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（1）Professional Aerospace-grade Test Accuracy & Strict Standard Adaptation
This aerospace transmission test bench is specially developed for aviation transmission components such as aerospace gearboxes, reducers, transmission shafts and accessory transmission systems. It supports ultra-high-precision dynamic testing of torque, speed, transmission efficiency, backlash and torsional vibration. With high-response and high-stability sensing modules, the system achieves ultra-low speed smooth operation and high dynamic tracking capability, fully meeting the strict accuracy requirements of aerospace product development and certification.
（2）Multi-condition Extreme Environment Simulation & Full-life Cycle Testing
The test bench supports composite environmental coupling tests including high temperature, low temperature, high altitude pressure difference and oil temperature cycling. It can simulate extreme working conditions such as aerospace takeoff, cruise, variable load and impact load, covering performance calibration, limit load test, fatigue durability test and life prediction of transmission components. It realizes full-life-cycle verification from prototype R&D to batch delivery.
（3）Four-quadrant High-dynamic Loading & High Safety Stability
Equipped with high-performance four-quadrant dynamic loading units, the system realizes forward driving and reverse dragging simulation, accurately reproducing variable speed and variable torque alternating load characteristics of aerospace transmission systems. It adopts aerospace-level safety interlock protection, overspeed and over-torque protection and emergency stop logic, ensuring zero-risk operation during long-duration fatigue tests and extreme limit tests.
（4） High Compatibility & Intelligent Automatic Test System
With modular and scalable architecture, the equipment is compatible with various types of aviation reducers, helicopter transmissions and aerospace accessory transmission assemblies. The self-developed measurement and control system supports customized aerospace test procedure editing, automatic cycle testing, high-frequency data synchronous acquisition and whole-process data traceability. It can connect with oil supply systems, environmental simulation chambers and professional analysis software to complete one-stop test and verification.
（5）Full Compliance with Aerospace Industry Specifications
The test system fully complies with aviation industry standards, aerospace component test specifications and military standard test requirements. It can provide high-credibility test data and standardized test reports, supporting aerospace product design verification, type appraisal, quality inspection and batch qualification audit.
Key Parameters:
（1）Drive and Loading Unit
• Rated power: 800 kW
• Maximum speed: 30,000 rpm
• Rated torque: 600 N·m
• Axial adjustment range: ±500 mm
• Horizontal radial adjustment range: ±6 mm, adjustment accuracy: 0.01 mm
（2）Test Piece Lubrication System
• Flow rate control range: 0~20 L/min
• Pressure control range: 0~1 MPa
• Temperature control range: 40℃~200℃
800kW 30000rpm Transmission Test bench for drive shafts
Key Parameters:
（1）Drive Unit:
• Rated power: 1100 kW
• Maximum speed: 30,000 rpm
• Rated torque: 600 N·m
（2）Loading Units:
• Four sets of loading units, used to simulate different loads respectively, such as fuel pumps, generators, etc.
• Maximum speed: 5,000rpm to 30,000 rpm
• Rated power: 10kW to 300 kW
• The drive and loading units are connected to the test piece using special couplings, which can withstand an eccentricity of ±1 mm at high speeds
• Test Piece Lubrication System
• Flow control range: 0~20 L/min
• Pressure range: 0~1 MPa
• Temperature range: 40℃~200℃
Multi-shaft Transmission testbench for aerospace transmissions
Q1: What aerospace components is this transmission test bench applicable to, and what test items can it perform?
A1: This aerospace transmission test bench is mainly designed for core aerospace transmission components such as aviation gearboxes, reducers, transmission shafts and aviation accessory transmission systems. It comprehensively supports test items including transmission efficiency, torque-speed characteristics, backlash, torsional vibration, temperature rise performance, ultimate load, fatigue durability and impact load tests. Combined with high-low temperature, negative pressure and oil temperature cycle climate chambers, it realizes full-condition and multi-environment coupling verification, covering the whole process of new product R&D, performance calibration and service life verification.
Q2: What are the aerospace-grade core advantages compared with ordinary industrial transmission test benches?
A2: Compared with ordinary industrial test equipment, this bench features aerospace-level high precision, high dynamics and high safety. It supports ultra-low-speed stable operation and high-frequency dynamic load tracking, accurately reproducing extreme alternating working conditions such as aerospace takeoff, cruise, variable load and impact load. Equipped with complete aerospace safety interlock, overspeed and over-torque protection mechanisms, it eliminates risks during extreme limit tests. In strict accordance with aviation and military standards, it provides higher data accuracy, stability and repeatability to meet stringent aerospace certification requirements.
Q3: Does the system support automatic testing and multi-device linkage? Can the test data be used for aerospace type certification?
A3: The system supports customized aerospace-specific test procedures, fully automatic cycle tests and unattended durability tests. It can seamlessly link with oil supply systems, high-low temperature climate chambers and dynamic analyzers to realize integrated coupling tests. It supports high-frequency synchronous data collection, full-process data traceability and automatic report generation. All test data is authentic, stable and traceable, fully complying with data specifications for aerospace product design verification, type appraisal, batch quality inspection and official certification.
