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Flexible Kitchen Knives

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This topic contains 24 replies, has 11 voices, and was last updated by  tcmeyer 11/24/2018 at 3:02 am.

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  • #38676

    Readheads
    Participant
    • Topics: 18
    • Replies: 192

    Does anyone have a simple jig to keep flexible blades from flexing during sharpening process ?   I have the latest generation 3 field version.  It gets pretty annoying and difficult to get perfect tips when the blade flexes.  The angle changes and you defeat the purpose of holding things stiffly.

    It would seem to me that a double extra wide jaws replacement would work.

    1 user thanked author for this post.
    #38678

    Nicko
    Participant
    • Topics: 8
    • Replies: 44

    Great question! I sharpened a couple flexible fillet knives, my work around was I used one hand at a time, with my thumb and index finger on the other hand I pushed against the blade to hold it straight and stop any flex, not ideal but was a quick work around! Keen to hear what people say on this.

    #38679

    Pinkfloyd
    Participant
    • Topics: 16
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    #38680

    DeeR
    Participant
    • Topics: 2
    • Replies: 20

    Great pictures but what it the attachment called, how is it attached to the jaws and do you have a link to order one?

    #38681

    MarcH
    Moderator
    • Topics: 53
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    Great pictures but what it the attachment called, how is it attached to the jaws and do you have a link to order one?

    They are called RAM Mounts. A large variety of parts are available at Amazon.com

    Marc
    (MarcH's Rack-It)

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    #38687

    Josh
    Participant
    • Topics: 89
    • Replies: 1668

    Marc, that wouldn’t work with the gen 3 vise I don’t believe, due to the lever being right in the way of where you mounted that… but that’s a super awesome mod 

    #38688

    MarcH
    Moderator
    • Topics: 53
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    Marc, that wouldn’t work with the gen 3 vise I don’t believe, due to the lever being right in the way of where you mounted that… but that’s a super awesome mod

    They have all sorts of parts. http://www.rammount.com/part/RAM-B-201U#description I remember aways back on this Forum someone installed the “Ram Ball” drilled and secured to the paper/granite base on the back side of the clamp that held the knife stable by clamping the knife between the WE clamp and the knife tip as the knife extended forward. Google “RAM Parts”, there’s a tremendous variety of parts. I’m sure anyone who is intuitive, creative and mechanically inclined, (like many of the WE users seem to be), then you can find some RAM parts to adapt to you needs.

    Marc
    (MarcH's Rack-It)

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    #38690

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    Participant
    • Topics: 18
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    Long-Knife-Jig-1

    I was thinking of something a bit more simple like a mod to the Tormek jig below which would adapt it to the current WEPS Gen 3 jaws or as a replacement

    Long-Knife-Jig

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    #38693

    tcmeyer
    Participant
    • Topics: 33
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    I’ve done the “finger support” method a lot and it works pretty well.  When I’ve done filet knives, I’d mount them with the tip very close to the vise, then I use my off hand to support the handle – a little steadier and a little safer.  Or I could switch bases.   I also have the RAM ball mount on my base which has a Gen 2 vise for the same purposes, but mine is actually mounted to the paper stone base, not to the WE blue base.  This means I could still use a Gen 3 vise with it.

    Two WE rigs

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    #38694

    cbwx34
    Keymaster
    • Topics: 57
    • Replies: 1505

    Try my “String Theory”…

    IMG_0514

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    #38704

    Pinkfloyd
    Participant
    • Topics: 16
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    DeeR,

    They are Ram Mounts. Attached is what I ordered for my mod. Go to the Ram Mount website to search for what you need. Amazon has the parts also. If you have a Gen 3 Pro vise the Ram kit could be setup on a stationary base(the ball screwed onto the surface that the vise sets on) and the Ram Arm attached and used to steady knife.

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    #38971

    Readheads
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    I was thinking about something more like the pic below. To prototype it, I used a knife edge protector (with felt inside) but it is not stiff enough so I jammed a very stiff file inside. It also needs to into the jaws but it is too thick.  It might fit using the accessory jaws for 1/4 inch knives (the jaw opening is 5/16″). However, I do not have that accessory as I never use knives that thick.

    It would seem that if we have an accessory jaw for thick knives that we should have an accessory jaw for long flexible knives (it should be around 6+ inches long).  Looking for elegant solutions.

    Flex-Holder

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    #38974

    MarcH
    Moderator
    • Topics: 53
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    Redhead, I sharpen almost exclusively kitchen/Chef’s Knives. I suggest you try to clamp the knife more to the center, or at least with the handle further behind the clamp. I’m still able to find the “sweet spot’ that way, and keep an even bevel. (I have found if I tilt or rotate the handle down just a little and the point or tip up, using the clamp as a sort of central axis, to be helpful, but I have read where others tilt the point down and handle up similarly.) This more central clamping holds the thinner forward portion of the knife more rigid to take a lot of the flex out without needing any additional stiffening aids.

    Marc
    (MarcH's Rack-It)

    #38976

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    I have done that and find that the flex is then distributed a bit to the front and a bit to the back.  Any flex at all will not only change the angle but will vary the change based on how much the blade flexed during a specific “pass”. The will yield “sloppy” tips.  I have also done multiple knife positions but that goes against my beliefs in optimal feasible solutions. I feel this is not difficult to fix using simple fixturing.

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    #38986

    wickededge
    Keymaster
    • Topics: 120
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    I have done that and find that the flex is then distributed a bit to the front and a bit to the back. Any flex at all will not only change the angle but will vary the change based on how much the blade flexed during a specific “pass”. The will yield “sloppy” tips. I have also done multiple knife positions but that goes against my beliefs in optimal feasible solutions. I feel this is not difficult to fix using simple fixturing.

    I’d love to hear your ideas on fixturing. We’re always looking to improve things 🙂

    -Clay

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