Learning Objects Authored

• Calculating Bend Allowance for Press Brake Forming

  By Dave Hoffman

  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.

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• Calculating Blank Size for Rolled Sheet Metal

  By Dave Hoffman

  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.

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• Calculating Blank Size for Rolled Sheet Metal (Screencast)

  By Dave Hoffman

  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.

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• Calculating Cutting Speeds for Twist Drills

  By Dave Hoffman

  Students view the formula for determining twist drill speeds in metal. Exercises complete the activity.

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• Calculating Cutting Speeds for Twist Drills (Screencast)

  By Dave Hoffman

  Students view the formula for determining twist drill speeds in metal.

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• Calculating Feed Speeds for Twist Drills

  By Dave Hoffman

  Students read how to calculate feed rates for drills in inches per minute (IPM). The IPM formula is given and students work two practice problems.

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• Calculating Force for Punching

  By Dave Hoffman

  Users calculate the tonnage required to punch holes in a specific base metal. The formula to be used is provided along with the tensile strength for various metals. A calculator is required.

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• Calculating Lengths for Tube Bending

  By Dave Hoffman

  The learner reads an explanation of how to determine lengths for tubing and pipe bending and then performs calculations in an interactive exercise. Two methods for determining angle bends are shown. A calculator is required.

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• Calculating Lengths for Tube Bending

  By Dave Hoffman

  The learner reads an explanation of how to determine lengths for tubing and pipe bending and then performs calculations in an interactive exercise. Two methods for determining angle bends are shown. A calculator is required.

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• 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.

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• Eagle Power Roller - Operator's Control Panel

  By Dave Hoffman

  In this learning activity you'll discover how the Eagle Power Roller control panel operates.

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• HURCO Controller – Interactive Programming - Manual

  By Dave Hoffman

  Learners are asked to control the Adira press brake following the same steps they would if working on the actual machine.

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• Hydraulic Ironworker Part Identification

  By Dave Hoffman

  Learners read a description of the parts of an ironworker and identify them in an exercise.

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• Hydraulic Shear - Part Identification

  By Dave Hoffman

  The student is shown and then identifies the parts of a hydraulic shear.

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• Marvel Saw: Clearing Out a Job

  By Dave Hoffman

  In this simulation, learners follow steps to clear out a job that had been previously created.

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• Marvel Saw: Interactive Programming - CNC

  By Dave Hoffman

  In this simulation, learners follow 10 steps to program a job to saw metal. This activity includes a video clip.

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• Marvel Saw: Interactive Programming - Manual Mode

  By Dave Hoffman

  In this simulation, learners follow a series of steps to operate the Marvel Saw PCII in the manual mode. This activity includes a video clip.

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• Operating the Adira Hydraulic Shear

  By Dave Hoffman

  In this interactive object, learners set up a shear, enter the back gauge dimension, and prepare to shear metal in a simulation of the Adira Hydraulic Shear.

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• Pipe/Tubing Bender - Parts Identification

  By Dave Hoffman

  The student reads about the parts of a pipe/tubing bender and later identifies them in an interactive review.

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• Power Roller - Part Identification

  By Dave Hoffman

  In this learning activity you'll review the parts of a three-roll power roller and practice identifying them.

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• Press Brake - Hydraulic

  By Dave Hoffman

  Identifies the parts of the hydraulic press brake featuring the Adira up-acting press brake. Interactive section asks to identify parts after first learning them.

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• Press Brake - Hydraulic

  By Dave Hoffman

  Identifies the parts of the hydraulic press brake featuring the Adira up-acting press brake. Interactive section asks to identify parts after first learning them.

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• Press Brake - Loading Punches and Dies

  By Dave Hoffman

  The student reads about the procedures for loading punches and turning a die block in an up-acting hydraulic press brake. The safe handling of press brake tooling is also illustrated.

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• Programming Hurco Controller – CNC

  By Dave Hoffman

  In this learning activity you'll practice operating the Hurco Controller in the CNC mode.

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• Programming Hurco Controller – Manual Mode

  By Dave Hoffman

  In this learning activity you'll review an explanation of how to operate the Hurco Controller in the manual mode.

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• Programming the Hurco Controller - "CNC"

  By Dave Hoffman

  In this learning object you'll become familiar with the Hurco Controller in full CNC mode.

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• Safety - Hydraulic Iron Worker

  By Dave Hoffman

  In this learning activity you'll review safety considerations for persons using a hydraulic iron worker and takes a short quiz.

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• Safety - Hydraulic Metal Shears

  By Dave Hoffman

  The learner reads about safety considerations for operating a hydraulic metal shear. Text, graphics and a brief assessment are included.

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• Safety - Hydraulic Press Brakes

  By Dave Hoffman

  In this learning activity you'll review safety considerations for using hydraulic press brakes.

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• Safety - Power Pinch Roller

  By Dave Hoffman

  In this learning activity you'll review the safety considerations for persons using the power pinch roller and take a short quiz.

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• Safety - Tubing Bender

  By Dave Hoffman

  In this learning activity you'll review safety considerations for using a tubing/pipe bender.

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• Saw - Marvel - PCII - Clearing a Job

  By Dave Hoffman

  The student learns how to delete a job after it is programmed in the Marvel PCII.

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• Saw - Marvel - PCII - Keys Explained

  By Dave Hoffman

  In this learning activity you'll explore the Marvel PCII keys.

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• Saw - Marvel - PCII - Manual Programming

  By Dave Hoffman

  In this learning activity you'll review step-by-step instructions for the Marvel PCII using manual programming.

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• Saw - Marvel - PCII - Programming a Job (Full CNC)

  By Dave Hoffman

  The student views step-by-step instructions for programming a "job" with the PCII on the Marvel vertical band saw.

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• Saw - Vertical - Marvel - Operator's Panel

  By Dave Hoffman

  In this learning activity you'll explore the control panel of a Marvel 460A-PC vertical band saw and learn how to make a simple cut.

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• Saw Part Identification

  By Dave Hoffman

  Learners examine a photo of a Marvel Vertical Band Saw and then identify the parts in a drag and drop exercise.

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• Selecting Electrodes For Wire Feed Welding

  By Dave Hoffman

  In this interactive object, learners read an explanation of the electrodes used for welding with the GMAW and FCAW processes. In two matching exercises, students test their knowledge of classification and specification numbers.

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• Setting Shielding Gas Flow for Wire Feed Welding

  By Dave Hoffman

  In this interactive object, the learner reads an explanation of how various shielding gases are used in GMAW and FCAW. An exercise completes the activity.

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• Setting Up a Wire Feeder for GMAW

  By Dave Hoffman

  In this animated and interactive object, learners follow steps that begin with choosing the correct drive roll and include feeding the electrode wire from the spool to the welding gun.

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• Shear - Hydraulic - Adira - Operator's Panel

  By Dave Hoffman

  Picture of Adira hydraulic shear's operator's panel with part identification and instructions on how to start and stop the shear as well as setting stroke (cutting length).

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• Shear - Hydraulic - Adira - Setting Back Gauge

  By Dave Hoffman

  Step-by-step of setting the back gauge with an Adira Hydraulic Shear.

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• Starting a GTAW Weld Pool with Filler

  By Sue Silverstein, Dave Hoffman

  Students view a video that shows the correct methods for starting a GTAW weld pool and adding filler. It focuses on the two problems that many students have – adding filler too soon and angling the torch so that the filler melts prematurely on the filler rod. Note: This activity is 3.6 mb.

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• Starting a GTAW Weld Pool with Filler

  By Sue Silverstein, Dave Hoffman

  Students view a video that shows the correct methods for starting a GTAW weld pool and adding filler. It focuses on the two problems that many students have – adding filler too soon and angling the torch so that the filler melts prematurely on the filler rod. Note: This activity is 3.6 mb.

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• Top Bender - Operator's Control Panel

  By Dave Hoffman

  Learners are asked to program the Top Bender following the same steps they would if working on the actual control panel.

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• Top Bender - Interactive Operator's Control Panel

  By Dave Hoffman

  In this interactive object, learners follow steps to program and operate the Ercolina Top Bender.

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• Types of Power Sources for Gas Metal Arc Welding

  By Dave Hoffman

  Learners view wire feed power sources ranging from 110-volt, single phase units to 460-volt, three-phase units. A description and photos of each are provided.

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• Wire Feed Welding Gun Assembly

  By Dave Hoffman

  In this interactive object, learners follow steps to assemble a wire feed welding torch or gun.

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