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Bowl Scraper Recommendations

Discussion in 'Woodturning Discussion Forum' started by Rex Wade, Nov 30, 2020.

  1. Lou Jacobs

    Lou Jacobs

    Joined:
    Jul 18, 2018
    Messages:
    242
    Location (City & State):
    Baltimore, MD
    Thank you both for these helpful suggestions. I’ll try them out tomorrow. Hope everyone has a great, healthy holiday!
     
  2. Don Wattenhofer

    Don Wattenhofer

    Joined:
    Jul 19, 2018
    Messages:
    721
    Location (City & State):
    Ponsford, MN
    The honed and burnished burr is far superior and longer lasting then the flimsy burr left from grinding. The veritas burnisher is very difficult to get the right amount of pressure with the leverage you have using that pivot pin. The finish on the carbide pin of the of the Veritas and the purchased carbides is quite coarse I think so what I have done is make my own using scarped CNC router bits, which have a highly polished shank.
    101_0439.JPG The selection of burnishers mostly 1/2" shank are set into the handles using epoxy on the old cutting flutes and the shank end exposed. The hand held burnisher like this is opened to adjusting for every configuration of scraper including the real shear scrapping tools. The perfect burr is dependent on the amount of pressure applied, the angle of the cutting edge and the particular piece of steel used. When rolling a burr to much pressure can result in the burr rolled over too far, which will be like using a blunt edge. Note: any kind of scraper can have a burred edge and then will need to be presented at a negative rake angle but that does not include a flat top scraper flat on the tool rest and held so the cut is below center - that would be pure stupidity. The only burred scrapers used flat on the rest are the currently popular so called NRS but even those can be used tipped at an angle for added versatility.
     
  3. Randy Heinemann

    Randy Heinemann

    Joined:
    Jul 19, 2017
    Messages:
    97
    Location (City & State):
    Roscoe, Illinois
    I have Crown gouges. The steel is M42 and allegedly cryogenically treated. I have found that these tools keep their edge much longer than others I have. I do have Sorby scrapers and they are great tools also. If I bought another scraper I'd try the Crown scrapers based on my experience with their gouges. A Crown M42 Razor Sharp finishing bowl scraper is available from Craft Supplies USA for $69.95, but they are out of stock now also. Must be a steel shortage or just not a lot of tools being shipped to or within the US.
     

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