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Wineman Technology builds top-of-the-line impulse test rigs for life cycle durability testing of hydraulic equipment and components in the aerospace, defense, industrial, and off-highway industries. Our expertise in embedded real-time control applications makes it possible to create impulse test stands with higher frequencies and pulse profiles with greater accuracy than other integrators.

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As an experienced, complete in-house mechanical and electrical design firm, we create reliable, accurate testers using off-the-shelf products whenever possible for easy replacement. The software applications – such as the intuitive operator interface, in-depth test profile editor, and calibration utility – are built on mature technology with long-term availability. No matter what type of waveform test profile you need, standard or custom, our engineering staff can create it.

Specifications and Capabilities
  • Impulse Pressure Range: 1000 to 8000 PSIG (70 to 550 BAR)
  • Test Frequency: < 15 Hz
  • Types of Waveforms: ARP 1383 sinusoidal, damped, and alternated damped waveforms, along with custom waveforms of up to 20 points
  • Pressure Increase Rate: up to 200,000 PSI/sec
  • Capacity:  up to 250 in3
  • Compliance with Standards: SAE AIR 1228A, ARP 1383B, ARP 4378B, and AS33514
 
Example Projects
  • Pressure Pulsation Tester 
    This turnkey impulse tester is capable of performing on/off style of impulse testing which is typical of NFPA/T2.6.1 R2-2001 (R2009). The main deliverables included:
    • 68 LPM 600 BAR hydraulic power unit
    • High pressure hydraulic valve manifold with multiple high pressure solenoid valves and manually adjustable valves for test pressure and ramp rate
    • RAPID controller with impulse tester add-on
    • Desktop computer with operator interface application providing an automatic test screen with a pre-configured pressure cycle and manual control screen for pressure on/off time
    • Test enclosure to withstand and contain high pressure hydraulic fluid spray
       
  • Aerospace ARP 1383B Hydrualic Impulse Tester
    This hydraulic impulse tester is designed for testing parts of volumes up to 137 in3 at pressures up to 7,500 PSIG utilizing MIL-PRF-83282 fluid.  The project included:
    • Software application programmed with our INERTIA test automation software,  allowing for automated testing, manual control, calibration, and the ability for the end user to reconfigure the waveform or test profile for new requirements  
    • Electrical control system with controller, I/O, signal conditioning, and power distribution
    • High temperature chamber with 70°C to 275°C temperature range
    • 40 gpm, 3000 psi hydraulic power unit  and impulse test circuit based on SAE AIR 1228A

Related Links:
DocumentWhite Paper: Challenges and Best Practices for Implementing a Test Cell Control System

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Impulse Pressure Test Systems brochure

Contact us to learn about our impulse test machines.

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