Login / Register
 
Neutrik Connectors: Gold vs. Silver Contacts
New Reply
Subscribe
#31
29th December 2012
Old 29th December 2012
  #31
Gear Guru
 
tINY's Avatar
 
Joined: Jul 2004
Location: Orygun
Posts: 11,848

tINY is offline

Good crimp pins are airtight - though there are others available.

Personally, I often put a bit of solder over the crimped end before I insert it into the connector when reliability is critical.




-tINY

#32
29th December 2012
Old 29th December 2012
  #32
Gear Head
 
BoseBoyz's Avatar
 
Joined: Dec 2005
Posts: 48

BoseBoyz is offline
iron oxide is bigger than iron, so corrosion can spread on things like car sheet metal by cracking the metal deeper and exposing it to air/moisture/etc. this is not the case with aluminum. is the same true of nickel?
__________________
http://www.mindsdozer.com
#33
29th December 2012
Old 29th December 2012
  #33
Gear Guru
 
tINY's Avatar
 
Joined: Jul 2004
Location: Orygun
Posts: 11,848

tINY is offline

I know that we use a Nickel plate over copper and then plate gold on top of that for "hard gold" contacts on CPU sockets. It's definitely stable, durable stuff.

In fact, undercutting from the copper eroding faster than the nickel is a constant hassle in this process. Besides, Have you seen the old nickel plated revolvers? It eventually just wears off after a lifetime of hard use.



-tINY

S21
#34
29th December 2012
Old 29th December 2012
  #34
S21
Lives for gear
 
S21's Avatar
 
Joined: Dec 2012
Location: Australia
Posts: 795

S21 is offline
Crimped connectors have the advantage of high pressure at the join. Good crimps are better than good soldering.
#35
29th December 2012
Old 29th December 2012
  #35
Gear Guru
 
tINY's Avatar
 
Joined: Jul 2004
Location: Orygun
Posts: 11,848

tINY is offline

That's what they said in school. I still like the idea of a sheath of sacrificial lead and tin - especially if there's exposed copper wire between the crimp and the insulation.



-tINY

#36
29th December 2012
Old 29th December 2012
  #36
Lives for gear
 
Richard Crowley's Avatar
 
Joined: Sep 2006
Location: Portland OR USA
Posts: 3,018

Richard Crowley is offline
Crimped terminations may well be better than soldering, but I wouldn't bet on that when the crimps are made with tools/dies that may not perfectly match the pin, and by someone with little previous experience. Another reason I prefer solder-pot pins. Not to mention the fact that solder-pot pins tend to be SOLID "screw-machine" parts, and the crimp terminals tend to be thin STAMPED metal that are not nearly as strong. Especially for heavy use like stage boxes/snakes, etc.
#37
30th December 2012
Old 30th December 2012
  #37
Gear Head
 
BoseBoyz's Avatar
 
Joined: Dec 2005
Posts: 48

BoseBoyz is offline
Exclamation

Quote:
Originally Posted by rcrowley View Post
...but I wouldn't bet on that when the crimps are made with tools/dies that may not perfectly match the pin, and by someone with little previous experience.
The crimp tabs all vary slightly in their dimensions, so this comment would suggest that each $.05 contact part number requires its' own $500 crimp tool. Not that it would surprise me, but is that the understanding in the industry?

I've heard it is a mess using the wrong crimper, but how close do you have to be? After all, all we are doing is curling the tabs in toward each other and then compressing them into the conductor. I would think there would be a range of acceptable die dimensions.

maybe this should be another thread...
#38
30th December 2012
Old 30th December 2012
  #38
Gear Guru
 
tINY's Avatar
 
Joined: Jul 2004
Location: Orygun
Posts: 11,848

tINY is offline

If crimping these onto tin-plated copper conductor wire, I wouldn't worry about the solder. But tolerances on these are pretty tight....



-tINY

#39
30th December 2012
Old 30th December 2012
  #39
Lives for gear
 
sameal's Avatar
 
Joined: Dec 2008
Location: back in the illinoiz.
Posts: 3,432

sameal is online now
is that??? yes! yes! it is! the sound of a record skipping..
#40
31st December 2012
Old 31st December 2012
  #40
Gear Head
 
BoseBoyz's Avatar
 
Joined: Dec 2005
Posts: 48

BoseBoyz is offline
Exclamation

Quote:
Originally Posted by sameal View Post
is that??? yes! yes! it is! the sound of a record skipping..
if this is something that has been discussed before, and it is getting on your nerves, the most effective way to put a stop to it is to post a link to the discussion to which you are referring.
#41
31st December 2012
Old 31st December 2012
  #41
Gear Head
 
BoseBoyz's Avatar
 
Joined: Dec 2005
Posts: 48

BoseBoyz is offline
Quote:
Originally Posted by tINY View Post

If crimping these onto tin-plated copper conductor wire, I wouldn't worry about the solder. But tolerances on these are pretty tight....



-tINY

what make/model are those?
#42
31st December 2012
Old 31st December 2012
  #42
Gear Guru
 
tINY's Avatar
 
Joined: Jul 2004
Location: Orygun
Posts: 11,848

tINY is offline

These are typical pins for the circular mil connectors. Most of the ones I worked with (missile system form the early 60's) had solder-cup connectors.

These not only made great cribbage markers, when used with a 4-point crimper, they were permanently attached to a fairly wide range (26-20 AWG) of wire sizes.



-tINY

#43
1st January 2013
Old 1st January 2013
  #43
Gear Head
 
BoseBoyz's Avatar
 
Joined: Dec 2005
Posts: 48

BoseBoyz is offline
how do those work...just squish the tube like a bicycle brake cable terminator?
S21
#44
1st January 2013
Old 1st January 2013
  #44
S21
Lives for gear
 
S21's Avatar
 
Joined: Dec 2012
Location: Australia
Posts: 795

S21 is offline
Squish with a special squisher that doesn't deform the general shape of the pins. :-)

Hence the need for the correct crimp tool
#45
1st January 2013
Old 1st January 2013
  #45
Lives for gear
 
Richard Crowley's Avatar
 
Joined: Sep 2006
Location: Portland OR USA
Posts: 3,018

Richard Crowley is offline
As S21 says, you must take care to NOT deform the pin when crimping or it won't fit properly into the connector shell. Unless you use a good crimping tool with the proper die set, crimping isn't nearly as easy as it sounds. You could wind up with a big, expensive mess.
S21
#46
1st January 2013
Old 1st January 2013
  #46
S21
Lives for gear
 
S21's Avatar
 
Joined: Dec 2012
Location: Australia
Posts: 795

S21 is offline
Quote:
Originally Posted by tINY View Post

Personally, I often put a bit of solder over the crimped end before I insert it into the connector when reliability is critical.
My "must not fail" connectors have the backshell filled with epoxy or hotmix glue. This makes it impossible to repair the connector, but does provide mechanical support.
#47
2nd January 2013
Old 2nd January 2013
  #47
Gear Head
 
BoseBoyz's Avatar
 
Joined: Dec 2005
Posts: 48

BoseBoyz is offline
Hey, tINY and others, seems like this topic is kind of migrating over to here, where it would be great to have you involved: DB25 Soldering Tips?
#48
8th January 2013
Old 8th January 2013
  #48
Lives for gear
 
dualflip's Avatar
 
Joined: Mar 2008
Posts: 2,535

Send a message via MSN to dualflip Send a message via Skype™ to dualflip
dualflip is offline
Ive been screwed so many times by tin plated switches and tin plated connectors or contacts (in general), that i get gold plated everything, even if its overkill on some applications.
Quote
2
#49
18th October 2013
Old 18th October 2013
  #49
Gear interested
 
Joined: Nov 2011
Posts: 16

jazz411 is offline
New Reply Submit Thread to Facebook Facebook  Submit Thread to Twitter Twitter  Submit Thread to LinkedIn LinkedIn  Submit Thread to Google+ Google+ 
 
Thread Tools
Search this Thread
Search this Thread:

Advanced Search
Similar Threads
Thread
Thread Starter / Forum
Replies
xqtion / So much gear, so little time!
6
firefly419 / High end
0

Forum Jump

SEO by vBSEO ©2011, Crawlability, Inc.