Method of assembling a rotor stack
A method of assembling a rotor stack comprising a plurality of component parts, the method comprising: determining swash measurements for interfacing surfaces of the plurality of parts; calculating a runout estimate for a plurality of relative orientations of the parts; applying an optimization algorithm to identify an optimal orientation from the plurality of relative orientations based on the runout estimates; and assembling the parts in the optimal orientation.
1. A method of assembling a rotor stack comprising a plurality of component parts, the method comprising:
(A) measuring swash of abutting surfaces of the plurality of parts;
(B) calculating a runout estimate for a plurality of relative orientations of the parts, including selecting a clamping load and estimating deformation of the abutting surfaces of the parts as a function of the clamping load;
(C) applying an optimization algorithm to identify an optimal orientation from the plurality of relative orientations based on the runout estimates;
(D) comparing the runout estimate corresponding to the optimal orientation with a threshold and repeating steps (A)-(D) with a different combination of parts if the runout estimate falls outside of the threshold; and
assembling the parts in the optimal orientation when the runout estimate corresponding to the optimal orientation falls within the threshold.
2. The method as claimed in claim 1 , further comprising identifying a plurality of combinations of available parts which falls within the threshold.
3. The method as claimed in claim 1 , wherein a likelihood of success value is provided based on an uncertainty and a proximity to the threshold.
4. The method as claimed in claim 2 , wherein a likelihood of success value is provided based on an uncertainty and a proximity to the threshold.
5. The method as claimed in claim 1 , wherein a message is generated containing instructions for assembling the parts.
6. The method as claimed in claim 1 , wherein calculating the runout estimate further comprises augmenting the swash measurements using a neural network to estimate the contact points between the abutting surfaces.
7. The method as claimed in claim 1 , wherein the runout estimation and the optimal orientation are calculated for individual joints and/or the overall stack.
8. The method as claimed in claim 1 , wherein the optimisation algorithm is modified by user-defined settings.
9. The method as claimed in claim 1 , wherein an optimisation goal is defined by vibration dynamics considerations.