Standard

 

DDS 231 - Mechanisms II

Course Description

Emphasizes in-depth utilization of a variety of linkage types. Students apply linkage design skills to specified problems. Topics include: advanced applications of direct linkages, advanced applications of multi-linkages, advanced applications of gear boxes, robotics concepts, and robotics applications.

 

Competency Areas

Hours

 

Advanced Applications of Direct Linkages

Class

4

Advanced Applications of Multi-Linkages

D. Lab

6

Advanced Applications of Gear Boxes

P. Lab/O.B.I.

0

Robotics Concepts

Credit

7

Robotics Applications

 

 

 

 

 

Prerequisite:

DDS 230

Corequisite:

 

 

Course Guide

 

Competency

After completing this section, the student will:

Hours

Class

D.Lab

P.Lab/

O.B.I.

ADVANCED APPLICATIONS OF DIRECT LINKAGES

8

15

0

Slider-crank motions

Given the crank radius, connecting rod length, speed, and crank angle, determine the acceleration of the slider.

 

 

 

 

Given the length of the slider, the crank angle, and the displacement, determine the length of the connecting rod.

 

 

 

Quick return mechanisms

Define and explain the reason and applications of quick return mechanisms.

 

 

 

 

Draw a suitable quick return mechanism for a specific mechanical operation.

 

 

 

ADVANCED APPLICATIONS OF MULTI-LINKAGES

8

15

0

Four-bar linkages

Given the lengths of all linkages and the speed of the crank, determine the length of time required for the follower to move between extreme positions.

 

 

 

 

Given lengths of all linkages, determine the angle of sweep for the follower.

 

 

 

Application

Draw the four-bar linkage required to fit specific mechanical operations.

 

 

 

ADVANCED APPLICATIONS OF GEAR BOXES

8

15

0

Gear sizes

Given the minimum and maximum RPM, determine the gear ratio and the sizes of all gears.

 

 

 

Applications

Draw a speed change gear box for specific mechanical requirements.

 

 

 

ROBOTICS CONCEPTS

8

6

0

Systems

Sketch a diagram of a robot system and explain the interaction between components.

 

 

 

Cells

Sketch a diagram of a robot work cell for a specific operation and explain the interaction between components.

 

 

 

ROBOTICS APPLICATIONS

8

9

0

Movement

Indicate and explain the six axes of motion for an industrial robot.

 

 

 

Motions

Draw mechanisms necessary to create various robot motions.

 

 

 

 

Suggested Resources

 

Books

 

Ardayfio. (1987). Fundamentals of robotics. New York: Dekker.

Critchlow, A. J. (1986). Introduction to robotics. New York: Macmillan.

Hall, A. S. (1986). Kinematics & linkage design. Prospect Heights, IL: Waveland Press.

McCarthy, J. M. (Ed.). (1986). Kinematics of robot manipulators. Cambridge, MA: MIT.

McCloy, D., & Harris, D. M. (1986). Robotics: An introduction. New York: Halsted Press.

Schwartz, J. T., et al. (Eds.). (1987). Planning, geometry, & complexity of robot motion. Norwood, NJ: Ablex.