ENGINE & VEHICLE TEST SYSTEMS : DYNAMOMETER

DYNAMOMETER

HAKITA SE Range of SAJ Air Gap Eddy Current Dynamometers is for testing engines from 10 kW to 720 kW capacity. The rugged design of the power absorbing system ensures a long operating life, even in the most demanding production and endurance testing environments

Standard Features

Air Gap Eddy Current Dynamometer

· High Accuracy strain gauge loadcell for Torque measurement.

· Precise Control even at low loads and rapid changes in demands.

· Bi-directional operation.

· Low Inertia rotor.

· Balanced high rigidity shaft assembly on precision bearings ensures smooth operation.

· Twin silicon rubber encapsulated energising coils, with central ventilation ensures

   High Reliability in extreme conditions
.

· Electroless nickel plating of cooling passages ensures corrosion free operation.

· 'O' ring pipe connection to minimize error in torque calibration due to variation

      in water supply pressure. Oil Injected half couplings supported by deep groove ball bearings ensures easy maintenance.

Pressure Controlled Hydraulic Dynamometers

HAKITA SH Range of SAJ Pressure Controlled Hydraulic Dynamometers is for testing engines from 300 kW to 6700 kW capacity.

Standard Feature

· High Accuracy strain gauge loadcell for Torque measurement.

Pressure Controlled Hydraulic
Dynamometer

· High response outlet control valve with Electro-hydraulic servo control

      system ensures better accuracy.

· Stable operation through out the operating envelope.

· Low Inertia for fast response.

· Oil Injected half couplings supported by deep groove ball bearings

      and vertically split casing ensures easy maintenance.

· Balanced high rigidity shaft assembly on precision bearings ensures

      smooth operation.

· O ring pipe connection to minimize error in torque calibration due

      to variation in water supply pressure.

· Stainless Steel internals resists mechanical stresses generated by rotation

      at high speeds, and the associated cavitation erosion.

· Compact Construction.

· Bi-directional operation with the help of turntable.

      High Speed possibilities with cropped rotor design.

Sluice Gate Type Hydraulic Dynamometers

HAKITA AWM Range of SAJ Sluice Gate Type Hydraulic Dynamometers is for testing engines from 20 HP to 2000 HP capacity. Very popular in simple production testing and reconditioning workshops.

Sluice Gate Type Hydraulic
Dynamometer

Standard Feature

· High Accuracy strain gauge loadcell for Torque measurement.

· Stable Operation by design hence does not require any controller.

· Designed for Optimum reliability & simple maintenance.

· Robust construction for long trouble free life.

· Manual and Remote Manual Operation.

· Low price makes the system cost effective.

Wet Gap Eddy Current Dynamometer

HAKITA WG 225 - SAJ Wet Gap Eddy Current Dynamometer is for testing engines 225kW capacity. Direct Cooling design provides better cooling efficiency and minimize effect due to scale deposition.

Wet Gap Eddy Current 
Dynamometer

Standard Features

· High Accuracy strain gauge loadcell for Torque measurement.

· Low inertia for fast response.

· Simply supported design.

· Bi-Directional Operation.

· Precise control possible even at low loads and rapid changes in demands.

· Compact and Sturdy design for longer life.

· Easy for Maintenance.

· Carcase mounted in deep groove ball bearings.

· Dynamically balanced high rigidity shaft assembly on precision bearings ensures smooth operation.

· Less susceptible to scaling 
   effect.