Electronics Forum: component height tolerance smt placement (Page 1 of 3)

Placement tolerance

Electronics Forum | Mon Mar 29 15:15:17 EST 1999 | twinston

Does anyone know of a contract manufacturing house that can guarantee smt component placement and can verify placement of +/-.015? Thanks in advance

Re: Placement tolerance

Electronics Forum | Mon Mar 29 15:16:30 EST 1999 | twinston

| Does anyone know of a contract manufacturing house that can guarantee smt component placement and can verify placement of +/-.0015? | | Thanks in advance |

Re: Placement tolerance

Electronics Forum | Mon Mar 29 15:39:47 EST 1999 | Stefan Witte

| Does anyone know of a contract manufacturing house that can guarantee smt component placement and can verify placement of +/-.015? | | Thanks in advance | There may be several contract manufacturing houses with .015 capability and automatic opt

Re: Placement tolerance

Electronics Forum | Tue Mar 30 22:43:36 EST 1999 | dean

| Does anyone know of a contract manufacturing house that can guarantee smt component placement and can verify placement of +/-.015? | | Thanks in advance | Question: mm, inches, or mils? I can do it. However, what is your reliability level? 9

Re: missing component after placement

Electronics Forum | Thu Jan 27 10:22:21 EST 2000 | JAX

Dennis, Not sure why your so secrative about what machine but I guess it doesn't matter. When you start placing 0402 & 0603 packages the difference between height and width and length gets lost in tolerance. This allows the machine to pass parts t

Re: automatic placement of pin through hole component

Electronics Forum | Wed Feb 09 09:54:50 EST 2000 | JAX

Trying to place PTH components with an SMT machine is possible but maybe not plausible. Would you have to buy specialized tools and equipment for the job ( gripper nozzles ). Are the machines you have capable. i.e.. Would you need camera modification

Reflowed Component Placement Tolerance

Electronics Forum | Wed Oct 15 12:32:19 EDT 2003 | Gregg

We are looking at a design that has an smt led emiter and a corresponding smt detector. After reviewing the tolerance stackup, we need a reflowed placement accuracy of +/-0.25mm(+/-0.010") for each component. Any thoughts/opinions?

SMT mechanical locating components?

Electronics Forum | Fri Sep 02 16:22:37 EDT 2011 | ttaubert

Are there SMT mechanical components like that could be used for orientating PCB-level optics on the board and do not require holes in the board? Their final position would solely depend on the reflow. A height of 1/8" would be sufficient. I was con

Can local fiducials improve BGA placement?

Electronics Forum | Thu Jun 07 07:11:41 EDT 2001 | stefwitt

8" ). For calculation of the theta angle, the global fiducials should be placed over the diagonal. Component recognition can be improved if your vision system has different light zones. The steep light should be turned off and the flat light turned

Re: QP2 vs GSM

Electronics Forum | Wed Jun 10 17:30:44 EDT 1998 | FAC

When creating part data�s for BGA or QFP style components, the line scan camera will be utilized (Camera No. 4). Using a Single nozzle type placing head, a nozzle capable of sufficient vacuum, and front lighting the part can achieve placement of a 74

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