[chbot] 50-70mm diameter disks

[Spencer Travers]

If a centre hole is acceptable then you could use a hole saw. I have had
good results cutting ABS. I used a good quality arbor and saw with 3
cutting teeth, not the ones with serrations.

Spencer
On 27 Nov 2014 14:34, "Winston Wealleans" <winstonhw at clear.net.nz> wrote:

> At 01:46 p.m. 27/11/2014, you wrote:
>
>> I am looking for disks about 50-70mm dia, 5-15mm thick, and about 100
>> of them...  I need a notch and 2 holes in them too, but that's easily
>> taken care of.
>>
>> The straightforward option would be to slice up a 50mm dia wooden pole
>> or dowel, but plastic would be better because of the lower weight.
>> Perhaps something like a tooth wheel from a mechanical toy set. The
>> teeth on the disk would not be a problem.
>>
>> Getting it laser cut is likely not cheap enough, and solid plastic
>> probably weighs more than pine too.
>>
>
> Give Carl Pavletich  at 21 388 245 a call.
> http://www.fablabxchc.org.nz/welcome/
> they have a big nice new laser cutter that will handle MDF, cardboard,
> fabrics and all sorts of plastics
>
> Stress that you are a tinkerer and Robotics Group member.
>
>
>  Has anyone come across something suitable that might be put to use with
>> a bit of drilling and hacksawing?
>>
>> Thanks muchly,
>>
>> Volker
>>
>
>
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