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Boring tools fitting question

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Bob Unitt 1	07/03/2020 12:23:58
323 forum posts 35 photos	I bought these boring tools on Ebay. When I fit them to my usual Dickson tool holder the flats on the boring-bar body set the replaceable tip at a considerable downward angle (see photo). Is this the way they're supposed to be when cutting, or do I need to make an angled adapter to hold them horizontal in the Dickson ?
Martin Connelly	07/03/2020 12:32:54
2549 forum posts 235 photos	Correct as shown. Gives clearance below the cutting point. Martin C
mechman48	07/03/2020 12:45:51
2947 forum posts 468 photos	Posted by Martin Connelly on 07/03/2020 12:32:54: Correct as shown. Gives clearance below the cutting point. Martin C Beat me too it; the tool tip should be on center line. George.
Bob Unitt 1	07/03/2020 15:19:36
323 forum posts 35 photos	Thanks. I tried both positions, and neither gave a particularly good finish. I'll try a different insert and see if that's any better.
Steviegtr	07/03/2020 15:34:52
2668 forum posts 352 photos	I have been doing quite a bit with the boring bar in stainless. It is only the 12mm size, but to get a good finish I have to take very shallow cuts. There are articles somewhere about how they flex. For instance run the bar in & then back out. Take it back in without adjusting & it may take more metal away. Also I only go through at a slow rate. Seem to spend more time taking the birds nests out of the hole once it gets deep. Only a learner myself but hope it helps. Steve.

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