Author Topic: Pinball Hacks - WPC Style !  (Read 2204 times)

0 Members and 2 Guests are viewing this topic.

Offline johnwartjr

  • Trade Count: (0)
  • ******
  • Forum Posts:
  • Columbus, Indiana USA
  • It's ALIVEEEEEE!
    • My Home Gameroom . com
Re: Pinball Hacks - WPC Style !
« on: December 25, 2014, 05:45:56 PM »
I've installed a ton of eyelets this year and have reliably repaired a great number of driver boards without ugly jumpers.

Hey John,

Where do you source your eyelets from? They seem to be a difficult item to locate - or I'm just looking in the wrong places @.@

Andy

I started off buying mine from International Eyelet in California.

http://internationaleyelets.com/

A little pricey, honestly.

The 'proper' way to set eyelets is with a press and the correct dies. Both dies come to a point, one is spring loaded, and as the eyelet is clenched (similar to a rivet) the point retracts into the die, and allows for the eyelet to be set.

You get the correct number drill (I'm not a machinist, but apparently machinists use drill bits with a # that assigns to the diameter, instead of a fractional or decimal value), enlarge the hole, and insert and set the eyelet.

I have been using a cheap hand held leather rivet punch - the kind someone might use to put rivets or rhinestones or tacky charms on a leather belt. The end result isn't as tidy as using the correct die is, but it's also 10 bucks instead of 200. The correct dies would be nice - and maybe I'll get them at some point.

Here's one like the one I bought:

http://www.ebay.com/itm/361037874688?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT

Or, a couple good starter kits:

http://www.soldertools.net/categories/PCB-Repair-Materials/Through%252dhole-Repair-Kit/

http://www.circuitmedic.com/products/201-3140.shtml

I use the most of the Keystone #33 eyelet - that's the one that is sized for .156 header pins like on WPC GI. I also use the #33 on plated through holes for WPC snap caps, and wire lead bridges.

500 of the #33 eyelets cost me about $25 USD.

I have 2 other sizes I use - 1 that is the size for a transistor leg, and one that is the size of a typical IC leg. These are tough to set, really painful. I imagine having the right tools would make all the difference in the world. I use a pointed pick and a very small phillips screwdriver, one on each side of the eyelet, and can get them set well enough to work.

2014 was a very expensive year in my shop for equipment - all 4 factory WMS test fixtures (Sys 3-7, Sys 9-11, WPC-WPC-S and WPC-95), new upright compressor, new sandblasting cabinet (for corrosion rework), new JBC soldering station, and a few other tools plus some electrical rework to facilitate everything else. Perhaps 2015 will be the year I can get setting eyelets 'right' :) Thankfully, I've got a decent repair business!