Re: [CAD_CAM_EDM_DRO] Re: Reduction by 10

On Fri Oct 17 12:12:56 2003 Torsten wrote:

>--- In CAD_CAM_EDM_DRO@yahoogroups.com, ccq@x wrote:
>> On timing belt setups, does a reduction of 10 requier a 5" wheel
>driven by a 2"
>> wheel, or would it be 5":2":1"?
>>
>> Bill
>
>On Timing Belts the ratios are determined by the tooth count.
>You have to decide on a belt type first they differentiate
>in pitch and size a 30 tooth "L" type would have a larger
>diameter then a "XL" type of the same tooth count.
>A combination of a 15 tooth and a 30 tooth will give a 1:2 ratio,
>10 tooth and a 30 tooth will give 1:3 ratio and so on.
>The key to choosing the right Tooth count is in the smaller
>Pulley a minimum tooth count is required for smooth operation
>more teeth are better.
>The larger Pulley is determined by the choosen ratio the dia.
>of this Pulley will have to be looked up in the MFG specs.
>Good Luck

Now I get it; Ok, thanks.

Bill


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