2018 Tech Challenge Guide NWTC 2018 Tech Challenge Booklet | Page 13

LIVE Challenges Welding Skills Questions? Please contact Scott Massey at: Email: [email protected] Phone: 920-498-5638 TRADES & ENGINEERING TECHNOLOGIES Student capacity: 40 THE EVENT WILL CONSIST OF THREE PARTS: Part1: Oxy-Fuel Cutting 1. Perform Oxy-acetylene cutting on 3/8” plate from supplied print a. Straight line cut b. Bevel cut c. Pierce hole and cut circle Part 2: Shielded Metal Arc Welding 1. 3/8” plate A-36 (1G) Flat position V-groove with backing 2. 1/8” E7018 electrode, 120-140 Amps, D.C.R.P. 3. Evaluation: Visual examp to AWS D1.1 Part 3: Gas Metal Arc Welding 1. 3/8” plate A-36 (2G) horizontal position V-groove without backing 2. .035” ER705-6 electrode, 110-135 Amps, 17-19 Arc 3. Volts, C25 Shielding Gas 4. 1/16-1/8 root opening, 1/16-3/32 root face and 70_included groove angle 5. Evaluation: Visual exam to AWS D1.1  This event will take 2-2 ½ hours.  Students are required to supply their own safety glasses, welding gloves and wear appropriate clothing.  This event is limited to the first 40 participants. 12