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Posted by Allan Waterfall on April 22, 2008, 4:22 am
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Just wondering if these replaceable tip parting tools are okay for
interrupted
cuts such as square and hexagon bar ?
Also are they okay for parting off something that's been turned
eccentric ?
Allan
--
Allan Waterfall
------------------------------------------------------------------------
Allan
Waterfall's Profile: http://www.rcgroups.com/forums/member.php?u=52672
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Posted by Tony Jeffree on April 22, 2008, 4:48 am
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On Tue, 22 Apr 2008 03:22:52 -0500, Allan Waterfall
>Just wondering if these replaceable tip parting tools are okay for
>interrupted cuts such as square and hexagon bar ?
>
>Also are they okay for parting off something that's been turned
>eccentric ?
Yes and yes.
Regards,
Tony
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Posted by MikeH_QB on April 22, 2008, 4:02 am
Please log in for more thread options > Anyone tried the Glanze parting tools from Chronos?
>
> http://www.chronos.ltd.uk/cgi-local/ss000001.pl?page=3Dsearch&SS=3Dpartin.=
..
>
> item 21.
>
> The other option for a small lathe seems to be the Q-cut from Greenwood,
>
> http://www.greenwood-tools.co.uk/ishop/728/shopscr23.html
>
> but that's more than twice the price at =A350 :(
>
> Any recommendations, other suggestions?
>
> Ta.
>
> BTW, I just had to make a complex part from Inconel, and as I only have
> one bit of stock the right size I decided to make a test piece from ally
> first. Wow! It was so easy .. 0.01 mm? peasy, go for a micron .. I'd
> forgotten what machining ally and even mild steel is like after
> struggling with stainless, copper and superalloys all the time.
>
> -- Peter Fairbrother
Agree totally with some of the other comments. Have used the Greenwood
Q-Cut for years and it is brilliant. It has probably saved me a
fortune in time & materials with spoilt work amd my nerves remain
fairly calm!
hth
Mike
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Posted by on April 22, 2008, 4:23 am
Please log in for more thread options > Anyone tried the Glanze parting tools from Chronos?
>
> http://www.chronos.ltd.uk/cgi-local/ss000001.pl?page=3Dsearch&SS=3Dpartin.=
..
>
> item 21.
>
> The other option for a small lathe seems to be the Q-cut from Greenwood,
>
> http://www.greenwood-tools.co.uk/ishop/728/shopscr23.html
>
> but that's more than twice the price at =A350 :(
>
> Any recommendations, other suggestions?
>
> Ta.
>
> BTW, I just had to make a complex part from Inconel, and as I only have
> one bit of stock the right size I decided to make a test piece from ally
> first. Wow! It was so easy .. 0.01 mm? peasy, go for a micron .. I'd
> forgotten what machining ally and even mild steel is like after
> struggling with stainless, copper and superalloys all the time.
>
> -- Peter Fairbrother
Peter Hi,
Yet another vote here for the "Q-Cut" type of parting tool. I actually
bought mine form Jenny at JB Cutting Tools here:
http://www.jbcuttingtools.com/epages/es108275.sf
It is superb and has transformed parting off for me. Although at
nearly =A340 (delivered) only slightly cheaper than the Q-cut I think it
was excellent value and would instantly buy the same again if
necessary. You can get different thickness of blade and tip but my 2mm
version handles all that I throw at it. I think that RDG also sell a
similar design at a cheaper price.
One issue I have heard of (in the past not recently) was that with
some of the cheaper copies the tip was not always held tightly enough
in the blade and could fall out. I have had no experience of this
though.
Best regards
Keith
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Posted by Tony Jeffree on April 22, 2008, 4:47 am
Please log in for more thread options On Tue, 22 Apr 2008 01:23:39 -0700 (PDT), jontom_1uk@hotmail.com
wrote:
>Yet another vote here for the "Q-Cut" type of parting tool. I actually
>bought mine form Jenny at JB Cutting Tools here:
>
>http://www.jbcuttingtools.com/epages/es108275.sf
>
>It is superb and has transformed parting off for me. Although at
>nearly £40 (delivered) only slightly cheaper than the Q-cut I think it
>was excellent value and would instantly buy the same again if
>necessary. You can get different thickness of blade and tip but my 2mm
>version handles all that I throw at it. I think that RDG also sell a
>similar design at a cheaper price.
>
>One issue I have heard of (in the past not recently) was that with
>some of the cheaper copies the tip was not always held tightly enough
>in the blade and could fall out. I have had no experience of this
>though.
Keith -
That version looks like a better option than the Greenwood to me -
what they have done is to cut the blade in half and attach a piece of
square section steel to fit the toolpost, which limits the depth of
cut to 20mm or so. With the JB version it looks like you can adjust
the blade in the holder to allow deeper cuts; also, the blade is
double ended so you could fit it with two different tip widths. I
might have to arrange for one to follow me home from Harrogate.
Regards,
Tony
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>interrupted cuts such as square and hexagon bar ?
>
>Also are they okay for parting off something that's been turned
>eccentric ?