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Old 2009.02.01, 06:52 PM   #1
ProfoxCG
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Best way to solder Caps to motors

hey guys, I have opened a few motor cans and wanted to replace the capacitors, but I cannot get end wich attaches to the can to solder.

I have tried to apply flux to the can and cap lead, tined the lead and push it against the can but no success....

also while we are on the subject, how do you make a PN atmaute fit into an ATM can? it fits but theres not play at all, the shaft seems longer on the enbell side?

Thanks,
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Old 2009.02.01, 07:20 PM   #2
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Well, on Atomic BB cans, I've found that by roughening up the tabs, the solder will stick.

And to get a longer armature to fit, I've done that ph2t does for the Plasma-Dash armatures. Take off the endbell BB and shave some plastic away from where the BB sits.

Check his tutorial out!
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Old 2009.02.01, 08:01 PM   #3
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Thanks

Great thanks for your time.
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Old 2009.02.02, 12:45 AM   #4
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As far as soldering goes, the solder likes to stick to things that are hot. So try and leave the tip of the iron on the can right by the capacitor, then with your other hand feed the solder on to the capacitor. If done correctly you will have a nice drop right on the motor.

"Where the heat goes the solder goes"

Hope this helps you
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Old 2009.02.02, 12:52 AM   #5
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I usually scratch at the can with an exacto to get the solder to stick, also hold the iron to it for a little while before I push the lead to it.
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Old 2009.02.02, 08:56 AM   #6
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well, i fluxed the can, the heat it and tinned it; then i pushed the capacitor into it and it worked. I think the fux helped alot.
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Old 2009.04.22, 11:01 PM   #7
eztuner12
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Quote:
Originally Posted by ProfoxCG View Post
well, i fluxed the can, the heat it and tinned it; then i pushed the capacitor into it and it worked. I think the fux helped alot.
Hi ProfoxCG.
For better results tinned the tips of the caps too.
Yep, soldering flux is necessary, it is a cleaner that makes tinning possible and the solder work better.
If tinning the soldering iron tip, the heat conducts much better and faster too, reducing the soldering process time.
Cheers
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Old 2009.04.23, 04:36 PM   #8
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i use rough sand paper to scuff a patch on the motor can before soldering to it. it helps to have some surface texture.
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