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Using the Chisel Adapter

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  • #20298
    tcmeyer
    Participant
    • Topics: 38
    • Replies: 2098

    Haven’t seen discussion on this yet, so here goes…

    I finally had the opportunity to get out my chisel adapter the other day and sharpened up my collection of six wood chisels. A couple of observations:

    No information or instructions included with the adapter.

    The unit has a very nice plastic edge stop which always put you right at the same position every time. Well thought-out.

    In this fixed position, each of my chisels, which I sharpened at 35 degrees, required that my stones actually be used past vertical. In other words, when set up on the left side, the left rod leaned to the left.

    Wood chisels frequently suffer some pretty bad dings and/or chips. I think you still will need another grinding machine (like a bench grinder) to do the rough work. Even my 100/200 stones were hopeless in removing nicks.

    I think I will add a couple of stops to the adapter’s vise jaws to prevent the stone from slipping off the edge to either side.

    Unlike knives, chisel edges are supposed to be square and straight. With wide blades, it’s easy to end up with a wavy edge and botched corners.

    I have a good putty knife which I sharpen as a chisel. I use it for slicing off labels and dried glue. The adapter is designed for thicker blades and thin blades, when set at the adapter’s stop position, fall behind the higher face of the adapter’s jaws. The easy fix is to just ignore the stop and move the blade lower. Just gotta remember where to put it next time.

    Bottom line: really sharp chisels. I had to put masking tape over the edges to prevent biological leaks.

    #20305
    wickededge
    Keymaster
    • Topics: 123
    • Replies: 2940

    Great observations Tom, thank you! We’re still working on writing the instructions… I’ll try to replicate what you’re talking about regarding the thinner blades and see if there is something we can do about it.

    -Clay

    #20307
    tcmeyer
    Participant
    • Topics: 38
    • Replies: 2098

    This is an opportunity for me to toot the film-on-glass horn again. Soft strop media just won’t cut it for wood chisels as the very edge of the blade needs to be polished – no toothy edge here! The minimum polish recommended by the assortment of woodworking magazines I get is about 3000 grit, probably because that’s what you can buy at the WoodCraft shop. Up to now, I’ve been working on a granite base with Norton full-sheet papers. I started with about 320 and proceeded thru 400, 800, 1200, 1500 and 2000, using one of the old roller-style blade holders.

    With the WE chisel adapter, abrasive film-on-glass blocks let you work the bevel all the way up to 0.1 micron diamond if you so choose. Since you are working with only one side, you can use any stroke or motion you desire. I found that small, circular scrubbing motions were the most controllable for me. Not having any stones finer than the ceramics, I can’t opine on how other stones (like Choseras, for instance) might perform.

    One other point deserves mention: Working thru your grit progression on the bevel, you’ll eventually produce a dandy of a burr at the apex. Besides the need to remove the burr, you also have to polish the back side. Maybe someday a separate clamp position to hold the chisel back-side-up for freehand work with the blocks. Or maybe it’s something the average guy can fabricate.

    #20309
    Daniel maloon
    Participant
    • Topics: 10
    • Replies: 209

    I agree about the back side. Ive thought about this for awhile but just havent had time to make it along with other ideas. If i do ill let you know tc. And they do get super sharp, i shaved with one last month

    #20508
    Ronald Cindia
    Participant
    • Topics: 2
    • Replies: 6

    Clay, could you make a video about the chisel adapter and the low angle adapter on your YouTube channel? It would be greatly appreciated! Thanks!

    #25683
    Ted
    Participant
    • Topics: 0
    • Replies: 9

    Sorry for pitching in late here, Clay. I’ve been a happy WEPS user since early Gen1.

    I really love the capability promised by the chisel adapter. Would it be useful for grinding plane irons as well? Will it handle lower angles such as 20 or 25 degrees? It is kind of hard to tell from the picture on the product page.

    TedP
    Reston VA

    #25684
    tcmeyer
    Participant
    • Topics: 38
    • Replies: 2098

    Hi Ted:

    I haven’t had my adapter out lately, but I’m quite sure it will not adjust wide enough for plane blades and the like. Maybe you could make a simple clamping bolt to adapt the adapter.

    The way it’s configured, the limitation is how high the angle can be set, not how low. Since the edge is oriented downward, you move the slide out to decrease the angle.

    Tom

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