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Making Machining Wax

So, What is machining wax and why would we want to make it? Machining wax is a mix of paraffin wax and soft plastic. it is used as a training tool on mills and CNC machine.

By itself, paraffin wax will melt and deform when used on a mill, by adding the soft plastics to the mixture, it makes it durable enough to withstand the heat of the milling process, yet soft enough that it can be milled without any damage or wear to the milling bit.

This type of wax is also called jewelers wax and is used in the process of creating wax designs which are then used in a lost wax casting process.

Also this is a great way to use recycleable #2 and #4 plastics. we will be using a whole raft of 'single use' grocery bags and a few blocks of foam from computer packaging.

We will be following this instructable:

If you wish to participate

You must be wearing long pants, closed toed leather shoes, eye protection, and have a pair of well fitting full leather gloves ( something like these: )

See you there!


Earlier Event: September 19
Electronic Test Equipment, Basic to Exotic
Later Event: October 11
NASA JPL Open House