Electronics Forum: placing magnets (Page 1 of 5)

Having issues placing 0603 components on my used Juki 740...

Electronics Forum | Mon Jul 11 11:05:53 EDT 2016 | bradholland

thanks for the replies so far. So far I have been relying on the board clamp on the machine that closes when the pwb is loaded. I have also been doing these tests with double sided tape on the pwb so i can clean them off easier afterwards. I have

LED Stick To Cover Tape

Electronics Forum | Wed Jul 07 10:17:33 EDT 2010 | flipit

We have this problem only with one manufacturer of LEDs. Avago LEDs give us the problems where SunLED and KingBright do not. We put a magnet under the embossed cover tape. The magnet is mounted to the feeder. Holds the part in the tape pocket. L

large smt inductors moving in the reflow oven

Electronics Forum | Mon Feb 22 10:01:01 EST 2010 | jtsyeung

Since the inductor is electro-magnetic, that means the device is composite of coil and ferrite metal. The inductor inside the reflow oven meets with blower motors which close to the inductor and generate magnetic field. With such conditions, Lawren

LED Pick up Issues during Feeder Feeding

Electronics Forum | Fri Apr 05 11:36:48 EDT 2013 | denisp

we use panasonic mv2vb feeder q type and we place a little piece of magnet under the reel and it help a lot

Gel Flex Support

Electronics Forum | Fri Nov 04 13:00:24 EST 2005 | pjc

Some clarification: Max bottom side component is not 5mm as someone posted, its 12.7mm (0.5"). This is if you're going to have a Gel-Flex block under that component. Any component height at or over 12.7mm must not have a Gel-Flex block under it. Al

PCB Supports

Electronics Forum | Wed Jun 02 09:21:10 EDT 2004 | James

They take the place of the tooling pins. They magnetically attach to the table. Board comes in, table raises, Red-E-Set supports the board, prints, done. You just have to do the initial setup before running. We bought 4 units for each machine. J

Magnets in the bottom of CP6 feeders ?

Electronics Forum | Tue Dec 05 09:09:38 EST 2006 | sigmasmt

These feeders come from an old OEM plant. They had a in house system they put together so the machine will not run until you had the correct feeder in place. Once the feeder was scanned and put into the feeder slot, the magnet would help recognize t

chip placed upside down

Electronics Forum | Tue Jun 10 23:06:28 EDT 2014 | demzvill

In our assumption also, nozzle is magnetized because the chip termination is made up of alloy so possibilty that when there is excessive contact between two metals there magnetic field produce, so during z up chip is magnetize on the nozzle causing i

MPM SPM Supplies

Electronics Forum | Thu Feb 22 11:33:24 EST 2007 | sliebl

We recently added an SPM printer to our SMT department and I need to buy some tooling pins and center supports. Other than MPM, is there any aftermarket support for this machine? Can anyone point me towards any suppliers for the above mentioned parts

Matrix Tray Holder

Electronics Forum | Mon May 14 15:20:35 EDT 2001 | stefwitt

You can make up a plate over lapping the tape exit guide and to the right up to the nozzle changer. It should hold three standard size Jedec trays. I used the bases of two old vibratory feeder. No matter what you do, you should use strong magnets to

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