Workshop Practice Week 7

In this action packed episode we use the hacksaw and learn the safety when working with it.  Also the drill press and hand files and the Nibbler tool.

We manufacture a steel plate with an 11/16″ Whitworth thread in it, and ensure it’s filed perfectly square all around.
Firstly we’ll look at the drilling machine.

Drilling machines US Army Training Circular 1996:

The PowerPoint for the above training activity is in this link click to access

There is a PowerPoint for understanding essentials of hand filing in this link click to access

Before you start to manufacture your steel plate, relax and watch Santa:

If you did not see the tapping videos from Tubal Cain please go back to week 6 to see them (machine shop tips #1 & #2) : https://www.learn.org.au/ueenee-course-pages/ueeneee102a-fabricate-assemble-and-dismantle/workshop-practice-week-6/

 
Here is a good simple video about hacksawing:

 
Here is a drilling chart for tapping:
 

There are other tools worthy of mentioning.  The Nibbler is a common sheet metal tool for cutting and removing small amounts of metal.  I have embedded two Youtube videos here about nibblers.  The first video features the Bersey nibbler, which we have in our workshop, and also a conventional straight nibbler.  Take note of how the Bersey nibbler rolls up the metal it removes.  Each hand nibbler has it’s own best use.

The Second video (further down the page) features a simple nibbler attachment for an electric drill. These are very economical compared with buying a dedicated nibbler such as a Makita.  See the price for this here:

You do not need to buy an expensive tool like this… See the second video.  There are also many cheaper Air Nibblers available.  Consider hiring a tool like the Makita for larger jobs from around $40 per day.