Calibrating a Depth Micrometer
By Barbara Anderegg
In this learning activity you'll review the steps for calibrating the length of depth micrometer measuring rods.
Calibrating a Depth Micrometer (Screencast)
Chordal Distances
Students review how to use chordal distances to locate bolt hole circle locations. They then take a 10-question quiz to test their knowledge.
Everyone Knows How to Use a Ruler, Right?
Students review the best practices for using a ruler and answer five basic questions.
Gage Blocks
In this learning activity you'll explore the history behind gage blocks.
How Small Is a Millionth of an Inch?
In this learning activity you'll determine the measurement to be made and the accuracy required.
How to Read a Caliper
In this interactive object, learners review how to read a caliper. They then test their skills with eight practice questions.
Optical Comparator: Setting Up the Edge Detector on the Starrett HB 400
Students read how to set up the optical comparator edge detector in this interactive learning object.
Optical Comparator: Establishing a Reference Frame on the Starrett HB 400
In this interactive learning object, learners read how to compensate for a part not mounted perfectly parallel to the machine axis.
Optical Comparator: Operating the Controller on the Starrett HB400
Students review the functions of the keys on the Starrett HB400 Optical Comparator controller.
Optical Comparator: Starrett HB 400 Edge Detector Quiz
The learner tests his/her ability to set up the optical comparator edge detector using a virtual simulation of the machine.
Practical Trigonometry
After a brief review, the student solves five practical shop problems using right angle trigonometry.
Practical Trigonometry (Screencast)
Reading Indicator Quiz
In this learning activity you'll test your skill at reading indicators.
Reading Vernier Height Gage Quiz
Students take a 13-question quiz to practice reading 25- and 50-division Vernier height gages.
Sine Bar
In this learning activity you'll examine how a sine bar is used to measure angles.
Sine Bar Quiz
In this learning activity you'll calculate sine bar problems.
Surface Finish
Learners review surface finish basics and read how to calculate the roughness average.
Surface Finish Quiz
Students take a quiz to test their knowledge of surface finish.
The Dial Caliper
Learners review guidelines for the proper use of a dial caliper. Illustrations appear throughout the learning object.
The History of Standards
In this learning activity you'll review the historical progression of standards to learn what makes a good standard.
Units of Measurement
In this learning activity you'll explore units of measurement.
Using an Indicator
By Janet Braun, Barbara Anderegg
Students read about the basics of using an indicator.
Using Gage Blocks: Discussion and Quiz
In this learning activity you'll identify the consequences of using gage blocks incorrectly.