MM 450 GOVERNOR APPARATUS

Force and Motion Study > MM Series  

MM 450 GOVERNOR APPARATUS

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The apparatus is designed for studying motion and operation of Porter, Proell and Hartnell governors.

The equipment consists of a motor with flange for attachment of governor, speed controller with sensor and indicator, governors with shaft scale for lift measurement and weights. A guard with transparent front and top is provided for safety.

Instruction manual is also included.

  • Speed vs. displacement at various weights for Porter, Proell and Hartnell governors.

  • Governors
: Porter
: Proell
: Hartnell
  • Rotor motor
: DC geared motor with speed controller.
  • Rotor speed
: Up to 400 rpm
  • Balancing weights
: 1 lot.
  • Power supply
: 220 V, 1 Ph, 50 Hz. Other power supply is available on request.
  • Net (unpacked) Shipping Dimensions WxLxH: 45 x 80 x 55 cm
  • Net Weight:  Approx. 20 kg
  • MM450S
: Learning Software to support both online/offline training with data calculation and analysis by manual data entry from analog measuring instruments.

 

   
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MM 445 CENTRIFUGAL FORCE APPARATUS, Computer Interface

MM 445 CENTRIFUGAL FORCE APPARATUS, Computer Interface

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The apparatus is used for studying the relationship between centrifugal force, rotating mass and its distance from the axis of rotation. Each factor can be investigated separately.

The apparatus consists of a drive motor with a speed controller, a frame for rotating arm, masses, and instruments for measurement of centrifugal force and speed. The frame is driven by a motor via a belt. The centrifugal force from a known mass on the arm is transmitted via a lever to a load cell located above the frame. A guard with transparent front is provided for safety.

Instruction manual is also included.

  • Centrifugal force vs mass.
  • Centrifugal force vs angular velocity.
  • Centrifugal force vs radius.
  • Rotating radius
: Up to 125 mm.   
     - Rotating masses: 1 lot.   
     - Rotating speed: 0-600 rpm   
  • Measuring instruments
    
     - Speed and force: Digital display   
  • Computer interface unit with software for data display and analysis by computer (separately supplied)
    
  • Power supply
: 220 V, 1 Ph, 50 Hz. Other power supply is available on request.   
  • Net (unpacked) Shipping Dimensions WxLxH: 45 x 45 x 55 cm
  • Net Weight:  Approx. 40 kg
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MM 441 GYROSCOPE, Single Motor

MM 441 GYROSCOPE, Single Motor

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The apparatus is used for studying relationship between gyroscopic torque, rotor speed and rate of precession.

The equipment consists of a rotor with a motor, and a low voltage power supply and speed control. The rotor is mounted horizontally on a frame with two bearing supports. The rods with sliding weights are attached to the frame along the rotor axis to produce balance, positive or negative torque conditions. A tachometer measures rotor and progression speeds. The frame rests on a vertical shaft on bearings to permit progression. A guard with transparent front is provided for safety.

The top assembly can be removed for determination experimentally the moment of inertia, and nutation study.

Instruction manual is also included.

  • Gyroscope torque vs processional speed.

  • Rotor speed vs gyroscope torque.

  • Determination of systems moment of inertia and nutation study.

  • Rotor speed
: Up to 4000 rpm
  • Portable tachometer
: For rotor speed.
  • Stop watch
: For precession speed.
  • Balancing weights
: 1 lot.
  • Steel ruler
: 1 ea.
  • Power supply
: 220 V, 1 Ph, 50 Hz. Other power supply is available on request.
  • Net (unpacked) Shipping Dimensions WxLxH: 51 x 51 x 40cm
  • Net Weight:  Approx. 30 kg
  • MM441-001
: Speed digital display instead of portable tachometer.  

 

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MM 440 GYROSCOPE, Two Motors

MM 440 GYROSCOPE, Two Motors

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The apparatus is used for studying relationship between gyroscopic torque, rotor speed and rate of precession.

The equipment consists of a steel rotor with a small motor, counter weight, precession motor, and instruments for measurement of speeds and counter weight distance.  The rotor is mounted horizontally on a frame with two bearing supports. The frame has a horizontal screw for installation of counter weight to provide a torque. The frame rests on a vertical shaft driven by the precession motor. A guard with transparent front is provided for safety.

Instruction manual is also included.

  • Gyroscope torque vs processional speed.

  • Rotor speed vs gyroscope torque.

  • Determination of systems moment of inertia and nutation study.

  • Rotor motor
: DC motor
  • Rotor speed
: Up to 4000 rpm
  • Precession motor
: DC geared motor
  • Precession speed
: Up to 60 rpm
  • Speeds
: Digital display for rotor and precession.
  • Balancing weights
: 1 lot
  • Steel ruler
: 1 ea.
  • Power supply
: 220 V, 1 Ph, 50 Hz. Other power supply is available on request.
  • Net (unpacked) Shipping Dimensions WxLxH: 45 x 45 x 40cm
  • Net Weight:  Approx. 30 kg
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MM 431 SLIPPING FRICTION APPARATUS

MM 431 SLIPPING FRICTION APPARATUS

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This is a bench top apparatus for determination of sliding friction coefficient using an oscillating bar.

A round bar is placed on two counter turning pulleys driven by a variable speed motor with gear reducer. The distance between the two pulleys is adjustable.  Measuring instruments for pulley speed and oscillation period are provided.

Instruction manual is also included.

  • Coefficient of friction vs speed for different types and sizes of materials
  • Wheel center distance
: Adjustable 200-350 mm
  • Motor
: 0.18 kW
  • Speed control
: Inverter
  • Measuring Instruments
     - Pulley speed : Portable tachometer
  • Specimens, 600mm long
     - Solid bar
     - Hollow tube
  • Accessories
: Stop watch.
  • Power supply
: 220 V, 1 Ph, 50 Hz. Other power supply is available on request.
  • Net (unpacked) Shipping Dimensions WxLxH: 35 x 95 x 45 cm
  • Net Weight:  Approx. 59 kg
  • MM431S
: Learning Software to support both online/offline training with data calculation and analysis by manual data entry from analog measuring instruments.   
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MM 343 STATIC AND DYNAMIC BALANCING APPARATUS

MM 343 STATIC AND DYNAMIC BALANCING APPARATUS

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This apparatus is for demonstration of simple balancing techniques.

It consists of a balanced steel shaft mounted on two self-aligned ball bearings on a rigid frame with rubber footings to minimize vibration. Four different balance masses, which can be easily clamped on any position on the shaft are provided.

For static balancing, an extension shaft with a pulley is fitted to one end of the shaft. Two weight containers with a cord are wound around the pulley. Steel balls are then added to one container until the shaft is in equilibrium to determine the maximum moment of each balance mass. An angular scale is attached to the other end of the shaft and a linear scale is attached along the frame parallel to the shaft to measure angular and linear positions of each mass.

For dynamic balancing, the shaft assembly is driven by a fixed speed motor via a belt. In the case of unbalance, the shaft will vibrate and the vibration is absorbed on the rubber footings. A safety guard with transparent front is provided.

Instruction manual is also included.

  • Static balancing of the system using moment polygon.

  • Dynamic balancing of the system by calculating positions of the masses along the shaft and by resolving and taking moments

       about one end of the shaft.

  • Demonstration of a balanced and unbalanced system by actual running of the apparatus.

  • Shaft length
: 200 mm   
  • Balance masses
: 4 different weights.   
  • Baskets with cord
: 2   
  • Steel balls
: 1 lot.   
  • Power supply
: 220 V, 1 Ph, 50 Hz. Other power supply is available on request.   
  • Net (unpacked) Shipping Dimensions WxLxH: 50 x 110 x 50 cm
  • Net Weight:  Approx. 85 kg
  • MM343-001
: Inverter for speed control, and portable tachometer.   
  • MM343S
: Learning Software to support both online/offline training with data calculation and analysis by manual data entry from analog measuring instruments.   

 

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MM 340 STATIC AND DYNAMIC BALANCING MACHINE, Computer interface

MM 340 STATIC AND DYNAMIC BALANCING MACHINE, Computer interface

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The machine is used for studying of balancing principles.

A rotor shaft is connected to the motor by a double universal joint and rests on two supports with adjustable distance between supports. Each support holds the shaft in place by three bearings with crest. Two standard rotors and two radially slotted rotors are provided for various cases of balancing. The unbalance forces are picked up by two vibration transducers and converted to digital signals. The speed is adjusted by an inverter and speed signal is provided by a sensor. The magnitude and angle of the unbalance for each plane is analyzed and displayed on a computer (separately supplied). The vibration and speed transducers are removable for field use. A note book computer is recommended for field use but is not included in the scope of supply. A transparent cover is provided for safety.

Instruction manual is also included.

  • Single plane balancing.

  • Two plane balancing.

  • Balancing machine calibration.

  • Single plane field balancing.

  • Two plane field balancing.

  • Balancing bed
: Mild steel, different diameter and length.   

     - Balancing bed

: 2   
     - Maximum working shaft length: 2   
  • Standard rotors:
    
     - Quantity: 2   
  • Slotted rotors:
    
     - Quantity: 2   
  • Balancing weights
    
    - Calibrated bolts    
    - Calibrated washers    
    - Calibrated nuts    
  • Motor
: 0.37 kW.   
  • Speed control
: 0.75 kW, inverter   
  • Speed measurement
: Speed sensor   
  • Vibration transducers
    
  • Computer interface unit with software for data display and analysis by computer (separately supplied)
    
  • Power supply
: 220 V, 1 Ph, 50 Hz. Other power supply is available on request.   
  • Net (unpacked) Shipping Dimensions WxLxH: 50 x 110 x 50 cm
  • Net Weight:  Approx. 85 kg
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MM 325 Whirling of Shafts Apparatus

MM 325 WHIRLING OF SHAFTS APPARATUS

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For studying the critical rotational speeds on simply loaded of various shafts. It is a self-contained bench mounting. Apparatus includes a DC motor drives the shaft via a flexible coupling. Motor speed can be continuously variable and displayed on a digital readout by a revolution counter. A transparent protective cover and safety rings ensure safe operation. The unit includes the tools need for easy experiment setup.

Instruction manual is also included.

  • Demonstration of basic whirling                     

  • The effect of end conditions

  • Variation of shaft diameter and supported length                         

  • Loaded shaft (with mass disc)

  • Eccentric loading 

  • Shaft
: Mild steel, different diameter and length.
  • Mass
: 1 lot.
  • Measuring tape
: 1
  • Fixed bearing support
: 1
  • Free bearing support
: 1
  • Motor
  • Speed control
  • Power supply
: 220 V, 1 Ph, 50 Hz. Other power supply is available on request.
  • Net (unassembled) Shipping Dimensions WxLxH: 65 x 154 x 34 cm
  • Net Weight:  Approx. 52 kg
  • MM325-001
: Stroboscope (separately supplied)   
  • MM325S

: Learning Software to support both online/offline training with data calculation and analysis by manual data entry from analog measuring instruments.

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MM 245 AUTOMOTIVE GEAR SYSTEM, Manual Transmission, Computer interface

MM 245 AUTOMOTIVE GEAR SYSTEM, Manual Transmission, Computer interface

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The apparatus is used for studying the acceleration of a geared system as well as geared system efficiency under different gear ratios.

The system consists of three shafts, two stage spur gear unit with two fixed gear and two sliding gear sets. All shafts rest on ball bearings on a steel frame.

The first shaft has a cable drum for weight hanger.

The second shaft has an interchangeable inertia mass. A speed sensor monitors the mass speed at four pulses per revolution.

A motor dynamometer measures the gear system input power. This motor dynamometer drives the first shaft via an electric clutch. Speed is controlled by an inverter.

A mechanical brake dynamometer is attached to the third shaft for measurement of the gear system output power.

For a study of acceleration of the geared system, a weight hanger provides torque on the cable drum and speed sensor can measure inertia mass velocity and acceleration.

The apparatus has a transparent cover with interlocks for safety protection.

Instruction manual is also included.

  • Inertia of a mass and of a geared system.

  • Input power, output power, and efficiency.

  • Effect of speed and load on efficiency.

  • Gear
: Spur gear modules 2.   
  • Transmission ratio alternatives
: 3   
  • Weight hanger and weights
: 1 lot.   
  • Inertia masses
: 2   
Speed control: 0.75 kW inverter for controlling motor speed   
  • Power measurement
    

            - Torques

            - Speeds

: Digital display for input and output shafts

: Digital display for input and output shafts

   
  • Power supply
: 220 V, 1 Ph, 50 Hz. Other power supply is available on request.   
  • Accessories
: Rubber pad and stop watch   
  • Net (unassembled) Shipping Dimensions WxLxH: 80 x 30 x 110 cm
  • Net Weight:  Approx. 65 kg
  • MM242-050

: Computer Interface (computer not included) This includes MM242S and significant sensor(s) instead of analog measuring instrument(s), data acquisition (capture, display, graph and/or data export), additional software function for real-time data logging with computer interface unit and WiFi feature for data logging and real-time display remotely on smartphone (iOS and Android)

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MM 242 COMPREHENSIVE GEARED SYSTEM

MM 242 COMPREHENSIVE GEARED SYSTEM

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The apparatus is used for studying the acceleration of a geared system as well as geared system efficiency under different gear ratios.

The system consists of three shafts, two stage spur gear unit with two fixed gear and two sliding gear sets. All shafts rest on ball bearings on a steel frame.

The first shaft has a cable drum for weight hanger.

The second shaft has an interchangeable inertia mass. A speed sensor monitors the mass speed at four pulses per revolution.

A motor dynamometer measures the gear system input power. This motor dynamometer drives the first shaft via an electric clutch. Speed is controlled by an inverter.

A mechanical brake dynamometer is attached to the third shaft for measurement of the gear system output power.

For a study of acceleration of the geared system, a weight hanger provides torque on the cable drum and speed sensor can measure inertia mass velocity and acceleration.

The apparatus has a transparent cover with interlocks for safety protection.

Instruction manual is also included.

  • Inertia of a mass and of a geared system.

  • Input power, output power, and efficiency.

  • Effect of speed and load on efficiency.

  • Gear
: Spur gear modules 2.   
  • Transmission ratio alternatives
: 3   
  • Weight hanger and weights
: 1 lot.   
  • Inertia masses
: 2   
Speed control: 0.75 kW inverter for controlling motor speed   
  • Power measurement
    

            - Torques

            - Speeds

: Digital display for input and output shafts

: Digital display for input and output shafts

   
  • Power supply
: 220 V, 1 Ph, 50 Hz. Other power supply is available on request.   
  • Accessories
: Rubber pad and stop watch   
  • Net (unassembled) Shipping Dimensions WxLxH: 80 x 30 x 110 cm
  • Net Weight:  Approx. 65 kg
  • MM242-050

: Computer Interface (computer not included) This includes MM242S and significant sensor(s) instead of analog measuring instrument(s), data acquisition (capture, display, graph and/or data export), additional software function for real-time data logging with computer interface unit and WiFi feature for data logging and real-time display remotely on smartphone (iOS and Android)

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