Using a Sine Bar
By Janet Braun
The learner will use the deceptively simple sine bar to measure angles to minutes or even half minutes.
Determining Punch & Dies for Press Brake Forming
By Dave Hoffman
Introduction to selecting the proper punch and die for air bending or bottoming when forming on a press brake. Includes charts and methods for selection.
Calculating Blank Size for Rolled Sheet Metal (Screencast)
In this interactive object, students read how to calculate the blank size for cylinders in a three-roll pinch roller. A calculator is required for the brief quiz that completes the activity.
Print Reading: Three-Step Block
By Kelly Curran
Learners test their ability to visualize a three-step block in this interactive exercise that features animated pictorial views.
Calculating Bend Allowance for Press Brake Forming
Introduces two methods of determining bend allowance; one is simple and is an approximate, the other is more precise. Interactive part has learner calculate bend allowance and blank size.
Using Gage Blocks: Discussion and Quiz
By Barbara Anderegg
In this learning activity you'll identify the consequences of using gage blocks incorrectly.
Pictorial Drawings
By Glenn Sokolowski
Learners examine pictorial drawings used in engineering including sectioned and exploded drawings. A sketching quiz is provided to help the learner create simple pictorial sketches by using orthographic views and an isometric template.
Title Block Tolerances
Learners examine the use of the tolerances displayed in a title block by calculating the minimum and maximum allowable size of a fabricated part. In a brief quiz, students determine whether a part is usable or should be scrapped.
Interpreting Engineering Drawings: Common Abbreviations
In this interactive object, learners read the common abbreviations used in engineering drawings and then test their knowledge in three short exercises.
Lathe Project: Turning Using a Digital Readout
By Thaddeus Hetzer
Users read work instructions and view a drawing and calculations for turning on a lathe using a digital readout.
Calibrating a Depth Micrometer (Screencast)
In this learning activity you'll review the steps for calibrating the length of depth micrometer measuring rods.
Chuck Maintenance
This document gives an overview of chuck maintenance.
Print Reading: Hub
Learners practice reading prints of a hub. They identify information located on the print and calculate missing dimensions.
Gage Blocks
In this learning activity you'll explore the history behind gage blocks.
Project Sheet: Lathe Maintenance
This is a project that gives steps to complete the activity.
CNC Control Features
By Terry Tower
In this learning activity you'll discover the features of a Puma Daewoo O-T CNC Lathe Control panel.
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.
Procedure for Setting the Tool Length Offsets on a Vertical CNC Machining Center with a Fanuc O-M Control
By Les Rhines
Students view how the tool length offsets are set on the CNC Machine. They read a description of a method that uses a 2-inch gage block as a height reference.
Brain Exercise: Visualization #1
In this interactive object, learners practice their 3D visualization skills by identifying the correct isometric view of an object. Front, side, and top orthographic views are shown.
Print Reading: Step Block
In this animated print reading exercise, the learner calculates missing dimensions and identifies surfaces on projected views.
Lathe Accessories - Tool Holding
In this learning activity you'll explore lathe tool-holding techniques.
Angular Measurement
In this learning activity you'll review angles and different types of angular measuring tools associated with manufacturing.
Thread Specifications
In this interactive object, learners examine standard and metric thread specifications used in engineering drawings. In a brief quiz, they identify various internal and external thread representations.
Safety - Hydraulic Metal Shears
The learner reads about safety considerations for operating a hydraulic metal shear. Text, graphics and a brief assessment are included.
Steel Rule Types
In this learning activity you'll review different types of steel rules used in manufacturing.