Electronics Forum | Fri Aug 04 16:11:59 EDT 2006 | chrisgriffin
Hell Doc, This is an easy one. But first I must disagree with the wave master. I have done extensive refurb. jobs on Soltec and Vectra. The only thing Soltec has on Vectra is a better solder pot, and even that is close. Vectra software is many, m
Electronics Forum | Fri Aug 04 13:47:20 EDT 2006 | pemea1
apples to apples. 20 boards 80 parts top and 10 parts bottom. these boards are done on a semi regular basis (you know the boards are coming to you from an OEM at least three times a month, just no exact schedule). All that is required is pasting..mo
Electronics Forum | Fri Aug 04 15:46:08 EDT 2006 | Chunks
Two reasons company B is asking $40 instead of $15-$20; 1. The set-up of their placement equipment takes time, thus the extra labor. Parts may be hard to get or what they norm keep in stock, plus storage of parts. 2. They know they can get awa
Electronics Forum | Wed Aug 09 08:06:07 EDT 2006 | davef
See "IPC-4554 Specification for Immersion Tin Plating for Printed Circuit Boards" 3.2.1 Immersion Tin Thickness. The most common reason for solderability issues with the white tin surface coating during multiple thermal excursions is a thin white ti
Electronics Forum | Wed Aug 09 19:14:15 EDT 2006 | Board House
Our Manufacturing policy regarding welds is as follows. 1) Inner layers - depends on Core thickness and line width. Our shop will not do any welding on core thickness less then 5 mils. or line width less then 5 mil. Good AOI practices reduce the a
Electronics Forum | Wed Aug 09 08:46:48 EDT 2006 | pavel_murtishev
Good afternoon, Take my word, bent THT leads will surely cause problems with manual/automatic component insertion, and surely will create voids in solder joints. As a rule, PIH components are placed by hand and good PIH THT manual component placemen
Electronics Forum | Fri Aug 11 14:48:00 EDT 2006 | flipit
Hi, I live in Minneapolis,MN USA. I was watching the news last night and began to laugh. There was a news story on the benefits of silver in fighting infection and healing. I know first hand that silver fights bacteria. I set myself on fire worki
Electronics Forum | Tue Aug 15 20:41:54 EDT 2006 | davef
Alpha UP78 was a modern solder paste. Check with your supplier for recommendations. You're are cleaning some flux residue with the IPA and reducing the leakage current. We're not wild about using IPA. Problems with IPA are: * IPA / material being
Electronics Forum | Sat Aug 12 20:47:50 EDT 2006 | Efren
Hi Guys, A few months ago I posted a question about a New Assembly Line, and It was great the answers I received. Now I would like to have an additional advise, to complete the requirements of my financial. We expect to install approximately 6 Pick
Electronics Forum | Thu Aug 17 23:24:34 EDT 2006 | guest
I suggest you do the ff prior the machines arrival at your site. - Get all the dimensions of purchased machines from their catalogue. - Lay out / draw their footprints in the manufacturing floor. - Drop down air and power supply. Unpacking, level