Job Sheet No. 1.1.7a Welding Technique Technique and P rocedure rocedure Title: Title:
P erform erform Root P ass
P erformance erformance Objectives: P erform erform root root pass pass in a multiple pass groove w eld in Flat position (1G) Supplies and M aterial aterials: s:
Tools and Equipment Equi pment::
2 pcs. F lat bar 10mmx60mmx150mm 10mmx60 mmx150mm MS 2 pcs. Welding Electrode E6011/E6010 #3.2mm W elding elding M achine w/ complete complete accessories Automatic cutting machine Chipping hammer Steel brush W elding elding gloves gloves W elding elding jacket jacket Welding helmet
Steps: 1. Proceed Pro ceed to the Workstation Workstation at the SMAW Practic Practical al Work Area 2. Prepare the edge edge of the two(2) two(2) plates, plates, with with a bevel angle angle of 30 degrees and 2mm root face. 3. Wear suitable protective protective clothing clothing to avoid burns and radiation 4. Set the welding welding machine; Current setting:3.2mm, se tting:3.2mm, E6013: 90 – 120 120 amperes ampere s 5. Put the plates on the the welding welding table in flat position and and make sure sure that that the root gap is 3.2mm. 6. Position the plates; Clamp the plates in the positioner positioner in a flat position. 7. Position yourself yourself comfortably comfortably with with the electrode grip to the the holder. holder. 8. Strike the arc and and hold the the electrode electrode at 90 degrees degrees work work angle and 75 – 80 80 degrees travel. 9. Maintain a short arc. 10. Move Move the electrode using a whipping whipping motion and maintain a keyho eyh ole Until you reach re ach the the other end of the plates. 11.Clean and check your work based based on the Performance Performance Criteria Checklist. 12. After doing the task, present your work work to your Trainer Trainer for evaluation. evaluation. Assessment Assessment M ethod: ethod: Performance Test and Evaluation of finished output
