Insert tip Boring bar

Insert tip Boring bar

This topic has 3 replies, 3 voices, and was last updated 24 July 2009 at 16:08 by Graham Horne.

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22 July 2009 at 07:39 #42463
Robert Hodgkins
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@roberthodgkins92224
Hi

I’ve just purchased a GLANZE 6MM BORING TOOL and Its the first time i have used an indexable tipped tool. This bar is round in cross section and has two flats on it, which I thought was to make sure it is held in the toolpost to give the correct cutting angle. When mounted the the tip insert is angled downwards at about 15 degrees. This is totaly alien to my understanding of the correct rake angle.

Am I mounting this wrongly?

On my Myford the Quick change tool post holder for boring has a Vee in it. Is this bar made to sit in that? My Quick change tool holder on my Cowells lathe has no Vee so it would be very difficult to set the tool at anything other angle.

I have looked at the Glanze web site and this really has no help. I would appreciate any help.

Thanks

Bob
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22 July 2009 at 07:39 #16490
Robert Hodgkins
Participant
@roberthodgkins92224
22 July 2009 at 09:29 #42464
David Clark 13
Participant
@davidclark13
Hi There

Use as is on the flats.

Should be fine.

regards David
24 July 2009 at 16:08 #42508
Graham Horne
Participant
@grahamhorne65034
Hello Bob, while looking into inserts for some heavier than usual cutting I found this website which answered many questions about flip-flop inserts and negative/no rake .

http://www.metalwebnews.com/howto/toolholder/toolholder.html May help you. Graham
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