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| Date: | Thu, 12 Aug 2010 17:33:55 +0000 |
| Content-Type: | text/plain |
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The coating is good if the recommended PM procedures are followed.
The people that maintain the lead-free systems are told that they can no longer use spatulas to scrape the solder pot and implellars clean. They are supposed to use horse hair brushes to prevent damaging the coating.
----- Original Message -----
From: Rex Waygood <[log in to unmask]>
To: [log in to unmask]
Sent: Fri, 06 Aug 2010 14:26:48 -0000 (UTC)
Subject: Re: [TN] Wave Corrosion
Ti = Fit & Forget
That is the replacement!
:-)
Rex
Sent by me
On 6 Aug 2010, at 14:13, "[log in to unmask]" wrote:
>
> Hi Rex - it appears that the Melonite coating was compromised. I know that Ti is more expensive but it has been shown to handle the degradation by molten tin much better. Something to consider.
>
> Dave Hillman
> Rockwell Collins
> [log in to unmask]
>
>
> Rex Waygood
> Sent by: TechNet
> 08/06/2010 06:47 AM
>
> Please respond to
> TechNet E-Mail Forum ; Please respond to
> Rex Waygood
>
> To
> [log in to unmask]
> cc
> Subject
> Re: [TN] Wave Corrosion
>
>
>
>
>
> I forgot to say the impeller was a retrofit on the machine.
> Rex
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Rex Waygood
> Sent: 06 August 2010 12:14
> To: [log in to unmask]
> Subject: Re: [TN] Wave Corrosion
>
> Ummm
> The website crashed just after I put the images up, obviously the site
> didn't like my pictures either.
> As far as I know the surface treatment used is Melonite QPQ.
> Regards
> Rex
>
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Steve Gregory
> Sent: 06 August 2010 12:09
> To: [log in to unmask]
> Subject: Re: [TN] Wave Corrosion
>
> Hi Rex!
>
> Your link appears to be broken. I would have liked to seen the photos.
> Was the machine brand new or was it retrofitted to be lead free
> compatible? Do you know what the impeller was made of? Or was it coated
> to protect it from high tin content solder?
>
> Steve
>
>
>
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