Electronics Forum: positions (Page 1 of 177)

Panasonic CM Nozzle shifts LED's positions

Electronics Forum | Mon May 16 22:19:33 EDT 2022 | cbeneat

Excellent point!

Panasonic CM Nozzle shifts LED's positions

Electronics Forum | Mon Apr 18 11:45:04 EDT 2022 | dontfeedphils

If you're 100% certain you have the correct nozzle for this package you could check to see if your PnP machine has an option for "Auto Adjust Pickup Position" or something along those lines and try changing it (if it's currently on, try turning it of

Panasonic CM Nozzle shifts LED's positions

Electronics Forum | Sun Apr 17 00:04:03 EDT 2022 | klauss

I am mounting 3535 Cree High-power leds with p&p machine. First nozzle picks up the led normally and then it's placed good but after 4-5 times nozzle picks up the led like at an angle. looks like it holds the led from the side edge of the dome.

Panasonic CM Nozzle shifts LED's positions

Electronics Forum | Mon Apr 18 12:05:22 EDT 2022 | proceng1

Is it the CREE with the soft dome? We had to get specially made nozzles for our SAMSUNG machines to pick up cree LEDs correctly. They are basically rubber tipped. We bought from Count on Tools website.

Panasonic CM Nozzle shifts LED's positions

Electronics Forum | Fri May 13 19:48:28 EDT 2022 | cbeneat

Not completely. We end up increasing the blow off/vacuum break air pressure. The only issue with that is if we go too high, and a small part is close to the light it will blow it out of position. So on occasion there is a balancing act we have to do.

Panasonic CM Nozzle shifts LED's positions

Electronics Forum | Mon Apr 18 19:58:22 EDT 2022 | cbeneat

I had the same question. We have custom nozzles made by Count on Tools. I believe we found urethane works the best for the silicon domed LEDs. Have you slowed the feed rate down on the feeder? Also adjust the top tape to the back slot on the feeder.

Panasonic CM Nozzle shifts LED's positions

Electronics Forum | Fri May 13 22:16:16 EDT 2022 | alex22

Indeed, stickiness of LED dome varies from batch to batch. We didn't have much success with adjusting pick&mount settings. Also, usage of other nozzle (recommendation from SMT manufacturer) didn't help. Usually, we have a good experience with similar

Panasonic CM Nozzle shifts LED's positions

Electronics Forum | Fri May 13 22:24:47 EDT 2022 | glasscake

Try adding blow after mount before head up if your machine lets you. Make sure your placing the part into the solder paste as that will add some holding force as well. If your tips are spring loaded you can do some 0.5mm additional mounting height.

Panasonic CM Nozzle shifts LED's positions

Electronics Forum | Mon May 16 17:47:53 EDT 2022 | proceng1

Also, be sure that the board support is good. If you have any area of the board with less support, and it bounces a little when placing the LED, it may seem like it's randomly not placing correctly, and so any Z-depth or blow-off tweaking you do wil

Panasonic CM Nozzle shifts LED's positions

Electronics Forum | Thu Jun 16 03:35:46 EDT 2022 | leaderway0

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