Tweakers' Asylum

RE:Yes, except....

65.189.211.118

Square Peg

In Reply to: RE: Pressure in line splice, then solder. posted by jea48 on May 30, 2007 at 09:02:06

... tin the stranded first or when you bend it through the SC loop it will sprout hairs all over the place.

What the hell is a parallel connection, anyway? Solder as glue? Sheesh!

Follow Ups:

and to answer your questions.................. - kenster 15:13:28 05/30/07 (2)
"What the hell is a parallel connection, anyway?"

A parallel connection is when the 2 wires to be connected are twisted together axially before soldering. Of course, this is pretty difficult with 10/12 gauge solid core wire so other methods need to be used.

"Solder as glue? Sheesh!"

How do U think small electronic components are held to a PCB? The electrical connections of the small components certainly aren't mechanically connected to the PCB before going thru the wave soldering machine so in essence, the solder is securing them to the PCB as well as making the electrical connections.

In automated PCB assembly, bigger electrical components may be secured with a tie wrap or hot glue but these are usually done manually after the smaller components are mounted via automated machines.

Hope this helps,

~kenster
- RE: and to answer your questions.................. - Tweekeng 13:37:38 05/31/07 (0)
  How do U think small electronic components are held to a PCB? The electrical connections of the small components certainly aren't mechanically connected to the PCB before going thru the wave soldering machine so in essence, the solder is securing them to the PCB as well as making the electrical connections.
  
  Well not really. A properly preped and inserted component will make a good mechinical connection. Good enough that the board can be turned over without unsoldered components falling out of the PCB. At least thats how parts are preped and placed in our board house before they are soldered (hand or wave soldered).
  
  I am sure many low cost, low quality, consumer grade electronics assembly houses do not do it this well.
- RE: and to answer your questions.................. - Square Peg 16:52:24 05/30/07 (0)
  I thought you guys were talking about laying the two wires together just for the sake of appearance. Twisting axially I'm familar with as well as solder pads. The former needs a better name.
  Thanks.

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