Re: [neonixie-l] Re: NL4998 4 digit watch

2015-11-03 Thread JohnK
1).  a shear cutter should be ok
and/or
2). wrap wire around the pin [and secure with silver-bearing epoxy?]

John K
  - Original Message - 
  From: gregebert 
  To: neonixie-l 
  Sent: Wednesday, November 04, 2015 10:25 AM
  Subject: [neonixie-l] Re: NL4998 4 digit watch


  No easy solution for a wristwatch.


  Tubes that are intended for socketing have thicker pins, so clipping them 
will put the tube under a lot of stress. Even a rotary tool with a cutoff wheel 
will subject the tube to a lot of vibration. 


  I wouldn't even think of bending the pins.



  I think that leaves 2 options
a.. solder the tubes directly to the PCB. The big question there is if the 
pins have a solderable surface material. Maybe you could use a rotary tool 
after soldering the tubes because the PCB will reduce vibrations traveling up 
the pins.
b.. use socket pins. It will work, but it will also worsen the height.


  Instead of a wristwatch, maybe a small wall-clock ?

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[neonixie-l] Re: NL4998 4 digit watch

2015-11-03 Thread gregebert
No easy solution for a wristwatch.

Tubes that are intended for socketing have thicker pins, so clipping them 
will put the tube under a lot of stress. Even a rotary tool with a cutoff 
wheel will subject the tube to a lot of vibration. 

I wouldn't even think of bending the pins.

I think that leaves 2 options

   - solder the tubes directly to the PCB. The big question there is if the 
   pins have a solderable surface material. Maybe you could use a rotary tool 
   *after* soldering the tubes because the PCB will reduce vibrations 
   traveling up the pins.
   - use socket pins. It will work, but it will also worsen the height.


Instead of a wristwatch, maybe a small wall-clock ?

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