We just bought the SRT Summit 750. The main reason was the vision alignment,
site scavenger for cleaning pads and the force nozzle that senses when the
part is reflowed for automatic removal of the component minimizing operator
decisions and pad-trace lifting. Will let you know how it works. We
evaluated the APE, ERSA and Metcal systems.
Dave Chapman
Manufacturing Engineer
Circuit Service Inc.
-----Original Message-----
From: Guy Ramsey [mailto:[log in to unmask]]
Sent: Wednesday, January 08, 2003 6:40 AM
To: [log in to unmask]
Subject: Re: [TN] Rework Station
I didn't see anyone that has had expeperience with the APE Sniper or
WideBody. They are both very good machines. Easy to learn and very
forgiving convection heat delivery system.
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Black, Paul
> Sent: Tuesday, January 07, 2003 2:40 PM
> To: [log in to unmask]
> Subject: Re: [TN] Rework Station
>
>
> Yannick,
>
> I recently went through the same evaluation, looking at the
> Ersa IR550, Metcal BGA-3591, Conceptronics Freedom 3000 and
> Teradyne (SRT) Summit 750. I chose the Ersa (although the
> Teradyne was very close). The unit is just starting to be
> used on BGA's and so far it looks to be as good as promised.
> This is the evaluation I wrote for the unit:
>
> Ersa IR550A
> This is the chosen unit. It took longer to get the
> opportunity to evaluate this product because it is new, and
> there are no local installations yet. They needed to bring a
> unit here to demo. This unit uses a different technology than
> the others. While the other units rely on hot air to heat the
> BGA, the Ersa utilizes IR technology. The IR applies the heat
> more uniformly and directly to the part, and will not affect
> adjacent parts nearly as much. The bottom side heater is
> programmable, another advantage of the IR process. Because of
> this, we can lower the heat enough to avoid melting some of
> our more sensitive components, (an issue we experienced with
> the others), while still providing enough heat to prevent
> board warpage. This unit is also able to perform the removal/
> replacement operations without the use of nozzles, unlike
> their competitors, and places components with an actual pick
> and place head. We were able to remove a 144 pin SMT
> connector that the others either could not have done, or
> would have required a custom nozzle. Also, without nozzles,
> they are able to set the camera so that the operators can
> actually observe the outer BGA balls reflowing, which the
> others cannot do well because the nozzles obstruct the view.
> This camera setup may allow us to use it to inspect BGA balls
> for solder quality. Finally, the IR process appears to be
> better suited to Lead-free soldering than the hot air models,
> and we will have to head down that path eventually. Product
> support would be provided by either the regional manager out
> of Newton or one of the two reps, both of whom are local.
> Each of them keeps a demo system that could be used if ours
> needs to be sent out. The warranty is for one year on parts
> and labor. They do not offer maintenance contracts.
>
> If you want info on the other units that I reviewed, I could
> send you an attachment to your personal email address.
>
> Paul Black
>
>
>
> -----Original Message-----
> From: Yannick Brisson [mailto:[log in to unmask]]
> Sent: Tuesday, January 07, 2003 1:26 PM
> To: [log in to unmask]
> Subject: [TN] Rework Station
>
>
> Hello,
>
> My compagny is in the process to buy a rework Station, we
> look around to find something good. We have choose 3 reworks
> IR550 from Ersa, BGA-3591 from Metcal and DSR24 from Air-Vac.
> From my point of view I think the Ersa is the better
> choice.I would lke to have our idea on it. If someone have
> work with one of these machine I would like to discuss with
> out about the station.
>
> Thanks You
>
> Yannick Brisson
> =====================
> Technicien Ingénierie de Production
> Technician Production Engineering
>
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