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Fastest way to regrind primary blade iron bevels

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  • Fastest way to regrind primary blade iron bevels

    Hey all!

    I need to get the primary bevels back on some of my Veritas irons after practicing a bit too much on them. I primarily use Rob Cosman's freehand method which is working pretty good on my blades with good bevels. Some of my older ones are be way out.

    I have a Veritas MkII system, so all I need is the right grinding surface to hopefully quickly bring them back to true.

    I have a fine, extra, extra extra fine DMT stones, along with a Norton 1000/4000. I've tried a piece of glass with some 100grit sandpaper from Canadian Tire. it works but boy is it ever going to take a long time.

    Anyone recommend another way?

    Thanks!
  • Thread Continues Below...

  • #2

    Re: Fastest way to regrind primary blade iron bevels

    Bench grinder with good tool rest?
    http://www.leevalley.com/en/Wood/pag...38&cat=1,43072
    Cheers
    Randy

    Comment


    • #3

      Re: Fastest way to regrind primary blade iron bevels

      aaah thanks Randy! Didn't know about that. I've been putting off getting a grinder as I knew the wheel and rest were really the key part of things. Cool!

      Comment


      • #4

        Re: Fastest way to regrind primary blade iron bevels

        Get an 8" slow speed (1800 rpm) or variable speed. I have had one like this for a few years now (mine is a Porter Cable but it is the same). Very happy.

        https://www.kmstools.com/magnum-8-bench-grinder-6928


        And while you are at it, get the wheel balancing kit. You won't regret it.

        http://www.leevalley.com/en/Wood/pag...26&cat=1,43072





        Cheers
        Randy

        Comment


        • #5

          Re: Fastest way to regrind primary blade iron bevels

          I use a hand cranked grinder...less noise and less risks.

          Comment


          • #6

            Re: Fastest way to regrind primary blade iron bevels

            Originally posted by Normand Leblanc View Post
            I use a hand cranked grinder...less noise and less risks.
            I dunno about the risk reduction. Risk of death from old age before the blade is ground properly!
            sophien, agenkin and 3 others like this.
            Cheers
            Randy

            Comment

            • Thread Continues Below...

            • #7

              Re: Fastest way to regrind primary blade iron bevels

              I use a hardware store oil stone with 2 grits on it. They are pretty coarse, and kind of coarse. Works for me.
              More stuff of mine at:
              http://watertoneworkshop.blogspot.ca/

              My You Tube channel: https://www.youtube.com/channel/UCA5...xPoVDV61AxUdUA

              Comment


              • #8

                Re: Fastest way to regrind primary blade iron bevels

                If you can afford it, CBN wheel so you don't screw up your temper

                Comment


                • #9

                  Re: Fastest way to regrind primary blade iron bevels

                  Belt sander clamped upside down in a vise.

                  Grind away from sharp edge (opposite from grinder).

                  It goes pretty quick with 80 grit.
                  You won't want to use the belt for wood anymore, it'll be full of metal grit.

                  Nathan

                  Comment


                  • #10

                    Re: Fastest way to regrind primary blade iron bevels

                    I suggest you first practice on an old blade with a bench grinder. I am hopeless at it and I would hate to see you make a major mistake as I have done on an expensive blade.

                    Comment


                    • #11

                      Re: Fastest way to regrind primary blade iron bevels

                      A slow 8" grinder with a good tool rest. I like the the OneWay grinding rest. To avoid ruining the steel, do not grind all the way to the edge. If you need to grind out a chip or something grind the edge straight into the wheel and then set your bevel and grind but again, not all the way to the edge. I let the steel cool if it feels hot on my palm. The tool rest will suck out the heat quickly. As I do not grind to the edge I can use a very coarse wheel. These coarse wheels do not produce as much heat.

                      Jim
                      Randy in Calgary likes this.

                      Comment

                      • Thread Continues Below...

                      • #12

                        Re: Fastest way to regrind primary blade iron bevels

                        The absolute best grinding system I have used is an 8" half-speed grinder with CBN wheels. 180 grit for general grinding, and 80 grit for fast removal.

                        This will grind almost as cool as a Tormek, as fast as any dry grinder, and create a perfectly straight and smooth edge at the end of the hollow.

                        http://www.inthewoodshop.com/Woodwor...ningSetUp.html

                        Regards from Perth

                        Derek

                        Comment


                        • #13

                          Re: Fastest way to regrind primary blade iron bevels

                          I'm with Derek (post #12) as regards CBN wheels. Most of my turning buddies have them and I've seen first-hand how fast and cool they grind. I'm saving my shackles...
                          All the best,

                          Marty

                          President of Kingston Wood Artisans https://kwoodartca.wordpress.com/

                          Proud member of the Wadkin Blockhead Club

                          Comment


                          • #14

                            Re: Fastest way to regrind primary blade iron bevels

                            Same here, I use the same wheels as Derek (I won't say whose recommendation I followed...) with a variable speed grinder and it's by far the easiest way to get the results I want.
                            Frank
                            SPCHT

                            Comment


                            • #15

                              Re: Fastest way to regrind primary blade iron bevels

                              Hey all!

                              Didn't get any notifications that this had been updated. Apologies!

                              Some quick followup questions:

                              Did a quick google for CBN wheels — they look to come in at around $220+, adding a grinder for $100, I'm up to $320.
                              https://www.kmstools.com/magnum-8-bench-grinder-6928
                              http://stockroomsupply.ca/shop/woodt...bn-wheels.html



                              If I go the Veritas tool rest and wheel balancer, I'm looking at: $117 + $80 + $100 for the grinder = $307
                              https://www.kmstools.com/magnum-8-bench-grinder-6928
                              http://www.leevalley.com/en/Wood/pag...26&cat=1,43072
                              http://www.leevalley.com/en/Wood/pag...=1,43072,45938



                              The main competition at the moment is just saving up for the Veritas Power Sharpening system at $479.
                              http://www.leevalley.com/en/wood/pag...=1,43072,48435


                              Anyone got any thoughts on this comparison? Thanks all!

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