technical-drawing-gears-and-cams Related Question Answers
2. In working drawings for worm gears, gear teeth are omitted and the gear blank is represented conventionally.
3. In working drawings with teeth cut to a standard shape, individual teeth typically are not shown.
4. On detail drawings, the worm and gear are usually drawn in the same detail drawing.
5. When laying out a gear, the number of spaces should be twice the number of teeth.
6. Working drawings for bevel gears give both the dimensions of the gear blank and the data necessary for cutting the teeth.
8. The motion of the follower as it rises or falls depends on the shape of the curves in the displacement diagram.
10. When the follower movement is in a plane parallel to the cam shaft, an irregular cam must be employed.
13. Gears are used to transmit power and rotating or reciprocating motion from one machine part to another.
14. Bevel gear teeth have the same involute shape as teeth on spur gears but are tapered toward the cone apex.
15. Worm wheels are similar to helical gears cut to conform to the shape of the worm.
16. Spur gear design normally begins with selecting this:
17. The most common geometric form used in gears today is this:
18. This is a curve showing the displacement of the follower as ordinates on a base line that represents one revolution of the cam:
20. These gears transmit power between shafts whose axes intersect at any angle:
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