Tacchella Crossflex

    External cylindrical grinding machines for round, non-round and polygonal workpieces

    Tacchella Crossflex external cylindrical grinding machines combine the highest yield rates and flexibility in one machine. Crossflex external cylindrical grinding machines are equipped with a conventional grinding wheel (Ø 610 mm) or a CBN grinding wheel for high-speed cuts (Ø 500 mm). The workpiece headstock with built-in motor (C-axis) and the hydraulic tailstock for weights up to 150 kg between the centers allow the grinding of round, non-round and polygonal workpieces up to 1,600 mm long and 180 mm high (optional 250).

    INDUSTRIES

    Equal to any challenge – not only in these industries

    Construction equipment

    Versatile grinding of shafts and ring-shaped parts

    Automotive OEMs and Suppliers

    Production solutions for grinding processes on different shafts

    Pump manufacturers

    Safe and efficient production of parts

    ADVANTAGES

    HOW TO BENEFIT FROM TACCHELLA CROSSFLEX EXTERNAL CYLINDRICAL GRINDING MACHINES

    Enhanced performance

    The bed of the Crossflex external cylindrical grinding machine offers a monolithic structure made of stabilized cast iron. It is extensively ribbed and has peripheral channels to collect the coolant. The machine bed dampens the temperature fluctuations and the vibrations in the grinding process and guarantees an excellent dimensional quality of the milled workpieces.

    Maximum precision

    The universal workpiece holder head has a swiveling base and a device for micrometric configuration, so it is perfect for smooth grinding and grinding between the centers using fixed and rotating spindles. Precision bearings ensure minimum tolerances of less than 0.001 mm of roundness.

    Greatest flexibility

    Comprehensive accessories and grinding wheels on which profiles can be created enable copy-machining on strips up to 150 mm. The machine thus meets all requirements, including those in the machining of electric motors, molds, shafts and gear pumps. In small and large quantities, for multi-diameter machining or interpolations.

    Ideal ergonomics

    The tailstock has a hydraulic drive. It is equipped with a safety device for clamping between the centers and adjustment of the axle load. It also has a system for micrometric correction of a workpiece's cylindrical properties and a pneumatic aid to facilitate repositioning in the machine's setup phase.

    APPLICATION

    TOP PERFORMANCE FOR MAXIMUM PRECISION

    Tacchella Crossflex external cylindrical grinding machines are the high-precision and cost-effective grinding solution for round, non-round and polygonal workpieces up to 1,600 mm long and 180 mm high (optional 250).

    • Powertrain

      Drive shaft

      Use Tacchella Crossflex external cylindrical grinding machines for the efficient machining of different drive shafts without setup times. Benefit from CBN grinding wheels with 500 x 15 mm diameter at 120 m/s.

    • Transmission

      Input shaft

      Tacchella Crossflex external cylindrical grinding machines enable the efficient machining of different input shafts without idle times for retooling. Benefit from CBN grinding wheels with 500 x 15 mm diameter at 120 m/s.

    • Chassis

      Constant velocity joints

      Tacchella Crossflex external cylindrical grinding machines enable high-precision grinding of all external dimensions on constant velocity joints in a single operation. Conventional grinding wheels with 610 mm diameter are used at 63 m/s. 

    • Pumps

      Pump gear

      Tacchella Crossflex external cylindrical grinding machines with conventional grinding wheels (ø 610 mm at 63 m/s) enable high-precision grinding of the shaft ends on pump gears. Clamping occurs between fixed centers with a traveling support.

    • Chassis

      Wheel hubs

      Tacchella Crossflex external cylindrical grinding machines with conventional grinding wheels (ø 610 mm at 63 m/s) enable wheel hubs to be ground with high precision in a single setup using two angular positions for the grinding wheel headstock.

    • Transmission

      Worm shaft

      Tacchella Crossflex external cylindrical grinding machines with conventional grinding wheels (ø 508 mm at 63 m/s) enable high-precision grinding of worm shafts with minimum setup times.

    MACHINE TYPES

    THE RIGHT EXTERNAL CYLINDRICAL GRINDING MACHINE FOR EVERY REQUIREMENT

    Tacchella Crossflex external cylindrical grinding machines meet all requirements including the grinding of electric motors, molds, shafts and gear pumps – in small and large quantities.

    • Tacchella Crossflex RAS-M-1860
    • External cylindrical grinding machine
    •  
    • Tacchella Crossflex RAS-A-18110
    • External cylindrical grinding machine
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    • Tacchella Crossflex RAS-B-18160
    • External cylindrical grinding machine
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    GALLERY

    EXPERIENCE TOP PERFORMANCES

    Tacchella Crossflex external cylindrical grinding machines excel in every production environment in terms of performance, efficiency and product quality. Obtain gripping insights into our machines' work environment here.

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