Development path of ZWH (Ziwei Test)
Shenyang Ziwei Electromechanical Equipment CO.,Ltd. was established and started business.
The first domestic plastic pipe pressure resistance burst test bench was developed successfully.
The first domestic valve test bench was developed successfully.
Keep innovating.
The first domestic bathroom nozzle pressure flow test system was developed successfully.
Breakthrough field.
The pilot unit of experimental training base of National Building Energy Conservation Testing Center.
Why Choose Us
Professional Team
ZWH pays great attention to the development of employees, the company has developed to the present day, which has emboldened the loyalty, enthusiasm and creativity of all employees, thus forming a team with appeal, cohesion and centripetal force.
One-stop Solution
We can offer a range of services, from consultation and advice to product design and delivery. It is a convenience for the customers, as they can get all the help they need in one place.
Rich Experience
Dedicated to strict quality control and attentive customer service, our experienced staff is always available to discuss your requirements and ensure complete customer satisfaction.
After-Sale Service
Professional and thoughtful after -sales team, let you worry about us after -sales Intimate service, strong after -sales team support.
Engine Oil Cooler Burst Air Tightness Testing Equipment
Advanced technology and reasonable structure design. Engine Oil Cooler Burst Air Tightness Testing Equipment has the characteristics of small size, light weight and elegant appearance.
All pressure-bearing parts have no welding connection, which is convenient for disassembly, high safety factor, long service life and easy maintenance.
Intercooler Gas Impulse Testing Equipment
According to the standard JB/T10506-2005; GB/T 23338-2009; QC/T 828-2010; B22 7110-20091105-B; GME 8760 ： 2004; GMW 14726 ： 2007; GMW 15408 ： 2008; GMW 16153 ： 2009 Technical Parameters Pressure range: 0~0.5MPa arbitrarily set Impulse frequency: 0~0.5Hz arbitrarily set Number of test
Automotive Radiator Vacuum Test Equipment
Automotive Radiator Vacuum Test Equipment is used for vacuum testing requirements for automotive radiators and other components, equipment performance fully meets the relevant test standard requirements.
Radiator Hot Cold Impact Test Equipment
Radiator Hot Cold Impact Test Equipment can carry out temperature cycle test on the test piece, simulate the test condition of radiator hot and cold impact, connect the test piece to the test circuit with hot and cold impact cycles, adjust and control the impact system and test the fatigue life.
Radiator Internal Corrosion Tester
Radiator internal corrosion test stand is used for aluminum water tank, heater radiator element and aluminum water-cooled oil cooler simulate internal corrosion test and turbidity destructive test under the working condition of engine coolant.
Heat Exchanger Cold Hot Cycle Impact Test Stand
Heat Exchanger Cold Hot Cycle Impact Test Stand is one of the necessary test equipment for the quality inspection of heat exchangers.
【Equipment introduction】 Radiator pulse test stand designed and manufactured by Ziweiheng is a high-performance test stand developed by absorbing advanced foreign experience and combining the actual needs of the corresponding domestic industries.
Sensor Pressure Alternating Test Stand
Sensor Pressure Alternating Test Stand, China, manufacturers, suppliers, factory, customized, buy, price, cheap, Radiator Internal Corrosion Test Stand, Heat Exchange System Test Equipment, Evaporator Impulse Test Stand, Radiator Burst Test Stand, Impulse Test Stand, Intercooler Gas Impulse Testing Machine
Radiator Torsional Vibration Test Stand
【Applicable standards】 QC/T 468-2010 Automobile radiator JA 1301-10D-1-2013 【Technical Parameters】 Ambient temperature: Room temperature; Working medium: Water-glycol; Heating temperature: Room temperature +10℃～140±3℃ (Test piece inlet temperature)
At its core, Radiator Burst Tester involves subjecting a material, usually in the form of a sealed sample or container, to increasing internal pressure until it ruptures. The pressure is typically applied using a hydraulic or pneumatic system, and the process is closely monitored to record the pressure at which the rupture occurs. This critical point is then used to assess the burst strength of the material.
Radiator Burst Tester are conducted under controlled conditions to ensure accurate and repeatable results. The data obtained from these tests is essential for quality control, product development, and regulatory compliance across a wide range of industries, including manufacturing, packaging, automotive, aerospace, and more.
Benefits of Pulse Test Stand
Safety
These industries deal with high-pressure systems and equipment, such as pipelines, pressure vessels, and storage tanks. Calculating burst strength and performing Pulse Test Stand help ensure that these components can withstand internal pressure without failure or rupture, thereby reducing the risk of accidents, leaks, or catastrophic failures.
Compliance
Regulatory bodies often require companies in these industries to adhere to specific safety standards and guidelines. Conducting Pulse Test Stand and determining burst strength is a crucial aspect of compliance, as it demonstrates that the equipment and materials used meet the required safety standards.
Quality Assurance
Pulse Test Stand is a critical quality assurance measure, especially during the manufacturing process of components and materials. By conducting these tests, manufacturers can verify the integrity and reliability of their products, ensuring that they meet the specified performance criteria.
Material Selection
Calculating burst strength and performing Pulse Test Stand aid in the selection of suitable materials for different applications. It helps engineers and designers choose materials that can withstand operational pressures and environmental conditions, ensuring long-term performance and durability.
Preventing Costly Failures
Identifying weak points in materials through Pulse Test Stand allows companies to address potential vulnerabilities before they become costly issues. It enables proactive maintenance and replacement of components, minimizing downtime and preventing expensive repairs or replacements.
Product Development
For new product development in these industries, Pulse Test Stand is crucial to validate design concepts and ensure the safety and reliability of the final product.
Types of Pulse Test Stand
Several methods of Pulse Test Stand are commonly used, each catering to different types of materials and applications:
Diaphragm Pulse Test Stand
This method involves clamping a material sample between two diaphragms and subjecting it to increasing pressure until the diaphragm ruptures. It's often used for flexible materials like plastics, rubber, and textiles..
Constant-Rate-of-Traverse (CRT) Pulse Test Stand
CRT testing applies a constant force to a sample, resulting in a gradually increasing pressure. This method is suitable for rigid materials such as metal or glass.
Mullen Pulse Test Stand
Commonly used in the paper and packaging industry, Mullen Pulse Test Stand measures the pressure required to rupture a sheet of paperboard. It helps assess the strength and durability of packaging materials.
Ball Pulse Test Stand
In this method, a metal ball is pressed against a material until it bursts. It's often used for evaluating the burst strength of nonwoven materials and textiles.
Why applying Pulse Test Stand?
In comparison to well testing, Pulse Test Stand employs a number of pulses rather than a single one. Therefore, it requires more time. However, there are two important advantages. First, the deployment is simple. A regular pump must be switched at well-defined moments while rates and pressures are monitored. This can all be done with standard equipment. Second, harmonic pulse tests can be performed while other operations are ongoing. This saves expensive non-productive time. Even more important, it facilitates the use of the technique as a monitoring tool during operations. As an example, the effect of stimulation can be assessed in real time by superposition of a pulse on top of an injections schedule. This way, the injectivity during different background injection rates can be followed.
How to conduct Pulse Test Stand?
The first operational decision, prior to the application of Pulse Test Stand, is the determination of the pulse durations, i.e. the fundamental period. This parameter depends critically on the expected reservoir properties and on the pulse test configuration. Expected values for the parameters can be used with the theoretical relationships to determine for what values reasonable signals can be expected. This is also related to the choice whether monitoring is employed in the pulser well only or also in an observer well.
The number of pulses must be sufficient to obtain the frequency information. Usually, 7 to 10 pulses suffice.
To be able to obtain a maximum amount of useable frequencies, high-quality data are required. The least critical component of the data is the : it should be in the order of 5 to 10%. More important are timing parameters. or higher is preferred. Secondly, the moment of switching between rates should be controlled to within 2 or 3 times this sampling rate. Otherwise, higher frequencies will not appear clear enough in the frequency spectrum. Finally, the clocks for sampling the rates and the pressures should be synchronized to the same precision.
How the Pulse Test Bench Works
Pulse Test Stand is a testing method used to evaluate the performance and durability of materials, components or systems under repeated stress or impact loading. Its working principle is based on simulating the rapidly changing pressure conditions that may be encountered in actual applications to examine the response and reliability of the target object under these conditions.
During Pulse Test Stand, a pneumatic or hydraulically driven device is typically used to generate pressure pulses. These pressure pulses can be sinusoidal, square, sawtooth or other more complex waveforms, depending on the specific testing requirements and standards. The test equipment generates a series of pressure pulses, the duration, amplitude and frequency of each pulse can be adjusted as needed.
Key parameters for Pulse Test Stand include the peak pressure of the pulse, pulse width (i.e. the time it takes for the pressure to rise and fall), pulse repetition frequency and the total length of the test cycle. By varying these parameters, different operating conditions and stress levels can be simulated.
During testing, sensors and data acquisition systems are used to monitor the pressure exerted on the test sample and how the sample responds. These data can be used to calculate the dynamic properties of the specimen, such as fatigue life, stress relaxation, creep or fracture toughness. For some applications, temperature, vibration, and other environmental factors may also be monitored to obtain more comprehensive test results.
Pulse Test Stand is critical to ensure that the product can withstand the pressure fluctuations that may be encountered in actual use. It is widely used in aerospace, automotive, petrochemical, electronics and other engineering fields to verify the design and manufacturing quality of materials and components. Through Pulse Test Stand, engineers can optimize product designs, prevent potential failure modes, and improve product reliability and safety.
Our Factory
Development path of ZWH (Ziwei Test)
1996: Shenyang Ziwei Electromechanical Equipment CO.,Ltd. was established and started business.
1997: The first domestic plastic pipe pressure resistance burst test bench was developed successfully.
The first domestic valve test bench was developed successfully.
1998: Keep innovating.
The first domestic bathroom nozzle pressure flow test system was developed successfully.
2001: Breakthrough field.
The pilot unit of experimental training base of National Building Energy Conservation Testing Center.
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