Daewoo vs Okuma lathes

[sr71a]

Hi everyone, I'm new to the board and I need some help.
I'm going to be buying my first CNC lathe and I'm wondering if anyone has had any experience with Daewoo or Okuma. I know the Okuma is a better machine but is it worth $18,000 more? I'd like to get the Okuma but the price is the only thing that is stopping me. Any help would be appreciated.

Thx

[brtlatjgt]

Been machining for about 20 years now and of the 3 places I've worked we've always had Okuma's. They are in a word--reliable.
The only time we've ever had to have them worked on is when somebody has a bad day!

Never been around any Daewoo's so really can't say about them..

If you can afford the extra $18,000 I,d say you'd probably be better off with an Okuma. I know one thing for sure---you wouldn't be disappointed with the quality or the performance of the Okuma.

Sometimes though we have to let our decisions take a back seat to our pocketbook!

[fjd]

Hello sr71a my first question back at you is

1. What control on each machine?
2. Are they the same horse power?
3. Do they have tail stock if so are they porgramable?
4. How much program storage space?
5. Are the going to be networkable?
6. How are you going to program them online or off?

Now for what we have needed here the Daewoo with all the bells
and whistles would be a better buy

[mrainey]

I'd be willing to bet that after five years, your total cost (purchase, repairs, downtime profit losses, etc.) would be less with the Okuma.

[Kool Parts]

One of my former employes ran Okuma's for several years on some incredible parts. He loved them. My question would be which one are you looking at. I know Okuma like many other company's are making some "lesser" models. Gary

[cncmek]

I used to work for a distributor that sold Daewoo as a service engineer. They are a pretty good machine. If the price dif. is only 18k then it sounds like you are looking at what someone earlier called a " lesser " modle. IMHO Okuma several years ago was very good. There new stuff is not as good as their old. Also, there support not exactly top notch ( speaking of the factory, not an individual distributor ) Both lines are capable of making good, precise parts. Things you need to consider are...

Controls - Daewoo for the most part uses Fanuc and standard G-code. Okuma has their own control and uses its own type of conversational programing.

Parts and support - Fanuc parts are easy to get and has good support for both applications and machine issues. You have a problem with an Okuma you deal with them for all issues.

The conversational vs. G-code issue is an important thing to consider. If this is your first CNC you will most likely be choosing the path your shop is going to follow as most places like to programing and operations consistant.

On another side note as far as quality concerns go when I was at the Daewoo factory in Korea I noticed machines on the production lines that did not familar, I thought i was loooking at a new modle that had yet to be introduced. Turns out that Daewoo manufactures the smaller 4 axis lathes for Okuma

Both machines are capable, you biggest issues I think are what I listed. Control types, parts and service and consistancy in your shop. Hope this helps some.

[sr71a]

Thx for the quick responses guys. I'm looking at the Daewoo Puma 240 B with fanuc control, 25 hp, programmable quill.
I have more specs in the quote at home.
heres a link http://www.daewoomt.com/turning/hori..._horz_menu.htm

The Okuma is the cheaper line, it's and ESL10. 10" chuck 2.76 thru spindle 20 hp but has 460 lbs of torque. Dead quil, okuma control.

http://www.okuma.com/product_page.as...=ES-L%20Series

I'll be programming with mastercam since I've always programmed our CNC mill with it. I'm so used tro it don't know if i'd like to program at the machine. Also, I've never used a lathe in my life so I'll have to learn it.

thx again

[fjd]

Looks like you will like the Daewoo.
Now you can take every one out to lunch with the 18,000
you saved

[sr71a]

CNCMEK, so, are the smaller Okuma's like the one I am looking at, are made in the daewoo plant? If so maybe I should look at getting a Daewoo 4 axis lathe?

[cncmek]

sr71a, I have been away from the Deawoo line for a couple of years so I don't have the latest intel on them. A cuople of years ago I would not have recomended them. As with all new modles you should wait a year or so to make sure all the bugs are worked out. by now they may be alright, but I do not know for a fact. The 240B should be a good lathe for you if I remember right a few years ago they renamed the 230 line 240. The 230s were solid machines except for the ones with subspindles. By now I'm sure those have been rectified also. Also I would avoid any lathe with a "Y" axis unless you are spending a ton dough for it. As for a 4 axis lathe if you are creative there is a LOT that can be done without a 4th axis. That is something you will have to look at is where you expect to be going with the parts you're making and if the need will be there.

[sr71a]

There is a part I am looking at making that needs to have a hole drilled in the side of it. It's a 1.25 bar turned down, and has a .187 dia hole thru the side of it. If i get a 2 axis I will have to drill and chamfer the holes by hand and there will be upwards of 20,000 pieces so I think I'd go crazy drilling them. Thx for the help, If I only I were rich. LOL

[RODMAN]

I have owned, programed and operated both Okuma and Daewoo lathes. I still own some Okumas. If I am spending my money, it will be Okuma next time too. MTBF is fantastic and if you do per chance need a part it is available overnite from Charolette. NC. They are easy to program on and off the machine. i would sooner have a used Okuma than a new Daewoo