Transcript Safety
GAS METAL ARC WELDING GMAW (MIG/MAG) 1 Copyright 2004 Lincoln Global Inc. Gas Metal Arc Welding Safety 2 Copyright 2004 Lincoln Global Inc. Safety Eye & Ear Protection Welding Helmet with Lens Shade Number Welding Gloves & Optional Covering Proper Attire 3 Copyright 2004 Lincoln Global Inc. Eye & Ear Protection Ear Plugs Goggles Safety Glasses Hearing Protectors 4 Copyright 2004 Lincoln Global Inc. Welding Helmet 5 Copyright 2004 Lincoln Global Inc. AWS/ANSI Lens Shade Numbers LENS SHADES SELECTION FOR GAS METAL ARC WELDING Operation Electrode Size in. (mm) GMAW Arc Current (A) Minimum Protective Shade Suggested * Shade No. (Comfort) Less than 60 7 10 60-160 8 12 160-250 10 12 250-550 11 14 Not Specified Per AWS / ANSI * As a rule of thumb, start with a shade that is too dark to see the weld zone. Then go to a lighter shade, which gives sufficient view of the weld zone without going below the minimum. 6 Copyright 2004 Lincoln Global Inc. Welding Coverings Leather Welding Apron Leather Welding Jacket Leather Welding Gloves Leather Cape Sleeves/Bib Leather Welding Trousers 7 Copyright 2004 Lincoln Global Inc. Proper Attire 8 Copyright 2004 Lincoln Global Inc. Safety Electrical Hazards Fumes and Gases Arc Radiation Fire or Explosion Hazards in the Work Area Compressed Gas Hazards 9 Copyright 2004 Lincoln Global Inc. Electrical Hazards • High Voltage Can Kill • Do Not Operate With Covers Removed • Disconnect Input Power Before Servicing • Do Not Touch Electrically Live Parts • Electrical Shock Can Kill • Do Not Touch Electrode With Skin or Wet Clothing • Insulate Yourself From Work and Ground 10 Copyright 2004 Lincoln Global Inc. Fumes & Gases • Welding May Produce Hazardous Fumes And Gases • Shielding Gases Can Displace Air and May Cause Injury or Death • Use Ventilation To Keep Air Breathing Zone Clear • Do Not Weld Near Chlorinated Hydrocarbons 11 Copyright 2004 Lincoln Global Inc. Arc Radiation • Electric Arc Welding Rays Can Burn Eyes and Skin • Always Use a Helmet When Arc Welding • Select Appropriate Filter Lens • Wear Appropriate Clothing • Provide Non-Flammable Shielding to Protect Others 12 Copyright 2004 Lincoln Global Inc. Fire or Explosion • Remove Flammable Materials From The Welding Area • Keep a Fire Extinguisher in the Welding Area • Wear Fire Retardant Clothing • Do Not Weld on Containers Which Have Held Combustible Materials 13 Copyright 2004 Lincoln Global Inc. General Work Area Hazards • Keep Power Source Cables, Welding Materials and Tools Neatly Organized • Connect Work Cable as Close as Possible to the Weld Area • Do Not Allow Alternative Circuits Through Scaffold Cables, Hoist Chains, or Ground Leads • Use Only Properly Grounded Equipment • Always Disconnect Power to Arc Welding Equipment Before Servicing 14 Copyright 2004 Lincoln Global Inc. Compressed Gas Hazards • Cylinders may Explode if Damaged • Keep Cylinders Upright and Chained to Support • Keep Cylinder Free from Sparks and Out of the Spark Zone • Never Allow Welding Electrode to Touch the Cylinder 15 Copyright 2004 Lincoln Global Inc. Safety Video 16 Copyright 2004 Lincoln Global Inc. Customer Assistance Policy The business of The Lincoln Electric Company is manufacturing and selling high quality welding equipment and consumables, and cutting equipment. Our challenge is to meet the needs of our customers and to exceed their expectations. On occasion, purchasers may ask Lincoln Electric for advice or information about their use of our products. We respond to our customers based on the best information in our possession at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such information or advice. We expressly disclaim any warranty of any kind, including any warranty of fitness for any customer’s particular purpose, with respect to such information or advice. As a matter of practical consideration, we also cannot assume any responsibility for updating or correcting any such information or advice once it has been given, nor does the provision of information or advice create, expand or alter any warranty with respect to the sale of our products. Lincoln Electric is a responsive manufacturer, but the selection and use of specific products sold by Lincoln Electric is solely within the control of, and remains the sole responsibility of, the customer. 17 Copyright 2004 Lincoln Global Inc.