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PT 500: Machinery Diagnostic System, Base Unit

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Machinery Diagnostic System, Base Unit

Machinery Diagnostic System, Base Unit Machinery Diagnostic System, Base Unit Machinery Diagnostic System, Base Unit

Product Details

Technical Description 
The machinery diagnostic system can be used to simulate certain types of damage and investigate its effects on the vibration spectrum.
The PT 500 base unit permits vibration measurement exercises (measurement of vibration displacement, velocity and acceleration in the time/frequency range). Field balancing of rigid rotors and alignment of shafts can also be practiced. The key components of the base unit are the mechanical elements (clutch, bearing blocks and shaft with rotors), the speed controlled drive motor with frequency converter and tachogenerator, and the control unit with digital displays for power output and speed. The motor base plate is mounted on a carriage, enabling the motor to be aligned. The large aluminium base plate with locating slots allows quick, flexible and precise assembly of the system components. A transparent protective cover provides the necessary safety during operation, and enables clear system viewing during experiments.

All parts are clearly laid out and well protected in a storage box.

To measure and evaluate all experiments, the computerised vibration analyser PT 500.04 is required. For industrial applications, the instrumentation set PT 500.02 is recommended. The accessory sets PT 500.10 - PT 500.19 enable repeatable simulation of the different types of damage. Use of the trolley PT 500.01 is recommended for flexible deployment of the training system.

Learning Objectives / Experiments

- Introduction to vibration measurement methods on
  rotating machinery systems:
  + fundamentals of measurement of shaft and
     bearing vibrations
  + basic variables and parameters
  + sensors and measuring devices
  + influences of speed and shaft layout
  + influence of transducer positioning
- Field balancing of rigid shafts
- Influence of alignment between motor and flexible
- Understanding and interpreting frequency spectra
- Use of a computerised vibration analyzer

* Base unit for setting up wide ranging experiments in
  machinery diagnostics using modular accessory
* Aluminium base plate with slots for quick, flexible
  assembly of different experimental set-ups1
* Speed controlled drive motor with frequency
  converter; control unit with digital power and speed
* Modern and clearly structured instructional material


[1] Base unit for machinery diagnostic training system
[2] Rigid base plate with workpiece holder slots
[3] Speed controlled drive motor with frequency converter
[4] Digital speed and power display
[5] 2 shafts: 1x short, 1x long
[6] 2 unbalanced flywheels with interchangeable balance weights
[7] Bearing blocks, roller bearings, interchangeable
[8] Fixing holes for vibration measurement transducer
[9] Flexible claw coupling and ControlflexR coupling
[10] Motor can be aligned obliquely and transversally
[11] Transparent protective hood
[12] Stackable box for components
Technical Data
Asynchronous motor with frequency converter
- drive power output: 0.37kW
- nominal speed: 2800rpm
Speed range via frequency converter: 100...6000rpm
Control unit with digital power and speed display, l x w x h: 475x415x195mm
2 shafts: D=20mm, 690g and 1300g
2 unbalanced flywheels: D=150mm, each 1675g, with interchangeable balance weights (bolts)
2 bearing blocks: roller bearings can be exchanged
ControlflexR coupling: nominal torque: 15Nm

Dimensions and Weight
l x w x h : 1100 x 800 x 440 mm (base plate + hood)
Weight : approx. 60 kg (complete system)
230V, 50/60Hz, 1 phase or 120V, 50/60Hz, 1 phase
Scope of Delivery
1 base plate with protective hood
1 control unit
1 asynchronous motor with frequency converter:
2 shafts, 2 unbalanced flywheels, 2 clutches
2 bearing units
1 holder plate, 2 clamp sets
1 set of tools
1 storage box with foam inlay
1 instruction manual

Order Details
052.50000  PT 500  Machinery Diagnostic System,
                     Base Unit

Available accessories
PT 500.01 -- Laboratory Trolley
PT 500.02 -- Instrumentation Kit
PT 500.04 -- Computerised Vibration Analyser
PT 500.05 -- Brake & Load Unit
PT 500.10 -- Elastic Shaft Kit
PT 500.11 -- Crack Detection in Rotating Shaft Kit
PT 500.12 -- Roller Bearing Faults Kit
PT 500.13 -- Couplings Kit
PT 500.14 -- Belt Drive Kit
PT 500.15 -- Damages to Gears Kit
PT 500.16 -- Crank Mechanism Kit
PT 500.17 -- Cavitation in Pumps Kit
PT 500.18 -- Vibrations in Fans Kit
PT 500.19 -- Electromechanical Vibrations Kit

Alternative products
MT 172 -- Alignment of Drives, Shafts and Gears
TM 170 -- Static and Dynamic Balancing Apparatus
TM 180 -- Balance of Reciprocating Masses

SELKA GmbH, Hamburg
Grindelallee 188, 20144 Hamburg / Germany
Tel.: + 49 (0) 40 343453 |  Fax: +49 (0) 40 63657075
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