One of the more unique characteristics of the Seimitsu Alutimo button is its use of tiny plastic or metal shims. Shims, which are stacked onto the switch, are used for extra travel length.
Pinpoint tolerance Adjustments to MX switch actuation Point
The tolerance of the actuation point of the MX Speed Silver is -0.6mm and +0.6mm. This creates a 1.2mm total tolerance. 1mm shim covers this tolerance.
All Cherry MX switches can have a varying tolerance. For example, if one of the MX switches has -0.6mm but the other one has +0.6mm. This provides an opportunity to tweak the MX switch's performance to your preferences. Let's look at the following scenarios:
- If the particular individual Speed Silver has a tolerance of close to -0.6mm: The player can remove the 1mm shim and he can use Alutimo as a short stroke button.
- If the particular individual Speed Silver has a tolerance of close to +0.6mm: There is a risk of a missed input without 1mm shim.
Enthusiasts can adjust an individual difference of the MX switch with 0.2mm shim. With these slight adjustments, they can make the ultimate stroke MX button.
Buy a Pak to Stack, or Just in Case
Enthusiasts can adjust the actuation point with the shims. For example:
- They can make short stroke buttons with no sims.
- Or they can make super sensitive buttons like the MX Red/Blue switch with 2x 1mm shims. Tweak even further with 1 or more of the .2mm shims.
These tiny shims are also quite easy to lose. Replacements are available in single packs of 10 units, great to have on hand just in case one is lost during re-assembly.
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