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LATHES, COMBINATION, CNC Turning Centers

Daewoo Doosan #PUMA-240L, CNC lathe turning center, low hours, loaded w/tooling, excellent, 2004

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General Specifications


Manufacturer: Daewoo Doosan
Model: PUMA- 240L
Year: 2004
Stock #: 2365
Price: $30,500.00

Dealer Information


Rohner Machinery Sales Inc
2430 Cypress Way
Fullerton, CA 92831-5100

Contact: Chris Rohner
Tel: 714-441-1527
Fax: 714-441-1557
Email: mail@rohnermachinery.com

Gold Level Dealer Since 2000
Website: www.rohnermachinery.com

View our Equipment Listings

Detailed Product Description


Daewoo Puma 240L CNC Turning Center

Description:
In absolute excellent condition both working & cosmetically.
One of the cleanest & nicest Daewoos we've come across.
This machine comes loaded to the gills with options & accessories (list below)
Spindle & axes sound factory new and comes loaded with a Parts Catcher, Chip Conveyor, 10" 3-Jaw, A Turret FULL of Tooling & much more.
One owner machine. Only 4,600 run time hours!

Everything on this machine is in 100% working condition and comes with everything shown
Original Paint!
This machine was well taken care of. Backed by our 30-day return privilege.


Manufacturer: Daewoo
Model: Lynx 240L
S/N: CT3000669
Year: 2004

Specifications:
Swing over Bed Ways      22.41"
Max. Turning Diameter      16.5"
Max. Turning Length      23.6"
Turret Tools      12 Station
Bar Capacity      2.6"
Spindle Speed      6,000 RPM
Spindle Motor      25 HP
X-Axis Travel      14"
Z-Axis Travel      24"
Rapid Rate Z Axis      945 IPM
Rapid Rate X-Axis      945 IPM
Dimensions      133" x 65" x 68"
Weight      9,470 lbs


Equipped With:
Fanuc 21i-TB Series Control
Rigid Tapping
Tool Presetter
8" Hydraulic 3-Jaw Chuck w/ Spare Chuck Jaws
Parts Catcher
Live Center
PCMI Card Slot
Turbo Variable Speed Chip Conveyor
Programmable Hydraulic Tailstock & Quill
Footpedal (Chuck & Tailstock control)
Coolant System
Oil Skimmer
RS232 Port
(6) ID Tool Blocks
(6) OD Tool Blocks
Various Turret Tooling
Manuals, Spare Parts & Tools
220V, 3PH



In-depth Description:
CONSTRUCTION
BED:
The bed is a one piece Meehanite’ casting with a heavy ribbing to prevent deformation and twisting. The Meehanite cast process produces a fine grain casting with excellent vibration dampening characteristics. The spindle motor mounts under the rear of the bed to maintain a very compact foot print. The slant angle of the cross slide allows chips to fall downward into the chip pan.

GUIDEWAYS:
All guideways are wide wrap-around rectangular type for unsurpassed long-term rigidity and accuracy. The guideways are widely spaced to ensure stability. Each guideway is induction hardened and precision ground. Induction hardening ensures a more consistent hardness and depth of hardness than the less expensive flame hardening process. A fluroplastic resin called Rulon’ 142 is bonded to mating way surfaces and then hand scraped for perfect fit and center height. This material provides a low friction surface which virtually eliminates guideway wear. It also provides vibration dampening for better surface finishes. Rulon’ 142 has superior deformation, wear, and friction characteristics compared with other brands. Friction rate decreases as loads increase. The bed guideways are fully protected by one-piece heavy gauge stainless steel covers on both sides of the carriage.

BALL SCREWS AND AXIS DRIVES:
Each axis is driven by a large diameter double-nut ball screw. The high precision Tsubaki ball screws have been specifically selected to achieve the outstanding combination high accuracy, high rapid traverse rates and high feed thrust. Both ball screws are supported on each end. The X axis ball screw is double anchored and pretensioned for accurate positioning and thermal stability. The thrust bearings are precision class P4 (AFBMA-B7) angular contact type. Ball screws are centered between the guideways and are directly mounted to the A.C. servo motors without intermediate gears or belts to minimize backlash. The Z axis servo motor is mounted on the headstock end of the ball screw. The Z axis delivers up to 2,520 pounds of feed thrust. Each axis has a flexible coupling to protect the ballscrew and minimize damage in the event of a crash. Upon impact, the coupling absorbs the shock until the servo motor overloads. The coupling resets automatically.

SPINDLE AND HEADSTOCK:
The robust headstock casting is mounted on the plane as the tailstock to maintain perfect alignment and center height regardless of the bed temperature. The headstock has ribs on the outside of the casting to increase the surface area for heat dissipation. The heavy duty cartridge type spindle is supported by double row cylindrical roller bearings in the front and rear, and duplex angular thrust bearings in between. Cylindrical roller bearings feature a large contact surface which ensures the highest rigidity for heavy loads and high surface finishes. All spindle bearings are precision class P4 (AFBMA-B7) and are permanently grease lubricated.

SPINDLE DRIVE:
A high-torque spindle motors on the 21TB and M64AL systems provide full power over a wide speed range. The spindle motor is flange mounted on the side of the bed casting, assuring perfect alignment with the headstock. The gear-less spindle drive design requires no maintenance and eliminates the possibility of vibration to ensure the highest surface finishes.


TURRET:
The turret features a large diameter Curvic coupling significant hydraulic clamp force. This heavy duty design provides unsurpassed rigidity for fine surface finishes, long boring bar overhang ratios, and extended tool life. Indexing repeatability is  .0005 degree. Turret rotation, deceleration and clamp are all controlled by a reliable high torque NOK hydraulic Index Motor. Unclamp and rotation are virtually simultaneous. Turret indexing is non-stop bi-directional, with a 0.12 second next station index time. The turret position is determined and confirmed by rotary encoder and clamp is confirmed by proximity switch. The large diameter turret enables tools to clear the standard chuck.* Standard turning tool holders utilize 1" square shank tooling and boring holder capacity is 1.5". Holders are interchangeable from station to station. A U-drill holder is provided to eliminate external piping of insert drills. Turning tools are securely attached to the turret by wedge clamps. Wedge clamping systems provide a wide clamping surface and are inherently more rigid than bolt clamping systems.

TAILSTOCK:
Widely spaced guideways and heavy-duty design of the tailstock body ensure ample rigidity for both slender and heavy shafts. The quill diameter is 2.6". The quill stroke of 3.1" is activated by hand switch or program. A precision, heavy-duty Morse #4 live center is provided as standard equipment

TOOL SETTER:
The tool setter reduces set-up time by minimizing the need for manual skim cuts, measurement, and entering of tool offsets. The tool setting arm mounted next to the chuck is manually lowered for setting tool offsets. The arm is made of steel to minimize thermal expansion. A four-position touch sensor mounted on the end of the arm allows tool setting in any direction. As tools are touched-off on the sensor, tool offset values are automatically calculated and entered. After tool offsets are set, the arm is lifted back to it?s resting position and secured with a latch.

LUBRICATION:
Automatic forced lubrication is provided to all guideways, ball screws, and the tailstock quill. Maintenance free piston distributors deliver a precise quantity of oil to each lubrication point. The piston distributors are non-clogging and the design allows way lube consumption to be minimized. The 1/2 gallon reservoir, mounted on the front of the machine, lasts up to 100 hours. A low-level alarm prevents machine from restarting until oil reservoir is replenished. System pressure is monitored to detect open or broken lube lines.

COOLANT SYSTEM:
A 1.5 Hp high capacity multistage centrifugal pump delivers a high volume coolant through the turret to ball nozzles at each turret station. The pump delivers up to 65 PSI of pressure, meeting the requirements of most insert drill manufacturers. The high pressure flushes chips out of the drilled holes and reduces the need for time consuming peck drilling cycles. High coolant pressure also significantly increases tool life. A flow control valve located at the coolant pump allows pressure and flow rate to be reduced if necessary. An optional 145 PSI pump is available. The large coolant tank has a 38 gallon capacity. The chip pan slides out for easy cleaning.

WAYLUBE SEPARATION SYSTEM:
A belt oil skimmer picks up waste oil from the coolant reservoir and deposits it into a separate external tank. As a result the coolant is kept clean and coolant life is extended. Waste oil tank can be conveniently drained. A sight glass indicates when the used oil should be drained.

CHIP GUARDING:
Chips and coolant are contained by the fully enclosed guarding made of heavy gauge sheet metal. The door moves effortlessly on a round steel rail. The double-layer viewing window features tempered safety glass on the inside that resists scratching and an outside layer of lexan, which is virtually impenetrable.

QUALITY COMPONENTS:
Only the highest quality components are used on each Lynx turning center. Each component has been selected only after rigorous quality and reliability testing. Ball screws are manufactured by Tsubaki, spindle bearings by NTN, and axis thrust bearings by NSK. Hydraulic solenoids, flow controls, and regulators are made by Parker Hannifin. The hydraulic power unit, manufactured by Daikin, is extremely compact and very quiet (less than 60 db). It also maintains a low oil temperature which minimizes thermal distortion of the turret and tailstock. Key electrical components such as circuit breakers and contactors made by Siemens are both UL listed and CSA approved. Mitsubishi M64AL and Fanuc 21TB control packages have been selected for their outstanding combination of performance and reliability.