[modeleng] Re: TiN coated tools
- From: "Phill Smith" <steam@xxxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Sun, 17 Oct 2004 11:10:40 +0800
Ron,
Once the coating wears of (and it does so fairly quickly) you throw them
into the bin, and buy a new one. There is nothing else that can be done with
them. I personally wouldn't touch them unless I was going to use them on a
particularly nasty material and I was expecting to throw them in the bin
when the job was finished. Otherwise, I'd buy the HSS slot drills and end
mills.
My 0.84 pence worth......
Cheers,
Phill.
----- Original Message -----
From: "Ron Head" <ron.head@xxxxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Saturday, October 16, 2004 2:10 AM
Subject: [modeleng] TiN coated tools
> Hi chaps
>
> My M.E. arrived yesterday, and in it was a catalogue from Arc Euro Trade.
A
> very good catalogue too, and it would seem, produced especially for the ME
> trade. Most if not all of the stuff in it is undoubtedly Chinese, but it
> does look to be fair quality if pictures are anything to go by.
>
> My attention was drawn to their end mills and slot drills. These are TiN
> (titanium nitride?) coated and are incredibly cheap, for example a 1/2"
end
> mill is GBP4, about a quarter of the price of a Dormer HSS end mill. A
set
> of seven end mills covering sizes 1/8" to 1/2" is GBP18. Even Tracy Tools
> can't do them this cheaply!
>
> I'm tempted to order a few as I can never have enough milling cutters, but
> has anyone else had experience of these and are they a bargain? As I
> understand it the TiN coating reduces friction, but surely it must wear
off
> and in any case it won't be present if the tool is re-ground. Comments
> welcome!
>
> Regards
> Ron Head
> Oxford UK
>
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