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31-12-2023 #1
I want to move a camera, a really small frame camera from Alixpress these are phone camera's adapted to work via USB
Could I use a 1204 ballscrew and a single Hiwin style rail to do this?
Has anyone made a single rail CNC before?
I get for almost all applications they would be useless, except this one
I just want a CNC motor controlled camera slide on the cheap that I will program myself in Python
Technically it's a 2 axis machine I'm building as I have another Nema on rotation everything is positional tracking
I would have gone closed loop but that's beyond my python skills, home switches will have to do.http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm
If you didn't buy it from China the company you bought it from did ;)
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31-12-2023 #2
Hi-Win style carriage blocks come in different stiffnesses. Gary at Zapp used to do a range but I don't know where you would go now he's shut down. Have you tried running your camera on a cheapy? Are you sure this is a problem?
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31-12-2023 #3
Several 3D printers do this, such as the Cetus Mk1 and the Bambu A1 https://uk.store.bambulab.com/products/a1-mini. I have a Cetus myself and the performance (accuracy) is pretty good.
This method is probably ok for a camera or 3D printer but I doubt you'll see it on any machine tool. If you go for a Hiwin or similar quality linear rail, I suspect your approach would be fine.
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31-12-2023 #4
Main thing is the carriage pre-load. Your probably want medium or high pre-load to eliminate any wobble. Low pre-load (or just cheap rails in general) will likely develop play quite quickly.
Avoiding the rubbish customer service from AluminiumWarehouse since July '13.
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01-01-2024 #5
The screw will be vertical otherwise I would belt drive it, I think that would be easier to make work in a tight package, ballscrew + rail(s) takes quite a bit of space obviously
I'd use cheap Chinese clone rails, it's just a camera it will never see any real torque in it's lifehttp://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm
If you didn't buy it from China the company you bought it from did ;)
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01-01-2024 #6http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm
If you didn't buy it from China the company you bought it from did ;)
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01-01-2024 #7http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm
If you didn't buy it from China the company you bought it from did ;)
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01-01-2024 #8
OK
https://www.aliexpress.com/item/1005006394416452.html
Could I buy the kit and a longer belt, then 2040 profile 800mm and make a longer one
I want about 70cm of camera travel if I can
not sure if that's Nema 14 or 17 but it doesn't matter both will have enough torque and can be driven by an A4988http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm
If you didn't buy it from China the company you bought it from did ;)
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07-02-2024 #9
Do you have access to a 3D printer? As what you stating is basically buying it for the motor, controller and mounting sections. A motor controller you can get that will work with either an Arduino or Raspberry pi. Motors are cheap these days and the mounting brackets can easily be designed in a simple CAD program. You might be able to find this on printables.com, Cults3D, or such. While you will have to do the building and assembly yourself, you will know very well all the parts and what could go wrong.
Just an option, not meaning any judgement. Best of Luck.Software SolidWorks 2024, Onshape, Aspire v9.5, Blender
CNC Machine: http://www.mycncuk.com/threads/3661-...Second-machine
3D printers both FDM/FFD and MSLA resin
CSWA &CSWA-AM certified
www.marino-customs.com
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08-02-2024 #10
Use a single supported round rail with two bearing units joined with a plate to form a carriage, a ball race on one side of the carriage unit can run on the support extrusion, a sprung ball race on the other side eliminates slack without jamming, the support extrusion is structural on its own and can be used as the base to mount the rest of your hardware.
You think that's too expensive? You're not a Model Engineer are you? :D
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