Diamond Plate break-in

Presented below are several pairs of images (from the same location) of a new and “broken-in” DMT fine diamond hone (600grit).

DMTC_new_04

New diamond plate.

DMTC_broken_in_04

The diamond plate after five minutes of ” break-in.”

DMTC_new_09

New diamond plate.

DMTC_broken_in_09

The diamond plate after five minutes of ” break-in.”

DMTC_new_05

New diamond plate.

DMTC_broken_in_05

The diamond plate after five minutes of ” break-in.”

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10 responses to “Diamond Plate break-in

  1. Very interesting. So we see dislodged as well as fractured diamonds, do I see that right? Also the intact diamonds don’t show any “load up” or wear.

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  2. This is great to see. It is amazing that you can re-capture the exact same spot on the diamond plate!

    From my experience, both the Atoma 140 and the DMT course stones have worn out pretty quickly compared to the Wicked Edge diamond stones. Admittedly I was using a lot of pressure on the Atoma’s but no more than I use on the WEPS ones. The DMT was used w/ light pressure but I did some lapping on it.

    I got about 40 knives out of the Atoma plate before it was not very effective anymore. I only got a few knives out of the DMT plate, but I did use it for lapping as stated. And on the Wicked Edge plates I get about 400-500 knives, given that is for 2 plates on each grit (one on each side of the knife) but still, they have been hands down the best in my experience.

    Thanks Todd!

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    • I am surprised that the diamonds on this example are not buried more firmly in the nickel plating. This may be a quality control issue – metal plating is not the easiest process to control, in my experience.

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  3. I love diamonds for sharpening, but my DMT stones do “break-in” quickly, and in a very noticeable way–although I have yet to declare one dead! Even the “course” that I used on each of my three Spyderco Ceramic stones.

    Speaking of my Spyderco stones…I believe they’ll last forever, but they are painfully slow, and since I won’t last forever: I hardly have any use for them at all. I’m talking about kitchen knives, maybe I’d have a different story if I had a straight razor.

    If I could have diamonds embedded in my Ceramic stones–and actually be flat–I guess I’d have nothing left to wish for.

    ~Mark

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  4. Todd, great! I remember asking you about this some time ago, cool to see that you’ve gotten around to checking it out.

    I wish that you would have imaged a VERY worn diamond plate as well. I am pretty sure we would see significant wear/flattening to the ultimate points/peaks of the diamond particles. 5 minutes break in is probably not enough to show this.

    What did your break-in procedure consist of?

    –Eric

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