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Messages 6420 - 6449 of 19813   Oldest  |  < Older  |  Newer >  |  Newest
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6420
What got me thinking here, (new experience!) is that in this case if they change a tool halfway through the file and the motors have reduced torque due to...
Belli Button
iambelli2
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Sep 1, 2005
7:21 am
6421
Motor current is restored nearly instantly. Assume a 5mH motor coil, a 50VDC power supply voltage and a 5A per phase current set: Current will be restored at a...
Mariss Freimanis
mariss92705
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Sep 1, 2005
2:11 pm
6422
Mariss, I would then assume that a reasonable acceleration scheme ( straight-line or S curve) will bring the motion to a prescribed feed rate. As long as that ...
Dhiren Shah
linkmo420
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Sep 1, 2005
2:28 pm
6423
Dhiren, The electrical time constant is about two orders of magnitude less than the mechanical time constant meaning phase current restoration time after...
Mariss Freimanis
mariss92705
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Sep 1, 2005
3:48 pm
6424
Hello, Another question concerning heatsinking 202's, you specify that a heatsink is not required for less than 6A, is this 6A continuous or assuming that some...
Belli Button
iambelli2
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Sep 1, 2005
7:05 pm
6425
Please always use a heatsink if you can. At 6A the case temperature reaches 75C or 167F and is the max rated temperature for the drive. This is something I'm...
Mariss Freimanis
mariss92705
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Sep 1, 2005
7:21 pm
6426
Mariss At one stage you were developing a brushless drive IIRC. Is this on hold? I'm currently looking for something to drive some Mitsubishi servos. Also...
Wayne Weedon
wayne_weedon
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Sep 1, 2005
8:08 pm
6427
I have a brushless prototype but haven't done anything with it for about 3 years. I was not happy with the 3-4 encoder count "tick" it had every 60 mechanical...
Mariss Freimanis
mariss92705
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Sep 1, 2005
8:42 pm
6428
In message <df7p3v+plgc@eGroups.com>, Mariss Freimanis <mariss92705@...> writes ... I'll keep looking. Have been looking at Elmo Drives. Seems the...
Wayne Weedon
wayne_weedon
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Sep 1, 2005
9:10 pm
6429
Hello, Are the 202's protected against unplugging the motor while powered up? Greg ... From: "Mariss Freimanis" <mariss92705@...> To:...
Belli Button
iambelli2
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Sep 2, 2005
8:13 am
6430
Well, I've waited patiently until the announced Sept 1 release date. How can one place an order for a G101+G102 so that we can get on with our R&D development...
Ted Inoue
tedinoue
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Sep 2, 2005
11:30 am
6431
Greg, I believe that is the case. That is why I am going to start using them. Bob Campbell Bob@... www.campbelldesigns.com Breakout board THC...
Robert Campbell
colin0334
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Sep 2, 2005
11:48 am
6432
... Me too....
eman5oh
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Sep 2, 2005
12:14 pm
6433
It probably will survive (I regularly do that myself) but no claim is made in the manual that it will. Mariss ... up? ... less ... perhaps my ... new...
Mariss Freimanis
mariss92705
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Sep 2, 2005
1:55 pm
6434
The G101s are available now. The G102s and manual are available Tuesday (Monday is a holiday). You can order them by emailing sales@... Mariss...
Mariss Freimanis
mariss92705
Offline Send Email
Sep 2, 2005
1:58 pm
6435
what is the price again for these components. EZ ... Tuesday ... date. ... with...
jjmefoam
Offline Send Email
Sep 2, 2005
5:28 pm
6436
G101: $208 single quantity G102: $135 single quantity. Mariss ... on...
Mariss Freimanis
mariss92705
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Sep 2, 2005
6:25 pm
6437
Hello, Is it possible that with the drive at a high temperature that it could miss steps? I know that the frequency response of the logic is inversely ...
Belli Button
iambelli2
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Sep 2, 2005
7:35 pm
6438
Unlikely in the extreme. The device AC specifications for a given Vcc are specified at the maximum rated temperature. More likely was some bad connection...
Mariss Freimanis
mariss92705
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Sep 2, 2005
8:15 pm
6439
Mariss, You posted a circuit on the CCED list a while ago that allows the use of an analog encoder with sinusoidal output to be converted to a TTL level...
protman16
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Sep 2, 2005
9:50 pm
6440
I have in the past built a 4 axis foam cutter with hobbycnc board. So I have a little experience in doing this stuff. My intensions are to build a 5 axis...
jjmefoam
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Sep 3, 2005
12:04 am
6441
Hello Mariss, What is the latest on the stand alone (PLC like) operation? I've got a few applications that require simple, repetitive motion control. Like a...
Lance Hopper
snagglexr650
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Sep 3, 2005
3:44 am
6442
The G101 and G102 are stand-ins for the G100. The G100 is a G101 plus a G102. I really hate model numbers particularly when most people don't know what they...
Mariss Freimanis
mariss92705
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Sep 3, 2005
5:07 am
6443
... Mariss, What current percentage of sales are to hobbiests and squirrels as opposed to OEM's? I would think that non-OEM's (like me) would prefer the G100....
vrsculptor
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Sep 3, 2005
5:26 am
6444
Thanks for the info Mariss, Does the G100 and G101 come with a Rabbit microprocessor? I assume it is integral to the G-Rex's operation, but at some point it ...
Lance Hopper
snagglexr650
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Sep 3, 2005
12:30 pm
6445
... I was thinking that as well. As a DIY with machining and CNC background, having a ready made device that's ready to be wired in easily is high on the list....
David Gabrielsen
cimdave1
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Sep 3, 2005
1:48 pm
6446
ok, now I'm a bit confused by terminology. You refer to the G101/102 then also to the G-101 G-Rex. As I understand it, the G101 is used as a smart step...
Ted Inoue
tedinoue
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Sep 3, 2005
3:40 pm
6447
The G101 ships without a Rabbit MCU core module. The reason is presently there are 5 Rabbit Semiconductor modules that fit the G101; the RCM3600, RCM3610,...
Mariss Freimanis
mariss92705
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Sep 3, 2005
6:19 pm
6448
Ted I understand your confusion. If your statement 'All require the addition of stepper power drivers that accept step/ direction control and power supply,...
Eric Quarnstrom
ericq47
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Sep 3, 2005
6:29 pm
6449
Sort of correct. The 'G-Rex' is the stripped down G101 available now and the soon available G100. Both are identical except the G100 will have terminal blocks...
Mariss Freimanis
mariss92705
Offline Send Email
Sep 3, 2005
6:30 pm
Messages 6420 - 6449 of 19813   Oldest  |  < Older  |  Newer >  |  Newest
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