Spyderco's sharpening process for ZDP 189?
Spyderco's sharpening process for ZDP 189?
Hey everybody,
I was just curious if anybody knew how our Spyderco ZDP 189 blades are sharpened from the factory? Specifically the method and grit(s) used?
I was just curious if anybody knew how our Spyderco ZDP 189 blades are sharpened from the factory? Specifically the method and grit(s) used?
Re: Spyderco's sharpening process for ZDP 189?
I've always assumed production blades are sharpened on a wet grinder of some sort. The secondary bevels don't look finer than 400 grit to me, if that.
I've always been really curious how the SpyderEdge bevels are cut and sharpened.
I've always been really curious how the SpyderEdge bevels are cut and sharpened.
Re: Spyderco's sharpening process for ZDP 189?
I remember reading something over on BF not long ago stating that the Seki models appear to be sharpened with some sort of medium to low grit belt sander, then power stropped to remove the burr. Take that with a grain of salt though, since I can't remember the exact source :)
Re: Spyderco's sharpening process for ZDP 189?
Interesting thanks guys.
I guess it couldn't hurt to strop it with some stropman black and white?
I guess it couldn't hurt to strop it with some stropman black and white?
Re: Spyderco's sharpening process for ZDP 189?
Not sure if you would attain a higher level of sharpness by doing so, but it probably wouldn't hurt to do a few strokes and find out.cliff_B07 wrote:Interesting thanks guys.
I guess it couldn't hurt to strop it with some stropman black and white?
Even though I use the factory edge until it dulls, I much prefer how my knives perform after doing a full re-profile. I'm just too lazy to do it out of box :)
Re: Spyderco's sharpening process for ZDP 189?
Hi Cliff,
Welcome to our forum.On the factory sharpening of ZDP. Sorry "Top secret".
sal
Welcome to our forum.On the factory sharpening of ZDP. Sorry "Top secret".
sal
Re: Spyderco's sharpening process for ZDP 189?
sal wrote:Hi Cliff,
Welcome to our forum.On the factory sharpening of ZDP. Sorry "Top secret".
sal
Thanks Sal :)
ejames13 I did strop my zdp manbug more than a few times with some Stropman black and white and it didn't seem to polish the edge anymore than it already is. This zdp manbug is sharp!
Re: Spyderco's sharpening process for ZDP 189?
My procedure for reprofile sharpening ZDP-189 is as follows:
My new Delica edge was not perfectly formed and I decided to lower the included angle and smooth out the factory grind.
Each step is examined with a 15x loop and bright light.
DMT diamond bench stones, I like these for very fast removal of the steel.
Coarse 325 = 45 micron
Fine 600 = 25 micron
Extra Fine 1200 = 9 micron
Next, I find very important, the DMT series leaves rather deep scratches in the steel.
Spyderco Bench stones work great to smooth out the deep marks.
Medium brown = 600 not grit size but the relative surface finish.
Fine white approx. = 1,200 - 1,800
Final is a series of HARD leather strops with diamonds from DMT dia-paste.
6 micron
3 micron
1 micron
0.5 micron from other manuf.
This is quick and leaves a mirror edge that really lasts.
Touch up with the DMT dia-paste strops until the edge requires new honing on the stones.
Regards,
FK
My new Delica edge was not perfectly formed and I decided to lower the included angle and smooth out the factory grind.
Each step is examined with a 15x loop and bright light.
DMT diamond bench stones, I like these for very fast removal of the steel.
Coarse 325 = 45 micron
Fine 600 = 25 micron
Extra Fine 1200 = 9 micron
Next, I find very important, the DMT series leaves rather deep scratches in the steel.
Spyderco Bench stones work great to smooth out the deep marks.
Medium brown = 600 not grit size but the relative surface finish.
Fine white approx. = 1,200 - 1,800
Final is a series of HARD leather strops with diamonds from DMT dia-paste.
6 micron
3 micron
1 micron
0.5 micron from other manuf.
This is quick and leaves a mirror edge that really lasts.
Touch up with the DMT dia-paste strops until the edge requires new honing on the stones.
Regards,
FK
Last edited by FK on Tue May 24, 2016 1:25 pm, edited 1 time in total.
Re: Spyderco's sharpening process for ZDP 189?
It's OK Sal I got this.sal wrote:Hi Cliff,
Welcome to our forum.On the factory sharpening of ZDP. Sorry "Top secret".
sal
1) Locate and slay a dragon.
2) Remove fang from dragon.
3) Cast "Edge of The Infinite" spell.
4) Hone edge of blade on dragon tooth until desired sharpness is reached. This may take a fortnight.
5) Strop edge on the hide of a unicorn.
That about sums it up.
All SE all the time since 2017
~David
~David
- Surfingringo
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Re: Spyderco's sharpening process for ZDP 189?
Hah! That's good stuff right there. :DEvil D wrote:It's OK Sal I got this.sal wrote:Hi Cliff,
Welcome to our forum.On the factory sharpening of ZDP. Sorry "Top secret".
sal
1) Locate and slay a dragon.
2) Remove fang from dragon.
3) Cast "Edge of The Infinite" spell.
4) Hone edge of blade on dragon tooth until desired sharpness is reached. This may take a fortnight.
5) Strop edge on the hide of a unicorn.
That about sums it up.
Re: Spyderco's sharpening process for ZDP 189?
Hey Evil,
You're giving away our secrets. :p
sal
You're giving away our secrets. :p
sal
Re: Spyderco's sharpening process for ZDP 189?
Lol like anyone else can find and slay a dragon :cool:sal wrote:Hey Evil,
You're giving away our secrets. :p
sal
All SE all the time since 2017
~David
~David
Re: Spyderco's sharpening process for ZDP 189?
At least not without a spyderco ZDP knife.Evil D wrote:Lol like anyone else can find and slay a dragon :cool:sal wrote:Hey Evil,
You're giving away our secrets. :p
sal
Re: Spyderco's sharpening process for ZDP 189?
I got a question?
how do you get serrated zdp 189 so sharp from the factory
how do you get serrated zdp 189 so sharp from the factory