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Posted by Bill on March 1, 2008, 9:38 am
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Right back to the shed and the HSS lathe tools and cutters. All my lathe
tools are HSS and if they are not cutting too well I touch them up on the
grind stone and away I go. Forgot, I have just saved £2.50+, not having to
buy a new tip. The tools do not get changed when cutting different
materials, ie steel, brass, aly, copper, Cast iron as well. I have to say
when I cut plastic, nylon I do re grind the tools before I start to give a
sharp edge. Yes another £2.50 saved.
I use these on the hobbymat and ML7. Nearly 60 years ago there was nothing
but tool steel, and we had to cut everything even on the big lathes 4 foot
chuck and 30 foot long, and even on full size loco wheels. The tools were
bigger but worked just the same. Buy some HSS and grind your own and save
money. Think I should take a stand at one of the shows but the traders that
want to sell you the tips and holders would not be happy. I do have one
tipped button tool that someone gave me, be do not know were it is.
> I'd like to get some carbide tools for my 7x12 lathe and micro mill
> (Clarke
> CL300M and CMD10 respectively). The lathe has a quick-change toolpost with
> holders that will take 8mm tools, and the mill has collets up to 12mm.
>
> Want something sharp that will take clean cuts and last well. The main
> materials I chop up are brass, aluminium, and some steel. I also plan to
> do
> stuff with plastics (POM and PEEK, mostly). I'm aware of the need to keep
> tools for steel and plastics separate.
>
> Having messed around with some carbide tips (just clamped in the
> toolpost),
> I'm impressed with the way it cuts, so I'm thinking of getting a small set
> of indexable carbide-tipped lathe tools (and a boring bar and parting off
> tool). Similar for the mill - an indexable end mill, and maybe some
> carbide
> slot drills.
>
> I've been looking at the lathe tool sets on Chronos - seems that Glanz is
> at
> the better quality end of their range. A set of six tools plus boring bar
> is
> about 80ukp, 25-30 for a parting tool. End mills are about 30ukp, but I
> can't see carbide slot drills (they have a set of 6 carbide end mills,
> unknown make, for 50ukp).
>
> Is Glanz a good make? Are the tips on these likely to suit the materials I
> want to cut? There are two end mills - a 20mm with a single carbide tip,
> and
> a 25mm with two tips - which is better, if any? Any suggestions for
> alternative makes to consider, and maybe other suppliers in the UK?
>
> Thanks in advance,
>
> --
> Wally
> www.wally.myby.co.uk
> Stress: You wake up screaming and realise you haven't fallen asleep yet.
>
>
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Posted by Neil Ellwood on March 1, 2008, 12:45 pm
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On Sat, 01 Mar 2008 14:38:11 +0000, Bill wrote:
> Right back to the shed and the HSS lathe tools and cutters. All my lathe
> tools are HSS and if they are not cutting too well I touch them up on
> the grind stone and away I go. Forgot, I have just saved £2.50+, not
> having to buy a new tip. The tools do not get changed when cutting
> different materials, ie steel, brass, aly, copper, Cast iron as well. I
> have to say when I cut plastic, nylon I do re grind the tools before I
> start to give a sharp edge. Yes another £2.50 saved. I use these on the
> hobbymat and ML7. Nearly 60 years ago there was nothing but tool steel,
> and we had to cut everything even on the big lathes 4 foot chuck and 30
> foot long, and even on full size loco wheels. The tools were bigger but
> worked just the same. Buy some HSS and grind your own and save money.
> Think I should take a stand at one of the shows but the traders that
> want to sell you the tips and holders would not be happy. I do have one
> tipped button tool that someone gave me, be do not know were it is.
I think your memory is slipping. In 1948 there was stellite rod and tips
available and only 2 years later tungsten carbide tipped tools. Separate
tips weren't available but I found that stellite rod in conjunction with
some other steel as a carrier was handy and flexible.
--
Neil
reverse ra and delete l
Linux user 335851
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Posted by Bill on March 1, 2008, 12:58 pm
Please log in for more thread options You did not work were I did the first tip tools we had which were out of a
scrap wagon that came in to be melted down and that would be about 1955-56.
Memory not that bad that's a long time ago.
> On Sat, 01 Mar 2008 14:38:11 +0000, Bill wrote:
>
>> Right back to the shed and the HSS lathe tools and cutters. All my lathe
>> tools are HSS and if they are not cutting too well I touch them up on
>> the grind stone and away I go. Forgot, I have just saved £2.50+, not
>> having to buy a new tip. The tools do not get changed when cutting
>> different materials, ie steel, brass, aly, copper, Cast iron as well. I
>> have to say when I cut plastic, nylon I do re grind the tools before I
>> start to give a sharp edge. Yes another £2.50 saved. I use these on the
>> hobbymat and ML7. Nearly 60 years ago there was nothing but tool steel,
>> and we had to cut everything even on the big lathes 4 foot chuck and 30
>> foot long, and even on full size loco wheels. The tools were bigger but
>> worked just the same. Buy some HSS and grind your own and save money.
>> Think I should take a stand at one of the shows but the traders that
>> want to sell you the tips and holders would not be happy. I do have one
>> tipped button tool that someone gave me, be do not know were it is.
>
> I think your memory is slipping. In 1948 there was stellite rod and tips
> available and only 2 years later tungsten carbide tipped tools. Separate
> tips weren't available but I found that stellite rod in conjunction with
> some other steel as a carrier was handy and flexible.
>
> --
> Neil
> reverse ra and delete l
> Linux user 335851
|
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Posted by ravensworth2674 on March 1, 2008, 2:03 pm
Please log in for more thread options Stellite is definitely pre-War 1 and carbide probably WW2
Wasn't it Haynes for Stellite? I recall my father carbide tipping a
tile cutter long before 1948.
I was in RAF uniform then. Last time that I was officially
'engineering'
Somehow I think that our DH Mosquitos were doing the run to Sweden.
Again, my father used to wax lyrical about Swedish crucible steels-
and he did his apprenticeship in Consett Iron Company. And he could
temper steel with a piece of stick as temperature gauge.
Any real old farts out there? I'm nudging 78 now
Norm
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Posted by jlh45 on March 6, 2008, 9:18 am
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Re the history of carbide tips.
During WWII my father-in-law worked for the part of the 600 Group who
were making carbide tipped tools.
They were moved from Park Royal to Andrews Boatyard in Bourne End Bucks
as a precaution against being bombed.
Parts of the DH Mosquito were produced in High Wycombe Bucks and
problems machining the laminated wood were solved by the use of the
carbide tipped tools.
There was a wide range of tip sizes produced at that time. I still have
a selection which he gave me and very good they are too.
John
--
jlh45
------------------------------------------------------------------------
jlh45's Profile: http://www.rcgroups.com/forums/member.php?u=119557
View this thread: http://www.rcgroups.com/forums/showthread.php?t=826844
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> (Clarke
> CL300M and CMD10 respectively). The lathe has a quick-change toolpost with
> holders that will take 8mm tools, and the mill has collets up to 12mm.
>
> Want something sharp that will take clean cuts and last well. The main
> materials I chop up are brass, aluminium, and some steel. I also plan to
> do
> stuff with plastics (POM and PEEK, mostly). I'm aware of the need to keep
> tools for steel and plastics separate.
>
> Having messed around with some carbide tips (just clamped in the
> toolpost),
> I'm impressed with the way it cuts, so I'm thinking of getting a small set
> of indexable carbide-tipped lathe tools (and a boring bar and parting off
> tool). Similar for the mill - an indexable end mill, and maybe some
> carbide
> slot drills.
>
> I've been looking at the lathe tool sets on Chronos - seems that Glanz is
> at
> the better quality end of their range. A set of six tools plus boring bar
> is
> about 80ukp, 25-30 for a parting tool. End mills are about 30ukp, but I
> can't see carbide slot drills (they have a set of 6 carbide end mills,
> unknown make, for 50ukp).
>
> Is Glanz a good make? Are the tips on these likely to suit the materials I
> want to cut? There are two end mills - a 20mm with a single carbide tip,
> and
> a 25mm with two tips - which is better, if any? Any suggestions for
> alternative makes to consider, and maybe other suppliers in the UK?
>
> Thanks in advance,
>
> --
> Wally
> www.wally.myby.co.uk
> Stress: You wake up screaming and realise you haven't fallen asleep yet.
>
>