Force and Motion Study > MM Series  

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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