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Search: Posts Made By: sprayhead
Forum: MechMates already cutting Wed 13 February 2013, 19:05
Replies: 268
Views: 46,039
Posted By sprayhead
Laserline.

Laserline.
Forum: MechMates already cutting Wed 20 July 2011, 08:07
Replies: 268
Views: 46,039
Posted By sprayhead
Cool I am interested...

Cool I am interested...
Forum: MechMates already cutting Tue 19 July 2011, 07:09
Replies: 268
Views: 46,039
Posted By sprayhead
Red, can you help me? remember where you got...

Red, can you help me? remember where you got these feet?? thanks!
Francis
Forum: MechMates already cutting Sat 27 November 2010, 04:40
Replies: 93
Views: 25,528
Posted By sprayhead
Hi Jeff, Why did you changed from your...

Hi Jeff,

Why did you changed from your geared motors? was it only because of the backlash? Did the motors give you other problems?

Regards,
F.
Forum: 60. Wiring & Cable Management Mon 25 October 2010, 23:43
Replies: 3
Views: 2,824
Posted By sprayhead
Twisted pair shielded cable for stepper motors

HI,

I have seen that most people seem to not use twisted pair cabling between motors and drives.

Should we or not use twisted pair between driver and motor?

F.
Forum: Motors & their mountings Sat 28 August 2010, 09:19
Replies: 4
Views: 2,609
Posted By sprayhead
Thanks Gerald, good to see you are still active...

Thanks Gerald,
good to see you are still active up here.

Francis
Forum: Motors & their mountings Sat 28 August 2010, 07:46
Replies: 4
Views: 2,609
Posted By sprayhead
thanks tony, I was just having a look at the...

thanks tony,

I was just having a look at the drawings... and,

The holes are .1 mm bigger then the nominal screw diameter. So, in theory, we would have a .05 backlash.?
But I suppose if we...
Forum: Motors & their mountings Sat 28 August 2010, 04:19
Replies: 4
Views: 2,609
Posted By sprayhead
How to guarantee zero backlash when mounting the motor mounts...

HI guys

When mounting the whole motor assembly to the gantry, how do we guarantee we get zero play with the screws and washers?

Do we need a screw that fits the gantry and motor mount hole with...
Forum: Motors & their mountings Sat 27 February 2010, 15:07
Replies: 20
Views: 4,717
Posted By sprayhead
Hot!! mmmm, I mean... coooool:D ...

Hot!!
mmmm,
I mean...
coooool:D


NICE DATA!!
Forum: Motors & their mountings Fri 26 February 2010, 21:16
Replies: 47
Views: 26,980
Posted By sprayhead
Thank all, It's really worth it having a...

Thank all,

It's really worth it having a look here (http://www.mechmate.com/forums/showthread.php?t=2526&page=2) (same link bradm showed me) on the posts about motors electrical characteristics...
Forum: Motors & their mountings Fri 26 February 2010, 06:22
Replies: 47
Views: 26,980
Posted By sprayhead
thanks ken, I have another question, I...

thanks ken,

I have another question,

I have only a 56VDC power supply. Can I alter the amperage feed to the motor instead of the voltage to find a "perfect balance" between performance and...
Forum: Motors & their mountings Fri 26 February 2010, 05:13
Replies: 47
Views: 26,980
Posted By sprayhead
Same holding torque but different number of leads...

hi,

Suppose we have 2 motors with the same specs, but one has 6 wires and the other has 8.

Would there be a difference in torque between the two motors when running them half-coil? Will both of...
Forum: Construction started, but not cutting yet Tue 23 February 2010, 13:50
Replies: 56
Views: 15,452
Posted By sprayhead
nicely done. This .dxf is up to date.

nicely done. This .dxf is up to date.
Forum: Construction started, but not cutting yet Tue 23 February 2010, 05:40
Replies: 56
Views: 15,452
Posted By sprayhead
I have worked with the developers to try and get...

I have worked with the developers to try and get the .dxf export up to the standard of autodesk. That is quite weird though. Perhaps the version you are using is pre-last update on the .dxf writer....
Forum: Construction started, but not cutting yet Mon 22 February 2010, 14:02
Replies: 56
Views: 15,452
Posted By sprayhead
forgot to say this... you have to scale the .dxf...

forgot to say this... you have to scale the .dxf exports from boardcad. Do a scale command with a factor of 1000, be it in rhino, autocad, cut2d... suppose you will want to nest the stringers.
...
Forum: Construction started, but not cutting yet Sun 21 February 2010, 04:39
Replies: 56
Views: 15,452
Posted By sprayhead
Yeah, boardcad is not ready for toolpaths yet....

Yeah, boardcad is not ready for toolpaths yet. Another year or so it will probably take for it to be reliable. we'll see...

f.
Forum: Construction started, but not cutting yet Thu 18 February 2010, 06:08
Replies: 56
Views: 15,452
Posted By sprayhead
www.boardcad.org let me know how you go. ...

www.boardcad.org

let me know how you go.

What you want to do is... design your board and export the profile as dxf polyline.

Also you can use your 11 points coordinates. Just put the...
Forum: Construction started, but not cutting yet Wed 17 February 2010, 04:54
Replies: 56
Views: 15,452
Posted By sprayhead
Hi reidcd What do you want to do with the...

Hi reidcd

What do you want to do with the curves that pass through the 11 points that you have? what's that for? stringer? I can give you some help if it is... Using autoCAD works, but not the...
Forum: 70. Control Systems Sat 23 January 2010, 22:54
Replies: 333
Views: 100,496
Posted By sprayhead
Guys, I did see that someone wrote about reed...

Guys, I did see that someone wrote about reed switches, and that they weren't the best option for the MM.

What was the reason again? :confused:

I suppose that for homing and limiting purposes...
Forum: 70. Control Systems Thu 21 January 2010, 04:27
Replies: 333
Views: 100,496
Posted By sprayhead
Sean, That's great news! thank you. 3mm is...

Sean,

That's great news! thank you. 3mm is such a small gap, these things are very sensitive.

I'm starting to like very much these proximity sensors :D

Just one more question...
(an...
Forum: 70. Control Systems Thu 21 January 2010, 00:25
Replies: 333
Views: 100,496
Posted By sprayhead
Thanks all for the responses Indeed using...

Thanks all for the responses

Indeed using the actual wheel as the contact point will probably drive the operator off his chops.

Perhaps using a brass brush as a rail scrapers and using that as...
Forum: 70. Control Systems Wed 20 January 2010, 05:25
Replies: 333
Views: 100,496
Posted By sprayhead
Just a new idea: Safety "switch" by using only the V-wheels and rails.

I had a crazy idea and would like to throw it out there.

Imagine if we could electrically isolate each V-Wheel from the gantry.
Imagine if we put a wire on the wheel (on it's holding screw) and...
Forum: Troubleshooting Sun 17 January 2010, 04:07
Replies: 25
Views: 6,638
Posted By sprayhead
Irfan, are your switches good quality? Have...

Irfan, are your switches good quality?

Have you tried to use a different switch?
Forum: Cutting various materials - bit selection, feeds, speeds Fri 15 January 2010, 01:59
Replies: 70
Views: 20,245
Posted By sprayhead
Extra long slot drill

I'd like to ask for a bit of help from the experts in regards to this extra long slot drill from Sutton tools, Australia.

I want to use it to cut a 96mm thick, glued slab of 3x 32mm MRMDF sheets....
Forum: 702. Power Supplies Thu 14 January 2010, 04:10
Replies: 42
Views: 14,394
Posted By sprayhead
Hi Greg Yes I have checked the inductance and...

Hi Greg
Yes I have checked the inductance and applied the formula (sqrt of inductance * 32 = max. power supply voltage.)



Hi Ken
I did see all that evidence but I was a bit "scared" as I...
Showing results 1 to 25 of 114

 
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