Universal Testing Machines Manufacturers

Sunday, February 04, 2007

Dynamic Balancing Machine

FUEL INSTRUMENTS & ENGINEERS PVT. LTD.

Manufacturer of Dynamic Balancing Machine

Dynamic Balancing Machine

Dynamic Balancing Machine

Machines Model HDM are horizontal type universal hard bearing balancing machines provided with Microprocessor based measuring panel HDM-8500 for balancing different shapes of rotors like rotors of electrical machines, crankshafts, cylinders, gas compressors, flywheels, turbine rotors, rotors of centrifugal pumps and any other type of rotors of rotating machines.

These machines features a very simple operation. The working cycle is fully automatic. From safety point of view a double press push button starts machine, measures and stores, the unbalance values on DPMs for two planes simultaneously and stop machine ( with brake if machine is provided with electrical breaking facility.) The measuring cycle general is less than 10 seconds for normal rotors which can be accelerated within 5 seconds.

To have smooth and gradual acceleration models HDM - 3,000/- 7,000/- 10,000/- 20,000/-are provided with slipring motors in order not to have damage to drive couplings as well other rotating parts in drive systems like gears etc. The starting of these machines is done manually by cutting resistances of starter in 4 to 5 steps.

key-board facility provided on measuring panel for correct data feeding of rotor with 1 digit accuracy for itsdimensions like A, B, C, R1 & R2. Tolerance limits of both correction plans i.e. tl1 and tl2 can be fed, so that when rotor is balanced within the limits respective LEDs glowup, indicating no further correction necessary. For other details please refer 'Features of Measuring panel HDM-8500'.

The usable length of machine is established according to the longest roter to be balanced.Extension beds can be supplied on request, which can be dded to standard bed of machine. It is also possible to install an additional bed ( Gap bed ) with a pit between this bed and standard bed of machine in order to balance rotors having its outside diameter exceeding swing over standard bed. Models HD-7,000- 10,000/ 20,000 are provided with fixed separate drives and hence gap-bed design is not possible.


STANDARD FEATURES

1) Digital display for unbalance indication Amount and angle of unbalance for both planes displayed on separate DPMs. Hence linear accuracy is very goos as compared to analog meter + /- 1 digit for amount and +/-1 degree for angle.

2) Digital display for RPM indication A DPM is provided to indicate balancing speed continuously as a standard feature.

3) Auto Stop No necessity to stop machine once started. It stops automatically after stabilization of unbalance results.

4) Simultaneous Indication Amount and angle of unbalance in both planes displayed simultaneously and remains displayed (stored ) till next run. This totally eliminates operation of plane selector and reduces additional time for stabilization of readings in other plane.

5) Key-Board Data of rotor dimensions and balancing tolerance i.e. values of A,B,C,R1,R2, t11,t12 are fed by key operation . Hence accuracy of data feeding is accurate up to 1 digit.

6) Tolerance Indicators Separate LEDs are provided for both planes which glow when unbalance is reduced within balancing tolerance.

7) Auto Range Depending upon whether unbalance amount is more or less a respective course or fine range gets automatically selected till rotor gets balanced within tolerance limits, Multiplier operation is totally eliminated.

8) Data store Data of various rotors can be stored against respective rotor type nos. Hence no need of measuring of rotor dimensions or rotor data feeding when repeat balancing operation required. Just call rotor type no. and machine is ready for balancing.

9) Self Check Panel is provided with ‘self-check’ mode which checks proper functioning of digital displays, LEDs is cyclic operation. This helps immediate fault detection.

TECHNICAL SPECIFICATIONS
"FIE" HORIZONTAL TYPE UNIVERSAL HARD BEARING BALANCING MACHINES

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