1. Product Name and Purpose

2. Product Features

Random Vibration Test System

• Realistic Random Vibration Simulation
  • The random vibration test system is capable of generating a broad - spectrum random vibration profile, typically covering a frequency range from 0.1 Hz to 2000 Hz. This wide range enables the replication of the complex and unpredictable vibration patterns that building materials may experience in real - world construction and usage scenarios. The system can precisely control the vibration power spectral density (PSD), allowing for the accurate reproduction of different levels of random vibration intensity.
  • The random vibration generation is based on advanced algorithms that take into account the typical vibration sources in the construction industry. For example, vibrations can originate from the operation of heavy machinery during construction, the movement of people and equipment in buildings, and the impact of seismic activity in earthquake - prone regions. The test system can generate vibration profiles that closely mimic these real - world vibrations, helping to identify potential issues such as material fatigue, cracking, or loosening of components.
• Multi - Axis Vibration Capability
  • It can generate vibrations in multiple axes, usually three - axis (X, Y, and Z), which is crucial for building materials as they are often subjected to vibrations from different directions simultaneously. In a building structure, for instance, a wall may experience vertical vibrations from the weight of the upper floors, horizontal vibrations from wind forces or seismic activity, and rotational vibrations during certain dynamic events. The multi - axis vibration capability of the test system provides a more realistic simulation of these complex mechanical stresses, enabling a more comprehensive evaluation of the building materials' performance.
• Customizable Test Profiles
  • Operators have the flexibility to create highly customizable random vibration test profiles. They can define parameters such as the test duration, frequency bands, and PSD levels to match the specific vibration conditions of different construction and usage scenarios. For example, a test profile can be designed to simulate the vibrations in a high - rise building during its construction phase, where the building materials are exposed to continuous vibrations from heavy equipment. Or, it can be tailored to mimic the vibrations in a building located near a busy highway, where the materials are subjected to low - frequency, long - term vibrations from traffic.

Climate Test Chamber

• Broad Climate Range
  • The climate test chamber integrated with the random vibration test system can create a wide range of climate conditions. The temperature can be adjusted from extremely low values, such as - 50°C to simulate arctic or high - altitude climates, to high temperatures of up to + 80°C to mimic desert or tropical climates. The humidity control can maintain relative humidity levels from 10% to 95%, enabling the testing of how building materials respond to different moisture levels.
  • Additionally, the chamber can simulate other climate factors such as rainfall, snowfall, solar radiation, and freezing - thawing cycles. Rainfall simulation is important for testing the water - resistance of roofing materials and exterior wall finishes. Solar radiation simulation helps to evaluate the durability of materials under long - term exposure to sunlight, which can cause fading, degradation, and thermal expansion. Freezing - thawing cycles are crucial for materials used in cold climates, as they can cause cracking and damage due to the expansion of water when it freezes.
• Fast Climate Transitions
  • Building materials may experience rapid changes in climate conditions, especially in regions with variable weather or during seasonal transitions. The climate test chamber is capable of rapid climate transitions, with temperature transition rates of up to 10°C/min and humidity transition rates of up to 5%/min. This allows for the testing of how building materials respond to these abrupt changes, which can cause thermal stress, moisture - related damage, and changes in material properties.
• Uniform Climate Conditions
  • The interior of the climate test chamber is designed to provide uniform climate conditions throughout the test volume. The temperature variation within the chamber is typically within ±1°C, and the humidity variation is within ±5% relative humidity. This ensures that all parts of the building materials being tested are exposed to the same environmental conditions, resulting in reliable and consistent test results.

Integrated Control and Monitoring

• User - Friendly Interface
  • The entire test system is controlled through a user - friendly interface that simplifies the operation process. The interface allows operators to easily set and adjust the test parameters for both the random vibration test system and the climate test chamber. It provides a clear display of the current test status, including vibration frequencies, PSD levels, temperature, humidity, rainfall intensity, solar radiation levels, and elapsed test time. The interface is designed to be intuitive, even for users with limited technical expertise, ensuring efficient and accurate testing.
• Comprehensive Data Acquisition and Analysis
  • Equipped with a comprehensive data acquisition system, the test system records all relevant data during the test. This includes vibration measurements in multiple axes, temperature and humidity profiles, rainfall and solar radiation data, and the performance data of the building materials, such as weight loss, dimensional changes, strength degradation, and appearance changes. The data can be stored in a secure database and analyzed using advanced software tools. The system can generate detailed test reports, including graphs, charts, and statistical analysis, to help engineers, researchers, and quality control personnel understand the test results and make informed decisions.
• Remote Monitoring and Control
  • Many models of this combined test system offer remote monitoring and control capabilities. This feature is particularly useful for large - scale construction projects, research institutions, and manufacturing facilities. Operators can monitor the test progress and adjust the test parameters from a remote location, such as an office, a construction site trailer, or a control center. This allows for continuous supervision and timely intervention, ensuring the efficiency and effectiveness of the testing process.

3. Specific Parameters

• Random Vibration Test System Parameters

  • Rated Sine Force	300kgf- 8000kg.f
    Frequency Range	DC-3000Hz
    Max. Displacement p-p	51-100mm
    Max acceleration	100g
    Max. Velocity (m/s)	2.0
    Max. Payload	300-5000kg

• Climate Test Chamber Parameters

  • Model	CTHC-80	CTHC-150	CTHC-225	CTHC-408	CTHC-800	CTHC-1000
    Inside dimension(W x D x H) cm	40 x 50 x40	50 x 60 x 50	50 x 75 x 60	60 x 85 x 80	100 x 100 x 80	100 x 100 x 100
    Outside dimension(W x D x H) cm	95 x 140 x 95	105 x 150 x 105	105 x 165 x 115	115 x 175 x 140	155 x 190 x 140	155 x 190 x 160
    Internal material	#304 Stainless Steel
    External material	Powder coated #304 Stainless Steel
    Temperature range	+ 150℃~ - 70 ℃
    Humidity range	10% ~ 98% R. H
    Temperature Uniformity ℃	0.01
    Humidity Uniformity % R. H.	0.1
    Temperature stability ℃	±0.3
    Humidity stability % R. H.	±2
    High temperature ℃	100	100	100	100	100	100
    Heating time (min)	20	30	30	30	30	30
    Low temperature	0, -40, -70	0, -40, -70	0, -40, -70	0, -40, -70	0, -40, -70	0, -40, -70
    Cooling time (min)	20, 50, 70	20, 50, 70	20, 50, 70	20, 50, 70	20, 50, 70	20, 50, 70
    Air circulation system	Mechanical convection system
    Cooling system	Imported compressor, fin evaporator, gas condenser
    Heating system	Sus304 Stainless steel High-speed heater
    Humidification system	Steam Generator
    Humidification water supply	Reservoir, Sensor-controller solenoid valve, recovery-recycle system
    Controller	Touch panel
    Electrical power requirements	Please contact us for requirements of specific models
    Accessories	Multi-layer enhanced glass window,test hole, action indicator light, case lighting barrier shelf x2
    Safety device	Circuit system load protection, compressor load protection, control system load protection, humidifier load protection, overtemperature load protection, fault warning light

4. Product Functions

• Reliability and Durability Testing
  • By subjecting building materials products to combined random vibrations and climate stress, the system helps identify potential weaknesses and failure points. This allows for the improvement of product designs and compositions to enhance reliability and durability, reducing the risk of material failures during construction and long - term use. In the construction industry, material failures can lead to structural damage, safety hazards, and costly repairs, so ensuring reliability is crucial.
• Performance Evaluation
  • The data collected from the tests provides valuable insights into how building materials perform under different conditions. Manufacturers can use this information to evaluate the effectiveness of new materials, the impact of different manufacturing processes, and the suitability of materials for specific applications. For example, they can determine if a new type of insulation material can maintain its insulating properties under high - humidity and vibration conditions, or if a particular roofing material can withstand long - term exposure to sunlight and rainfall without significant degradation.
• Quality Control
  • The system serves as a crucial tool for quality control in the building materials industry. By testing building materials products before they are used in construction projects, manufacturers can ensure that they meet the strict quality standards set by the industry, regulatory bodies, and construction specifications. This helps to prevent defective materials from being used, protecting the reputation of the manufacturer and ensuring the safety and quality of buildings.
• Compliance Testing
  • The building materials industry is subject to various national and international standards and regulations regarding the performance and safety of building materials. The random vibration test system combined with the climate test chamber enables manufacturers to conduct compliance testing to ensure that their products meet these requirements. For example, standards may specify the maximum vibration levels, temperature and humidity ranges, and resistance to environmental factors that building materials must withstand.

5. Production and Quality Assurance

• Stringent Manufacturing Process
  • The manufacturing of this combined test system follows strict quality control procedures. Each component, from the random vibration test system's drive system and the climate test chamber's sensors to the control electronics and structural frame, is sourced from reliable suppliers and undergoes thorough inspection and testing. The assembly process is carried out by highly trained technicians in a clean and controlled environment. The system is calibrated and verified at multiple stages during production to ensure its accuracy and performance.
• Quality Certification and Validation
  • Our test system has obtained relevant quality certifications, such as ISO standards for testing equipment and building - specific certifications. It has also been validated by independent testing laboratories to ensure that it meets industry standards and provides accurate and reliable test results. We continuously update and improve our product based on the latest technological advancements and customer feedback to maintain its high quality and performance.

6. Application Areas and Success Stories

• Brick and Block Testing
  • A brick manufacturing company used the system to test a new type of lightweight concrete block. The blocks were subjected to a combination of random vibrations to simulate the handling and transportation during construction and different climate conditions to mimic the long - term exposure in buildings. The testing revealed that the blocks were prone to cracking under high - vibration and freeze - thaw conditions. By adjusting the mix design of the concrete and adding reinforcement fibers, the company was able to improve the block's strength and durability, making it suitable for use in a variety of construction projects.
• Roofing Material Testing
  • A roofing materials manufacturer utilized the system to test a new type of asphalt shingle. The shingles were exposed to a wide range of random vibrations to simulate the impact of wind and hail and extreme temperature and humidity conditions to mimic different climates. The testing showed that the shingles' adhesion to the roof substrate was affected by high - humidity and temperature cycling. By improving the adhesive formula and the shingle's surface texture, the manufacturer was able to enhance the shingles' performance and durability, increasing their lifespan and reducing the risk of leaks.
• Insulation Material Testing
  • A company manufacturing insulation materials used the system to test a new type of foam insulation. The insulation was subjected to random vibrations to simulate the movement and settling in building walls and different climate conditions to evaluate its thermal performance over time. The testing identified that the foam insulation's R - value (thermal resistance) decreased under high - humidity and long - term vibration conditions. By modifying the foam's composition and adding moisture - resistant additives, the company was able to improve the insulation's performance and ensure its effectiveness in different building environments.

7. Service and Support

• Pre - Sales Technical Consultation
  • Our team of building materials testing experts provides in - depth technical consultations to help customers understand the capabilities and suitability of the system for their specific testing needs. We offer demonstrations and training sessions to familiarize customers with the operation and functionality of the system before purchase. We also assist in selecting the appropriate test parameters and accessories based on the building materials products to be tested.
• After - Sales Service and Maintenance
  • We offer comprehensive after - sales service, including on - site installation and commissioning. Our team of experienced technicians is available for regular maintenance, calibration, and emergency repairs. We provide genuine spare parts and timely upgrades to ensure the long - term performance and reliability of the testing system. We also offer service contracts that include preventive maintenance and priority technical support.
• Training and Technical Support
  • We conduct training programs for new users to ensure they can effectively operate the testing system and interpret the test results. Our technical support team is available 24/7 to answer questions, provide troubleshooting assistance, and offer guidance on test method optimization. We also provide software updates and support for the data acquisition and analysis systems to keep the system up - to - date with the latest features and technologies.