[chbot] Another parts problem :(

Andy Gardner ceo at andygardner.com
Wed Feb 4 11:01:27 GMT 2015


http://www.amazon.com/560-8M-20-profile-timing-Length-Number/dp/B00A9ZN896

or

http://nz.rs-online.com/web/p/timing-belts/4750579/


On 4/02/2015, at 10:59 PM, Robin Gilks wrote:

> Greetings all
> 
> And so the saga of the walnut washer continues. Last Monday, 121kg of
> galvanised steel arrived - 24m of 40x40 2mm wall, 16m of 40x40 3mm wall
> and 8m of 25x25 2.5mm wall square tube. I managed to scrounge up half a
> metre of 50x50 to fit inside the brush, mount the axle and fit the drawer
> bar coupling from a local company.
> 
> With the addition of an old trailer axle, it now looks like this.
>   http://gilks.ath.cx/gallery/index.php/Nuts/IMG_3459
> 
> Three things left to do
> * mount the controller in such a way as it can be easily removed to keep
> out of the weather
> * install the plywood base and pond liner for the 'sump' that supplies
> the washing water
> * build the drive for the drum.
> 
> Its the last item I need ideas on how to reduce cost.
> 
> I've already determined that the way to go is to use a toothed belt
> 'in-side-out' on the drum so it becomes a large cog, being driven via
> toothed belt from a cog on the motor shaft. Adding the bits up I'm not
> going to get much change out of $500 for the 2 belts and the cog if I buy
> new from somewhere like i-trans.
> 
> Does anyone know where I can get the same sorts of bit second hand (i.e.
> cheaper) - the cog will require adapting for the correct fit onto the
> motor anyway and the drum is 560mm diameter - longer than most car belts
> as far as I know.
> 
> So - where do I get a couple of long belts?
> 
> tings usually 3rd Monday each month. See http://kiwibots.org for venue, directions and dates.
> When replying, please edit your Subject line to reflect new subjects.




More information about the Chchrobotics mailing list