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Search: Posts Made By: Gerald D
Forum: MechMates already cutting Tue 12 August 2008, 20:51
Replies: 231
Views: 231,447
Posted By Gerald D
The "Mamba" name for the current version of the...

The "Mamba" name for the current version of the MechMate has mostly fallen into disuse because this is the only version we have now. I had to introduce a new version (not venom) name because there...
Forum: MechMates already cutting Mon 11 August 2008, 09:13
Replies: 231
Views: 231,447
Posted By Gerald D
The red will grow on me yet :) Nice little...

The red will grow on me yet :)

Nice little air filter under your control box.
Forum: MechMates already cutting Wed 06 August 2008, 22:51
Replies: 231
Views: 231,447
Posted By Gerald D
If you want to experiment with a spinning cutter,...

If you want to experiment with a spinning cutter, think of a very sharp down cut spiral cutter. The "Belin" cutter bits from France are very sharp, polished, cutters. Have heard there are some...
Forum: MechMates already cutting Wed 06 August 2008, 11:26
Replies: 231
Views: 231,447
Posted By Gerald D
Ed, I have no personal experience of using...

Ed, I have no personal experience of using limit/homing switches yet. Let's hope someone else drops a clue. Have you tried the Machsupport forum?
Forum: MechMates already cutting Fri 20 June 2008, 11:24
Replies: 231
Views: 231,447
Posted By Gerald D
Those are perfect - they do have the gold-plated...

Those are perfect - they do have the gold-plated contacts. Quote:

Contact Material = Palladium Ruthenium, Gold Overlay
Forum: MechMates already cutting Fri 20 June 2008, 10:33
Replies: 231
Views: 231,447
Posted By Gerald D
Can't figure what you, or I, are saying, or...

Can't figure what you, or I, are saying, or supposed to be saying, when you say the above?? :)

Use NO relays (spring Opens them, electricity Closes them) with very good contacts.

For the...
Forum: MechMates already cutting Fri 20 June 2008, 10:22
Replies: 231
Views: 231,447
Posted By Gerald D
ED, your series one is correct - dave had his...

ED, your series one is correct - dave had his switches shown in parallel. (will take his pic out now, to avoid confusion)
Forum: MechMates already cutting Fri 20 June 2008, 08:38
Replies: 231
Views: 231,447
Posted By Gerald D
Ed, I would stay away from $2 relays for this...

Ed, I would stay away from $2 relays for this application. The relays should be a little bit special - they should have gold on their contacts. We only have a puny 5V signal that we want to get...
Forum: MechMates already cutting Thu 19 June 2008, 22:52
Replies: 231
Views: 231,447
Posted By Gerald D
Hi Ed, I did not delete anything like...

Hi Ed,

I did not delete anything like that......are you talking of the posts in this thread (http://www.mechmate.com/forums/showthread.php?t=584). #'s 114 and 119?

Some very neat wiring! I...
Forum: MechMates already cutting Fri 13 June 2008, 20:45
Replies: 231
Views: 231,447
Posted By Gerald D
Umm Ed, I thought that you were a steelworker?...

Umm Ed, I thought that you were a steelworker? Blokes like us are not supposed to do nice woodwork...or so I tell myself when I gouge some wood by mistake.

Good Stuff!
Forum: MechMates already cutting Sat 07 June 2008, 10:23
Replies: 231
Views: 231,447
Posted By Gerald D
My view is that the foot should be fixed to the...

My view is that the foot should be fixed to the y-car, and that it should not ride up and down with the z-axis. (Realise that I am biased to production board cutting). The optimum height of the skirt...
Forum: MechMates already cutting Thu 05 June 2008, 00:26
Replies: 231
Views: 231,447
Posted By Gerald D
Can't see/feel any significant wear on our...

Can't see/feel any significant wear on our MechMate's pinions and racks (without stripping it down to inspect). Our ShopBot had narrow unhardened pinions which wore out after maybe 1000 hours of...
Forum: MechMates already cutting Wed 04 June 2008, 09:27
Replies: 231
Views: 231,447
Posted By Gerald D
Pinion size affects: Speeds -...

Pinion size affects:
Speeds - big=fast..........small=slow
Force/torque - big=low force/torque.........small = high force/torque
Resolution/chatter marks - big = poor resolution with...
Forum: MechMates already cutting Wed 07 May 2008, 12:45
Replies: 231
Views: 231,447
Posted By Gerald D
I would think that eccentrics on the other side...

I would think that eccentrics on the other side would be a pain to adjust . . . . .
Forum: MechMates already cutting Wed 07 May 2008, 09:59
Replies: 231
Views: 231,447
Posted By Gerald D
Ed, some guys put the eccentrics on the other...

Ed, some guys put the eccentrics on the other side of the v-rollers.....that could give you more bracket clearance.
Forum: MechMates already cutting Mon 21 April 2008, 11:14
Replies: 231
Views: 231,447
Posted By Gerald D
Double-check what I said - I am making too many...

Double-check what I said - I am making too many mistakes these days. :(
Forum: MechMates already cutting Mon 21 April 2008, 10:25
Replies: 231
Views: 231,447
Posted By Gerald D
The center of the router sits about 4" off the...

The center of the router sits about 4" off the center of the gantry, away from the side that has the cable chain, towards the y-motor.

The center of the router should run 2" off the spoilboard to...
Forum: MechMates already cutting Fri 18 April 2008, 22:17
Replies: 231
Views: 231,447
Posted By Gerald D
Nice pictures Ed!

Nice pictures Ed!
Forum: MechMates already cutting Thu 17 April 2008, 02:17
Replies: 231
Views: 231,447
Posted By Gerald D
Ed, you discovered my error a couple of hours...

Ed, you discovered my error a couple of hours after someone else - it was discussed on this forum only hours ago. Your countersinking proposal is the correct solution....
Forum: MechMates already cutting Wed 16 April 2008, 11:21
Replies: 231
Views: 231,447
Posted By Gerald D
When the router is in the home 0,0 position, the...

When the router is in the home 0,0 position, the y-chain is lying down on the support bracket, while the x-chain is pulled up into the air.
Forum: MechMates already cutting Wed 16 April 2008, 11:19
Replies: 231
Views: 231,447
Posted By Gerald D
Ed, if your drawing shows the green bands being...

Ed, if your drawing shows the green bands being the cable chains folded to the top (hanging under their own weight), then they are correct in relation to the off-center cross-bearers. So I think you...
Forum: MechMates already cutting Wed 16 April 2008, 10:48
Replies: 231
Views: 231,447
Posted By Gerald D
Ed, unfortunately your layout looks very mixed...

Ed, unfortunately your layout looks very mixed up.

If you look at your computer screen, 0,0 is bottom left.
y=0 is the bottom horizontal edge of the screen, y=max is the top edge.(long edges)...
Forum: MechMates already cutting Thu 03 April 2008, 21:03
Replies: 231
Views: 231,447
Posted By Gerald D
Well said Doug. There is no harm in...

Well said Doug.

There is no harm in building the longer z-slide - it might increase the re-sale value one day :)

On a serious note, I added the longer versions as options so that folk could...
Forum: MechMates already cutting Thu 27 March 2008, 09:26
Replies: 231
Views: 231,447
Posted By Gerald D
Ed, the full wiring diagram for your type of...

Ed, the full wiring diagram for your type of relay is at post #7 of this thread:
http://www.mechmate.com/forums/showthread.php?t=290

It is a different approach to that what Sean is suggesting,...
Forum: MechMates already cutting Wed 26 March 2008, 12:11
Replies: 231
Views: 231,447
Posted By Gerald D
Only swop the two A wires with each other at the...

Only swop the two A wires with each other at the Gecko. (Or just the B wires). In other words, only reverse one coil.

But wait till the capacitors are discharged after switching off!
Showing results 1 to 25 of 31

 
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