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testa_M5A7

testa_M5A7
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M5A/7 Continuous bi-rotary head The main feature of this continuous bi-rotary head is its reduced size making it particularly suitable for mounting on small or medium-sized machines for high-speed milling. Continuous control of the axes in RTCP makes the M5A head ideal for 5 axis machining, including undercut machining. To obtain the maximum possible accuracy, the B and C axes are both driven by brushless motors and the transducers are mounted directly on the axes. In addition, the axis kinematic chains have a crown gear - worm screw system with a variable pitch for compensation of backlash. The M5A/7 head is equipped with a spindle that rotates up to 32000 1/min and develops power of 7.5 kW. The head uses ceramic ball bearings and the housing incorporating the motor-cartridge is maintained at a controlled temperature by means of the continuous re-circulation of coolant. The minimum tool lubrication device is incorporated in the head.

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TECHNICAL DATA M5A/7 B axis travel ± 110° C axis travel ± 360° Max. B and C axis rotation speed 5000 °/min Max. B and C axis acceleration 1000 °/s² Positioning accuracy / repeatability B and C axes 5 / 4 arc-sec (VDI/DGQ 3441 and ISO 230-2 standards) Maximum power (S6 - 60% - 2 min) 7.5 kW Spindle rotation speed 3200 ÷ 32000 1/min Constant power range 16000 ÷ 32000 1/min Spindle external dimensions 135 x 135 mm Front bearing internal diameter 45 mm Spindle lubrication minimum air/oil Toolholder attachment HSK40E Toolholder release pneumatic piston Weight 150 kg M5A/7 - 32 kW 290 256 Power...

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