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  • Productimage for OPTIturn S 750
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Brandimage to Product OPTIturn S 750

CNC lathe

OPTIturn S 750

Convinces by high speeds, precision and efficiency as well as by the additional equipment like chip conveyor and C-axis. Including Siemens control 828D

Price upon request

Prices are recommended retail prices. Retailer prices may vary.

Art.-No. 3515170

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    • All axes with SIEMENS servo motors
    • Robust and heavy cartridge spindle system with a double-row cylindrical roller bearing at the front and rear, as well as a double-sided tapered bearing in the middle
    • Long service life for all bearings with permanent lubrication
    • Direct drive of all axes to eliminate torsional backlash or for greater accuracy with thread cutting and contour machining
    • Double preloaded hardened and precision ground recirculating ball screws for high rapid traverse speeds in all axes
    • Fast turret switching - loosening and turning process run practically at the same time
    • Turret switching is non-stop bidirectional
    • Programmable tailstock, in which the quill is activated with the pedal or in the program
    • Tailstock body can be positioned using the drive rod
    • Portable, electronic handwheel with enabling button and emergency stop impact switch facilitates retraction of programs considerably
    • Hydraulic tool changer from Sauter with driven tools
    • Automatic door opening with monitoring
    • Spindle internal cooling 20 bar
    • Coolant device
    • Heat exchanger
    • Bar loader interface
    • Chip conveyor in belt design ensures efficient chip removal
    • Chip carriage
    • Automatic Renishaw measuring arm for tool measurement
    • Programmable parts catcher is activated via M-Code


    The power pack in the compact class of CNC controls

    Increase in productivity and precision in production

    Robust hardware architecture and intelligent control algorithms as well as drive and motor technology in a class of its own ensure maximum dynamics and accuracy in processing.
    Extended software-controlled compensation functions ensure additional quality in surface machining and high machine tool availability.
    With SINUMERIK Operate, all machining technologies, from standard to complex, can be operated intuitively and with a uniform “look and feel”.


    • NC programming on the PC as on the CNC - same operation and programming
    • Work preparation already while the machine is still cutting: test, run in and simulate NC programs on the PC - less time stress on the machine
    • CNC education and training with exactly the same programming and user interface as in the workshop - without waiting “finally getting to it”, without the risk of breaking something - and with the option of doing preparations and follow-up work at home or on the go.


    • 10.4" color display
    • 4:3 format
    • User-friendly SINUMERIK Operate software
    • Front interfaces: USB 2.0, RJ45 Ethernet, Compact Flash (CF) Card
    • The 8 horizontal and 8 vertical softkeys allow you to access all operating masks with just a few keystrokes
    • Hard-wearing and robust


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

    Extended warranty

    With the extended warranty you protect your new machine against warranty damage for a further 12 or 36 months (only to be bought with purchase of machine).

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


    Functional safety also protects against high costs!

    Machine and system safety is not only important because strict regulations have to be observed. If everything runs safely, you benefit from time savings in engineering, higher system availability and more investment security.



    • MEEHANITE® cast
    • Cooling fins dissipate heat better to the outside


    • High rigidity and stability

    Machine bed

    • Cast from one piece
    • Heavily ribbed
    • 45 degree incline
    • High rigidity and durability
    • MEEHANITE® cast with hardness HB 170 – 180

    Machine feet

    • Six pieces
    • Optimal alignment of the machine


    • C-axis is the axis of rotation that controls the rotation of the spindle for precise positioning of the workpiece
    • It offers precise spindle indexing and a consistently stable low speed


    • Programmable
    • Robust design
    • High rigidity
    • Can be operated either via a program or by foot pedal

    Internal tool cooling

    • Pressure: 20 bar
    • Filter accuracy 25 µm

    Parts catcher

    • Automatically
    • Finished parts are transported from the main spindle to the finished parts container with the help of the parts catcher
    • This enables the careful removal of the finished parts


    • Preparation
    • Connection for bar loader

    Renishaw measuring arm

    • Significantly less time required to set up v on tools and workpieces
    • Less scrap due to setting errors
    • Breakage detection

    Chip conveyor trolley

    • Band version

    Foot pedal

    • For releasing and tensioning of the lathe chuck
    • Hydraulic extension or retraction of the optional tailstock quill


    Type of ControlSinumerik 828D Standard
    Sinumerik 828D system software (factory option)SW 26x
    CNC memory5 MB
    Look Ahead100
    Set change time2 ms
    Number of tools256
    Cooling lubricant system
    Coolant pump output750 W
    Tank capacity185 l
    Dimensions and weights
    Length approx.4614 mm
    Width/depth approx.1856 mm
    Height approx.2016 mm
    Weight approx.6500 kg
    Electrical connections
    Total rated value62.5 kVA
    Electrical Data
    Drive motor output30 kW
    Supply voltage400 V
    Mains frequency50 Hz
    Feed force
    Feed force X-axis6.9 kN
    Feed force Z-axis16.9 kN
    Feed speed
    X axis24000 mm/min
    Z axis24000 mm/min
    Hydraulic system
    Motor output1,5 kW
    Tank capacity70 l
    Machine data
    Chuck passage diameter77 mm
    Angled bed45 °
    Motor torque
    X axis11 nm
    Z axis27 nm
    Drive motor torque186 Nm
    Repetition accuracy± 0.005 mm
    Positioning accuracy± 0.005 mm
    Speed range
    Speed range10 – 3000 min¯¹
    Spindle chuckDIN ISO 702-1 No. 8
    Spindle bore/rod passage diameter88 mm
    ChuckMK 5
    Quill stroke120 mm
    Quill diameter90 mm
    Travel1150 mm
    Quill stroke actuationhydraulic
    Typehydraulic; Sauter VDI40 with tool drive
    Number of tool slots12 St
    Drive motor output4.82 kW
    Max. chuck height, width square25 x 25 mm
    Max. chuck diameter drilling rod32 mm
    Max. permissible speed at tool coupling4500 min¯¹
    Max. tool torque20 nm
    Vertical spindle
    Drive motor output continuous operation S130 kW
    Drive motor output S6-30 % operation45 kW
    Drive motor torque186 Nm
    Drive motor torque S6-30 % operation1064 Nm
    Work areas
    Lathe chuck diameter300 mm
    Lathe chuck actuation of clamping movementhydraulic
    Max. height300 mm
    Swing diameter above machine bed600 mm
    Swing diameter above planing slide450 mm
    Max. turning length with tool changer1250 mm
    Unit: pc(s).
    Packaging unit: 1

    • C-axis brake system
    • Programmable tailstock
    • Chip conveyor
    • Automatic tool measurement Renishaw
    • Coolant system
    • Chip cart
    • Portable electronic handwheel
    • Heat exchangers
    • Operating tool
    • Hydraulic tool turret VDI 40 Sauter
    • Bar loader interface interface
    • Parts catcher
    • Hydraulic 3-jaw chuck Ø 200 mm S 500
    • Spindle internal cooling CTS 20 bar
    • Automatic door opener
    • Hydraulic 3-jaw chuck Ø 250 mm S 750


    If a guarantee is shown in the article description and/or in the description of the scope of delivery, your legal rights of liability for defects towards your seller remain unaffected. For the scope, duration, content and the guarantor, please refer to the guarantee conditions. We are not liable for printing errors, mistakes or incorrect presentation. Technical and optical changes are reserved. Fig. partly with optional accessories. Delivery is made exclusively according to our terms of delivery and payment. The sale is carried out via the specialized trade.