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Optimum L44 CNC

Machine is in the exhibition and was only used for demonstration purposes. Optiturn L44 CNC Premium CNC lathe direct from the manufacturer.

L44 CNC - The OPTIMUM Premium CNC milling machine with Siemens SINUMERIK 828D control is characterized by performance, speed, precision and long service life.

Dimensions and weights
Width/depth max. 2300 mm
Length approx. 2530 mm
Width/depth approx. 1595 mm
Height approx. 1795 mm
Weight approx. 2600 kg
Working areas
Lathe chuck diameter 150 mm
Lathe chuck Hydraulic control of the clamping movement
Center height 223 mm
Center width 850 mm
Swing diameter over machine bed 446 mm
Swing diameter in the bed bridge 520 mm
Swing diameter over cross slide 240 mm
Bed width 300 mm
Motor torque
X-axis 6 Nm
Z-axis 8.5 Nm
Speed range
Laedpfxsw Ea Tuj Ac Dek
Number of speed ranges 1
Speed range 10 - 3000 min¯¹
Electrical data
Drive motor power 7 kW
Supply voltage 400 V
Mains frequency 50 Hz
Electrical connection
Total connected load 23 kVA
Accuracy
Repeat accuracy ± 0.005 mm
Positioning accuracy ± 0.005 mm
Hydraulic system
Motor output 0.75 kW
Tank capacity 50 l
Coolant system
Coolant pump output 270 W
Tank capacity 90 l
Machine data
Chuck opening diameter 40 mm
Motor(s)
Torque drive motor 33 Nm
Tailstock
Mounting MK 4
Quill stroke 165 mm
Quill diameter 52 mm
Spindle
Spindle holder DIN ISO 702-1 No. 5
Spindle bore/bar passage diameter 52 mm
Control system
Type Sinumerik 828D PPU 240
System software SW 24
CNC memory 3 MB
Look Ahead 50
Block change time 3 ms
Number of tools 128
Travel distance
X-axis 250 mm
Z-axis 760 mm
Vertical spindle
Power drive motor continuous operation S1 7 kW
Power drive motor S6-30 % operation 16 kW
Drive motor torque 33 Nm
Drive motor S6-30 % operation 80 Nm
Feed rate Speed
X-axis 15000 mm/min
Z-axis 15000 mm/min
Feed force
Feed force X-axis 7.5 kN
Feed force Z-axis 5.3 kN
Tool changer
Hydraulic type; VDI 30
Number of tool positions 8 pcs
Mounting height, width square max. 20 x 20 mm
Boring bar mounting diameter max. 25 mm
SIEMENS SAFETY INTEGRATED
Equipment
Main spindle
- Solid design
Machine bed
- Heavily ribbed
- High rigidity and durability
Guideways
- Stable flat bed guide
Recirculating ball screw
- For high rapid traverse speeds in all axes
- Less wear and tear
- For high positioning and repeat accuracy
Cast body
- Hardened HRC48-52 and heat-treated
Machine feet
- Six pieces
- Optimum alignment of the machine
Heat exchanger
- Closed switch cabinet with intelligent cooling management
- Optimum temperature even at high outside temperatures
Tool changing system
- Eight tool stations
- Hydraulic VDI30 tool changer
- Pick-up height max. 20 mm
Hydraulic unit
- Motor power 750 W
- Tank capacity 50 liters
- Clamping pressure / operating pressure 2,500 - 2,942 kPa
Three-jaw chuck
- Hydraulic three-jaw lathe chuck Ø 150 mm
- Hydraulic loosening and clamping via foot switch
- Simple clamping of workpieces
- Hard and soft block jaws
Central lubrication system
- Automatic supply at intervals
- Reduces wear on bearings, ledges and ball screws
- With float switch. An acoustic signal sounds if the oil level is too low

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