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TOPIC: Geometry and Kinematics of Guided-Rod Sharpeners

Geometry and Kinematics of Guided-Rod Sharpeners 5 months 1 week ago #15986

  • AnthonyYan
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Hi Clay,

Thanks! Those will be very helpful. :)

If you have time, then I think a blade with a recurve would be interesting, and also a larger knife (maybe a kitchen knife or something). That's certainly enough to start with.

Pretty busy with work, so now I just need to find time to work on this...

Sincerely,
--Anthony
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Geometry and Kinematics of Guided-Rod Sharpeners 5 months 1 week ago #15987

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Benchmade Osborne 910 Contego

Benchmade-810-Contego.jpg


Blade Length: 3.98" (10.11 cm)
Blade Thickness: 0.156" (3.96 mm)
Blade Material: CPM-M4 Super Steel
Blade Hardness: 62-64HRC
Blade Style: Reverse Tanto
Weight: 5.92 oz. (167.7 g)
Lock Mechanism: Axis Lock
Overall Length: 9.28" (23.57 cm)
Closed Length: 5.30" (13.46 cm)
Made in the USA
--Clay Allison
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Geometry and Kinematics of Guided-Rod Sharpeners 5 months 1 week ago #15988

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Kershaw Blur

Kershaw-Blur.jpg


Steel: Composite ZDP-189 Premium Stainless Steel
Handle: 6061-T6 anodized aluminum with Trac-Tec inserts
Blade Length: 3 3/8 in. (8.6 cm)
Closed Length: 4 1/2 in. (11.3 cm)
Weight: 4.2 oz.
--Clay Allison
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Geometry and Kinematics of Guided-Rod Sharpeners 5 months 1 week ago #15989

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Miyabi Morimoto Santoku

Miyabi-Morimoto.jpg


7" Blade
--Clay Allison
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Geometry and Kinematics of Guided-Rod Sharpeners 5 months 1 week ago #15990

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J.A. Henckels Pro "S" Chef's Knife, 8"

Henckels-Professional-S-8in-Chef.jpg


Product Dimensions: 16.3 x 2.7 x 1.2 inches
--Clay Allison
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Geometry and Kinematics of Guided-Rod Sharpeners 5 months 1 week ago #15991

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Fallknieven TK1

Fallknieven-TK1.jpg


Overall Length: 8.50"
Blade Length: 4.00"
Blade Thickness: 0.18"
Blade Material: 3G
Hardness: 62 RC
Blade Style: Drop Point Blade
Grind: Convex
Blade Finish: Satin
Edge Type: Plain
Handle Length: 4.50"
Handle Thickness: 0.64"
Handle Material: Micarta
Handle Color: Ivory
Weight: 6.72 oz.
--Clay Allison
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Geometry and Kinematics of Guided-Rod Sharpeners 5 months 1 week ago #15992

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AnthonyYan wrote:
If you have time, then I think a blade with a recurve would be interesting, and also a larger knife (maybe a kitchen knife or something). That's certainly enough to start with.

Added a couple more including a Kershaw Blur with a little bit of recurve and some kitchen knives. If the specs on any don't match the grid under the knife, go with the grid. The major lines are .5", the minor lines are .25" and .125"
--Clay Allison
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Geometry and Kinematics of Guided-Rod Sharpeners 5 months 1 week ago #16013

  • tcmeyer
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I can easliy understand why manufacturers wouldn't want to give out 3D drawings of their knives or even their blades. 3D drawings can be directly loaded into manufacturing software for duplication on NC equipment.

However, they should be able and willing to give you simple 2D drawing exchange files with a profile of the edge. With that and the depth at the heel, you ought to have what you need.

Try asking for a 2D drawing of the blade alone.
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Geometry and Kinematics of Guided-Rod Sharpeners 4 months 2 weeks ago #16384

  • AnthonyYan
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Hi Everyone,

Just wanted to let you know I'm still alive and interested in this project, but very busy with other things. But it will all happen eventually! :)

Sincerely,
--Lagrangian
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