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I turned a bunch of test threads and the best fit has been .480 diameter at 12TPI. Its possible the thread was cut 12X2.0Mmm, but I'm not going to mess with it anymore. I hope this saves someone...

I should have been more clear. Would someone who also owns this machine mind identifying the thread of the quill feed handle?

I have an 1984 Jet-16 Mill Drill that I am converting back to manual. The machine never came with handles to raise and lower the quill. I can't tell what the thread pitch of the handles was based...

is your PP inserting G28 into the code? This was happening to me with the Fusion 360 PP.

I've had my mill setup and working for about 4 years and right before a job my aging computer decided to call it quits. Luckily I was able to pull the Mach3 folder off the hard drive and move it to...

Okay the problem has been resolved, but I'm not sure what the issue was. I switched from a computer running vista (Hey its the only 32 bit system I had at the time, don't judge me) to a computer...

When jogging the Units/Min under the "Feed Rate" section displays 0.00. This used to display the current rate at which the axis was moving. Occasionally it will work, but more often than not it...

I plan on milling aluminum and brass with the high speed spindle, but only with small endmills doing light detail cuts. The majority of the roughing work will be done by my mill/drills 1hp 2000 rpm...

I sent an email over to UGRA CNC today to inquire about buying a spindle from them. Sounds like a much better route. Fortunately the ebay seller has agreed to refund my money.

Opps, yes it is. I meant to say I tested the inside of the taper on my mill/drill which gave me about .0002 TIR. My mill drill is my cnc machine but is limited to 2000 rpm. I plan to add a...

I took the measurement on the inside of the spindle taper. I also repeated the test with an end mill and got similar results.

Testing the inside of mill/drill taper gave me about .0002. I was...

Is anyone with a Chinese spindle measuring run-out anywhere close the the .005mm that most ebay sellers spec? I ordered a 2.2KW spindle on ebay, and the runout is about .002in(.05mm) which is 10...

I've constructed a home made fog buster, and am having problems with reliable coolant flow and sputtering. I'm fairly certain the problem lies with my nozzle setup. Instead of using a 1/8 OD...