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Brevini's range of mixer drives are planetary gear units modified to meet the operating requirements of water conditioners and of mixers in chemical, ceramic and paper producing industries. The mixer drives combine the traditional advantages of Brevini's planetary technology - compactness and high efficiency - with the characteristics of strength and reliability.
The flexibility of the mixer drive design provides users with a number of construction options, including in-line and right-angle configurations, and the facility to directly mount a motor to the gearbox via a flange. Alternatively, a male input shaft configuration may be used with connection effected by a flexible coupling or pulley.
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Brevini High Power gear units for medium and high power industrial applications combine the innovative technology and performance of Brevini’s latest S series range with the high quality and reliability of PIV Drives’ Posired series of right-angle gearboxes.
The result is a new series of right-angle gear units that has all the benefits of versatile output configurations typical of planetary gear units combined with the tested input safety of high quality right-angle gearboxes, a solution that is more efficient, quieter, more compact and offers a better price / performance ratio compared to ordinary gear units.
The application range of these new Brevini Power Transmission gear units includes a variety of ratios – from 1:75 to 1:660 – and a transmission capacity of up to 950 kW of power. These gearboxes are the result of the partnership and the teamwork between Brevini and PIV.
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This series of gear reducers with attached or integrated thrust bearing can be supplied in a helical or bevel helical gear arrangement. Quiet operation and strong design are key features. Horizontal or vertical mounting position, splash lubrication and cooling coil or injection lubrication are possible options. The modular design of the POSIREX is based on the POSIRED 2 range, plus a selection of available thrust-bearing parts.
Technical Data:
Torque (T2 nominal): 3,000 up to 800,000 Nm
Transmission Ratio: 4 up to 160 iN
Axial force: F = 50 up to 2,000 kN
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Gearboxes complete with reinforced output supports, integral pinion, static negative disc brake and input coupling for hydraulic motors; nominal output torques range from 4.100 Nm to 60.000 Nm.
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Double shaft extruder gears have been built by PIV Drives since 1984 for a variety of applications in the plastics and food industries. This product is in operation around the world to the complete satisfaction of our customer base. The gearing is case hardened and ground with a profile correction for optimal load-bearing performance and noise reduction. An extremely quiet gear-train is achieved through a high contact ratio. The axial forces which occur during the extrusion process are safely absorbed through a system of tandem bearings and self-aligning roller thrust bearings.
Technical Data:
Screw centre distance: a = 15 up to 200 mm
Input speed: up to 1,800 rpm
Torque factor: df = 35 Nm/cm3
Power: up to 5,500 kW
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