1. Copyright © Texas Education Agency, 2014. All rights reserved.

2. Simple Letter Cutting Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

3. Oxy-fuel Cutting Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES When you are cutting steel or ferrous metals that are ½” or thicker, Oxy-fuel cutting is the best method to use.

4. Oxy-fuel Cutting Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES The Oxy-fuel torch heats the metal to the melting point of the metal. The air- blast trigger is mashed and a blast of oxygen pushes the molten metal from the cut.

5. Oxy-fuel Cutting Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES The Oxy-fuel torch leaves a layer of dross (slag) on the cut edges.

6. Select a letter and use a soapstone to trace around the letter. Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

7. Make sure the letter is drawn completely. Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

8. Light the torch and adjust it to cut. Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

9. Begin heating and cut the lines out. Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

10. Cut the inside of the letter first, then the outside. Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

11. Make sure the metal is cut completely. Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

12. The letter will still be connected by the dross in the cut. Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

13. Use pliers to break the dross and remove the letter. Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

14. The letter has a rough edge because of the dross. It will need to be grinded and filed. Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

15. Carefully use a grinder on the surface of the letter. Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

16. Carefully use a grinder on the surface of the letter. Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

17. Use a bench grinder to smooth the edges. Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

18. Use a file and a vise to smooth the edges that you can not grind down. Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

19. Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

20. Plasma Cutting Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES This method of cutting can be used on metal less than ½ inch. The metal can be ferrous or nonferrous because the plasma is used to heat the metal, then the super hot gasses blast the metal from the cut.

21. Plasma Cutting Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES The edges of a plasma cut are smoother than that of an oxy-fuel cut.

22. Oxy-fuel vs. Plasma Cutting Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES The plasma-cut edges are smoother. This means less cleaning of the piece for a cleaner appearance.

23. Hand-held Plasma Cutting Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES Hand-held plasma cutting will be done basically the same way, but will have less dross.

24. Hand-held Plasma Cutting Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

25. Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

26. CNC Plasma Cutting System Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES Computer Controller Table and metal Plasma Cutter Gantry

27. CNC Plasma Cutting System Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES Gantry Metal Plasma Cutter Table

28. Controller- the computer-type machine that drives the axis of a CNC machine. CNC- Computer Numeric Control is the ability to control a machine using a code of numbers. Gantry- a framework used to carry the cutting head in the different axis of movement. Plasma Cutting System Terms Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

29. Plasma Cutting System Terms Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES Gantry Controller Cables

30. Plasma Cutting System Terms Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES Controller Computer Controller Cabling

31. CNC Plasma Cutting Computer Screen Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

32. CNC Plasma Cutting Working Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

33. CNC Plasma Cutting Finished Cut Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

34. Letters Removed Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

35. View of Edge of Cut Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

36. CNC Plasma Cutting Projects Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

37. CNC Plasma Cutting Projects Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES

38. CNC Plasma Cutting Projects

39. References Copyright © Texas Education Agency, 2014. All rights reserved. STORAGE BOX TITLE OF DRAWING NAME DATE PAGE 4 6_6_ ALL FOLD LINES = ⅜ 10 ½ 12 _ ⅜ ½ ½ ½ ALL MEASUREMENTS ARE INCHES Webster’s new compact office dictionary (2003). New York, NY: Houghton Mifflin Harcourt Publishing Co.