Explore high-paying careers in clean, high-tech Connecticut manufacturing.

Name of NGM Educator:

Raymond Frost, Introduction To Engineering Instructor, Rockville High School

Name of Host Company:

Habco, Inc., Glastonbury, CT

Grade Level:

10 - 12th

Student Work Types:

Walk-throughs with random individual student checks to assess their understanding.

Task Abstract:

The students will create a product using contemporary manufacturing techniques.

Task Objectives:

Students will be able to:

1. Properly and safely mount a work piece in the lathe
2. Face an object using the lathe
3. Center drill an object using the lathe
4. Bore an object using the lathe
5. Tap interior threads using hand tools and the Bridgeport quill as a guide

Essential Understandings/Questions:

How does a combination of operations produce a finished product?

Why do I need to understand measurement?

How can charts and graphs aid me in my work?

Task Description:

The students will cut a 2-inch piece of threaded rod and mount it in the lathe using jam nuts to avoid thread damage. They will face both sides of the rod and center drill one side. With the help of a drill index chart for drill size selection, they will then drill a hole the appropriate size to cut internal 1/4 x20 threads. They will mount the piece or rod in the Bridgeport vice and use the quill to guide them for a straight thread cut. They will use a conventional tap first and then a bottoming tap.

Resources Required:

Metal working lathe

Bridgeport mill

Tap sets

9/16 threaded rod

Drill index chart

Rulers

Prior Learning Required:

Familiarization with lathe and Bridgeport usage.

Ability to measure.

Ability to read drill sizes.

machine shop

Individual or Group Work: 

individual

Educator Comments: