Plans, projects and How-to's for Home Machinists and Other Makers
Rob
Darren over at MadModder.com wrote a nice tutorial that will teach you how to build a high current variable power supply suitable for a CNC conversion or a home-made power feed. He and others on the forum will probably be able to answer any questions you might have.
I got excited when I saw his thread because I still need to build the power supply for my mini-mill CNC conversion. … Read the rest
I want to tell you about an excellent tutorial that will teach you how to read a micrometer and give you some practice so you can be sure you are doing it right. This is still an important skill even though it seems like everything has a digital readout nowadays. Although it may seem like an inexpensive 6-inch digital caliper can be used to measure almost everything, especially in a home machine shop, a micrometer is often going to be more accurate and be the best or only tool for the job.… Read the rest
This tutorial was written by Earl Hackett, who graciously gave me permission to republish it here. Earl found that even though his mini-mill was trammed correctly, different length drill bits were not hitting the same spot on the work piece. He found that the spindle was slightly tipped and tilted instead of being square with the column. … Read the rest
I ran across this on the Home Model Engine Machinist forum. I think it is an ingenious, easy and almost fool-proof way to make a spoked flywheel with just a lathe and drill press. The flywheel blank is turned as shown and the spokes screwed in. The back is then cut away and the rim turned down a little bit so the spokes are flush. … Read the rest