Due the end of week 5.
-
80 pts - 1/2 Drawings
-
20 pts - List of 20 commands
Due the end of week 5.
-
80 pts - 1/2 Drawings
-
20 pts - List of 20 commands
Due the end of week 5.
-
80 pts - 1/2 Drawings
-
20 pts - List of 20 commands
Due the end of week 4.
-
100 pts - Assignment 1
Due the end of week 5.
-
100 pts - Assignment 2
Due the end of week 9.
-
20 pts - Per Assignment Exercise
Due the end of week 9.
-
20 pts - Per Assignment Exercise
AUTRY TECH DRAFTING/DESIGN
DRAWING ASSIGNMENTS
YOUR TASK IS TO DRAW A ROBOT. THE IMAGE BELOW IS THE OVERALL DESIGN.
THIS WEEK YOU WILL DRAW THE CONVERYOR BELT US PARTS FROM WCP AND VEX. MAKE OUT OF POLYCARB.
WRITTEN ASSIGNMENTS
Read Chapter 22 on page 747. Answer the question below and enter into OPEN LMS under 3M11W.
1. The shape of cam is determined by the
A. required motion of the follower.
B. Rotational velocity of the cam.
C. type of cam used.
D. four-bar linkage.
E. type of follower used.
2. The most popular type of cam used.
A. plate cam.
B. face cam.
C. drum cam.
D. conjugate cam.
F. index cam.
3. The area of cam displacement diagram where the follower does not rise or fall is called.
A. The straight-line motion.
B. dwell.
C. idle.
D. retarded motion.
E. none of the above.
4. The follower motion that is commonly referred to as constant acceleration is
A. parabolic.
B. harmonic.
C. cycloidal
D. modified trapezoidal.
E. modified sine.
5. _____ Motion is also referred to as crank motion.
A. parabolic.
B. harmonic.
C. cycloidal
D. modified trapezoidal.
E. modified sine.
6. _____ motion is noted for jerk-free motion.
A. parabolic.
B. harmonic.
C. cycloidal
D. modified trapezoidal.
E. modified sine.
7. _____ motion is also known as a retarded motion.
A. parabolic.
B. harmonic.
C. cycloidal
D. modified trapezoidal.
E. modified sine.
8. Most cam displacement diagrams have cam displacements of how many degrees?
A. 90 degrees
B. 180 degrees
C. 270 degrees
D. 360 degrees
E. 5 degree increments
9. The smallest circle that can be drawn on a plate cam profile is called
A. displacement.
B. prime.
C. pitch.
D. base.
E. trace.
10. The ____ cam is used to produce an indexing motion
A. Geneva
B. conjugate
C. yoke-type
D. Hopkins
E. positive-motion
11. Ratchet wheels are usually used in combination with
A. followers.
B. clutches.
C. indexing yokes.
D. prawls.
E. linkages.
12. The groove in a face cam is developed
A. as a surface development.
B. using a linkage diagram.
C. using a displacement diagram.
D. any of the above
E. none of the above
13. An actuator usually produces a ____ motion.
A. straight-line
B. angular
C. compound
D. parabolic
E. curved
14. The relationship of the movements of various machine members can be conveniently by
A. showing the motion path of the mechanism.
B. drawing the extreme positions of the mechanism.
C. calculating the indicator path of the mechanism.
D. constructing a displacement.
E. constructing a timing diagram.