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Search: Posts Made By: Mike Nash
Forum: Archives Thu 31 July 2008, 15:23
Replies: 68
Views: 31,229
Posted By Mike Nash
Anyone seen this TrueCNC Design?

Maybe it's old hat. I just found something on CNCZone http://www.cnczone.com/forums/showpost.php?p=483296&postcount=12 thatprompted me to do a web search.
...
Forum: 10. Base Table Mon 11 February 2008, 11:22
Replies: 12
Views: 7,593
Posted By Mike Nash
Another issue with those bolt-on tongue jacks is...

Another issue with those bolt-on tongue jacks is the sloppy pivot point where it folds up. I have a tablesaw with cheesy casters that has to be dragged rather than rolled since the legs twist from...
Forum: About this Forum Sun 27 January 2008, 08:45
Replies: 5
Views: 5,573
Posted By Mike Nash
Will do. I noticed this morning that the forum...

Will do. I noticed this morning that the forum didn't remember me. CNCzone had this problem for awhile and it was random. I had to "clear my cookies" but it wasn't a gastrointestinal problem. I...
Forum: About this Forum Sat 26 January 2008, 18:47
Replies: 5
Views: 5,573
Posted By Mike Nash
That's not it. Because I see the pictures in some...

That's not it. Because I see the pictures in some threads, but not in others. I was logged in, I was welcomed and chose the new posts option and only got those. Now I can see the pix in this thread....
Forum: About this Forum Sat 26 January 2008, 07:58
Replies: 5
Views: 5,573
Posted By Mike Nash
Why can I sometimes not see all the pictures?

Where are the pictures? I'm logged in but what I often see is:

It all works. Now to get the table done.
Name: Ratsnest.jpg Views: 44 Size: 47.2 KB

This only happens at mechmate, not at...
Forum: 702. Power Supplies Thu 24 January 2008, 21:47
Replies: 18
Views: 15,280
Posted By Mike Nash
You may want to reconsider the location of the...

You may want to reconsider the location of the bridge rectifier.There was a post recently on CNCzone that showed a pretty ugly failure when the bridge overheated and shorted due to a loose screw...
Forum: Miscellaneous / General / Whatever / Catchall Thu 24 January 2008, 21:47
Replies: 308
Views: 92,290
Posted By Mike Nash
You may want to reconsider the location of the...

You may want to reconsider the location of the bridge rectifier.There was a post recently on CNCzone that showed a pretty ugly failure when the bridge overheated and shorted due to a loose screw...
Forum: Construction started, but not cutting yet Sat 22 December 2007, 07:00
Replies: 7
Views: 4,233
Posted By Mike Nash
Will they ship UPS if the rails were all 6 foot?...

Will they ship UPS if the rails were all 6 foot? If so, it would be much cheaper to order enough 6 footers and piece them together. It would make it (slightly) harder to mount them, but not much.
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Tue 27 November 2007, 08:20
Replies: 87
Views: 47,467
Posted By Mike Nash
I purchased 4 each, P/N 200011 73" 20PA 20...

I purchased 4 each, P/N 200011 73" 20PA 20 Pitch Gear Racks for $24.80 each plus $20.00 for shipping in June 2007 from http://www.stdsteel.com/gr_stock.htm for a different project. They don't take...
Forum: Motors & their mountings Tue 25 September 2007, 15:39
Replies: 26
Views: 11,721
Posted By Mike Nash
There was a thread here:...

There was a thread here: http://www.cnczone.com/forums/showthread.php?t=29262
in which Mariss may have answered this question regarding drive current vs motor current. See post 32.
Forum: 60. Wiring & Cable Management Mon 10 September 2007, 14:09
Replies: 107
Views: 52,364
Posted By Mike Nash
Ground Loops? (Your crazy Banyan...

Ground Loops? (Your crazy Banyan Tree.)http://img2.travelblog.org/Photos/13157/51093/f/291781-The-Great-Banyan-Tree-0.jpg
Forum: Archives Mon 18 June 2007, 15:37
Replies: 94
Views: 35,058
Posted By Mike Nash
On a factory floor, it isn't common at all. Per...

On a factory floor, it isn't common at all. Per NEC code, it is required in newly built or (re)wired home garages, kitchens, baths and outdoor receptacles. But most older garages don't have GFI and...
Forum: Archives Mon 18 June 2007, 11:04
Replies: 94
Views: 35,058
Posted By Mike Nash
That's good. And I was actually addressing the...

That's good. And I was actually addressing the contactor as opposed to the disconnect switch. It's the reason redundant contactors are required in the applications that are considered to be more...
Forum: MechMates already cutting Sun 17 June 2007, 15:40
Replies: 415
Views: 107,569
Posted By Mike Nash
Well, yes and no. One of the issues with E-Stops...

Well, yes and no. One of the issues with E-Stops in general is all of the new safety regulations that go with them. Depending on the assessed level of hazard to life and limb, it can get very pricey...
Forum: Archives Sun 17 June 2007, 15:40
Replies: 94
Views: 35,058
Posted By Mike Nash
Well, yes and no. One of the issues with E-Stops...

Well, yes and no. One of the issues with E-Stops in general is all of the new safety regulations that go with them. Depending on the assessed level of hazard to life and limb, it can get very pricey...
Forum: Archives Sun 17 June 2007, 09:11
Replies: 94
Views: 35,058
Posted By Mike Nash
As far as bottom feeding a contactor, I'm not...

As far as bottom feeding a contactor, I'm not sure. The only example I found was another Reliance Electric design, but they had relabeled the terminals. I found this short discussion also but I don't...
Forum: Archives Sat 16 June 2007, 18:09
Replies: 94
Views: 35,058
Posted By Mike Nash
I don't think it is against any codes in the US....

I don't think it is against any codes in the US. The one I ran into was a US made, UL approved, digital DC drive package built by Reliance Electric.
Forum: Archives Sat 16 June 2007, 11:10
Replies: 94
Views: 35,058
Posted By Mike Nash
Yeah, I looked at your links after I posted mine....

Yeah, I looked at your links after I posted mine. :o I like those fuseholders too as long as you have end clamps or other devices to support them, such as the relay/contactor. Plus you have to buy...
Forum: Archives Sat 16 June 2007, 08:04
Replies: 94
Views: 35,058
Posted By Mike Nash
The L is fine. It simply seems to be a convention...

The L is fine. It simply seems to be a convention to use the first letter of the lens color inside the figure. A was for amber in this case, though any color is fine. The circuit looks great.

One...
Forum: Archives Fri 15 June 2007, 20:09
Replies: 94
Views: 35,058
Posted By Mike Nash
Hi Greg, The picture is a little unclear...

Hi Greg,

The picture is a little unclear mostly because it is shown pictorially. I've put a standard E-Stop type circuit below with an added Off pushbutton. The C1 contact is the "seal in" contact...
Forum: Archives Fri 15 June 2007, 13:42
Replies: 94
Views: 35,058
Posted By Mike Nash
Hi Gerald, The last was better, but at...

Hi Gerald,

The last was better, but at least in the US it is rare to see the neutral being switched and is possibly not to NEC code. It is also much, much easier to trace down open switches when...
Forum: Archives Thu 14 June 2007, 20:39
Replies: 94
Views: 35,058
Posted By Mike Nash
Hi Gerald, I do industrial controls for a...

Hi Gerald,

I do industrial controls for a living in the US. I just saw this thread and one thing that jumps off the page at me is the location of the Off/Estops vs the On Pushbutton. The ideal...
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