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July 2008

TGAsia@IPC.ORG

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Subject:
From:
NG ENG GUAN <[log in to unmask]>
Reply To:
Asia Committe Task Group Forum <[log in to unmask]>, NG ENG GUAN <[log in to unmask]>
Date:
Mon, 7 Jul 2008 12:03:36 +0800
Content-Type:
text/plain
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text/plain (1 lines)
那是因為你的十字糟的裂縫剛好能讓錫流入但不能流出。就因為螺絲本身不粘錫,所以

被困在內的錫,才會形成錫珠狀。 我建議你在過錫爐時,用一種隔錫膠片把它給貼

上。



-----Original Message-----

From: TGAsia [mailto:[log in to unmask]] On Behalf Of 周利文

Sent: 07 July 2008 11:33

To: [log in to unmask]

Subject: [TGA] 答复: [TGA]答复:_[TGA]_请教一个问题







非常感谢!

我们目前用的就是镀锌的螺丝,螺丝本身是不粘锡,但会在十字槽内有锡珠?





绝望中寻找希望,人生终将辉煌!

★★★★★★★★★★★★★★★★★★★★★★★★

制造处工程部/MF

Tel:0755-27599666 3909

Fax:0755-27572730

Mailto:[log in to unmask]

Eaton Group-Phoenixtec Power Co., Ltd.

★★★★★★★★★★★★★★★★★★★★★★★★





-----邮件原件-----

发件人: 岳会昌 [mailto:[log in to unmask]]

发送时间: 2008年7月5日 20:45

收件人: Asia Committe Task Group Forum; 周利文

主题: Re: [TGA]答复:_[TGA]_请教一个问题



周利文,您好!



        一般的镀锌的螺钉是不会上锡的,检查下螺钉的表面处理质量试试看。或者尝

试更换成不锈钢螺钉,不过成本有所增加:)



======= 2008-07-05 13:09:50 您在来信中写道:=======



>

>

>方法是从技术上看是可行.

>但如果我今天产量是10000台,每块PCB板上要锁4个螺丝.

>我岂不是要专门安排人员来堵螺丝.

>不知在螺丝的制造上是否可以相办法?

>

>

>

>绝望中寻找希望,人生终将辉煌!

>★★★★★★★★★★★★★★★★★★★★★★★★

>制造处工程部/MF

>Tel:0755-27599666 3909

>Fax:0755-27572730

>Mailto:[log in to unmask]

>Eaton Group-Phoenixtec Power Co., Ltd.

>★★★★★★★★★★★★★★★★★★★★★★★★

>

>

>-----邮件原件-----

>发件人: NG ENG GUAN [mailto:[log in to unmask]]

>发送时间: 2008年7月5日 12:19

>收件人: 'Asia Committe Task Group Forum'; 周利文

>主题: RE: [TGA] 请教一个问题

>

>把十字槽堵塞起來不就行了嗎?

>

>

>

>From: TGAsia [mailto:[log in to unmask]] On Behalf Of 周利文

>Sent: 04 July 2008 17:34

>To: [log in to unmask]

>Subject: [TGA] 请教一个问题

>

>

>

>

>

>Dear all:

>

>

>

>

>     目前我公司螺丝过波峰时在十字槽内易出现锡球。如图所示,不知各位有何良

策?

>

>     请多多指教。

>

>

>

>

>

>绝望中寻找希望,人生终将辉煌!

>

>★★★★★★★★★★★★★★★★★★★★★★★★

>

>制造处工程部/MF

>

>Tel:0755-27599666 3909

>

>Fax:0755-27572730

>

>Mailto:[log in to unmask]

>

>Eaton Group-Phoenixtec Power Co., Ltd.

>

>★★★★★★★★★★★★★★★★★★★★★★★★

>

>

>

>

>

>No virus found in this incoming message.

>Checked by AVG - http://www.avg.com

>Version: 8.0.138 / Virus Database: 270.4.5/1535 - Release Date:

>2008-7-4 17:03



= = = = = = = = = = = = = = = = = = = =





        致

礼!





        岳会昌

        [log in to unmask]

          2008-07-05





No virus found in this incoming message.

Checked by AVG - http://www.avg.com 

Version: 8.0.138 / Virus Database: 270.4.5/1537 - Release Date: 2008-7-6

5:26


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