Black

1
Black Decker Drill / Driver

• Group 15
• Doug Byrne
• Holly Czechowski
• Lauryn Brown
• Rohan Thadani
• Jon Barsa

2
Product Specs

• Driving Screws / Drilling holes
• 3/8 Variable Speed Drill
• 5 Amps
• Directional Switch
• Keyless Chuck
• Includes Level and Drill Bit Attachment

3
Individual Components
Keyless Chuck Directional Switch
Level Extra Drill Bit Storage
4
How Does It Work?

• Electrical Energy gtgt Mechanical Energy
• AC Motor
• Major Components
• Stator
• Commutator
• Rotor
• Gear Assembly
• Fan

5
Individual Components
MOTOR
STATOR
COMMUTATOR ROTOR
6
Individual Components
FAN
GEAR ASSEMBLY
7
Suggestions

• Multiple position lock on Trigger
• Higher Cost (-)
• More Convenient ()
• Longer Cord
• Higher Cost (-)
• Less Extension Cords ()
• Get Rid of Level
• Inaccurate due to loose fit (-)
• Save Money ()

8
Gear Assembly
9
Wikipedia Page
http//gicl.cs.drexel.edu/wiki/ Group_15_-_Black_a
nd_Decker_Drill