1. Agricultural Engineering
Obj. 6.00

2. Ag Engineering Industry
Ag mechanics is the design, operation, maintenance, service, selling and use of power machinery, equipment, structures and utilities in agriculture.

3. Careers in Ag Engineering
Power and Electricity
Electrician
Safety technician
Equipment mechanic

4. Careers in Ag Engineering
Machinery
Farm equipment mechanic
Parts person
Equipment salesperson
Small engine mechanic
Large machinery operator

5. Careers in Ag Engineering
Soil and Water Engineering
Soil conservation technician
Irrigation engineer

6. Careers in Ag Engineering
Ag mechanics, construction, and maintenance
Construction worker
Welder
Safety specialist

7. Careers in Ag Engineering
Ag Structure, equipment, and facilities
Construction supervisor
Farmstead planner
Greenhouse builder
CAD engineer

8. Shop Safety
Nearly 50% of all farm related accidents involve working with machinery
Safety is providing an environment free from danger, risk, or injury
Those who work in a shop should always be trained
Those who work in a shop should pass a safety test prior to using the shop

9. Shop Safety Keep the shop in an orderly manner
Remove unnecessary hazards (oily rags)
Wear appropriate personal protective clothing and devices
Safety glasses
Steel toe shoes
Ear protection (prevents hearing loss when the noise level exceeds 90 decibels)

10. Safety Color Coding a Shop
Alerts people to dangers and hazards
Red = DANGER, safety switches and fire extinguishers
Orange = WARNING, machine hazards like edges and opening
Yellow = CAUTION, wheels, levers, knobs
Blue = INFORMATION, “out of order” signs or broken equipment
Green = SAFETY, presence of first aid and safety equipment

11. Fire Hazards in the Shop
Fire Triangle – components necessary for a fire
fuel, anything that will burn (oily rags, sawdust, etc)
Heat, material will burn if hot enough
Oxygen, must be present for fuels to burn

12. Fire Prevention in the Shop
Take away one of the components of the fire triangle and a fire will stop
Safely store fuels or combustible materials
Clean shop decreases the chance of fire

13. Extinguishing Fires
Know the kind of fire extinguisher that is used for different kinds of fires prior to the fire
Know the placement of a fire extinguisher so that time is not wasted looking for one
When using, hold upright, pull the ring pin, and press the lever. Direct the nozzle toward the base of the fire

14. Planning a Engineering Project
Simple project plans
Completed with paper and a sharp lead pencil
Protractor for measuring and drawing angles
Compass for drawing circles and arches
A good eraser is used to make corrections
A 12” ruler for basic drawings

15. Planning an Ag Engineering Project
More Detailed Plans
A drawing board is used for attaching the drawing paper
Masking tape is used to secure the drawing paper to the drawing board
The T square is helpful for drawing horizontal lines
The right triangle is used for vertical lines
The scale is used to make proportions

16. Planning an Ag Engineering Project
Large Scale Projects
Use CAD
CAD can significantly reduce design time

17. Basics of Drawing
A sketch is a rough drawing, doesn’t have dimensions included
Pictorial drawing shows all 3 dimensions at once (front, side, and top)
Scale drawing represents an object in exact proportion, although the object itself maybe a different size
If the scale is ¼” = 1”, then every ¼” on the drawing would equal 1” on the actual object
If you had a 2” line it would equal 8” actual because 2 divided by ¼ = 8

18. Wood Projects
The fastest way to fasten wood is by nailing with a nail hammer or nail gun
Screws hold better than nails and are used with a screwdriver. Flathead screws is most used
Bolt and used for fastening wood at high stress points
Gluing wood can make the object as strong as the wood itself

19. Metal Projects Steel is the most commonly used metal
Soapstone is a rock that is used to mark on metal because it shows up better than pencil
A hacksaw is used for cutting metal

20. Ag Mechanic Tools
Chalk line reel
Making straight lines

21. Ag Mechanic Tools
Tape Rule
Straight or curved measuring

22. Ag Mechanic Tools Combination Square
Determining 45 and 90 degree angles

23. Ag Mechanic Tools
Try Square
90 degree squaring

24. Ag Mechanic Tools
Level
Leveling and plumbing

25. Ag Mechanic Tools
Hack saw
Cutting metal

26. Ag Mechanic Tools Portable circular saw
Sawing wood in construction projects

27. Ag Mechanic Tools Circular carbide saw blade
Used on portable circular saw

28. Ag Mechanic Tools
Coping Saw
Cutting curves and irregular cuts

29. Ag Mechanic Tools
Portable Jig Saw
Making irregular cuts

30. Ag Mechanic Tools Countersink
Faring top of hole for recessing head for flathead screw

31. Ag Mechanic Tools
Masonry Bit
Nailing in concrete, brick

32. Ag Mechanic Tools Portable electric drill
Drilling holes with an external source of electricity

33. Ag Mechanic Tools
Straight shank drill bit
Drilling metal

34. Ag Mechanic Tools
Speed bore bit
Wood boring bit for electric drill

35. Ag Mechanic Tools
Ball pein hammer
Hammering metal

36. Ag Mechanic Tools
Nail hammer
Driving nails

37. Ag Mechanic Tools
Nail set
Countersinking nail heads

38. Ag Mechanic Tools
Pin punch
Driving out metal pins

39. Ag Mechanic Tools
Sledgehammer
Heavy hammering

40. Ag Mechanic Tools
Long nose pliers
Reaching into recessed areas

41. Ag Mechanic Tools Slip joint pliers
Adjust for holding various size material

42. Ag Mechanic Tools Groove joint pliers
Gripping when greater pressure is needed

43. Ag Mechanic Tools C Clamp
Clamping two or more pieces of metal together

44. Ag Mechanic Tools
Drill press vise
Holding stock while drilling

45. Ag Mechanic Tools Adjustable Wrench
Turning various size nuts and bolts

46. Ag Mechanic Tools Combination Wrench
Turning hex and square nuts and bolts

47. Ag Mechanic Tools
Pipe Wrench – turning and holding metal pipe

48. Ag Mechanic Tools Regular Socket
General purpose socket for turning nuts and bolts

49. Ag Mechanic Tools
Open end Wrench
Turning square head nuts and bolts