9D716P Pump balancing machine
The Model 9D716P is a universal balancing machine specializing in balancing parts for pumping equipment. These machines are part of the 9D series and are of similar design.
The machine has a high degree of versatility, which allows it to work with any parts with a weight not exceeding 1500 kg. Due to these properties, the machines of 9D716P series are very popular in the repair shops of many companies that operate pumping equipment. In addition, high productivity and the possibility of quick changeover of the machine have also been appreciated by pump equipment manufacturers engaged in small series and serial production.
The following operations can be performed on the machine:
- Single-plane balancing of pump impellers in dynamic mode;
- Two-plane selective balancing of the shaft assembly with pump impellers in dynamic mode;
- Balancing of the electric motor rotor assembly with the pump impeller in its own bearings;
- Quality control of pump impeller manufacturing;
- Quality control of shaft assembly with pump impellers;
- Search for the source of vibration at the shaft assembly with pump impellers and bearings (option);
- Checking of the unbalance value correspondence.
The 9D Series has a balancing accuracy of 0.4 g*mm/kg. This accuracy is sufficient for balancing all “rigid” rotors as required by ISO 1940-1 : 2003. Therefore, the machines are often used for balancing not only pumping equipment, but also parts and assemblies such as: precision grinding machine spindles, high speed spindle shafts of industrial equipment, pulleys, gears, technological mandrels, rotors and anchors of service equipment motors, etc.
- The horizontal axis of rotation of the parts during balancing allows for single-plane balancing of pump impellers using the process mandrels as well as double-plane balancing of shafts complete with pump impellers on one machine;
- The unique technology of the machine rollers assembly and their grinding technology “exact barrel” provides high precision of the balancing 0,4 g*mm/kg (by the special order 0,1 g*mm/kg);
- All units of the machine and the balancing system are designed for balancing all constructions and parts, providing a high degree of versatility. Great variety of products can be balanced on the machine;
- As an option, the machine can be equipped with “belt-drive” and “axial-drive”, with “unbalance correction module” and “jack for hammerless installation”, these additions will increase the functionality and reliability of the machine;
- The machine can be equipped with one of the two balancing systems, PB-02M (microprocessor balancing system) or PAK-1 (hardware-software complex, based on industrial computer with touch-screen). It is also possible to order a unique balancing system according to your requirements.
Features of the PAK-1 balancing system:
- Display of the angular position of the unbalance of the two planes on one screen in “real time” mode (pie chart and digital values) provides fast and qualitative analysis of the part behavior, allows to achieve perfect results;
- One minute self-calibration by the operator, guarantees high precision over the entire life of the machine and eliminates the time and expense of calling out a specialist;
- Static-momentum balancing is very effective on “single-plane” parts which are subject to thermal deformation after welding or where parts are out of alignment with respect to one another. It determines the magnitude of the “static” and “torque” components of unbalance and is only available on our machines;
- The distribution of unbalance into structurally determined points simplifies the balancing of parts which have limited unbalance correction points, e.g. impellers of pump impellers.
Main Specifications
| Parameters |
9D716P |
| Balancing rotors weight range, kg |
15 – 1500 |
| Maximum rotor diameter (over the bed), mm |
1800 |
| Rotor bearin journals diameter, mm |
40 – 230 |
| Distance between rotor bearing journal centers, mm, min/max |
360 – 3000 |
| Support type |
Rollers |
| Minimal achievable residual specific unbalance, gmm/kg |
0,4 |
| Rotor rotation speed range, rpm |
250 – 1200 |
| Drive type |
Frequency-controlled asynchronous electric drive |
| Electric motor power, kW |
7,5 |
| Drive gear type |
Belt |
| Equipment |
Balancing device |
| Bed length, mm |
3150 |
* The parameter can be changed as per the customer’s request
MACHINES CAN BE DELIVERED WITH
AXIAL (CARDAN) DRIVE PARTS;
A BELT DRIVE PARTS – OPTIONAL;
COMBINED – OPTIONAL.
| 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. |
