agree. you need to know what you repair device maximum temp allowable
limit. especially, high end of micro processor and memory. ramp rate
also need to be considered if it is GaAs chip.
my 1.5 cents.
jk
> Our soldering iron temps are set according to the manufacturer's
> specifications. If we cannot rework a board according to their
> recommendations it unfortunately becomes an unusable product.
>
> Leland
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Deng RongJun
> Sent: Friday, October 23, 2015 5:04 AM
> To: [log in to unmask]
> Subject: Re: [TN] Soldering temperature setting
>
>
>
> Thanks for your information.
>
> I was told that the soldering temperature should be Liquidus temperature
> plus 40 degree, is this defined in IPC?
>
>
> Best regards
> RongJun Deng
>
>
> From: Ramon Essers | ETECH-trainingen [mailto:[log in to unmask]]
> Sent: Friday, October 23, 2015 3:05 PM
> To: TechNet E-Mail Forum <[log in to unmask]>; Deng RongJun
> <[log in to unmask]>
> Subject: Re: [TN] Soldering temperature setting
>
> Hello RonJun,
>
> Please take a look at the IPC 7711 & 7721 procedure.
> The start temp is always 315 and this should be changed if necessary
> depending on your PCB etc.
>
> Met vriendelijke groet, Kind regards, Mit freundlichen Grüβen,
>
> Ramon Essers
> managing Director, ETECH - trainingen
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> Op 23 okt. 2015, om 06:28 heeft Deng RongJun
> <[log in to unmask]<mailto:[log in to unmask]>> het volgende
> geschreven:
>
> Hi Technetters
>
> Is there an IPC specification regarding the temperature setting of hand
> soldering?
>
>
> Best Regards
> RongJun Deng
>
>
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