DIN tooling

DIN tooling

This topic has 5 replies, 4 voices, and was last updated 4 November 2009 at 10:26 by charadam.

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2 November 2009 at 20:58 #44669
Dunc
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@dunc
I have a set of carbide tip (brazed in place, not replaceable inserts) lathe turning tools. These are the ones for the run-of-the-mill mini-lathe. Searching the web I have found various sets: 5,6 and 11 pieces.

The package identifies them with a DIN: for example, 4972R, 4972L, 4975. While the “L” and “R” designations might seem obvious (I hope!) do these designations have, in fact, any real meaning: that is, left-turning tool, threading tool, facing tool or parting/cutoff tool?

Does having a DIN assigned impart any guarantee of quality?

Is there a source for the codings online? I found one mention (no url) that a German site offered information for a price (no idea of how much).
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2 November 2009 at 20:58 #4819
Dunc
Participant
@dunc
What do these numbers mean?
3 November 2009 at 08:57 #44679
Circlip
Participant
@circlip
The German “DIN” standards are more or less like the old British Standards Dunc. One company we used to deal with “Berang” had a catalogue of items they supplied with the various parts shown manufactured to the specified DIN standard with dimensions shown for the range of parts EG. Tee nut Dims. and another for Domed head nuts all in metric.

Like BS. lots of the DINs have been replaced with ISO numbers.

Regards Ian.
3 November 2009 at 10:44 #44684
Niloch
Participant
@niloch
Look out for a four part article by Mike Haughton entitled Insert Tools. I suspect I saw it in one of the MEW issues in the digital archives of this forum. I further suspect that it will answer your queries. Regrettably I can’t exactly remember in which issues it appeared.
3 November 2009 at 15:07 #44692
Niloch
Participant
@niloch
MEW: issue 136 March 2008 through to issue 139
4 November 2009 at 10:26 #44709
charadam
Participant
@charadam
A code chart can be found here:

http://www.carbidedepot.com/formulas-insert-d.htm

Hope this helps.
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