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9K719

Horizontal soft-bearing Balancing machines 9K719 with load capacity from 100 to 10000 kg are designed for high-precision balancing of rotors of electric motors, pumps, compressors, blowers and exhausters, gearboxes, turbines of power engineering.

Self-aligning rollers ensure proper rotor alignment, simplifying setup and reducing balancing time.

Combined Drive System has a unique configuration with two axial drives and a belt drive mounted on a single bed.

Overall, this machine is highly versatile and effective in balancing various types of rotors, making it ideal for repair and production shops.


HIGHLIGHTS
• Soft-Bearing System: This system ensures linear sensitivity across the entire speed range during balancing. The result is exceptionally high balancing accuracy, achieving up to 0.04 g·mm/kg across all rotor mass ranges.

• Self-Aligning Roller Cassette automatically adjusts to the rotor along two axes, eliminating the need for precise centering. This design reduces machine setup time and, consequently, the overall time required for balancing.

• Wide Contact Area Rollers: The cylindrical rollers provide a broad contact surface, preventing scoring or deformation of the rotor's support surfaces. This is crucial when balancing heavy rotors for extended periods, minimizing the risk of damage due to prolonged contact or improper loading.

• Combined Drive System: Rotors of relatively low mass can be driven by “belt drive”, which makes the machine more versatile and allows balancing a very wide range of parts. Heavy rotors are rotated by "axial drive" using a cardan shaft.

• Rotor Jacks: Specialized loading devices can be integrated to ensure smooth and precise rotor placement onto the roller supports. This minimizes the risk of damage to the delicate roller assembly, particularly when handling heavy or sensitive rotors.

• High balancing accuracy due to automatic calibration of the balancing machine directly for each rotor by determining the influence coefficients. Its ease of use, high measurement accuracy, and integrated specialized features enable balancing professionals to achieve outstanding results in the shortest possible time.

• The frequency converter drive provides smooth acceleration and deceleration of the electric motor and infinitely variable speed control of the rotor.

• No need for special foundations and vibration isolation, no need to fix the machine to the floor.

SPECIFICATIONS
Weight range of balanced rotors 100 - 10'000 kg
Maximum rotor diameter (above the bedding) 2500 mm
Distance between centres of rotor supports 400 – 5600 mm
Support type Rollers
Transmission element for rotor rotation Belt / Cardan
Minimum achievable residual specific unbalance 0.4 g*mm/kg
Rotor speed range 300 – 1000 rpm
Electric motor power 30 kW
Parameters of the supply network 380V, 3 Ph, 50Hz

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