Derek Kuschel: Hey Jim, What kind of spindle is on that X3? It looks like an upgrade from stock
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Jim McPherson: I use Mach3.
Jim McPherson: You'd be surprised at how little coolant is needed when machining aluminum. Dry machining is becoming quite popular. With the right speeds and feeds the tool is cool the entire time, the chips take all the heat away.
jhareng: How many hours did it take to get to the machining stage?
Add on the blunders.
The mishap, better to start again.
UmGlockollie: I finally saw you use some,what did you say earlier wd-40. Man you still use the least amount of coolant as I've ever seen although you obviously know exactly what your doing. Makes me wonder why we use a constant flow of coolant on everything we do.
lynxZenfold: being that close to the head made my eyes placebo itch x.x
vinnie302: What controller does your retro-fit mill use? I work in a machine shop and all of our machines have FADAL controllers or HAAS controllers.
Robert Welchman: How many hours does it take your x3 to mill an upper and a lower?
Olibara Hosasa: Hi, great videos.
Could one make an entire AR-15 this way? (Maybe except for a barrel)
Jim McPherson: @deepwater1974 IIRC it was a 7/16" x 3" end mill for the roughing out.
Evan Drince: Can you give me the exact size and specs of the end mill you used for the fire control pocket and trigger? Thank you.
captain2231: What kind of vmc are you useing?
Jim McPherson: @russtuff Thank you very much! I'm really pretty new at all this, I'm not sure I deserve the talented part yet, but hopefully I will one of these days :-)
russtuff: this project blows my mind. you are very talented and i appreciate your uploading the series.
CNC Milling an AR-15 Receiver From Scratch Chapter 6: FCG and Magwell Bottom5
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