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Recent content by Breastfed

  1. Breastfed

    Interference fit with 6061-T6 Hub mounted on a 4130 shaft

    Both Hub and shaft have a taper 50;1 High pressure oil (<= 30,000psi) is used to expand the Hub and another Hyd cylinder is used to pushup the Hub onto the shaft and maintain the seal for pushup. The Hub is slightly smaller in dia 0.14mm hence the 7mm pushup, surface finish is Rz6.3 as this is...
  2. Breastfed

    Interference fit with 6061-T6 Hub mounted on a 4130 shaft

    Thanks for the replies Apologies for not replying sooner as i had other urgent matters and travel. I have considered flanges and SAE splines but I feel that the Oil Injection method is rather simple all things considered, I can machine a precision taper in our work shop plus we have all the...
  3. Breastfed

    Interference fit with 6061-T6 Hub mounted on a 4130 shaft

    Hi, I'd be interested with any thoughts or concerns regarding an interference fit using Oil Injection to hydraulically mount an impeller for a Water brake machined from 6061-T6 mounted on a 4130 Shaft. Taper 50:1 (1.15deg Incl) Shaft Dia = 80mm Taper Length = 37mm Pushup distance = ~7mm...

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