Infinity ErgoDox Ergonomic Keyboard Kit Discussions | Drop

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Infinity ErgoDox Ergonomic Keyboard Kit

Mech Keys

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jH4nn3s

Oct 24, 2016

Hey guys, I just assembled my keyboard. The hardware as such appears to work fine. However, I got the Zealios 65g Tactile (Purple) switches. One stopped working mechanically right away during the assembly process . Another one was always actuated upon connecting the board for the first time with the computer. In addition, I identified about 5 additional switches whose actuation is dysfunctional and causes key chattering upon a single press. I suppose I will have to open these up as well and fumble around with the metal parts.
Is this a known issue for Zealios switches? It appears to me that the metal parts are often not properly aligned inside... could I have caused this during soldering? Heating the components too much or something perhaps (used 340° C).
EDIT: I just got a super nice reply by Henry from Zealios switches/Zeal PC. He explained to me that the transparent switches have a lower melting point due to a fiber glass percentage. Being a layman solderer I probably overheated them, causing the bottom part of the plastic to deform ever so slightly. He also gave me instructions on how to fix the key-chattering with an image containing arrows etc. He also recommended heating the joints for no more than 2-3 seconds during soldering. So, a big public thank you to Zealios switches for the explanation and the great support!

Oct 24, 2016

CptCarnage

Oct 24, 2016

jH4nn3sThanks for the tip! Using a 25w fixed soldering iron this might happen to me as well.

Oct 24, 2016

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bendrexl

Oct 25, 2016

jH4nn3sYeah - switch pins require *very* little heat to take solder. Touch the PCB first, then the pin, then a bit of solder. Takes a bit of practice, but each pin should take ~1 second, not any longer than 2. (just my experience)

Oct 25, 2016

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jH4nn3s

Oct 25, 2016

jH4nn3sJa, learning curve, I guess :) Luckily, I was able to fix all chattering switches though. In case this kind of thing happens to anybody else: I got the following instructive picture from zeal pc. To fix key chattering after possibly overheating the switches during soldiering, use a small flat head screwdriver and gently nudge the fatter, non moving leaf (purple in the image) towards the center post 2-3 times. In my case, that center leaf was also a bit rotated and warped. Gently bending it straight/parallel to the opposite metal leaf again resolved all issues in all dysfunctional switches I had. I guess it's an obvious thing to do to hindsight once you understand what's going on ;) Mkay. Next time.