Lunar mining station needs at least 60 LuV machine casings, while you can use 56 casings with minimal hatches. There is already limit for energy input hatches, so you anyway can't overclock it twice
https://github.com/OmnifactoryDevs/Omnifactory/blob/7c6d6a133d699e26e449934998afd92af095e6a2/overrides/scripts/Multiblocks.zs#L1035-L1036