CAD CAM EDM DRO - Yahoo Group Archive

RE: [CAD_CAM_EDM_DRO] Heatsinks for Gecko's

Posted by Tim Goldstein
on 2001-10-01 23:03:01 UTC
Dan,

Can you give us the cost of the heat sink? Sounds like it is a nice solution
to a vexing problem. Any chance you have a picture?

Tim
[Denver, CO]

> -----Original Message-----
>
> In many applications the Gecko drives with the provided heatsink
> mounting base is sufficient as is. . However, when more heat dissipation
> is required larger heatsinks are required.
> I have looked at the various options for using heatsinks on the Gecko
> G201A/G210 and the G320/G340. Some people are using small fans on the
> bottom of the GXXX but I looked at this and figured it was more trouble
> than is was worth. I also had needed to mount 4 G210A of a common
> heatsink and figured out a way. I was setting the current for 5A per
> phase so I definitely need a heatsink and a fan. I finally found one but
> I needed to modify it. It is 4.625X10.1L and 1.2”H
> I used my cnc mill to drill the 16 holes that are tapped for 4-40 screws
> and then turned it over and milled the fins for relief. I mounted 4
> G210’s on them and mounted this in my G201/G210 case with a fan. The
> heatsink in mounted upside down so that the fins are facing the bottom
> of the case so some loss in dissipating the heat would be encountered
> however with the fan and the airflow over the heatsink I noted that
> with my 36VDC power supply that the heatsink temperature only rose 10F
> over ambient temperature with all 4 motors running where they would draw
> max current.
> I liked the way it work so well that I decided to make a batch of them.
> If interested in them send me some email offline.
> Dan
>
>
> [Non-text portions of this message have been removed]
>
>
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Discussion Thread

Dan Mauch 2001-10-01 10:14:51 UTC Heatsinks for Gecko's Randy Gordon-Gilmore 2001-10-01 11:15:59 UTC Re: [CAD_CAM_EDM_DRO] Heatsinks for Gecko's Tim Goldstein 2001-10-01 23:03:01 UTC RE: [CAD_CAM_EDM_DRO] Heatsinks for Gecko's Tim 2001-10-02 10:27:25 UTC RE: [CAD_CAM_EDM_DRO] Heatsinks for Gecko's