Electronics Forum: sqweegee pressure controler (Page 1 of 16)

Solder paste jetting vs time pressure dispensing

Electronics Forum | Mon Jun 19 12:42:16 EDT 2023 | daniel_stanphill

The my700 can dispense 1 million dots per hour. It's not an exaggeration either. It literally never stops moving, and is dispensing without contacting the board. It uses the same type of mathematical calculations that a plane dropping a bomb uses in

What pressure is recommended to clean AMT boards after reflow

Electronics Forum | Fri Sep 07 15:19:42 EDT 2001 | davef

Watt tiepoo? [Cereally, you can usually fix typos after you post by using the P yellow �edit� button that shows when you are looking at your posting.] We�re had people on SMTnet that were washing their boards with a brush attached to the end of a ga

Solder paste height and metal squeegees

Electronics Forum | Fri Apr 20 16:05:17 EDT 2001 | gcs

We always reduce side to side, EXAMPLE: 12 mil width reduced to .010". Do you guys check viscosity ? Also maybe your guys are appling to much pressure on the sqweegee blades.

Positive Pressure Facility

Electronics Forum | Wed Apr 13 21:04:39 EDT 2005 | pdeuel

We have a controlled pressure facility. When the pressure is set at 0.2 lbs above outside our security doors that open outward do not close by themselvs causing alarms. Our facility remains dusty under and on equipment because of conditions listed on

manual stencil print 2 passes

Electronics Forum | Tue Dec 23 15:06:25 EST 2008 | evtimov

It depends how manual is the printer. you need to control pressure and speed. If you control both by hand, it is difficult to discuss results. If the pressure is controlled by the printer, than you should be able to do it by one deposit. Also is the

Cracked Capacitors - Analysis

Electronics Forum | Sun May 26 02:06:39 EDT 2019 | jlawson

Placement force can cause chip cracking-micro cracks also. As machines are getting faster they tend to not control force other than spring pressures and z displacements. There are some machines that have full closed loop place pressure control , but

Positive Pressure Facility

Electronics Forum | Wed Apr 06 21:30:16 EDT 2005 | KEN

You might consider actrive pressure control. Without it you may find it hard to open the doors. Especially, with the smaller Asian ladies.

Baking components at 70 degree

Electronics Forum | Tue Jun 17 20:59:07 EDT 2008 | fowlerchang

And we have evaluated this process before 2001. And it is widely used in our company world wide. And we don't control the rate of the drop in pressure, because it is same as 125 degree at normal pressure condition.

Component ( Connector ) drop during secondary reflow

Electronics Forum | Thu Dec 06 09:39:33 EST 2018 | emeto

If you go this route vibration will not be your focus. there is something that is called pressure inside an oven. Some ovens have separate parameter to control that. Other will have the blower speed control. You should decrease the pressure(your conv

Types of ProFlow

Electronics Forum | Fri Feb 14 02:48:55 EST 2003 | erhard

Can anyone give me informations how tell the different ProFlow systems from each other? There are casetty systems, refillable systems, refillable systems with temperature control, casette systems with software controlled pressure regulation and refil

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