【Test Items】
Burst Test Bench is suitable for pressure rise, pressure hold, pressure reduction, and burst tests on pressurized components such as those in automotive (Air Conditioning System, Cooling System) and expansion tanks, filled with liquid (water).
【Technical Parameters】
- Dimensions (approx.): 2200 × 800 × 1300 (mm) overall net dimensions with doors closed;
- Total Weight: 500kg;
- Electrical Power: AC220V(+15%/-10%), 50Hz, 1.0kW;
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Gas Supply: Approx. 0.5-0.7MPa, flow rate >1m³/min;
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Test Items:
1. Burst Test: Direct burst;
2. Hold Pressure Burst Test: Rise-Hold-Burst, pressure and hold time arbitrarily settable;
3. Multi-stage Hold Pressure Test: Rise→Hold→Rise→Hold→Rise→Hold→Rise→Hold→Rise→Hold→Burst, multi-stage rise and hold, pressure and time settable, number of stages selectable;
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Test Pressure: 0.01-5.0Mpa;
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Pressure Rise Rate: 0.12Mpa/min-5Mpa/min, Stepless Adjustable;
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Peak Recording: Recorded by measurement & control software;
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Pressure Range: 0-6MPa;
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Pressure Control Accuracy: ±1.5%FS;
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Pressure Measurement Accuracy: ±0.25%FS;
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Hold Time: Arbitrarily settable;
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Test Medium: Water, Ethylene Glycol mixture;
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High Temperature Medium Tank: 20L;
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Normal Temperature Medium Tank: 10L;
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Material: Stainless Steel;
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Medium Temperature: RT-120℃;
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Heating Pipe Power: 6KW;
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Test Chamber Construction: Exterior: Double-sided galvanized sheet spray coating, Interior chamber: 1.5mm thick 304 stainless steel plate;
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Temperature: Room Temperature;
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Connection Fixture: External Thread, 1 channel Pressurization;
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Safety Observation Door: Observation window uses 17mm bulletproof glass, with lighting system, visible observation window;
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Lower Computer: PLC;
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Upper Computer: Industrial Computer;
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Control Software: Visual Basic;
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Report Format: Microsoft Office;
【Product Advantages】
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Structural design of the computer control cabinet (left side), pressure test system (bottom of burst test bench), and test chamber (right side) adopts a unified style (Colors: Gray fine wrinkle 1022 / White wrinkle 0050 / Trim strip matte burgundy);
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Burst test bench has a more impactful appearance;
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The outer surface of the burst test bench uses 1.5mm sheet metal spray coating;
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Protective visible safety observation window: 17mm bulletproof glass (Polycarbonate fiber thermoplastic plastic, generally Lexan resin);
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Burst test bench interior has lighting for easy observation;
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Uses carbon steel stamping for mechanical equipment, surface spray-painted & galvanized Footmaster casters. The casters can be locked or moved by built-in knobs for height adjustment;
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System joints and pipelines use ultra-high pressure stainless steel joints and high-pressure seamless stainless steel pipes, ensuring system safety. The entire system pipeline has no welding;
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Equipment exterior uses double-sided galvanized sheet spray coating. The test piece chamber uses 1.5mm thick 304 stainless steel plate;
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System pressure rise rate control and display: Specify pressure rise rate and test piece pressure upper limit. During loading, record and draw pressure-time curve. Resolution: Pressure 0.001MPa/division, Time 1s/division; Rate resolution: Intersection precision of horizontal and vertical axes less than 0.001MPa/s;
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This system's pressure sensor includes an external pressure interface, i.e., a comparison/calibration pressure port; The system uses imported high-frequency pressure sensors to achieve high-speed pressure rise rates. Their high sampling frequency allows for more precise control of output pressure and smoother pressure output curves through high-frequency sampling;
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For the selection of the gas-driven pump, this system uses a low-friction, high-flow gas-driven pressurization pump. This results in a small dead zone when the pump starts, and the pump's rapid reversal enables continuous pressurization;
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All liquid pumps are standardly designed with bottom inlet;
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Constant pressure hydraulic source is provided by the gas-driven pressurization pump, combined with a pressure stabilization and accumulator system to provide a stable pressure source, ensuring stable output;
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Automatic acquisition and processing of test data, automatic creation of a test database for timely querying. Data can be stored long-term. Can display test curves and parameters in real-time while storing and recording test results, such as burst peak value, test pressure, etc.; And can export stored data in Office document format. Has the function to print test reports and test pressure curves after test completion. Test reports can be freely edited;
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Equipped with gas spring support for easy opening of the test chamber safety door. Has a lift-up chamber door, nitrogen gas spring support allows easy opening;
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Utilizes proprietary control software developed independently by our company, enabling fully automatic control of the test process, automatic measurement, etc. It features high professionalism, reliability, and easy upgradability, and can be continuously upgraded and improved with the development of testing machine measurement and control technology and changes in test standards;
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The operation interface is simple and convenient. Control software updates and maintenance are simple;
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Main electrical components use imported brand components, ensuring the precision and stability of the testing machine from both control principle and component quality perspectives;
【Control System】
- The computer control system is the center for data acquisition, processing, and control of the entire system, mainly including the pneumatic-hydraulic proportional control system, sensing control system, electrical control system, and control software system.
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The pneumatic-hydraulic proportional control system can run for long periods, continuously, safely, and stably, fully meeting the requirements of burst tests; Pressure control in this system is achieved by the PLC's DA conversion module controlling the electrical proportional valve. Then the electric-pneumatic proportional valve controls a pneumatically controlled pressure reducing valve to achieve output pressure control. Among these, pressure control requires the actuator to have high dynamic response frequency, small feedback lag, small control lag, and small overall pure lag, making it the most complex to control. Through various theoretical derivations, virtual simulations, and actual verifications, the pressure control method has been derived and proven in actual test runs to have high precision, fast speed, good repeatability, and stable operation.
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This Sensing control system uses pressure sensors and controllers. It acquires pressure and medium pressure during the test, and controls the actuators based on the acquired information.
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The electrical control system consists of the strong electricity control system and weak electricity control system.
Strong Electricity Control System: Power supply transformation and safety protection for overload, short circuit, etc., of the power supply system.
Weak Electricity Control System: This system consists of PLC and electrical valves, etc.; The PLC is used for the on/off control of the entire equipment and analog signal output.
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The burst equipment software is divided into upper computer software and lower computer software. The upper computer software is the control service program running on the industrial computer, including HMI functions and data acquisition/processing; The lower computer software is the control program running on the PLC, controlling the on/off, etc., of various actuators.
【Safety Design】
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Safety: The equipment adopts automatic control mode. Set the information required for testing the workpiece (expansion tank, cooling pipe) to achieve normal operation of the equipment. During operation, pressure changes can be displayed in real-time. The equipment is equipped with an overpressure safety valve, automatic alarm stop function, and emergency stop function, ensuring the safety of the equipment, workpiece, and personnel.
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Reliability: All components of the equipment are selected from high-quality brand suppliers, ensuring reliable quality. Core components all use imported brands. The equipment undergoes strict debugging and inspection before leaving the factory to ensure reliable operation.
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Technical Feasibility: Similar equipment has been designed and produced previously by ZWH. The design team has mature technology and can perform detailed and improved design for the equipment.
Company profile
Shenyang Ziweiheng Testing Equipment Co., Ltd. is a professional producer and supplier of testing equipment based in Shenyang, China. With many years of experience in the area, we supply high-quality testing instruments and equipment for use in a variety of industries, including automotive and electronic manufacturing. Our products are well known for their dependability, precision, and durability. We are dedicated to providing our clients with great customer service, on-time delivery, and competitive price. Our objective is to continuously developing and innovating our products to fulfill our clients' ever-changing needs. Contact us immediately for any of your testing equipment need.
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