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All Optimum products

Brand: Optimum · Stürmer Maschinen, Germany

CNC lathe OPTIturn L 44, 400 V

Article no. 3514330CNC lathes

Length (product) approx.
2530 mm
Width/depth (product) approx.
1595 mm
Height (product) approx.
1795 mm
Net weight approx.
2600 kg
Max. width/depth (product) ca.
2300 mm
Turning diameter
150 mm

Price on request

If the machine is not in the showroom, the delivery time is 7 working days. We confirm availability when we accept the order. Delivery times

Call
  • Official importer of Stürmer Maschinen
  • Warranty and out-of-warranty service
  • Delivery by arrangement
  • Technical experts at your disposal

Technical specifications

Dimensions and weights
Length (product) approx.2530 mm
Width/depth (product) approx.1595 mm
Height (product) approx.1795 mm
Net weight approx.2600 kg
Max. width/depth (product) ca.2300 mm
Work areas
Turning diameter150 mm
Lathe chuck actuation of clamping movementhydraulic
Center height223 mm
Distance between center850 mm
Swing diameter above machine bed446 mm
Swing diameter in bed bridge520 mm
Swing diameter above planing slide240 mm
Bed width300 mm
Motor torque
X axis motor torque6 Nm
Z axis motor torque8.5 Nm
Speed range
Number of gears1
Speed range10 – 3000 min¯¹
Electrical Data
Drive motor output7 kW
Supply voltage400 V
Mains frequency50 Hz
Precision
Repetition accuracy± 0.005 mm
Positioning accuracy± 0.005 mm
Hydraulic system
Hydraulic system motor output0.75 kW
Hydraulic system tank capacity50 l
Cooling lubricant system
Cooling lubricant system coolant pump output270 W
Cooling lubricant system tank capacity90 l
Ball screw
Ball screw X axis diameter25 mm
Ball screw - X axis pitch P5 mm
Ball screw X axis precision classC3
Ball screw Z axis diameter40 mm
Ball screw - Z axis pitch P5 mm
Ball screw Z axis precision classC3
Machine data
Chuck passage diameter40 mm
Spindle
Spindle chuckDIN ISO 702-1 No. 5
Spindle bore52 mm
Tailstock
Tailstock chuckMT 4
Tailstock quill stroke165 mm
Tailstock quill diameter52 mm
Travel
Travel X axis250 mm
Travel Z axis760 mm
Vertical spindle
Vertical spindle drive motor output continuous operation S17 kW
Verticle spindle drive motor output S6-30 % operation16 kW
Vertical spindle drive motor torque33 Nm
Vertical spindle drive motor torque S6-30 % operation80 Nm
Feed speed
X axis feed speed15000 mm/min
Z axis feed speed15000 mm/min
Feed force
Feed force X-axis7.5 kN
Feed force Z-axis5.3 kN
Turret
Tool changer typehydraulic; VDI 30
Tool changer number of tool slots8 pcs.
Tool changer max. chuck height, width square20 x 20 mm
Tool changer max. chuck diameter drilling rod25 mm
Electrical connections
Total rated value23 kVA
Motor(s)
Drive motor torque33 Nm
Control
Type of ControlSinumerik 828D PPU 240
Sinumerik 828D system software (factory option)SW 24
CNC memory3 MB
Look Ahead50
Set change time3 ms
Number of tools128
Front interfacesUSB 2.0, RJ45 Ethernet, Compact Flash (CF) card
Other features
OPTIMUM PREMiUM CNC lathe that sets standards in terms ofspeed, power, precision and service life

Features

  • Spindle and servo motors from SIEMENS
  • Full enclosure with safety device
  • As standard with a maximum spindle speed of 3000 rpm
  • Automatic central lubrication
  • Swiveling control unit
  • Tailstock cover
  • Electronic handwheels for the X and Z axes
  • Coolant device with 90 liter coolant tank
  • RJ45 plug connection, USB connection and 230 V power connection
  • EMC (electromagnetic compatibility)
  • Six leveling feet
  • Operating tools

SHOPTURN

  • Shortest programming time for the production of individual parts and small series

COMPLETE PACKAGE

  • Safety Integrated
  • Residual material detection and processing
  • ShopTurn work step programming
  • Manage network drive
  • 3-D simulation
  • Simultaneous drawing

Control

  • 10.4" color display
  • 4:3 format
  • User-friendly SINUMERIK Operate software
  • Thanks to the 8 horizontal and 8 vertical Softkeys can be accessed with just a few keystrokes in all operating masks
  • Durable and robust

Extended warranty

  • 12 months; Article No. 3589020
  • 36 months; Article No. 3589022

Main spindle

  • Solid design

Machine bed

  • Heavily ribbed
  • High rigidity and durability

Guides

  • Stable flat bed guides

Ball screw

  • For high rapid traverse speeds in all axes
  • Less wear
  • For high positioning and repeat accuracy

Cast body

  • Hardened HRC48-52 and heat-treated

Machine feet

  • Six pieces
  • Optimal alignment of the machine

Heat exchanger

  • Closed control cabinet with intelligent cooling management
  • Optimal temperature even at high outside temperatures

Tool changing system

  • Eight tool places
  • Hydraulic VDI30 tool changer
  • Mounting height max. 20 mm

Tailstock

  • Generously dimensioned
  • Slide with ball screw spindle and pretensioned nut

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 release and clamping operated by foot switch
  • Easy clamping of workpieces
  • Hard and soft block jaws

Central lubrication system

  • Automatic supply at intervals
  • Reduces wear on bearings, strips and ball screws
  • With float switch. If the oil level is too low, an acoustic signal sounds

Handwheels

  • Joystick for moving the X, Z-axis
  • Handwheel for manual movement of the X-axis and Z-axis
  • Emergency stop impact switch
  • Acknowledgment switch

Coolant tank

  • Pull-out chip tray
  • Pull-out coolant tank
  • Level indicator
  • Tank capacity 90 liters

Foot pedal

  • For loosening and clamping the lathe chuck
  • Hydraulic extension or retraction of the optional tailstock quill

Scope of delivery

  • Tailstock end cover
  • Portable electronic handwheel
  • 6 pcs. machine feet
  • Hydraulic tool turret 8 tools
  • EMC joystick heat exchangers

Faster from drawing to component. Easy transfer of the CAD data into the programming by DXF-READER (optional article no. 3584014).

The data comes from the product description. To clarify a parameter, call +359 882 477 388.

Delivery, warranty and service

Delivery by arrangement

  • Products in stock: delivered on the same day or on the next working day after the order is confirmed.
  • Products not in stock: the delivery time is 7 working days, unless one of our staff specifies otherwise.
  • Pigeon Express carries shipments of up to 400 kg. For this machine we agree the delivery method and price with you when we confirm the order.
Shipping weight
2600 kg
Dimensions
2530 x 2300 x 1795 mm
Delivery terms

Warranty

“The warranty period is 24 months for all private individuals and 12 months for all legal entities, unless stated otherwise in the product description.”

Promash provides a warranty in accordance with the manufacturer's terms.

Frequently asked questions

Service and advice

Warranty and out-of-warranty service. Technical experts at your disposal for choosing a machine, commissioning and training.

Call: +359 882 477 388

Accessories for this machine

The original Stürmer accessories and options for CNC lathe OPTIturn L 44, 400 V — add them to the order together with the machine.