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Synchron mirror milling

IP.com Disclosure Number: IPCOM000237460D
Publication Date: 2014-Jun-18

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Other References:
09741 - IP.COM


1. ABSTRACT Milling of thin-walled, mostly symmetrical, complex and large structures, e.g. frames taken from either Aluminium or Titanium plate or from forging semi-finished starting stock. Current technology is to carry out milling of frames on conventional milling centers with a single spindle side by side. This practice encompasses that after rough milling (pocketing) of one side naturally the part distorts significantly due to the unsymmetrical one-sided material removal to a bowed structure. Milling of the mirror plane is carried out in a second operation after turning and re-positioning on the machine bed. This intermediate condition is brought into plane with considerable forces, which is not good for the material nor for the final product. Internal stresses are frozen into the part by this practice, which can lead to out-of-tolerance parts causing concession.