Re: [CAD_CAM_EDM_DRO] Re: Jeff's mill drill Timing pulley milling cutter

Wally,
go to www.sdp-si.com and request a complete set of catalogs, it'll keep
you busy for a week or so..kinda like porn for machinery junkies ;)


erie

cnc_4_me wrote:

>Well i would order belts from local bearing house, do not know of any
>discount house.
>
>I would really only want to use PowerGrip GT2. I looked around for a
>few hours earlier for specs and could only find a sketch of various
>belt shapes for comparison with no dimensions.
>
>I think I found the patent here, but no dimensions.
>
>http://www.freepatentsonline.com/4403979.html?highlight=powergrip
>
>Any ideas were to find them…
>
>Wally
>
>
>
>
>--- In CAD_CAM_EDM_DRO@yahoogroups.com, "turbulatordude"
><dave_mucha@y...> wrote:
>
>
>>--- In CAD_CAM_EDM_DRO@yahoogroups.com, "cnc_4_me" <cnc4me@g...>
>>wrote:
>>
>>
>>>>I sent a request to a custome milling cutter grinder guy to see
>>>>
>>>>
>>how
>>
>>
>>>>much it would cost to get a milling cutter to make a belt
>>>>
>>>>
>>grouve.
>>
>>
>>>>then it would be a matter of just turning the OD and milling
>>>>
>>>>
>the
>
>
>>>>slots.
>>>>
>>>>
>>>>
>>>
>>>I am very interested in your findings, I was thinking of doing
>>>
>>>
>the
>
>
>>>same thing.
>>>
>>>The information I gathered on pulleys is the only two to consider
>>>
>>>
>>are
>>
>>
>>>HTD and power grip GT2. Of these types GT2 has almost 2x the hp
>>>rating for same size belt. And GT2 has much less backlash. If
>>>
>>>
>you
>
>
>>>want HTD for some reason then you would make the trough in the
>>>pulley .004" higher than spec to reduce backlash (per gates).
>>>
>>>I have not gotten to the point of finding the exact specs and
>>>dimensions for the cutter for these pulleys and do not know if
>>>
>>>
>they
>
>
>>>are published….Also if this gets figured out maybe we could split
>>>
>>>
>>the
>>
>>
>>>cost if more than 1 cutter cost less money…
>>>
>>>Wally
>>>
>>>
>>From my phone call, the guy said that make at least 3 units. I
>>would expect $100 for 3 from the one guy I spoke to. I know there
>>are others as well.
>>
>>When I was looking at getting pcb cutters, I was been quotes $50.00
>>for the first one, three for about $75
>>
>>I'd be more than happy to get a few and split the costs between
>>
>>
>those
>
>
>>who wanted to get one.
>>
>>Do you have a source for belts ? I think that would be the first
>>step to agree on. I would go for more power as my first choice,
>>
>>
>but
>
>
>>have only looked at trapezoid so far.
>>
>>I'm sure I can get the specs so that would not be a problem.
>>
>>Dave
>>
>>
>
>
>
>
>
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