Hi Kev - welcome to HomemadeTools.net

Post some pics of your saw, we'd love to take a look. Here are some links for drill press and disc sander ideas:

Homemade Drilling and Drill Presses - HomemadeTools.net
Homemade Disc Sanders - HomemadeTools.net

Post on the forum with any questions you may have. You’ll get some great responses, and we like discussing tool builds in progress.