[Swansea Hackspace] Bits for 3D printing

[Ceri Clatworthy]

You need acceleration. ..run deceleration
Curves...well straight. Not round

There should be code out there in arduino land.
On 3 Aug 2015 19:24, "Tim Moore" <timmoore47 at gmail.com> wrote:

> Silly question using 3D technology:-
>
> I've got a Stepper motor which chuggs round in 1.8 degree steps and I need
> it to go through 180 degrees in approx 40 seconds....
>
> but the rub is its needs to be smooth, and it does an instant step.
>
> Any thoughts on a motor that can drive a 1/4 inch aka 6mm spindle smoothly
> under precise speed control ?
>
> Its currently attached to an Arduino UNO.
>
> Many thanks to anyone whose got any thoughts on this....  is a learning
> curve for me.....
>
> :  )))
>
> Tim_1
>
> On 1 July 2015 at 09:49, Emyr Morris <em at preseli.com> wrote:
>
>> love Swansea Fasteners... their heavy duty cable ties held the Pontardawe
>> Festival together for five years ;-)
>>
>> On 1 July 2015 at 09:41, Gerrit Niezen <gerrit.niezen at gmail.com> wrote:
>>
>>> In terms of finding UK and local suppliers to buy them:
>>>
>>> LM8UU linear bearings on M8 (8mm) smooth rod
>>>
>>>
>>> I get my linear bearings and smooth rods from
>>> http://www.technobotsonline.com/
>>>
>>> pulleys and axel bearings are typically 608ZZ (8MM) or 623ZZ (3mm)
>>> roller bearings.
>>>
>>>
>>> 608ZZ bearings can be bought from a skateboard shop.
>>>
>>> Other components:
>>> - If you need shaft couplers, http://ooznest.co.uk/ has some.
>>> - If you need threaded rod, B&Q may be able to help.
>>> - For screws and nuts, don’t waste your time going to Screwfix - Swansea
>>> Fasteners and Engineering Supplies have M3 bolts and screws of all types:
>>> http://www.swanseafasteners.co.uk/
>>>
>>> _______________________________________________
>>> Hackspace mailing list
>>> Hackspace at swansea.hackspace.org.uk
>>> http://swansea.hackspace.org.uk/mailman/listinfo/hackspace
>>>
>>>
>>
>>
>> --
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>>
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>> gyfrinachol ac at ddefnydd yr unigolyn neu'r corff y cyfeiriwyd hwy atynt
>> yn unig.
>>
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>>
>>
>
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>
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