1. Ag Fact of the Week
If you watched the Super Bowl, you saw a by- product of cattle. Even though footballs are nicknamed “pigskin” they actually come from the hide of cattle. How many cattle did it take to supply all of the footballs needed for the NFL this year?

2. Review Questions What do the letters PPE Stand for?
What are the three parts of the fire triangle?
What do you yell before striking an arc?
What is the black material left on the metal after welding?
What two tools do you use to clean off metal after welding?

3. Review Questions
6. What color is the acetelyne Tank? 7. What color is the oxygen tank? 8. How far do we open the oxygen cylinder? 9. What pressure do we set the oxygen to? 10. How far do we open the acolyte cylinder?

4. Review Questions
11. Which color represents danger? 12. Which color represents safety? 13. Which color represents information? 14. Which color represents caution? 15. Which color represents warning? 16. What pressure do we set the acetylene to?

5. Classes of Fire Class A Class B Class C Class D Flammable Liquid
Electrical Fires
Combustible Metals
Regular Combustible Materials

6. 8 Steps to starting the torch
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7. 2 Methods to Starting a weld
Tapping – Keep tapping the electrode on the metal until the arc is started
Striking – Strike the electrode against the metal like striking a match

8. Keeping the Arc Welding is done by melting metal together.
Once you’ve struck your arc, keeping moving the metal pool along until you are at the end of the metal

9. After Welding
Once you are done welding, place the metal in water to cool it down
Only pick it up with Pliers!!!!!
Using your chipping hammer or wire brush, brush away all of the slag
Slag is the black stuff that will be on top of your weld
Slag makes your weld look bad and could make the metal weaker if you weld on it

10. After Welding Slag – black material covering the welding
This can be cleaned off by:
Chipping Hammer
Wire Brush

11. Make Adjustments If you cant get the arc to start, turn up the metal
If your metal is burning holes through it, its too hot and you need to turn it down!!
Look to see if your going too fast or too slow

14. Good or Bad?

15. A Good Weld is… Even all the way across Straight Deep Penetration
Strong – Wont Break

16. 5 types of Welds

18. Types of Welds
Butt Joint – to pieces of metal butted together

19. Types of Welds
Corner Joint

20. Types of Welds
Lap Joint

21. Types of Welds
T Joint

22. Types of Welds
Edge Joint

23. Portable Grinder

24. Good Housekeeping A clean shop will keep you clean and safe.
We will sweep EVERY DAY!!
Don’t sweep debris out the door!!
Clean and put tools in
their proper place.
Take care of the Equipment.

25. General Safety Tips Use your head – Common Sense NO HORSEPLAY!!!!!
Properly Fitting Clothes
No Jewelry on you hands
Keep Tools in proper working condition
Sharp Tools are Safer that Dull Tools
Use tools for the Job it was intended for

26. General Safety Tips Make sure you know how to use the tool
If a tool breaks, Tell Mr. Branscum!
Keep both hands behind the cutting edge
Keep out of “Danger Zones” when not using a machine
Don’t Bother anyone when they are working

27. General Safety Tips Store all Tools in a definite Place
Don’t force Tools
Don’t abuse Cords
Secure your work
Take Your time!!!!!
No Art Work or Graffiti allowed!!

28. General Safety Tips Most Importantly – Pay Attention Stay Focused
Don’t Goof Around
Use your Head!

29. My Expectations of YOU
Mature attitudes and behavior resulting in a safe shop.
Work Hard
Stay Busy
Be a person of good character
Be Respectful
Realize that it is everyone’s job to keep the shop clean & safe.
The shop is a place to be serious, it is not a playground.

30. Take Pride In Doing A Job Well
We don’t turn out junk!!