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  1. stijnl

    Help!!! DIN 3960, Fhbm, quality control on gears, general info

    I found a lot of stuff on the internet but only general about fabrication, basic design, evolvente etc.... not so much on the quality control of gears... how do they look different from the ideal profile and what checks are done....
  2. stijnl

    Help!!! DIN 3960, Fhbm, quality control on gears, general info

    correction : The value I am refering to is fh?m, it's the average helix slope deviation (I think)
  3. stijnl

    Which is better bearing brand?

    SKF is very widely available as well in europe.. they can easily be purchased in small quantities from specialised shops...No experience with their lifespan / lifespan prediction correlation...
  4. stijnl

    Help!!! DIN 3960, Fhbm, quality control on gears, general info

    Dear all, I'm an automotive engineer, 1 year work experience in vehicle testing and I recently changed job. In this job I'm asked to improve gear noise, as the gears I am talking about are helical gears I'm looking into a so called fhbm value (din 3960). I've seen values that indicate that this...

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