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# Domo Arigato Mr. Roboto Rating: 4

 Level: Beginner Duration: 2 - 4 class periods Grade Level: NA Author: Pitsco Materials:  T-Bot® II Teacher’s Guide, T-Bot II Hydraulic Arm, pencil, metric ruler, protractor .

## Objective

Determine the range of motion for each axis of the T-Bot II.

## Description

Locate the T-Bot II’s four different axes of motion. With each axis, determine the range of motion.

## Procedures

The area in which a robot can perform work is called the work envelope. The T-Bot II has a work envelope that is shaped similar to one quarter of a globe.

Locate the T-Bot II’s four different axes of motion. An axis is the point at which a body or a part rotates. The

T-Bot II moves in four axes of motion:

·         Axis 1 – where the swivel base connects to the platform

·         Axis 2 – where the mid-arm connects to the swivel base

·         Axis 3 – where the mid-arm connects to the forearm

·         Axis 4 – where the end effector (grippers) connects to the forearm

Determine the range of motion of the swivel base. The formula for figuring arc length is: Arc Length = Radius x Radians. Radians = Degree Measurement x (p/180). Repeat these steps for the mid-arm, the forearm, and the grippers. Record all measurements and determine the arc length for each.

## Discussion

Are the results what you expected? Why or why not?

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