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  • Users: Biffi
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  1. Biffi

    Dresser system

    I'm trying to find a good dresser unit which can provide more than 8000rpm. Does anyone knows a good system with relative low cost. Thanks in advance. Biffi
  2. Biffi

    Viking centerless grinder

    Hi, I'm working with a Viking centerless grinder and I have problems to alighn the diamond rolls axis with the grinding wheel axis. The difference is about 0,8mm. Does anyone knows how to solve this problem, since my diamond roll profile is OK? Thanks
  3. Biffi

    Wear of CBN grit

    Does anyone has some information, if the CBN grit when in touch in high temperature with niquel alloys degrades due some a chemical reaction? Any tip? Biffi
  4. Biffi

    Revestiment in coin die

    Hi, I'm looking info about any revestiment in coin die for extrusion of superalloys (hot extrusion)to increase the tool life. Increase hardness or reduce friction coeficient. Does anyone knows if it is possible? Please share your experiences. Thanks
  5. Biffi

    Plated CBN wheels - How increase life?

    I'm working with cilindrical plunge CBN operation, and we achieved bad results in wheel life (less than 50.000parts/wheel). The axial/radial runout is under 0,005mm, straight oil, work material = superalloys (nikel), grit size = B251, stock 2mm, cycle time=6sec, roughness tolerance 2Ra. Does...

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