Looking for CNC router with good and astable mechanics

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I am looking for a CNC router for wood and aluminium which is with good and stable working mechanics, but electronic and motors are completely unuseful or damaged in any case I do not need them. The working area on the machine which I am looking to buy is 900mm by 1000mm or bigger approximately 1200mm by 1500mm, because I’ve got limited space where to place it. I appreciate any help. Thank you in advance.
I am located in Bristol.
George