TECHNET Archives

January 1997

TechNet@IPC.ORG
Options: Use Monospaced Font
Show Text Part by Default
Condense Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Mime-Version:
1.0
Content-Type:
text/plain; charset=US-ASCII; name="temp"
Old-Return-Path:
<[log in to unmask]>
Date:
Fri, 10 Jan 97 08:10:20 +0100
Precedence:
list
Resent-From:
[log in to unmask]
Resent-Sender:
TechNet-request [log in to unmask]
Content-Transfer-Encoding:
7bit
Status:
O
X-Mailing-List:
<[log in to unmask]> archive/latest/9105
TO:
[log in to unmask]
Return-Path:
<TechNet-request>
X-Status:
X-Loop:
[log in to unmask]
From [log in to unmask] Fri Jan 10 08:
31:10 1997
Received:
by ipc.org (Smail3.1.28.1 #2) id m0vib0b-0000QBC; Fri, 10 Jan 97 01:04 CST
Resent-Message-ID:
<"C1p-F3.0.PGI.edUro"@ipc>
Subject:
temp profile
From:
[log in to unmask]
Cc:
[log in to unmask]
X-Openmail-Hops:
1
In-Reply-To:
<0450532D5450E0A9@MHS>
Message-Id:
<H000048500adfc43@MHS>
Parts/Attachments:
temp (33 lines) 
> Can anyone help?
> We are using kester 951 low residue flux in a dual  wave solder
process for 
> mixed technology.
>  What would you recommend for a temperature profile and what solder
temp. is 
> recommended for this product.
> we have been experiencing skips or no solders on the SMT components.
> Any help would be greatly appreciated.

Hi there,
i would recommend a solder temp. at 245C +-5C and a pcb temp at 120C.
Our dwell time is about 4secs for mixed technology pcb.
The design is important if you're soldering SMT on the primary side.

What kind of SMT components are you experiencing skips and no solder?


Jan Merstrand
WaveSoldering Technician

***************************************************************************
* TechNet mail list is provided as a service by IPC using SmartList v3.05 *
***************************************************************************
* To unsubscribe from this list at any time, send a message to:           *
* [log in to unmask] with <subject: unsubscribe> and no text.        *
***************************************************************************
* If you are having a problem with the IPC TechNet forum please contact   *
* Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask]      *
***************************************************************************

ATOM RSS1 RSS2