Okuma, Nakamura-Tome, Tsugami?

[cedjeff]

I'm looking to purchase a new CNC lathe. Double spindle, double turret, y-axis, all the bells and whistles. Does anyone have any preference?
We are machining a small part under Ø .750" made out of Inconel 718. Volume is about 10k parts a year for the next five to six years.

 

[Ox]

Boy, that's a lot of machine for 10K EAU...

I've never ran Inconel, but given what it is, I am wondering if maybe the Tsugami may be a bit light on the live tooling for the app?

I'm sure either of the others would be fine, just depends on whether you like Okuma or Fanuc controls really.


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Think Snow Eh!
Ox

 

[crossthread82]

Swiss is your best bet. Run those 10k parts the first 3 weeks of the year and then use your then free machine to make more money the other 49 weeks of the year.

 

[Nerdlinger]

What does the part look like? A sketch with no critical dimensions shown would be very helpful. I see you’re in Westchester…Morris Midwest (Okuma and Tsugami distributor) is having their open house next week in Elgin or whatever. Check it out!

 

[Orange Vise]

What do you estimate tool life will look like cutting Inconel?

Twin turret machines are $$$. If you're going to drop that kind of coin, I'd take it just a bit further and get a Mill-Turn. Cycle times might actually be a little slower, but you'll avoid a lot of wasted labor by being able to prepare tooling offline.

 

[Ox]

What do you estimate tool life will look like cutting Inconel?

Twin turret machines are $$$. If you're going to drop that kind of coin, I'd take it just a bit further and get a Mill-Turn. Cycle times might actually be a little slower, but you'll avoid a lot of wasted labor by being able to prepare tooling offline.

Well, that that could be what the Tsugami is.
I looked at one at The Tool Show a while back, and it had a whole tool hive like an HMC.
So, if THAT is what he's lookin' at, then it would have a powered spindle, unlike forty-leven live toolholders.
That may be better?

But I am sure that it isn't going to be ANY cheaper than that Okuma!


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Think Snow Eh!
Ox

 

[mkd]

Tsugami can be had with Caron engineering monitoring. Probably pI'dossible with the others. I'd think mighty hard about this upgrade for difficult materials.
Does the cycle time and quantity justify a purchase?

 

[Mtndew]

What does the rest of your turning work look like? Is it small enough for a swiss? Large enough to justify the Okuma purchase? Assuming that the 10,000 parts will only be in that machine for a couple months at a time or less then I would get the machine that best complements the rest of your turning work.

 

[YoDoug]

Tsugami can be had with Caron engineering monitoring. Probably pI'dossible with the others. I'd think mighty hard about this upgrade for difficult materials.
Does the cycle time and quantity justify a purchase?

+1 on TMAC. We currently have it in 2 of 12 Okuma's and have it on order for 2 more. Once we get it fully implemented in those we will order it for 2 more machines.

 

[Ajrogers1988]

I would also be looking at Miyano. The BNX51msy acts like a twin turret machine by using superimposition and an x2 on the sub spindle. But they also have twin turret, twin spindle machines.