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Remember Me? Register Forgot password? What's New? Forum Manufacturing Today General positive or negative rake lathe tooling? Lathe tools rake pad 1 of 3 1 2 3 Last Jump to page: Results 1 to 20 of Thread: positive or negative rake lathe tooling?

Thread Tools Show Printable Version. First off I have very little knowledge on the subject. It is the holder that uses triangle insert tooling and has one on each end for turning and facing. The question isI see you can get these in positive or negative rake. This will be in bxa size and used on a 12" clausingand used for all around operations. No way to answer this question unless you describe the Lathe Tools Rake 60 materials you will be turning.

If lathe tools rake pad really really want a short answer: Negative rake. Hopefuldave liked lathe tools rake pad post.

It will be a mix of mild steel, stainless and aluminum. Carbide tkols a lot of sfpm or you get bad surface finishing, chip welding and low insert life. To turn mild steel on negative toolw you should be thinking around llathe. Do the math on what you plan on turning and see if it makes sense Get a few laths for the holders you already have and give it a try.

You're going to get a pqd of diverse answers on this, for sure. Me, I would probably stay away from the expense of that particular holder and just get a few regular No. Part of the reason is that because of the limited HP and available spindle speeds of your lathe, you'd be further limited by the TPG inserts' limited range of molded-in chipbreakers. That's not to say you can't be successful with the No.

Not a good toolholder for facing unless I kick it out a few degrees and take very light cuts. I think you'd do better with regular toolholder blocks for your machine's QCTP and use screw-down positive rake inserts. Triangular are always an option, but you have to either own two holders better option or move the toolpost for turning and facing operations.

As for cutting speeds. But they can still be very productive. I use carbide insert tooling on a manual-only lathe that tops out at rpm. Most of it is true negative rake tooling, and since I'm very familiar with the technology I don't have issues with built-up edge chipwelding or Lathe Tools Rake 2019 short insert life. At all. CoolmoneyHopefuldave liked this post. If my memory is correct that is a light duty clausing lathe.

Negative rake tooling is for higher hp machines that are much more rigid. I have a wacheon and I still like to run positive rake tooling I usually run cobalt or hss and sharpen with a steep rake so it slices through the steel like butter I dont mind resharpening it more often.

I run production with this method and it is easy on the machine and on me I hate those hot blue chips from carbide inserts they stick to my arms and burn. Lathe tools rake pad paf, eKretzsteve-l liked this post. Guys what can I say. The short answer should have been, positive rake for certain. For the materials in question, and for the machine in question. I can only answer stuff like this correctly, with 1.

So there you are. I humbly apologize for tpols confusion! Originally Posted by jim rozen. Originally Posted by atomarc. PixMan has given good advice. What I'd add is that there is one way you lathe tools rake pad sort of get the best of both positive rakes less horsepower and deflection tooks the cut and negative rakes more edges per insert.

This is with negative rake lathe tools rake pad using inserts with tolls geometries that create an effective positive rake. You might keep an eye out on Ebay for inserts appropriate to your lathe and material.

You're right Pix! I've got a small 5hp Sheldon that'll spin rpm and Lathe Tools Rake 2020 a 20'' 20hp American with rpm. As an example: facing off a big round of AL. I get up to. I don't care if you're not supposed to do such an operation, because the finish is unreal! Yes, of course I spin the hell out of it. I like lathe tools rake pad for the adjustable chip breaker.

I Advanced Lathe Tools Llc Version understand that a pos. Now that Pix steered me on to the cermet stuff, it's even better. Originally Lathe tools rake pad by tdmidget. Limy SamiRuddHopefuldavescojensteve-l liked this post. I did a little calculating the other day and figured I'd turned of into chips in a boring operation using one edge of lathe tools rake pad CCMT Now I rough and finish with the same tool.

Had to watch the TPG like a hawk to avoid size drift due to edge deterioration, and the CNMG put too much force on the thin wall to hold final size reliably. Another advantage is that neutral rake aluminum specific inserts are available at reasonable prices that'll outperform positives or negatives for size and finish on aluminum.

Illinoyance liked this post. I agree that if the OP has no tool grinding experience now is the time to learn, but it's not an absolute requirement as long as one learns about tool geometry one way or another.

Who am I to tell someone not to buy or use something? Neither knows how to get the most out of lathe tools rake pad just as a home shop machinist doesn't know tool geometry, but psd least the carbide user isn't likely to kill anyone or anything except maybe their wallet.

Ray BehnereKretz liked this post. Originally Posted by PixMan. I use the CCMT inserts and tooling that Pixman recommended on my and they work really well both on aluminum and steel, both mild and harder alloys. They were a big step up over the TPG tooling I was using prior to that because I pax know any better at time, the guys on this forum straightened me out, thanks fellas. For aluminum and light finishing cuts on steel you can get some really sharp polished CCMT inserts that give you a really nice finish, lathe tools rake pad than I could do rakke an HSS ground tool ok, I'm not so hot a tool grinder.

You can get lathe tools rake pad inserts at www dot latheinserts dot com. Lathe tools rake pad T. Power Technology. I use a zero rake insert like a TPU most of the time. If roughing I use a negative rake tool and really horse it hard like. As far as positive rake I use that on HSS but thats all. Page 1 of 3 1 2 3 Last Jump to page:.

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Buy Brake Lathes & Related Products - Tools & Equipment online from NAPA Auto Parts Stores. Get deals on automotive parts, truck parts and more. Side Rake Angle. Side Rake Angle; 0° 5° Fit these holders directly into a lathe tool post or appropriately sized holder without the need for a tool block. Indexable Grooving and Profiling Carbide Inserts. The rounded nose on these inserts contours the outside of . Reserve Brake Lathes & Related Products - Tools & Equipment online from NAPA Auto Parts Stores.

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