Adjustable Vibration Test Table Machine For Electronics Automotive And Mechanical Industries
Λεπτομέρειες προϊόντος
| Συχνότητα: | 2000Hz | ημιτονοειδής δύναμη: | 50kN / 5000kg |
|---|---|---|---|
| Τυχαία δύναμη: | 50kN / 5000kg | Δύναμη σοκ: | 98kN /9800kg /9918lbf |
| Κανάλι: | 2/4/8/16 | Μέγιστη επιτάχυνση: | 100G |
| Μέγιστη μετατόπιση: | 100mm (4 ")/76mm (3")/51mm (2 ") | Μέγιστο φορτίο: | 800 κιλά |
| Μάζα κινούμενα μέρη: | 20 κιλά | Διάμετρος οπλισμού: | 335 χιλιοστά |
| Επισημαίνω |
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Περιγραφή προϊόντος
TV Refrigerator Freezer Washer Homeappliance Package ISTA3A 6A Vibration Test Table. Suitable for product testing in electronics, automotive, and mechanical industries, offering flexible testing solutions.
| Attribute | Value |
|---|---|
| Frequency | 2000Hz |
| Sine force | 50kN /5000kg |
| Random force | 50kN /5000kg |
| Shock force | 98kN /9800kg/9918lbf |
| Channel | 2/4/8/16 |
| Maximum acceleration | 100g |
| Maximum displacement | 100mm (4")/76mm (3")/51mm (2") |
| Maximum load | 800KG |
| Moving parts mass | 20KG |
| Armature diameter | 335mm |
The Adjustable Vibration Test Table is ideal for applications requiring high-performance vibration or shock testing of large payloads. Our High Force series shakers provide engineers with reliable solutions for developing robust products, including satellites and missiles.
- Peak force ratings from 89 kN to 289 kN - the highest available force of any shaker available today
- Wide frequency range up to 2,500 Hz
- High-performance armature design with water-cooled coils for excellent acceleration and velocity performance
- Automatic armature and body position load compensation system for larger loads
- Lin-E-Air suspension system for improved low-frequency performance and vibration isolation
- Rolling strut armature suspension system with up to 50.8 mm displacement for sine operation
- Vertical or horizontal operation, with optional slip table
- Thermal barriers available for improved environmental test capability
- Compatible with COMETUSB and NETWORK vibration controllers
| Specification | Value |
|---|---|
| Frequency Range (Hz) | 5~2700 |
| Sine force (KN) | 50 |
| Shock force (KN) | 100/150 |
| Max. acceleration (m/s²) | 980 |
| Max. speed (m/s) | 2 |
| Max. Displacement (mm p-p) | 51/76 |
| Max. load (kg) | 800 |
| Vibration isolation frequency(Hz) | 2.5 |
| Shaking table type | JQ-50 |
| Moving parts weight (kg) | 50 |
| Armature diameter (φmm) | 450 |
| Allowable eccentric moment(Nxm) | 980 |
| Outer dimension (W*H*D) | 1650*1180*1060 |
| Shaker weight (kg) | 4500 |
| Specification | Value |
|---|---|
| Frequency Range (Hz) | 5~2700 |
| Sine force (KN) | 40 |
| Shock force (KN) | 80/120* |
| Max. acceleration (m/s²) | 980 |
| Max. speed (m/s) | 2 |
| Max. Displacement (mm p-p) | 51/76* |
| Max. load (kg) | 500 |
| Vibration isolation frequency(Hz) | 2.5 |
| Shaking table type | JQ-40 |
| Moving parts weight (kg) | 40 |
| Armature diameter (φmm) | 440 |
| Allowable eccentric moment(Nxm) | 490 |
| Outer dimension (W*H*D) | 1200*1120*900 |
| Shaker weight (kg) | 3000 |
Refrigerators, as essential household and commercial appliances, rely on stable operation to preserve food and maintain internal temperature. Vibration--whether from internal components (compressor, fan) or external factors (floor instability, transportation)--can degrade performance, cause noise, or even damage parts over time. The Refrigerator Vibration Test is a critical quality control and reliability assessment process designed to simulate real-world vibration scenarios, identify weaknesses, and ensure compliance with industry standards.
The primary goals of refrigerator vibration testing are to validate the appliance's ability to withstand vibration without functional or structural failure. Key objectives include:
- Evaluate structural integrity: Ensure the cabinet, shelves, door hinges, and internal components (e.g., evaporator coils) do not loosen, crack, or deform under vibration.
- Verify functional stability: Confirm the compressor, condenser fan, and temperature control system operate normally (e.g., no temperature fluctuations, no compressor shutdowns) during and after vibration.
- Minimize noise emissions: Detect vibration-induced noise (e.g., rattling shelves, loose parts) and optimize design to meet noise standards (e.g., ≤40 dB for residential fridges).
- Validate transportation durability: Simulate vibrations during shipping (e.g., truck, container transport) to prevent damage before the product reaches consumers.
- Comply with industry standards: Meet requirements from global bodies like IEC, ISO, ASTM, or regional regulations (e.g., EN 60335 for Europe, DOE standards for the U.S.).
Vibration testing for refrigerators is governed by internationally recognized standards, which define test conditions, equipment, and pass/fail criteria. Below are the most relevant standards:
| Standard Body | Standard Number | Scope & Key Requirements |
|---|---|---|
| IEC (International Electrotechnical Commission) | IEC 60335-2-24 | Specific to household refrigerating appliances. Covers vibration during transport (sinusoidal and random vibration) and normal use (steady-state vibration from internal components). |
| ISO (International Organization for Standardization) | ISO 10816-3 | Focuses on mechanical vibration of rotating machinery (e.g., compressors). Defines vibration severity levels for fridge compressors to avoid premature failure. |
| ASTM International | ASTM D4728 | Tests packaging and product durability during transportation. Simulates truck vibrations (random vibration with frequency ranges of 2-200 Hz) for shipping validation. |
| EN (European Norm) | EN 60335-2-24 | Adopts IEC 60335-2-24 with minor regional adjustments. Mandatory for fridges sold in the EU. |
| DOE (U.S. Department of Energy) | 10 CFR Part 430 | Includes indirect vibration-related requirements (e.g., noise limits) to ensure consumer comfort and energy efficiency (vibration can increase compressor energy use). |
Refrigerator vibration tests are categorized based on the source of vibration (internal vs. external) and use case (transport vs. in-service). Below are the most common test types:
Simulates vibrations encountered during shipping (trucks, trains, ships) to prevent damage in transit. This is the most critical test for manufacturers.
- Vibration type:
- Sinusoidal vibration: Simulates periodic vibrations (e.g., truck engine idling at 50-100 Hz).
- Random vibration: Simulates unpredictable vibrations (e.g., rough roads, container loading) with a frequency range of 2-200 Hz (common for road transport) or 1-500 Hz (for air transport).
- Test setup: The fridge is secured to a vibration shaker table (same orientation as during shipping: upright or horizontal). Loads (e.g., water bottles to simulate food) may be added to mimic real use.
- Duration: Typically 30 minutes to 4 hours per axis (X, Y, Z) to cover all transportation directions.
Simulates vibrations the fridge experiences during normal operation (e.g., from the compressor, fan, or nearby appliances like washing machines).
- Vibration source:
- Internal: The compressor (runs at 50-60 Hz for AC models, 100-200 Hz for DC inverter models) and evaporator fan (200-500 Hz) generate steady-state vibration.
- External: Vibrations from adjacent appliances (e.g., washing machines at 100-300 Hz) or floor vibrations (e.g., from foot traffic).
- Test setup: The fridge is placed on a stable surface (or shaker table for external vibration). Sensors (accelerometers) are attached to the cabinet, door, and compressor to measure vibration amplitude.
- Key metrics: Vibration amplitude (≤0.1 g for residential fridges, where "g" is gravitational acceleration) and noise level (≤45 dB at 1 meter).
While not strictly "vibration," shock tests simulate sudden impacts (e.g., dropping a package, rough handling) that can induce transient vibration. Standards like IEC 60068-2-27 define shock parameters (e.g., 1000 m/s² acceleration for 11 ms) to test the fridge's resistance to abrupt forces.
Specialized equipment is required to generate, measure, and control vibration. Key tools include:
- Vibration shaker table: Generates sinusoidal or random vibration. Available in sizes from small (for components) to large (for full-size fridges).
- Accelerometers: Sensors that measure vibration amplitude (in m/s² or g) and frequency. Mounted on critical parts (compressor, cabinet, door) to capture real-time data.
- Data acquisition system (DAQ): Collects and analyzes data from accelerometers (e.g., vibration frequency, amplitude, duration). Software like LabVIEW or DIAdem is used to visualize results.
- Sound level meter: Measures noise emissions (in dB) to ensure compliance with noise standards.
- Temperature data loggers: Monitor internal fridge temperature during testing to confirm no functional disruption (e.g., temperature rise ≤2°C for a 2-hour test).
- Fixture: Secures the fridge to the shaker table to avoid movement during testing (mimics real shipping/use conditions).
We are a large-scale professional manufacturer specializing in R&D, production and sales of vibration test systems, environmental test chambers and battery testing equipment. With our team of experienced R&D engineers and comprehensive after-sales service, we provide high-quality products and one-stop solutions for numerous top enterprises and end users.
Our products are manufactured in strict accordance with ISO9001 standards and meet various international standards including ISO, ASTM, DIN, EN, BS, UL, JIS, GB/T, and GJB. They are widely used in new energy vehicles, aerospace, shipping, electronics industries, and scientific research institutions.
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