Sigma FLEXI

    Vertical simultaneous machining center

    Sigma Flexi vertical machining centers have a movable work table and five simultaneously controlled axes to offer universal application options. This 5-axis machine is suitable for both small and large series of complex workpieces that have to be produced in a single setup. From machinery/ general engineering to mold and die making.

    INDUSTRIES

    Equal to any challenge – not only in these industries

    Foundries

    Versatile and powerful 4-axis and 5-axis machining

    Power generation

    Precise pre-machining and finishing of complex free-form parts

    Hydraulics / pneumatics

    Advanced solutions for the machining of compressors, housings and other parts

    ADVANTAGES

    HOW TO BENEFFIT FROM SIGMA FLEXI VERTICAL MACHINING CENTERS

    Maximum precision

    The movable work table on the Sigma Flexi vertical machining center that travels along the X-axis enables top workpiece precision and quality. Precision and position repeatability is increased even further by automatic compensation for temperature drifts on the spindle and linear axes using sophisticated sensors.

    Top performance

    Motor spindles developed in-house ensure the highest performance (33 kW), torque (235 Nm) and speed (19,000 rpm) with a long service life. The machine's structural design permits outstanding strength for extreme utilization of its spindle's power and torque.

    Ideal yield rates

    The tool magazines on a Sigma Flexi vertical machining center are structurally independent of machine movements. This enables tools on the chain to be easily and safely checked and replaced without interrupting the machining cycle.

    Safe tool changing

    Sigma Tool Check, an electronic device near the tool loading and unloading system, permits the tool magazine and tools to be fetched, assigned and managed. Direct connection with the CNC controls ensures uninterrupted machining cycles.

    APPLICATIONS

    TOP PERFORMANCE FOR MAXIMUM PRECISION

    Five CNC functions on Sigma Flexi vertical machining centers enable dynamic configuration during milling: standard machining, heavy roughing, finishing, high precision and machining speed.

    • Turbine

      Turbine

      Sigma Flexi vertical machining centers can machine the blades on Pelton turbines with top performance, precision and overall efficiency whilst ensuring premium part quality. 

    • Turbine

      Impeller

      Vertical Sigma Flexi machining centers enable powerful, precise and efficient machining of impellers on turbines with the highest part quality. 

    • Transmission

      Reduction gear

      Sigma Flexi vertical machining centers are the ideal solution for powerful, precise and efficient machining of worm screw reduction gearboxes.  

    • Miscellaneous

      Die making

      Sigma Flexi vertical machining centers are inspiring, among other things, in their powerful, precise and efficient machining of tool inserts for sheet metal forming.

    • Miscellaneous

      Die making

      Continuous 5-axis interpolation makes Sigma Flexi vertical machining centers the ideal solution for powerful, precise and efficient machining of complex surfaces in die making. 

    • Miscellaneous

      Die making

      Vertical Sigma Flexi machining centers enable 5-axis high-speed finishing of tools for top surface quality regarding NURBS and roughness. And with high precision and overall efficiency. 

    • Miscellaneous

      Tool

    • Turbine

      Blisk (blade integrated disc)

    • Turbine

      Compressor housing

    • Turbine

      Turbine blade

    • Bogie

      Brake carrier

    • Bogie

      Brake disc

    • Body / frame

      Chair frame

    • Chassis

      Brake caliper

    • Chassis

      Axle beam housing

    • Chassis

      Trailing arm

    • Chassis

      Trunnion leg

    • Chassis

      Side brace (lower & upper arm)

    • Structure

      Mid-sized aluminum part

    • Structure

      Stringer splice

    • Structure

      Door hinge

    • Structure

      Door latch spool

    MACHINE TYPES

    THE RIGHT MACHINING CENTER FOR EVERY REQUIREMENT

    Vertical Sigma Flexi 5-axis machining centers are impressive due in part to their innovative protective devices that ensure a maximum degree of ergonomics. From easy loading and unloading of workpieces to optimum fume and chip removal and convenient maintenance.

    • Sigma FLEXI 3S
    • Vertical machining center
    • 3-axis machine: X-axis 1,250 mm; Y-axis 800 mm; Z-axis 715 mm
    • Sigma FLEXI 3M
    • Vertical machining center
    • 3-axis machine: X-axis 1,600 mm; Y-axis 800 mm; Z-axis 715 mm
    • Sigma FLEXI 3L
    • Vertical machining center
    • 3-axis machine: X-axis 2,100 mm; Y-axis 800 mm; Z-axis 715 mm
    • Sigma FLEXI 5S
    • Vertical machining center
    • 5-axis machine: X-axis 1,250 mm; Y-axis 800 mm; Z-axis 950 mm
    • Sigma FLEXI 5M
    • Vertical machining center
    • 5-axis machine: X-axis 1,600 mm; Y-axis 800 mm; Z-axis 950 mm
    • Sigma FLEXI 5L
    • Vertical machining center
    • 5-axis machine: X-axis 2,100 mm; Y-axis 800 mm; Z-axis 950 mm

    GALLERY

    EXPERIENCE TOP PERFORMANCES

    Sigma Flexi vertical machining centers excel in every production environment in terms of performance, efficiency and product quality. Obtain gripping insights into our machines' work environment here.

    DOWNLOAD CENTER

    IMPORTANT FACTS OF SIGMA FLEXI VERTICAL MACHINING CENTERS

    Product brochures

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