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Old 12-14-2013, 02:01 AM   #61
stevehuckss396
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Just a quick update. The DB25 cable was delivered a couple of days ago. I got the motors, the Gecko controller, cables and the power supply all hooked up. Loaded up Mach3 and got everything configured. The steppers all respond and move correctly to the Mach3 commands. Even loaded up the G-Code file to print my name and ran it. Unfortunately, I still haven't received my X & Y timing belts (Aarrgghh!). So, even though the motors spin, the table doesn't move... Wish I'd ordered the belts sooner. Now that the conversion is virtually done, the waiting is killing me!
Chuck
Chuck! thats great to hear.

Quick note: when you get the belts on remember that the arrow keys on the keyboard are which way the tool is supposed to move, not the table. That means when you hit the left arrow the table should move right. When you hit the arrow to move toward you, the table should move away from you. When you arrow left and the table moves right its the same as the tool moving left.


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Old 12-14-2013, 04:06 AM   #62
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Chuck! thats great to hear.

Quick note: when you get the belts on remember that the arrow keys on the keyboard are which way the tool is supposed to move, not the table. That means when you hit the left arrow the table should move right. When you hit the arrow to move toward you, the table should move away from you. When you arrow left and the table moves right its the same as the tool moving left.
Thanks, Steve, I had to double check, but turns out I did have it right. I can tell from the direction the motors are turning which way the table will move.

Chuck


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Old 12-17-2013, 09:30 PM   #63
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Got the belts today. Here's a picture of the first job...



Video is still uploading to Youtube... will post the link later.

Chuck
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Old 12-17-2013, 09:44 PM   #64
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Chuck, that looks great. You are going to love this thing.

Regards,


Chuck Kuhn
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Old 12-17-2013, 11:27 PM   #65
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Thanks, Chuck, here's the video...


Chuck
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Old 12-18-2013, 12:03 AM   #66
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That is very smooth. Very nice work once again.
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Old 12-18-2013, 12:31 AM   #67
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How freakin cool is that!

Do my name now!!
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Old 12-18-2013, 06:15 AM   #68
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Thanks, Steve, Rick. I think I ruined the only felt tip pen I have!

So, I want to do some profile cutting in 1/4" aluminum plate (I'm guessing it's 6061) using a 1/8" Kyocera, 2 flute solid carbide bit. My milling spindle will only do about 2500 RPM. How fast should I feed the work and what depth of cut would be best? I've currently the feed rate set at 12 inches per minute. I've looked at several web pages and they start talking about surface feet per minute, inches per tooth, and other terms that I just don't understand.

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Old 12-18-2013, 01:17 PM   #69
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Feed rate stuff? I only remember some of it from running CNC 13(?) years ago. I'll bet you have a good enough feel and ear for it from all the milling you have done. I only did it in one material so I only had to change RPM and FPM based on cutter diameter.
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Old 12-18-2013, 01:57 PM   #70
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Chuck, the aluminum profiling I have done was with a 2 flute carbide bit at 1800 rpm. At the time that was the max spindle rpm. I cut .008 deep at about 1/3 the tool width. The problem you are going to run into is the tool will try to gum up(I assume you aren't running a coolant). Stand by with a can of WD-40.

With Mach it's difficult to stop and start again, but if your tool gums up you will probably break it. The low RPM helps to keep the tool clean because of less heat generation.

maury


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