ATDM Study Questions 8

Study Questions for Step 8

List the four (4) functions of "Gears":
How are "Gears" classified?
List the nine (9) kinds of "Gears", give their general characteristics and explain how each is used:
How are "chains and sprockets" used?
Write out the three (3) methods for calculating "Gear Ratios":
What is a "Gear Blank"?
What is "Backlash" and how is it determined?
Define the following terms and give their symbol:
Pitch Diameter
Root Diameter
Outside Diameter
Circular Pitch
Working Depth
Addendum
Dedendum
Clearance
Whole Depth
Chordal Thickness
Chordal Addendum
What is "Diametral Pitch" and how is it calculated?
What is a "Gear Template" and how is it used?
What is "Pressure Angle" and what is the standard size?
How is the "Center-to-Center Distance" calculated for different kinds of gears?
What is a "Gear Tooth Caliper" used for?
What is a "Gear Train" and how is it used?
What materials are "Gears" made from and what are the advantages of each material?
What information must be available to design and layout gears?
Where can "Design Data" for gears be found?