CNC stružnica

Optimum L44 CNC

The machine is on display and has only been used for demonstration purposes. Optiturn L44 CNC Premium CNC Lathe – direct from the manufacturer.

L44 CNC – The OPTIMUM Premium CNC lathe equipped with Siemens SINUMERIK 828D control stands out for its power, speed, precision, and long service life.

Dimensions and Weights
Max. width/depth: 2300 mm
Length approx.: 2530 mm
Width/depth approx.: 1595 mm
Height approx.: 1795 mm
Weight approx.: 2600 kg

Working Ranges
Chuck diameter: 150 mm
Chuck actuation: Hydraulic
Center height: 223 mm
Distance between centers: 850 mm
Swing over bed: 446 mm
Swing over gap: 520 mm
Swing over cross slide: 240 mm
Bed width: 300 mm

Motor Torque
X-axis: 6 Nm
Z-axis: 8.5 Nm

Speed Range
Number of speed ranges: 1
Speed range: 10 – 3000 rpm

Electrical Data
Drive motor power: 7 kW
Connection voltage: 400 V
Mains frequency: 50 Hz
Electrical Connection
Total connected load: 23 kVA

Accuracy
Repeatability: ± 0.005 mm
Positioning accuracy: ± 0.005 mm

Hydraulic System
Motor power: 0.75 kW
Tank capacity: 50 l
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Ball Screw
X-axis diameter: 25 mm
X-axis pitch P: 5 mm
X-axis accuracy class: C3
Z-axis diameter: 40 mm
Z-axis pitch P: 5 mm
Z-axis accuracy class: C3

Coolant System
Coolant pump power: 270 W
Tank capacity: 90 l

Machine Data
Bar capacity diameter: 40 mm

Motor(s)
Drive motor torque: 33 Nm

Tailstock
Taper: MT 4
Quill stroke: 165 mm
Quill diameter: 52 mm

Spindle
Spindle nose: DIN ISO 702-1 No. 5
Spindle bore/bar capacity diameter: 52 mm

Control
Type: Sinumerik 828D PPU 240
System software: SW 24
CNC memory: 3 MB
Look Ahead: 50
Block change time: 3 ms
Number of tool positions: 128

Travel
X-axis: 250 mm
Z-axis: 760 mm

Vertical Spindle
Continuous-duty drive motor power S1: 7 kW
Drive motor power S6-30% duty: 16 kW
Drive motor torque: 33 Nm
Drive motor torque S6-30% duty: 80 Nm

Feed Rate
X-axis: 15,000 mm/min
Z-axis: 15,000 mm/min

Feed Force
Feed force X-axis: 7.5 kN
Feed force Z-axis: 5.3 kN

Tool Changer
Type: Hydraulic; VDI 30
Number of tool stations: 8
Max. tool holder height/width (square): 20 x 20 mm
Max. boring bar holder diameter: 25 mm

• SIEMENS spindle and servo motors
• Fully enclosed with safety device
• Standard with max. spindle speed up to 3000 rpm
• Automatic central lubrication
• Swivelling operator panel
• Tailstock cover
• Electronic handwheels for X and Z axes
• Coolant system with 90-liter coolant tank
• RJ45 interface, USB port, and 230 V power outlet
• Electromagnetic compatibility (EMC)
• Six leveling feet
• Operator's tools

SINUMERIK 828D Basic COMPLETE PACKAGE
• Safety Integrated
• Remnant detection and machining
• ShopTurn step programming
• Manage network drives
• 3-D simulation
• Graphic tracking

Control
• 10.4" color display
• 4:3 format
• User-friendly SINUMERIK Operate software
• Front interfaces: USB 2.0, RJ45 Ethernet, Compact Flash (CF) card

Guideways
• Robust flat-bed guides

Ball Screw
• High rapid traverse speeds in all axes
• Reduced wear
• High positioning and repeat accuracy

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