Re: Stepper motor pullies

--- In CAD_CAM_EDM_DRO@y..., "Ian W. Wright" <Ian@i...> wrote:

> Hi John,
>
> This was what I found when I made the pulleys for my little
>contraption -
> except that I was using 2.5mm. At this size a 2mm drill seems
>right. I
> wasn't bright enough to ask for technical details like you so I
>bought one
> pulley of each size and knocked the pressed-on flange off. Then I
>sorted
> throught the drills till I found one that fitted the slot neatly,
>put one in
> a slot on each side of the pulley and miked across them - subtract
>the dia
> of one drill and hey-presto - the right PCD. Miked up the OD and
>drilled 'em
> on the ordinary drill press and rotary table (centre drill first
>pass). I
> got the first pulleys from HPC gears at Dronfield - I assume you
>tried
> them??
>
> Best wishes,
> Ian
> --

Yes Ian,
I have the book here but I only use them in very dire emergencies.
Rip off merchants. Their book says on every page "Never knowingly
undersold" ---------Bullshit.--------
Their 5M x 22 is listed at £8.43 plus postage. RS, who also aren't
cheap sell the same item for £4.24 and free postage.
I can get 2 pullies and a belt for what they want for one pulley,
delivered.
If you have the HPC book have a look at their budget range of racks,
They are dearer than the precision range !!!!!!!!
I've even rung them up and told them about prices but they just shrug
it off.
I'd love to keep sales in the UK but when they won't even talk to you
what can you do.? All our machine gears and racks are bought in from
Italy. Only buy about 2 1/2 to 3K's worth a year but it's still lost
sales.

John S.