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  1. An edge of 10 dps, 15 dps micro-bevel, 1200 DMT...

    An edge of 10 dps, 15 dps micro-bevel, 1200 DMT would be my starting point. How much draw you use and how much of the materials that would benefit from a heavier draw would say if a fine DMT would be...
  2. Thread: CBN Rods

    by Cliff Stamp
    Replies
    68
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    2,736

    It appears to be, however here are some questions...

    It appears to be, however here are some questions :

    -what happens if you work on extremely high alloy steels (121 REX)
    -what about ceramics
    -is one more durable/fragile when used abusively
    -is...
  3. I have worked on data sets which were generated...

    I have worked on data sets which were generated from literally hundreds of variables changing in nonlinear influences, the number of variables in ease of sharpening and edge retention are trivial to...
  4. 440C is an AISI designation for a particular type...

    440C is an AISI designation for a particular type of steel, this designation is American and it isn't even the only American standard. Outside of the US this same steel will be called by its local...
  5. The CBN/Diamond sharpmaker rods are of similar...

    The CBN/Diamond sharpmaker rods are of similar speed to the Wicked Edge stones, but even they are a significant investment in cost. Now yes you can say over the lifetime the cost is low, but that...
  6. Even if you take the most extreme claims of edge...

    Even if you take the most extreme claims of edge retention, steels like S60V/S90V are at most 2:1 over something like ATS-34, that is all and it is in the most extreme case which severely favors the...
  7. If you are talking about value, then I don't see...

    If you are talking about value, then I don't see how you can just ignore the cost of specialized equipment for maintenance. If you have one steel which can be sharpened on any stone, and another...
  8. Hemp cutting with sharpening required :...

    Hemp cutting with sharpening required : http://www.cliffstamp.com/knives/reviews/hemp.html .

    This is underway, in a year or so it will be decently filled out. The stone being used there now is a...
  9. Do some internet scans for just keyword searches...

    Do some internet scans for just keyword searches on popular high pushed steels, look at the commentary and see how often people who actually recommend the steels have that kind of knowledge, let...
  10. I was continuing a conversation which started...

    I was continuing a conversation which started with Blerv who noted :

    "I think people assume super steels are indeed "super" (ie superior in every way) due to the cost and rarity. "

    Your...
  11. Being stainless doesn't inherent mean a steel is...

    Being stainless doesn't inherent mean a steel is hard to sharpen/grind. This came to be accepted because the only stainless steels people had seen were high carbide and thus they were comparing high...
  12. Replies
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    Yes, but not exactly. Hardness affects rolling...

    Yes, but not exactly.

    Hardness affects rolling but not the gross hardness. You can have a blade which tests harder than another but the edge actually has less resistance to rolling.

    Blades are...
  13. You can not rank steels in edge holding in that...

    You can not rank steels in edge holding in that manner, people do it but it is jibberish. In order to rank steels in edge holding you have to know :

    -what is being cut
    -edge angle
    -edge finish...
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    There are issues with finishing on ceramic plates...

    There are issues with finishing on ceramic plates and using x-coarse diamond stones on some knives, in particular traditional Japanese knives using traditional Japanese steel. For them there are...
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    They are both very tough steels, I have not seen...

    They are both very tough steels, I have not seen a significant amount of materials data which would argue that if you were having a problem with Sleipner and lack of toughness than 3V would be a...
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    454

    It has many : -easier to grind -easier to...

    It has many :

    -easier to grind
    -easier to finish
    -higher obtainable hardness

    It could thus be used where 3V is rolling due to lack of hardness, or is not being used because it is to difficult...
  17. Thread: CBN Rods

    by Cliff Stamp
    Replies
    68
    Views
    2,736

    Update : ...

    Update :

    http://i7.photobucket.com/albums/y269/CliffStamp/sharpeners/sharpmaker/DSC04072640x360_zps5487adaa.jpg

    These are a set of knives from Paderno, a few observations :

    -full height flat...
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    417

    Yes, all the normal work, food, rope, wood,...

    Yes, all the normal work, food, rope, wood, plastics, scoring drywall, etc. .




    In order to make it fail on that type of work the edge angle has to be in the range of 3-5 dps. In this range...
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    I rarely use edge angles as high as 13 dps unless...

    I rarely use edge angles as high as 13 dps unless the knife isn't for cutting as much as it is for scraping, etc. . I often run true micro-bevels of 15 dps just for ease of sharpening.
  20. They make a line of blades with thicker stock for...

    They make a line of blades with thicker stock for people who like to use more force and twisting cuts, however lots of people still use the thinner blades due to the higher cutting ability. It is...
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    Greg, I am not sure in which manner the...

    Greg,

    I am not sure in which manner the video's were cited, but they don't demonstrate any inherent ability of a kerambit or a "properly made" sword. Meat is one of the simplest things to cut with...
  22. That can be done with any commonly used stainless...

    That can be done with any commonly used stainless steel, especially if you have a diamond or ceramic rod, but it certainly isn't necessary. I have loaned the Havalon Piranta to friends/relatives who...
  23. Thread: Hey Cliff

    by Cliff Stamp
    Replies
    27
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    1,155

    It is up on this end. I just put up the first...

    It is up on this end.

    I just put up the first updates on the T0.1M mule project.
  24. A mono line is cut much the same as wood is cut,...

    A mono line is cut much the same as wood is cut, it is just a continuous media so if you cut it on a push you would expect a higher polish to produce a lower force. Critical here is that the fine...
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    Travis, did you ever get that knife, curious of...

    Travis, did you ever get that knife, curious of your opinion of the steel. I just picked up one from Des Horn.
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