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 Igus built sliders for timelapse? 
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Joined: Tue Mar 02, 2010 8:17 am
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Post Igus built sliders for timelapse?
Has anyone tried adding a motor to any of the igus slide tables found here: http://www.igus.com/slide_tables.asp

Or tried using an Igus Drylin W rail and carriage with some kind of small motor system?

I'm trying to built a rig that has a really small foot print for timelapse at weddings. I currently have the Igus Drylin W rail and carriage that is 5ft long, but I don't have the slightest on how to motorize this bad boy. Are there any "beginner" topics somewhere for a small compact rig?

Thanks!


Tue Mar 02, 2010 9:15 am
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Post Re: Igus built sliders for timelapse?
If you look at page 29 of their catalog, located here: http://igus.bdol.com/pdf/drylindrive.pdf you'll note that they have motor mounts for NEMA17, 23, and 34 motors. It also shows how one would look mounted on the same page. Looks like they use a coupler to attach that rotary knob, then you just need the appropriate coupler to mate between the existing shaft end and your motor's shaft. (Removing the manual knob, of course, but you can always use a dual-shaft motor, and attach a knob to the end of the motor for manual adjustment when the motor is powered off.) You'll need to measure the motor you buy's shaft size to determine what coupler you need.

I don't know if they sell couplers, but one great source for inexpensive couplers (even offering threaded couplers for ACME threads, if their lead-screw has threads all the way to the end) is http://dumpstercnc.com


If you'd like to talk about how to drive the motors, etc. I'd be happy to cover that topic with you - but it's a lot more in-depth than how to add a motor, so let's start there =)

!c


Tue Mar 02, 2010 9:36 am

Joined: Tue Mar 02, 2010 8:17 am
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Post Re: Igus built sliders for timelapse?
Thank you for the quick reply! Is there a "beginners" thread for how to drive the motor for tracking type shots? If not, I could start one so guys like me can actually understand what the heck is going on around the message board :)


Tue Mar 02, 2010 9:56 am
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Post Re: Igus built sliders for timelapse?
natxbrotha wrote:
Thank you for the quick reply! Is there a "beginners" thread for how to drive the motor for tracking type shots? If not, I could start one so guys like me can actually understand what the heck is going on around the message board :)



Heh, well, "beginners" can mean a lot. I have an opensource engine that can be used, with a simple (meaning implementation-wise, not ease-of-use-wise =) computer-based interface that can be used as part of a learning exercise while you get the basics down (OpenMoco), but it would largely require a good deal of learning on your part at this stage - from electronics to software, etc. As, you know, it's an opensource project still in development. I'd be more than happy to work with you while you learn, and help guide.

Of course, it also requires following the openmoco implementation details, which means using stepper motors, and shoot-move-shoot style shooting. If you'd prefer continuous motion, and the cheapest possible implementations, there are better guides out there. Mind you, I don't know of many regular DC gear motors that come in NEMA frame sizes, but I'm sure they're out there. (If not more expensive than most would like.) If you're looking to use a normal DC motor to do continuous (speed-control only) motion, you may have to fab up a custom mount for that.

Either way, if you're just looking to get going as cheaply and quickly as possible w/ a continuous-motion system, go into the sub-forum for Dollies, and you'll see lots of examples and parts, etc. in there. If you want to get into a stepper-based system, and shoot-move-shoot, can check out http://openmoco.org If you want a stepper-based system, but don't want to deal with the learning curve of DIY electronics and software, then I think geraldft is offering a commercial solution, that may be ready to run (not sure where his status is on that), with the trade-off that it's closed-source, afaik. His thread is a few below this one.

!c


Tue Mar 02, 2010 10:14 am
Post Re: Igus built sliders for timelapse?
If you get the price on one of those assemblies let us know! Something tells me your going to be a little shocked... ;)


Tue Mar 02, 2010 3:14 pm
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Post Re: Igus built sliders for timelapse?
Quote:
If you get the price on one of those assemblies let us know! Something tells me your going to be a little shocked...


I'm guessing over $1K for those belt assemblies. I bought an Igus slider and 1 meter rail for about $240 shipped. The belts or screws and endcaps are probably pricey.

I did rig my slider up with a CamBLOCK unit using a timing belt and realized that those sliders like the center of gravity directly over the middle, or they get little hiccups as they slide. Putting the CamBLOCK on the end totally knocked my balance and stability off, which made using one tripod tricky (and that was the whole point of the slider.)

I'll probably order a six foot rail one of these days, to be used with two tripods. The rails are pretty heavy compared to a ladder or track, but having the sliding carriage already mounted and ready to go, I've found that quick set up (and storage) makes slider deployment easier than other dolly methods.

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Tue Mar 02, 2010 4:02 pm
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Post Re: Igus built sliders for timelapse?
I have talked to them before about the Drylin ZLW and it was a little pricey for around $400 for a 5ft section (if I recall correctly). Just as Steven said, the sliders are awesome for being so compact, easy to setup, and such a small foot print for storage and travel. I have built dollies before and I don't enjoy all of the stuff you have to lug around.

I already have a 5ft Drylin W rail and carriage that I would love to implement into a timelapse slider, but I just don't have the know how to make it work with a motor the easiest way possible. Moco seems like quite the learning curve! I'm really just looking for something that I flip a switch to give it power, it goes, and I flip the switch to turn it off. That would wet my appetite enough to maybe want more and actually want to learn Moco! If it's a constant motor that goes extremely slow, that's ok for getting me started out. I just need to know what motor to get, how to power the motor, and how to make the motor go super slow. A 3 hour time lapse on a 5ft rail would probably be ok for now.

So, with that being said, any easy solutions out there for me?


Tue Mar 02, 2010 7:26 pm
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Post Re: Igus built sliders for timelapse?
Hey Guys,

Have actually been meaning to do quick intro post in the forum, been following all the exciting openmoco and other news.

I have been shooting video and photos for years, and about 5 professionally, but a few months ago accidentally opened up this can of worms called motion capture when i came across a blog post on arduino, stepper motors and sliders...

long story short, for my first (very rough) project, I programmed a stepper motor to control my camera on my 3-foot Igus slider... I have been meaning to put a blog post together about it but for now have only uploaded my two quick test shots...

http://vimeo.com/9829186

gonna add a camera trigger on the arduino this week and am heading up to Alaska in a week for a 3-week trip so hoping to give the thing a real test drive...


Tue Mar 16, 2010 6:24 pm
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Post Re: Igus built sliders for timelapse?
After 35 years of shooting, I've become interested in timelapse photography and have spent a bit of time looking into equipment and such. I'm thinking that the PClix intervalometer should do the job for the timelapse portion but I'd also like to buy a Glidetrack slider and a stepping motor to give the videos a more dynamic look. A stationary, locked-down camera just doesn't melt my butter, frankly.

However, I'm finding it very difficult to find a small stepping motor that will move the camera (a Canon 7D or a T1i) from one end of a 1 meter slider to the other, particularly one that won't move the camera during exposures.

Am I asking too much or is there such an animal out there?

TIA

Lawrence Standifer Stevens


Thu Jul 08, 2010 9:05 pm
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Post Re: Igus built sliders for timelapse?
Tanguero wrote:
However, I'm finding it very difficult to find a small stepping motor that will move the camera (a Canon 7D or a T1i) from one end of a 1 meter slider to the other, particularly one that won't move the camera during exposures.


I guess you are really talking about a program to run the motor?

Steppers of all sizes are capable of constant movement ('go-motion') or move-stop-move ('stop-motion').
The motor's precision is also helped by the number of steps/degrees per cycle (eg. 1.8 degrees) assigned to each motor.

Have a look at the Mumford and OpenMoco threads on : http://timescapes.org/phpBB3/viewforum.php?f=24 for some ideas.


Fri Jul 09, 2010 5:23 pm
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Post Re: Igus built sliders for timelapse?
natxbrotha wrote:
Has anyone tried adding a motor to any of the igus slide tables found here: http://www.igus.com/slide_tables.asp

Or tried using an Igus Drylin W rail and carriage with some kind of small motor system?

I'm trying to built a rig that has a really small foot print for timelapse at weddings. I currently have the Igus Drylin W rail and carriage that is 5ft long, but I don't have the slightest on how to motorize this bad boy. Are there any "beginner" topics somewhere for a small compact rig?

Thanks!

After a week or two of intensive research, the IGUS/ZAZA seems expensive and unsmooth. Skate bearings and an ultra smooth track would be zero friction and could even be "gravity slid" for real time moves. I will try and complete mine and get it moving in three ways. 1. By hand. 2. With a pulley and weights 3. With a simple non controlled battery operated motor.

I will post all my build photos and actual footage with all details. I will do so because I believe the whole $$$$ linear bearing design is a waste of people's hard earned money. Very few of the ideas will be my own, so I will not be taking credit for much in the end.


Tue Jan 11, 2011 10:23 am
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Post Re: Igus built sliders for timelapse?
Here is my system !
based on servocity stuff as for my big ladder dolly ;)

Igus one :


Ladder one :

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Tue Jan 11, 2011 11:52 am
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Post Re: Igus built sliders for timelapse?
bziegler wrote:
Here is my system !
based on servocity stuff as for my big ladder dolly ;)

Your my hero. This is exactly the beautiful realtime motion I am preaching about. Do you have more details online I can view when I get home tonight? Would you be willing to help me get me dolly moving with a simple motor and tension against a line?


Tue Jan 11, 2011 12:21 pm
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Post Re: Igus built sliders for timelapse?
bziegler wrote:
Here is my system !
based on servocity stuff as for my big ladder dolly ;)


What is the RPM of your DC motor?

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Tue Jan 11, 2011 12:37 pm
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Post Re: Igus built sliders for timelapse?
Mczx wrote:
bziegler wrote:
Here is my system !
based on servocity stuff as for my big ladder dolly ;)

Your my hero. This is exactly the beautiful realtime motion I am preaching about. Do you have more details online I can view when I get home tonight? Would you be willing to help me get me dolly moving with a simple motor and tension against a line?


Sure I'll do that tomorrow ! 22h00 here.

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Tue Jan 11, 2011 12:48 pm
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Post Re: Igus built sliders for timelapse?
unozig wrote:
bziegler wrote:
Here is my system !
based on servocity stuff as for my big ladder dolly ;)


What is the RPM of your DC motor?


Many !
1rpm, 6, 20, 51, 101, 303.
So I can do timelapses and real time video ;)

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Tue Jan 11, 2011 12:51 pm
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Post Re: Igus built sliders for timelapse?
bziegler wrote:
unozig wrote:
bziegler wrote:
Here is my system !
based on servocity stuff as for my big ladder dolly ;)


What is the RPM of your DC motor?


Many !
1rpm, 6, 20, 51, 101, 303.
So I can do timelapses and real time video ;)

Cant wait to learn more, start with the basics like how to get the right battery, motor and paarts just to get a dolly moving slowly say maybe 7-10 seconds a foot.


Tue Jan 11, 2011 1:39 pm
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Post Re: Igus built sliders for timelapse?
here is what you need :


unozig did a list and has a self explanatory image

unozig wrote:


Image

Of course you have to buy motor has your needs !
they are all there : http://www.servocity.com/html/3-12v_gear_motors.html

You need a 12V battery. Easy to find.
And a pulley : http://www.tractorsupply.com/home-impro ... er-1185293

have fun ;)

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Wed Jan 12, 2011 8:45 am
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Post Re: Igus built sliders for timelapse?
bziegler wrote:
here is what you need :


unozig did a list and has a self explanatory image

unozig wrote:


Image

Of course you have to buy motor has your needs !
they are all there : http://www.servocity.com/html/3-12v_gear_motors.html

You need a 12V battery. Easy to find.
And a pulley : http://www.tractorsupply.com/home-impro ... er-1185293

have fun ;)

Thanks, do you think 5 rpm would give me about the speed of a slider moving by hand, slow slide shot?


Wed Jan 12, 2011 9:19 am
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Post Re: Igus built sliders for timelapse?
nope i'll go faster !
like 303 or 200 !

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Wed Jan 12, 2011 9:45 am
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Post Re: Igus built sliders for timelapse?
bziegler wrote:
nope i'll go faster !
like 303 or 200 !

Ok so look for a 12 or 9 v dc motor rated about 250rpm? 300 max?
Just as a wild idea...what about the motor from a cheap generic remote control car? I mean like $15 cheap.


Wed Jan 12, 2011 10:05 am
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Post Re: Igus built sliders for timelapse?
Mczx wrote:
bziegler wrote:
nope i'll go faster !
like 303 or 200 !

Ok so look for a 12 or 9 v dc motor rated about 250rpm? 300 max?
Just as a wild idea...what about the motor from a cheap generic remote control car? I mean like $15 cheap.


They Will run closer to 2000tr/min !

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Wed Jan 12, 2011 10:51 am
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