Gears
Gear with a motor or handcrank
input
An idler gear changes the __________ of the output gear.
Direction
What problem are you trying to solve? Define the problem and identify the requirements and constraints.
ASK
An input gear is also called the _______ gear.
Driving
The rate at which a gear turns is called _____.
Speed
Gear where the energy exits or comes out of the system of gears
output
A system that transmits motion and force between two cone-shaped gears often mounted at a 90-degree angle to each other.
Bevel Gear
Do your homework and see what you can find out about it (i.e. computers, interviews, surveys etc.) Develop possible solutions.
IMAGINE
An output gear is also called a ________ gear.
Driven
a series of steps that engineers follow to come up with a solution to a problem.
Engineering Design Process
A group of two or more gears is called a...
gear train
Combines the sprocket and chain that mesh together to produce motion
Chain drive
Try it out and figure out what works and what does not work.
Test
If a smaller gear is driving a larger gear. There will be an increase in ___________.
Torque
What is this part of the engineering design process?
Create final sketches and complete decisions on materials that will be used.
DESIGN/PLAN
An extra pointy gear used in a chain drive is called a __________
sprocket
A mechanism to convert rotary motion into reciprocating motion
Cam and Follower
Fix what does not work and make that part better.
Improve
A 36 tooth DRIVING gear is moving a 12 tooth DRIVEN gear. What is the gear ratio?
1:3
A restriction on your design, such as a $100 budget.
Constraint
If you have two gears interlocked, they will turn in the ___________ direction.
Opposite
A toothed wheel
gear
A working version of a created solution so that an engineer can test whether it is a good solution.
Prototype
An if, then statement is called a _______________ statement.
Conditional
A(n) is a paying customer who made a request for a specific engineering design to solve a problem.
Client