Gallery, Projects and General > How do I??

How do "They" serrate cutlery knives ?

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hanermo:
I suspect any grinding wheel held in any mill will nicely cut serrations in any cutlery.
Like a 115 mm grinding disc for a hand held grinder.

Before you dismiss this, a major toolmaker uses 3-5 haas milling machines to make carbide tooling, and custom stuff, like this.
Youtube videos.
He says no filtration matters and in 5 years the linears wear out, in industrial production.

RodW:
Hmm, I read this and immediately thought of a chainsaw sharpener I have and then found people actually used them for serrations.



This is actually a pretty cool project.

awemawson:
Well I've solved the problem and serrated my first knife  :ddb:

It's so simple it's silly, when you know how. You use a "Chequering File" which looks like a normal fine cut hand file, but has grooves cut along it's length, so as you gently file you leave a series of 'teeth'. Cutting wider than the file is no problem as you just locate the file in the previously cut teeth and carry on.

Pictures to follow, but I'm preparing for a dinner party so time's short (starter done, table laid, white wine chilling, red wine acclimatising  :thumbup:) - I'll do the other knives tomorrow and take pictures.

Chequering files are rare beasts, but I had a visit on Sunday from a friend who knew what they were and moreover had one of suitable pitch which I have on loan against my life as security.

Jo:
What's the difference between that and a thread file  :scratch:

Jo

seadog:
The price, probably  :lol:

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