How do the big manufacturers do it?

L

LANNISTER92111

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Nov 5, 2014
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17
How do big knife companies cut the bevels on their blades?

To get them all identical and even in mass production must take something more high-tech than a filing jig, yes?

I was thinking of some intricate grinding fixtures, or even a 3-axis wire edm (which sounds too slow). Or are they simply finishing off forgings? I looked on google and youtube, but mostly found info and videos for DIY or custom knife makers.

Does anyone out there know?
 
cnc hard wheel grinders(no belts), either spinning vertically or horizontally depending on hollow or flat grind. this is why you wont find production knives with convex grinds.
 
mike-E said:
cnc hard wheel grinders(no belts), either spinning vertically or horizontally depending on hollow or flat grind. this is why you wont find production knives with convex grinds.
Click to expand...
Actually, I do believe that the newer machines from Berger, etc. can do pretty complex grinds if you want to program them to do so. The robotic arm setups for sure can because you see axe makers like Council Tool doing convex grinds.
 
At least some (all?) of Spyderco's grinds appear to be done by hand. I'm sure there's at least some jiggery involved. The swedge on the Native in my pocket is actually noticeably uneven.
 
H2Oknife said:
Looks like all new line in video.
Big investment for high volume sales
Click to expand...

No doubt a big investment. J. A. Henckels has been around since 1731. The founders maker's maker is one of the oldest trademarks in the world.
 
all that money invested and still a person puts the finish grind on the main bevels? at least that's what the description says, didnt show them doing it though.
 
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