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Gday Lee
I helped a user in the US when he was testing out a "Linear" a few years back.
The mount MUST be guided ( its in the spec sheet ) as the belts can produce quite large PE, and due to the gear ratios used, it cannot be fixed with a PEC model.
As noted, there is no "worm", as its fully belt driven.
The final gear has 66 teeth, soooo, about a 1,305 second period ( per tooth ), and was what caused the largest woofs in the PE.
Basically, ( based on my old notes ) there is
1) a 16 tooth pulley on the motor
2) then an 80-16 compound
3) then an 80-16 compound
4) then an 80-11 compound
5) then a 66 toother on the axle
1) has 114.88s period and 7.18s per output tooth
2) has 574.43s period and 35.90s per output tooth
3) has 2872.14s period and 179.51s per output tooth
4) has 14360.68s period and 1305.52s per output tooth
5) has 86164.1s period and 1305.52s per tooth
Based on what i learnt with my AZEQ5, belt tension can have a huge effect on how well the belt transitions between teeth.
Looking at yr data, i would surmise the final bet tension has changed and the transitioning of the teeth is causuing the bulk of yr problem.
Can you post the raw log files??? so we can have a play at extracting more data.
Andrew
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