presenaion in (shielded meal arc welding )SMAW.pptx

welding

1. Shielded metal arc welding  ( SMAW )

2. WELDING to unite (metallic parts) by heating and allowing the metals to flow together or by hammering or compressing with or without previous heating to unite or reunite closely or intimately

3. Welding Safety Hazards Electric Shock Noise Hazards Exposure to UV and IR Radiation Exposure to Fumes and Gases Burns

4. PPE’s

5. Kinds of Electrodes E 6011 E 6013 E 308 E 7010 E 7018 Rockwell 54

6. Electrodes Classifications

7. Essentials of SMAW Current setting Length of arc Angle of electrode Selection of electrode Speed of travel

8. Welding Problems Weld Splatter Weld Distortion Warping When Welding Sheet Metal Poor weld Appearances Cracked Welds Weld Undercut Poor Penetration Brittle Welds

9. Types of Welds

10. KINDS OF ELECTRODE

11. 1G HORIZONTAL ROLLED POSITION, 2G VERTICAL POSITION, 3G HORIZONTAL FIXED POSITION ,6G WELD POSSITION

12. 1G

13. 6G

14. Liquid dye penetrant testing

15. 10 Rules for Workplace Safety You are responsible for your own safety and for the safety of others. All accidents are preventable. Do not take shortcuts. Always follow the rules. If you are not trained don’t do it. Use the right tools and equipment, and use them in the right way .

16. Assess the risk before you approach your work . Never wear loose clothes or slippery footwear. Never indulge in horseplay while at work. Practice good house keeping. Always wear PPE’s.

17. THANK YOU.