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macona
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macona
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08-22-2006
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09:09 PM
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macona
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Today,
01:01 PM
macona
replied to a thread
Problems with craftsman 1997 mig welder 120v flux/gas option.
in
Home Shop Welding
Sounds like a combination of problems. Shorted diode in the rectifier and a stuck contractor.
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7 replies | 99 view(s)
Today,
11:51 AM
macona
replied to a thread
Surface grinding on a horizontal mill
in
General
Spindle speed is almost certainly too slow and you cant move the table fast enough.
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7 replies | 387 view(s)
Yesterday,
05:56 PM
macona
replied to a thread
Precisely speaking, what's the difference between CVD and PVD
in
General
PVD, Physical vapor deposition, the coating is deposited physically. This could be by thermal evaporation, sputtering, ion deposition, or e-beam...
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3 replies | 247 view(s)
Yesterday,
12:43 PM
macona
replied to a thread
Laser Welder Gloat
in
General
Looks like I have +/-6% to work with. So it's a couple 1.5kw buck/boost transformers for me. Ordered new particulate and DI filter for the...
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37 replies | 2426 view(s)
Yesterday,
12:29 PM
macona
replied to a thread
Jones Motrola Double Range Model 3200 Hand Tachometer
in
General
I got one a year or so ago used, paid $10. -Jerry
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2 replies | 107 view(s)
06-17-2013,
12:28 AM
macona
replied to a thread
Laser Welder Gloat
in
General
The line shouldnt load down to 220v, it is a full 200A 3 phase service. I think it will probably be OK, but I want confirmation from JK first.
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37 replies | 2426 view(s)
06-16-2013,
11:00 PM
macona
replied to a thread
Laser Welder Gloat
in
General
Gut it unloaded and in the garage after about 2 hours of jockeying stuff around. I rolled it off the back of the trailer with a pallet jack and a...
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37 replies | 2426 view(s)
06-16-2013,
10:40 PM
macona
replied to a thread
Cobalt tooling, am I do something wrong?
in
General
Same here, never have had a problem.
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21 replies | 1209 view(s)
06-16-2013,
05:39 AM
macona
replied to a thread
OT: Computer Repair 101: Why the Mother Board?
in
General
A laptop motherboard is no different than a board out of something like and XBox or PS3 and those are repaired all the time. You need special...
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18 replies | 899 view(s)
06-15-2013,
01:48 AM
macona
replied to a thread
Need purchase advice
in
Home Shop Welding
Great machine, they rarely had problems and the ones that did come in to my shop for repair usually turned out to be user error. I know I had one...
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9 replies | 228 view(s)
06-14-2013,
10:33 PM
macona
replied to a thread
Laser Welder Gloat
in
General
Yes, the Sigma IIs do have step/dir inputs. I think if I do choose to ditch OpenCNC I might go to EMC on this one. But the Mechatrolink interface...
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37 replies | 2426 view(s)
06-14-2013,
06:09 PM
macona
replied to a thread
Laser Welder Gloat
in
General
Loaded up and ready to come home: Untitled by macona, on Flickr Untitled by macona, on Flickr
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37 replies | 2426 view(s)
06-14-2013,
12:13 AM
macona
replied to a thread
Laser Welder Gloat
in
General
Not sure what I am going to do with it. First I need to see if I can get it working. I got a line on a guy that can recoat the ends of the YAG rod....
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37 replies | 2426 view(s)
06-14-2013,
12:10 AM
macona
replied to a thread
Large capacitor inside my grinder?
in
General
Its a motor run capacitor. No, you cant remove it.
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18 replies | 903 view(s)
06-13-2013,
03:15 PM
macona
replied to a thread
neead a source - metric ball screws
in
General
eBay? What kind do you need? Rolled, ground, preloaded, etc. Hiwin is pretty cheap for good screws.
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8 replies | 356 view(s)
06-13-2013,
01:57 AM
macona
replied to a thread
proper technique for welding bandsaw blades
in
Home Shop Welding
oxy-acet torch, silver solder, and a jig.
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4 replies | 184 view(s)
06-13-2013,
01:50 AM
macona
replied to a thread
Gloat? Not sure....
in
General
There are ways to glue teflon. Heck, I have adhesive backed teflon tape. Pretty useful stuff.
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19 replies | 1923 view(s)
06-12-2013,
11:28 PM
macona
replied to a thread
Laser Welder Gloat
in
General
Brought home the first part of the pile, the power supply and the spares/manuals/etc. I am renting a trailer tomorrow to pick up and bring the main...
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37 replies | 2426 view(s)
06-11-2013,
10:59 PM
macona
replied to a thread
Laser Welder Gloat
in
General
It depends, here the gas (argon) comes out the nozzle when welding. Some laser setups are in a glovebox where it is filled entirely with argon. For...
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37 replies | 2426 view(s)
06-11-2013,
08:47 PM
macona
replied to a thread
OT:(maybe) - Video Capture - Industrial Environment
in
General
Point Grey makes some little cameras that would do the trick. You might be able to get some used off ebay.
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15 replies | 745 view(s)
06-11-2013,
05:58 PM
macona
replied to a thread
should i reweld my 4x6 bandsaw blade?
in
General
If it has a brass gear you want "Mineral" gear oil. 90 or 140wt
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26 replies | 1240 view(s)
06-11-2013,
05:56 PM
macona
replied to a thread
Laser Welder Gloat
in
General
Found some more info on it going through the documentation. Travel on X is 18" and Y is 12", Z has 8" of travel. Tektronix paid over $270,000 for...
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37 replies | 2426 view(s)
06-11-2013,
01:07 AM
macona
replied to a thread
Laser Welder Gloat
in
General
I have a whole bunch more 450v caps I had gotten from the Tek Country store years ago. Wonder if they might have been spares for it. That would be...
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37 replies | 2426 view(s)
06-11-2013,
12:33 AM
macona
replied to a thread
black aluminum welds
in
Home Shop Welding
You are running 5356 rod, black is normal, it wipes off. 5356 is harder, stronger, and can be anodized. 4043 welds easier and smoother.
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6 replies | 364 view(s)
06-10-2013,
11:52 PM
macona
replied to a thread
Laser Welder Gloat
in
General
Yeah, it has a complete power supply, cap bank, and trigger circuit for each pump lamp. If you click on the photo it will take you to flicker...
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37 replies | 2426 view(s)
06-10-2013,
09:48 PM
macona
replied to a thread
Laser Welder Gloat
in
General
Nah, it takes an extreme amount of power to do something that damaging to your body. This wont do it. YAGs are a little less friendly than CO2s...
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37 replies | 2426 view(s)
06-10-2013,
09:28 PM
macona
replied to a thread
3D printer idea.
in
General
SLS has been around for a while. People have tried it with the cheap lasers but almost no one makes a laser cutter with a controlled Z axis. Mine...
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3 replies | 276 view(s)
06-10-2013,
02:14 AM
macona
replied to a thread
Grinding chuck jaws?
in
General
I did the same as Jaakko. In the case of my near new Buck 6-jaw there was not an issue with bell mouth, the jaws were not coming together on the...
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23 replies | 1252 view(s)
06-10-2013,
01:27 AM
macona
replied to a thread
Laser Welder Gloat
in
General
Paul, thanks for the links. I got to figure out what I am going to do for a 450v power supply to reform them. Maybe a simple voltage quadrupler and a...
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37 replies | 2426 view(s)
06-09-2013,
06:31 PM
macona
replied to a thread
Laser Welder Gloat
in
General
If I just went with trying single phase I think it would be limited to about 1/3 output, if it worked at all. It does have undervoltage detection....
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37 replies | 2426 view(s)
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About macona
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