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Ace Monster Toys Message Board › Info about Saturday's CNC Mini-mill class

Info about Saturday's CNC Mini-mill class

Steve B.
user 118070972
Emeryville, CA
If you don't intend to come, and you have RSVP'ed yes, please be sure to change your RSVP. There are a number of people on the waiting list who would like to come.
Also, please understand that this is NOT a class on how to use CAD or CAM software. We will NOT be learning to run software to design your part, define tool paths, or generate G-code to control the machine.
This IS a class on the specifics of how to safely run the Mini-mill and the Mach3 machine control software.
Because of the size of the class, I do not think that we will have time for everyone to have actual hands on time with the machine. Some people may stay after to work on the machine. We will play it by ear.
If you do have a part you want to cut out, please do bring your CAD/CAM/G-code files and we can take a look at what you've got and talk it.
Given all of that, I hope to see a bunch of you on Saturday afternoon.
Here is an outline of what I hope to cover in the 2 hours:
AMT CNC Mini-mill class outline

Liability waivers

Machine has no brain. Use your own!
Machine can move at any time on its own
E-stop buttons - Does NOT control spindle
Eye and ear protection
Sleeves, jewelery, etc
No unattended cutting!

Parts of a mill
Spindle and collets
Table, t-slots
Computer interface
Mach3 software and g-code

Vise, parallels
Squaring the vice to the table
Sacrificial surface

Coordinates and directions
Move the tool, not the workpiece
Setting the origin
Edge finder

Cutting tools
End Mills
Saws, boring heads, fly cutters, profile cutters, and other stuff we don’t have

Speeds and feeds
Feed rate IPM, IPR, IPT

Extra considerations for CNC
Make an “air pass” first
Don’t hit the clamps or table!
Turn cutouts to chips
Leave tabs to hold bigger cutout parts

Cleanup and shutdown
Power off
Put away tooling
Clean up chips
Log anything broken, missing, or just general comments
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