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SLVMR(INDIAN) Woodward Governor Test Stand Model WG-1 is one of the most advanced governor test stand equipped with state of art digital AC drive and a number of other accessories with very highly accurate measurement gauges to provide very accurate setting of the Woodward Governors, particularly PG Governors of Railways.
Model WG-1 provides for testing, checking and adjusting of the Governor Pump Pressure, high speed and low speed stops, solenoid and AC/DC motor speed setting, droop setting, oil, air or water shutdown devices, hydraulic or pneumatic speed settings, limiter and load control functions, governor stability, major leakages and electric/hydraulic actuator.
Technical Specifications:
The basic Test Stand Model WG-1 is a sturdy machine, fabricated to support various different type of Woodward Governors with suitable mounting plate and adaptors.
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Main Motor: 3HPk, totally enclosed, with digital AC drive for exact setting of drive characteristic.
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Operator Panel: Provided with switches for:
- Start/stop of main motor, its directions (cw/acw)
- Direct acting/reverse acting, speed centering, gain sensitivity
- Load decrease/increase switches
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Speed: 0 to 1800 RPM with quite stable speed control
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Speed Indicator: Digital 4 digits RPM indicator with a range of upto 9999 RPM, least count 1 RPM
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Hydraulic System: 25 litre capacity tank, fitted with 1KW heater for maintaining the temperature of oil at about 93.3 degree Centigrade (200 degree F) complete with various hydraulic hoses to test the PG & PG extended type Woodward Governors, filters & relief valve
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Hydraulic Pump: To provide variable pressure supply as per the requirement, provided with separate 1/2hp AC motor, connected to various valves like pressure regulator, governor, fill, load control and governor drain, etc.
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Hydraulic Drain: Through the table to facilitate oil drainage without hassles and minimum spillage.
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Pressure Gauges:
- Test stand oil pressure master gauge, 100 psi, 1 psi least count, 4" dial, 0.25%
- Governor oil pressure master gauge, 600 psi, 5 psi least count, 4" dial, 0.25%
- Regulated air pressure gauge, 100 psi, 1 psi least count, 4" dial, accuracy 0.5%
- Regulated air pressure gauge with selector switch, 100 psi, 0.2 psi least count 8.5" dial, accuracy 0.1%
- Regulated air pressure gauge with selector switch, dual scale, 0-120" Hg, 0.2 psi least count, 8.5 dial, accuracy 0.1%
- Regulated vacuum air pressure gauge, dual scale, 0-120" hg, 0.2" least count 4" dial, accuracy 0.5%
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Variable DC Power Supply: 10 – 140V DC variable power supply for testing electric speed settling and solenoid devices with digital display of voltage and external output (+) and (-) jacks.
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PG Rail Switch Panel: To test solenoid speed setting with A, B, C, D and Over Ride (O/R) switches with test points for minimum field, wiper and maximum field feedback and indications for low water, lube oil, pressure limit and overload condition.
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Vacuum Generator: Based on Venturi principle, to be connected to a minimum 80 Å“ 100 psi air supply provided vacuum upto 18" Hg
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Adaptors: Suitable Base Adaptor, drive coupling and drive adaptor for PG Keyed (0.625"), Serrated (1.125"-48) and Alco PG Keyed, Alco Pg Extended keyed (Both 0.625")
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Feedback Potentiometer: Portable potentiometer driven by a mono-filament line and return spring with linear output connected to the feedback, complete with universal lever.
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- Adaptors available for: PG Splined, PG Serrated and PG keyed Governors
- Adaptors available for: UG 40 Keyed, UG40 Serrated Governors
- Adaptors available for: UG8 Serrated, UG8 Keyed Governors
- Adaptors Available for: Alco PG Keyed and PG Extended Keyed Governors
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