to ANSI Z87. I standards.
-41- FUMES AND GASES can be dangerous. 3.a. Welding may produce fumes and gases hazardous to health. Avoid breathing these fumes and gases.When welding, keep your head out of the fume. Use enough ventilation and/or exhaust at the arc to keep fumes and gases away from the breathing zone.
FOR ELECTRICALL Y power ed equipment. 6.a. T urn off input power using the disconnect switch at the fuse box before working on the equipment. 6.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer’s recommendations.
-43- 7.b. Operate engines in open, well-ventilated areas or vent the engine exhaust fumes outdoors. 7.c.Do not add the fuel near an open flame welding arc or when the engine is running. Stop the engine and allow it to cool before refueling to prevent spilled fuel from vaporizing on contact with hot engine parts and igniting.
THE LINCOLN ELECTRIC COMP ANY Local Sales and Service through Global Subsidiaries and Distributors Cleveland, Ohio 44117-1199 U.S.A. TEL (216) 481-8100 F AX (216) 486-1751 WEB SITE www .
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