Skip to content
PromashCall
1 / 6
All Optimum products

Brand: Optimum · Stürmer Maschinen, Germany

CNC lathe OPTIturn S 750, 400 V

Article no. 3515200CNC lathes

Length (product) approx.
5040 mm
Width/depth (product) approx.
1880 mm
Height (product) approx.
1840 mm
Net weight approx.
4600 kg
Turning diameter
500 mm
Lathe chuck actuation of clamping movement
hydraulic

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.5040 mm
Width/depth (product) approx.1880 mm
Height (product) approx.1840 mm
Net weight approx.4600 kg
Work areas
Turning diameter500 mm
Lathe chuck actuation of clamping movementhydraulic
Turning length1250 mm
Swing diameter above machine bed660 mm
Swing diameter above planing slide480 mm
Motor torque
X axis motor torque12 Nm
Z axis motor torque12 Nm
Speed range
Speed range30 – 3500 min¯¹
Fast motion speed
Rapid traverse Speed X-axis24 m/min
Rapid traverse Speed Z-axis30 m/min
Electrical Data
Supply voltage400 V
Mains frequency50 Hz
Precision
Repetition accuracy± 0.008 mm
Positioning accuracy± 0.004 mm
Hydraulic system
Hydraulic system motor output2.2 kW
Hydraulic system tank capacity36 l
Cooling lubricant system
Cooling lubricant system coolant pump output0.7 kW
Cooling lubricant system tank capacity320 l
Cooling lubricant system operating pressure1.8 bar
Machine data
Chuck passage diameter74 mm
Angled bed30°
Spindle
Spindle chuckA2-8
Spindle hydraulic lathe chuck250 mm
Main spindle bore86 mm
Tailstock
Tailstock chuckMT 5
Tailstock quill stroke100 mm
Tailstock quill diameter100 mm
Travel
Travel X axis280 mm
Travel Z axis1280 mm
Vertical spindle
Vertical spindle drive motor output continuous operation S115 kW
Verticle spindle drive motor output S6-30 % operation19.5 kW
Vertical spindle drive motor torque268 Nm
Vertical spindle drive motor torque S6-30 % operation349 Nm
Feed force
Feed force X-axis8.4 kN
Feed force Z-axis6.7 kN
Turret
Tool changer typehydraulic; Sauter VDI40 with tool drive
Tool changer number of tool slots12
Electrical connections
Total rated value35 kVA
Communicative
Front interfacesUSB 2.0, RJ45 Ethernet, Compact Flash (CF) Card

Features

  • Heavy-duty design
  • Compact design
  • Renishaw measuring arm for manual tool measurement
  • The entire bed design has many reinforcing ribs optimized by finite element analysis, ensuring high rigidity, better heat dissipation (thermal symmetry) and more accurate machining
  • Ball screw with improved accuracy, rigidity and heat resistance
  • .Siemens servo motors in all axes
  • All servo motors with integrated encoder for maximum accuracy
  • The motor is located on the side of the machine and prevents heat transfer and vibrations caused by the motor
  • Inclined bed design 30° for particularly large machining diameters
  • Better unhindered chip flow into the chip tray
  • Hydraulic three-jaw lathe chuck Ø 250 mm with soft jaws
  • Servo tool changer VDI 40 with 12 tool positions
  • Hardened and precision-ground ball screws for high rapid traverse speeds in all axes
  • Dimensionally stable linear guides ensure a long service life thanks to maximum static and dynamic rigidity
  • Parts catcher
  • Device for manual tool measurement
  • Tailstock with hydraulic quill
  • Heat exchanger
  • Portable, electronic handwheel with enabling switch and emergency stop switch makes it much easier to run in programs
  • Belt-type chip conveyor ensures efficient chip removal
  • Work light for complete illumination of the work area
  • Coolant device with cleaning gun
  • RJ45 , power interface
  • EMC (electromagnetic compatibility)
  • Additional package SIEMENS material liability for defects and free online/on-site service OSS Plus see "Additional package SIEMENS OSS Plus"
  • 1 year maintenance contract Basic included in D/A/CH
  • Convinces by high speeds, precision and efficiency as well as by the additional equipment like chip conveyor and C-axis. Including Siemens control 828D

16 function keys

  • The 8 horizontal and 8 vertical softkeys allow you to access all operating screens with just a few keystrokes

User-friendly

  • Full QWERTY keyboard
  • Hard keys with protective film
  • IP65 protection class

PPU 270 control unit

  • 10.4" color display
  • 4:3 format
  • User-friendly SINUMERIK Operate software

System software

  • PPU 271 SW 24
  • 3 MB CNC memory
  • 3 ms block change time
  • 50 Look Ahead
  • 128 tools

Complete package

  • Safety Integrated
  • Residual material detection and machining
  • ShopMill work step programming
  • Manage network drive
  • 3-D simulation
  • Co-drawing

Additional package SIEMENS OSS Plus

  • 12 months; article no. 3589020
  • 24 months; article no. 3589021
  • 36 months; article no. 3589022

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
4600 kg
Dimensions
4930 x 2220 x 2180 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 S 750, 400 V — add them to the order together with the machine.