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    9D716M Shredder shaft balancing machine

    The 9D716M belongs to the 9D series and has the same design, benefits and features as the other machines in this series. The machine specializes in balancing agricultural parts, particularly chopper shafts, so it is slightly different from the standard 9D.

    Machines of this model have an artificially low level of support sensitivity. This is due to the fact that they work more often with heavy parts, which have a large initial imbalance. In such cases, measuring a large initial unbalance is more useful than determining an accurate unbalance. In addition, agricultural machinery parts do not require high accuracy of measurement. A machine with reduced sensitivity is still accurate enough to be able to perform balancing to an accuracy class G1.

    The second feature of the 9D716M balancing machines is the “axial drive”. The design of the shredder shafts is very peculiar and the use of a “belt drive” can be problematic due to the risk of damage to the drive belt by the shredder blades. The “axial drive” is safer to use in this case as the torque is transmitted from the motor to the shredder shaft by means of a cardan shaft adapter which is fixed to the end of the shaft journal.

    Model 9D716M machines perform the following operations:

    • Single-plane balancing of “disk” type parts (pulleys, gears, discs, etc.);
    • Two-plane balancing of shaft-type components (shredder shafts, drums, beater, etc.)
    • Selective balancing (separator drum, combine rotor, fan rotor, etc.)
    • Quality control of the balance.

    Machines of this model are often used in the repair shops of farms that operate different agricultural machinery. Also this equipment is popular among manufacturers of agricultural equipment.

    • The ability to handle a large range of heavy parts with large initial imbalances not only allows you to cover all your balancing needs, but also to make good extra work on “outside orders”;
    • Adaptability of the machine to all working conditions and to parts of different sizes, weights and constructions;
    • Starting the measuring cycle at a speed of 400-600 rpm, we are able to work with details of low rigidity and considerable length, excluding the unintentional buckling caused by centrifugal force and gravity;
    • By special order the machine can be made in a combined design and contain both “axial” and “belt” drive. This will increase the versatility, functionality and reliability of the machine.

    Functions of the hardware-software complex PAK-1:

    • Calculation of “permissible unbalance” Calculation of “permissible unbalance,” “test weight” and “drilling depth” eliminates the need for complex mathematical calculations and leaves this to the computer;
    • “Vector averaging” reduces the measuring cycle and improves the quality of the balance by combining the differently directed unbalance vectors into one unbalance vector;
    • “Unbalance distribution on the n-plane correction” provides the ability to reduce the volume and weight of the correction weight by dividing it into several smaller weights. A useful function if the design of the part limits the use of oversized correction weights;
    • “Unbalance decomposition into constructional points” simplifies work with parts that are limited by their construction, e.g. the part has blades and the correction area is limited to them only;
    • “Creating and printing a report on the balancing performed” provides quality control of the performance of this operation and eliminates disputes related to the quality of assembly (or manufacture) of the balancing part and the performed balancing.

    Main Specifications

    Parameters 9D716M
    Balancing rotors weight range, kg 5 – 500
    Maximum rotor diameter (over the bed), mm 1300
    Rotor bearin journals diameter, mm 30 – 180
    Distance between rotor bearing journal centers, mm, min/max 200 – 2000
    Support type
    Minimal achievable residual specific unbalance, gmm/kg 0,4
    Rotor rotation speed range, rpm 300 – 1500
    Drive type Frequency-controlled asynchronous electric drive
    Electric motor power, kW 2,2
    Drive gear type Belt
    Equipment Balancing device
    Bed length, mm 1600

    * The parameter can be changed as per the customer’s request





    The operation manual on the machine with acceptance tests reports and the basic electric circuit 1 pc.
    The operation manual on balancing system 1 pc.



    High universality

    Service in the EU

    Short time measurement

    Low-cost maintenance

    Reliable and productive

    Quick payback time

    Design features of the machine

    The unique micro-tuning mechanism ® technology eliminates the “thread” effect (when the rotor moves axially) on the manure balancing machine 9D716M.

    The supports are set relative to the bed with a chain mechanical drive, this simplifies the setup process.

    The special design of the supports allows you to install the rotor without paying attention to its length, the only limitation is the width of the “drive belt” and the length of the bed. (By special order, the bed can be made under the rotor of any length).

    The “belt drive” has the patented LONG STROKE ® design which allows with just two drive belts to balance any rotor.

    An alternative to a “belt drive” is an “axial drive”, which uses a cardan shaft that is capable of transmitting large torque from the electric motor to the rotor. Such a drive is used for parts with high aerodynamic drag. The axial drive of all machines of the 9D series is equipped with a full-fledged quill.


    By special order, it is possible to order a combined version of the machine (with two drives: axial and belt).

    Belt drive provides versatility of the machine, large travel of tension pulley allows only one or two belts to be used. Belt installation does not require disassembly of the unit.

    All electrical equipment is located in the cabinet, the outer cables are in metal hose. The assembly matches CE standarts.

    Preconfigured frequency-controlled asynchronous electric drive allows control of the rotor speed, acceleration and deceleration process.

    Safe working conditions on the machine are provided by rigid stops, protective covers of the drive belt and rotating pulleys, safety interlocks, ergonomic controls, etc.


    Crankshaft Balancer 9D715US
    Crankshaft Balancer 9D715US
    Crankshaft Balancer 9D715US


    Digital system is based on an industrial fanless computer with a touch screen and a measuring unit.

    Set-up mode by “triple start-ups” method with the use of calibration weights on the serial rotors with initial unbalance.

    Calibration of the machine is made by the operator enabling to reach the maximum sensitivity of the machine, thus exempting from the duty to pay annual calibration fees.

    • Calculation of the balance tolerance values in default of technical documentation for the balancing product.
    • Value calculation of the correction test weights to simplify the tuning process for the balancing rotor.
    • Real-time balancing display, i.e. if there is any defect or a hindrance of a rotor, it’s visible immediately as fluctuation in measurement result.
    • View of unbalance value in grams, gmm, gsm, gmm / kg optionally.
    • Taking into account the eccentricity of the balancing mandrel.
    • Unbalance distribution on n-planes correction
    • Calculation of hole depth for correction of unbalance.
    • Possibility of decomposition of correcting weights into structurally conditioned anchoring points (blades, fans, slots).
    • Rotor balancing report creating and printing.
    • USB port for printer connection, USB-flash memory, port for connecting to local network and Ethernet network.
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