MVS-520

The MVS-520 is an excellent learning device that has all the features of the MVS-510 and additionally has more capabilities for learning shaft alignment and balancing. It can be used to improve the effectiveness of studying misalignment and imbalance and the vibration phenomenon caused by the misalignment and imbalance by adding desired amount of machine faults.

Detailed Description

The shaft diameter is 25 mm. And the height of the coupling part is widened to more than 270 mm to secure sufficient space for installation of the dial gauge or laser device for shaft alignment exercise.

For balancing, the rotor has two rows of 18 M6 holes allowing precise calibration masses to be inserted in.

Automatic Unbalance Rotor(AUR) can implement long term trend of imbalance vibration in a short time at laboratory. Since the unbalance mass inside AUR moves during operation, it is possible to stop the unbalance mass at an arbitrary position and keep vibration level stationary and try to make measurement and perform correction task of imbalance.

  • Reproducing various machine defects in one machine
  • Add a balancing disk to the coupling
  • Center hung or overhung rotor
  • Alignment tool(dial gauge or laser) can be rotated 360 ° because shaft height is sufficient
  • Sufficient space for shaft alignment training
  • Changing the position of eccentric mass during operation
  • Fine adjustment of rotation speed
  • Balancing Training
  • Machine alignment training and alignment system evaluation
  • Coupling Studies
  • Bearing defect
  • Measurement and analysis method of shaft vibration
  • Effect of soft foot
  • Resonance Research
  • Unbalance increase / decrease during operation
  • Changing alignment during operation
  • Mechanical looseness
  • Gear defect studies
  • Study of gear backlash change
  • Mechanical friction
  • Torsional Vibration Study
  • Foundation Studies
  • Signal Processing Problems
  • Variable speed machine
  • High speed and low speed operation
  • Rotor Dynamics
  • Modal Analysis
  • Operational Deflection Shape (ODS)
  • Sensor Installation Technique and Optimal Location
Electrical Specifications

Motor : ½Hp 3-phase AC motor, Siemens

Controller : Delta VFD-M Inverter

Maximum motor RPM : 10,000 (for short time)

Speed ​​Range : 0 ~ 10,000 rpm Variable

Display 1 : RPM display on 7 Segment LED display up to 20 times/sec

Display 2 : Vibration velocity display for inboard bearing

Display 3 : Vibration velocity display for outboard bearing (optional)

Output 1:  Vibration velocity signal output for inboard bearing

Output 2:  Vibration velocity signal output for outboard bearing (optional)

Output 3:  Tacho signal output, 1 pulse / rev, 6V TTL

Gap sensor (optional) : Two 90 ° displacement sensors, two demodulators, two display

RUN / STOP switch : When ON, operates at the same rotational speed as previously set

Power : 230 VAC, single phase, 50/60 Hz

Mechanical Specifications

Shaft : 30mm diameter, steel

Bearing : two normal bearings, accelerometers installed on each bearing

Pedestal : Height of bearing center is 270mm to provide sufficient space for alignment work under coupling.

Balancing Rotor : 2 aluminum rotors(152Փ) with 36 holes threaded M6 and M8 in two rows

Automatic Unbalance Rotor(AUR) : 1 aluminum rotor(162Փ) with 18 holes threaded M8 screw at 150Փ position, 40gr unbalance mass moves 15mm in 40 second

Alignment Mechanism : sufficient height (270mm) for 360 ° rotation for alignment zig.

                                     motor legs have soft foot(0.6, 0.4, 0.2, 0.2mm soft foot), and can be moved

                                      by turning sliding knob

Base : 10mm thick steel

Safety cover : transparent plastic cover with lockable and shockproof hinge, interlock switch that stops the motor    when the cover is open

Physical Specifications

Weight : approx. 80kg

Size : Length = 870mm, Width = 440mm, Height = 580mm (with safety cover)