Balancing of reciprocating masses
Order Code: 21224591.8.50
Category: General Lab Equipment IV
bench top model to study the effect of oscillating masses on the vibration behaviour of a machine, investigating different crank arrangements and effect of a weight added to one or more piston, simulating 4-cylinder, 2-cylinder and 1-cylinder machi
SPECIFICATION
- bench top model to study the effect of oscillating masses on the vibration behaviour of a machine,
- investigating different crank arrangements and effect of a weight added to one or more piston,
- simulating 4-cylinder, 2-cylinder and 1-cylinder machine possible.
- System to consist of the machine, a cantilever and a base plate, natural frequencies to be chosen in a way to demonstrate the presence of mass forces and torques due to sympathetic vibrations at particular speeds 1st and 2nd order forces and torque generated during operation to be displayed digitally;
- base plate mounted with rubber elements to ensure vibration isolation;
- crank mechanism: number of cylinders: 4, crank offset: continuously adjustable for each cylinder,
- markings for 0°, 90°, 180° and 270° drive: speed controlled dc motor with toothed belt transmission 3:1,
- speed range 100...3000rpm, nominal power output: 36w, speed adjustment by 10-speed potentiometer.
- Resonance speeds (± 50rpm)
- 1st order forces (fi): n = 1825rpm;
- 2nd order forces (fii): n = 900rpm;
- 1st order moments (mi) : n = 2555rpm;
- 2nd order moments (mii) : n = 1285rpm
- Measuring methods: speed measurement: digital, 8-character lcd display in rpm, vibration measurement: principle: strain gauge measurement, analog output 0...10v,
- display: rectification with effective value digital, 3 1/2-character lcd display in v;
- controller fitted with laboratory sockets enabling the usage of external oscilloscope or fft analyser Unit fitted with a heavy plate hanging on springs to ensure vibration-free operation at all speeds
- Cylinder block fitted with transparent walls as guard for the moving parts Complete with set of specialised tools handle, allen key, af 4, ring pin 230vac, 50hz, single phase.
- Model: w x d x h:± 420x370x320mm;
- controller: w x d x h: 370x320x160mm;
- english operation / instruction manual
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