Re: [CAD_CAM_EDM_DRO] Oriental Motors

On Sat, 26 Apr 2003 11:30:11 -0700, you wrote:

>Hi,
>
>I tried the URL, but couldn't do a search in English for the gearheads.
>In Japanese, seemed like one could. Any hints? I'd like to look up my
>2GK7.5KA gearheads.

I suspect that the ratio you have is 7.5 to 1, but that's all I can
guess. Mine is a 2GK18KA, which I suspect to be 18 to 1. Could be
wrong, though.

Harvey

>
>Alan KM6VV
>
>
>> Here's the url for oriental motors: www.orientalmotor.co.jp
>> They have the specs on the drives and the gears. I found out that
>> the one that the Shopbot uses the PN 7.2 reduction gear ratio and
>> the rack and pinions are Boston Gear pinions (20pitch;14.5deg
>> pressure angle).
>>
>> I am finding out a bunch from the folks here and I am grateful. I am
>> pricing building a machine from very good parts, i.e. ball screws, to
>> not so good, rack and pinion. I think I will stick with stepper
>> motors though. I have read that the NEMA 42 and under are better
>> values for the money than servos. Over NEMA 42, go with servos.
>
>
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