Electronics Forum: free (Page 341 of 543)

NXT head H04 placing problem

Electronics Forum | Wed Jan 23 20:01:20 EST 2019 | padawanlinuxero

Hello Sounds to me that the problem might be with vaccum and lot of it, after the component is place theres a small amount of air that pushes the component away from the nozzle in MYDATA we call it a kiss in my facility, have you check that the air

NXT head H04 placing problem

Electronics Forum | Wed Jan 30 00:56:00 EST 2019 | kiransahu

Sounds to me that the issue may be with vacuum and part of it, after the segment is put there's a little measure of air that pushes the segment far from the spout in MYDATA we consider it a kiss in my office, have you watch that the air that "puffs"

SMD Top Marking

Electronics Forum | Wed Feb 20 12:40:37 EST 2019 | peramanfcs

Hi, Greetings!!! Iam a service engineer working as a free lancer. Currently iam working on a PCB where i need to replace a SMD component, i think its a transistor but iam not sure as i dont have the original schematic. I have the image with device

3D-Printed Masking Boots For Conformal Coating

Electronics Forum | Wed Mar 13 11:34:35 EDT 2019 | clockwatcher

We use Solidworks but any 3D modeling software that outputs an .stl file will work. I use Tinkercad for my home projects. This software shouldn't even be mentioned in the same breath as Solidworks but it is free, and you can create some good designs

SMT component temperature spec

Electronics Forum | Mon Mar 04 17:47:44 EST 2019 | slthomas

The lowest peak temp. I've had the pleasure of working with is 240°C +/- 5°C. I can't imagine a manufacturer going much below that and still saying it's lead-free compatible. It would be interesting to know just how much TAL plays into the affect

Uneven Wave Solder Contact Patch

Electronics Forum | Fri Jun 07 04:57:53 EDT 2019 | gregoryyork

Its more than likely the conveyor is slightly out and needs dropping. You do have a fairly significant contact though so are you sure the Solder pot isnt running too cool for Lead free, needs to be around 275C for good wicking and flow or 250C if lea

Profiling for Pb-free HASL

Electronics Forum | Thu Jun 06 14:59:47 EDT 2019 | cristian_amlima

Awhile back I faced a few problems because of that. To solve the problem, my only concern was about the peak temperature to assure that the alloy got melted. Peak temperature between 230°C and 235°C can assure that and usually is inside the sodler pa

Bad business practice and disrespect to SMTnet

Electronics Forum | Thu May 30 18:30:21 EDT 2019 | slthomas

Dave, if you single out "Simplematic" under used SMT equipment you get one where it looks like someone pasted an image of their product (with their URL, http://www.amikon.cn) on top of the actual paid advertiser's image. I didn't see amikon under the

Nitrogen levels for lead-free reflow

Electronics Forum | Wed Jun 12 04:20:33 EDT 2019 | SMTA-Pat

Hello All, I would appreciate if anyone could offer some information on the following question. Does anyone have experience changing a reflow environment from high nitrogen concentration (1,000 PPM) to 20,000 PPM or even higher. Were any problems s

Quad QSP-2 noisy belt

Electronics Forum | Mon Jul 08 11:26:04 EDT 2019 | daniel_marquette

Swaping Y amps from a correctly working QSP-2 to this QSP-2 did not change anything: belts still vibrate. However, belts are in good shape, tension has been adjusted and bearings are turning free without play. Will try to swap Y motors from a corre


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