Computer Controlled Photoelasticity Unit

The Computer Controlled Photoelasticity Unit, for photoelasticity practices, illustrating the subjects of the photoelasticity theory, the elasticity theory, strength of materials, and structure theory.

ATENG 12215 — Computer Controlled Photoelasticity Unit

(for main items)

• With this unit there are several options and possibilities:
• Main items: 1, 2 and 3.
• Optional items: 4, 5 and 6.
• Let us describe first the main items (1 to 3):
• 1EFOC. Unit:
• The “ATENG 12215” unit includes the following items:
• ATENG 12217.Unit:
  Bench-top unit.
  Anodized aluminum frame and painted steel panels.
  Main metal elements made of stainless steel.
  Light source, two fluorescent tubes of 30 cm and 8 W.
  Monochromatic light 35 W.
  Opalescent diffuser plate.
  Double effect polarizing filters (linear polarization and circular polarization),
  of 30 x 30 cm and protected by methacrylate plates.
  Load frame with pulling jack.
  Ten pressure screws and accessories.
• The “ATENG 12217” unit includes the following items:
• EFO-K1. Kit of Static Test Specimens (Basic kit), formed by: Unit: ATENG 12215
  N°3. Stepped Rectangular Specimen.
  Included elements
  N°4. Compact Circular Specimen.
  N°5. Circular with Orifice Specimen.
  N°9. Medium Rectangular Specimen.
  N°13. “C” Specimen Probe.
  N°14. Specimen with Arch Probe.
  N°17. Square with Diagonal Bar Specimen Probe.
• EFO-K3. Kit of Test Specimens with Strain Gauges (Basic kit), formed by:
  N°7-G. Trapezoidal Specimen with strain gauges + N°7. Trapezoidal Specimen.
  N°8-G. Big Rectangular Specimen with strain gauges + N°8. Big Rectangular
  Specimen.
  N°19-G. “T” Beam Specimen with strain gauges + N°19. “T” Beam Specimen.
  EFO-K1. Kit of Static Test Specimens (Basic kit)
• EFOC/KIT. Photoelasticity Kit with Strain Gauges.
  Load cell for direct force measurement.
  Electronics, hardware and software for strain gauges measurement from PC,
• and direct force measurement applied to the specimens:
• Control Interface Box:
  Metallic box.
  Sensors connectors.
  Main switch. EFO-K3. Kit of Test Specimens with Strain
  Gauges (Basic kit)
• USB Data Acquisition Board:
  National Instruments High Speed Multifunction Data Acquisition Board
  (500kS/s).
  Signal Streaming technology through USB to ensure high speed and
  bidirectional data transfer.
• USB compatibility: USB2.0 Hi Speed (480Mbits/s) or full speed.
• Truly Plug & Play: the PC will automatically detect the new device and
  install the software.
• Computer Control+Data Acquisition+Data Management Software:
  Compatible with actual Windows operating systems.
  Control and data acquisition in real time.
  Management, processing, comparison and storage of data.
• Main functions of the software:
  Analysis and measurement of the strains.
  Young ´s module calculation.
  Poisson´s ration calculation.
  Measurement the force applied.
  Analysis and measurement of stresses.
  Register of the (experimental) practical exercises. EFOC/KIT. Photoelasticity Kit with
  Calibration of sensors. Strain Gauges
  3

Complete Technical Specifications (for main items)

• The complete unit includes as well:
  Advanced Real-Time SCADA.
  Open Control + Multicontrol + Real-Time Control.
  Specialized Control Software based on LabVIEW.
  National Instruments Data Acquisition board (250 KS/s, kilo samples per second).
  Calibration exercises, which are included, teach the user how to calibrate a sensor and the
  importance of checking the accuracy of the sensors before taking measurements.
  Projector and/or electronic whiteboard compatibility allows the unit to be explained and
  demonstrated to an entire class at one time.
  Capable of doing applied research, real industrial simulation, training courses, etc.
  Remote operation and control by the user and remote control for technical support,
  are always included.
  Totally safe, utilizing 4 safety systems (Mechanical, Electrical, Electronic & Software).
  Designed and manufactured under several quality standards.
  Optional ICAI software to create, edit and carry out practical exercises, tests, exams,
  calculations, etc. Apart from monitoring user's knowledge and progress reached.
  This unit has been designed for future expansion and integration. A common expansion is
  the Scada-Net (ESN) System which enables multiple students to simultaneously
  operate many units in a network.