Electronics Forum: regular (Page 36 of 59)

Typical SMT Machine changeover times?

Electronics Forum | Sat Mar 25 07:25:36 EST 2006 | smartasp

Hi There To answer your question 1 minute at the best. We are using 2 Opal XII and have the optional feeder exchange trolleys, which enables us to setup feeders off line and just exchange the trolleys onto the machines. The changeover can be done i

Lead free contamination at reflow

Electronics Forum | Thu May 18 08:12:22 EDT 2006 | marc

smt You should have no issue using your exsisting oven for both leaded and lead free materials if the machine is capable of delivering the desired profiles. One aspect that makes a "lead free" oven is the design of the system. Ability to reach th

Flex board pallet

Electronics Forum | Thu Jul 27 12:20:33 EDT 2006 | David

Hello all, We have customer who wants to produce boards 0.4 mm thick. But they have not allowed to put into the panel. Board has not regular shape so without pallet it is not possible to produce. I made pallet where is pocket the same shape as boar

cost analysis: Manual vs. Auto insertion pick and place

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

O-Ring

Electronics Forum | Thu Aug 24 08:49:20 EDT 2006 | nodlac

Hi Jerry- The belt splice kit we used were made by Eagle Belting Company (Now Fenner). You are correct in the splice process...one other thing we did was trim the extra "roll Back" or flash of melted material. I prefer the Mini or regular but splic

PCB Assy Cleaning

Electronics Forum | Thu Oct 05 12:14:15 EDT 2006 | Mario Scalzo, SMT CPE

Good afternoon! We have had great luck with semi-aqueous cleaners from Kyzen and Zestron, and normally recommend both of them. They both have great labs and would gladly offer their input on he cleaning of the flux residue. We make sure that these

Look what I found - is this stencil printer a known product?

Electronics Forum | Mon Oct 23 12:58:28 EDT 2006 | grizzy

"Surface Mount Techniques has approximately 98 > percent of the world market share of large Panel > Stencil Printers". > > It sounds a little bit > strange to me, especially since I work for one of > the companys listed in their advertisement an

RoHS Board Delamination

Electronics Forum | Thu Nov 16 11:45:15 EST 2006 | markb

I still think the best bet is probably an SMT pre-bake operation to ensure that there is no moisture in the board. Vapor pressure is usually the leading cause for delamination, so removing the source should significantly help out. Unfortuantely, pr

Tooling and Stencil Design

Electronics Forum | Sat Dec 16 13:18:47 EST 2006 | Ola

Why not? If You think it has a bussiness case so go for it. We are currently using a firm that has 24h delivery time if neccesary (we need to order before 9'clock in the morning)and we once in a while use this for some prototypes. Their regular shipm

Solder paste shifted from pad

Electronics Forum | Fri Mar 16 23:38:36 EDT 2007 | mika

I don't understand so please explain in more detail. You say ~0.3mm shifted. In what direction is the paste shifted? is it shifted the very same directions on all panels? Only on this product or even with regular pcb:s? What is the size of the panel


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