Electronics Forum: center (Page 1 of 131)

Putting a center board support on lead free wave

Electronics Forum | Thu Apr 15 10:58:16 EDT 2004 | mwg9184

I am trying to put a center support on a wave solder machine for lead free soldering. My problem is that every metal I use is interacting with the lead-free metals and thus eating away the center support. I have tried titanium, stainless steel. I am

PCB: center of mass - moment of inertia

Electronics Forum | Wed Nov 17 14:58:04 EST 2010 | otipicni

Hi everybody. I need to calculate the moment of inertia of a pcb (with its components) and also its center of mass. The pcb is not manufactured yet. Before that I need to verify those properties. How could I do? The pcb will weight around 50 g. Shou

Putting a center board support on lead free wave

Electronics Forum | Thu Apr 15 12:40:22 EDT 2004 | Claude_Couture

How about graphite coated wires or bar? If there are such things

Reps wanted for Eastern US for training center

Electronics Forum | Tue Jan 20 20:12:05 EST 1998 | Mario Lapointe

SMT-ASSY is a training center located in Montreal, Canada. We are currently looking for representation in these area: Maine, New Hamphire, Vermont, up to Connecticut. SMT-ASSY offers many different training programs for though hole and surface moun

Reps wanted for Eastern US for training center

Electronics Forum | Tue Jan 20 20:09:33 EST 1998 | Mario Lapointe

SMT-ASSY is a training center located in Montreal, Canada. We are currently looking for representation in these area: Maine, New Hamphire, Vermont, up to Connecticut. SMT-ASSY offers many different training programs for though hole and surface moun

Putting a center board support on lead free wave

Electronics Forum | Thu Apr 15 11:13:24 EDT 2004 | pjc

Sn corrosion effects were studied for stainless steels, coated stainless steels, titanium, cast iron, and other materials. This study can be found in the SMT Library under "Equipment Impacts of Lead-Free Soldering" Electrovert uses a Melonite coating

Putting a center board support on lead free wave

Electronics Forum | Thu Apr 15 20:55:36 EDT 2004 | Ken

Try: Tungsten, tungsten carbide, ceramics like boron-nitride or how about pyrex glass? Glass blowers could make "hooks" that connect to a cross bar. I would NOT use aluminum (even if anodized). Try stainless steel 316. 303, 304 do not have enough

Putting a center board support on lead free wave

Electronics Forum | Thu Apr 15 11:56:42 EDT 2004 | patrickbruneel

I would try a PTFE (Teflon) wire or Teflon protected wire or you could try anodized aluminum. Its getting more and more interesting how the lead free era develops. Just a thought I wander how long its going to take the tin (not passivated with lead)

MyData DPak not placing

Electronics Forum | Mon Jul 29 13:34:28 EDT 2013 | dontfeedphils

Usually the reason it will fail a part like that when you are using mechanical centering is because the part is usually picked so off center because of the body shape. So when the centering jaws close to push the part to center they give up and fail

0402

Electronics Forum | Tue Jun 07 15:00:10 EDT 2005 | glenda

what about spacing between pads center to center on 0402.

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