HAIDA HD-F761 Tri-Station Sofa Fatigue Testing Machine
| Brand | HAIDA INTERNATIONAL |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | HAIDA HD-F761 Tri-Station Sofa Fatigue Testing Machine |
| Quotation | Upon Request |
| Load Capacity | 2 kN × 4 sensors |
| Force Range (Backrest) | 50–900 N |
| Force Range (Seat) | 100–1700 N |
| Static Load (Backrest, GB) | 410–700 N |
| Static Load (Backrest, EN) | 450 N |
| Static Load (Seat, GB/EN) | 1200–1600 N / 1300 N |
| Durability Load (Backrest, GB/EN) | 330 N / 300 N |
| Durability Load (Seat, GB/EN) | 950 N / 1000 N |
| Control System | PLC-based with HMI touchscreen interface |
| Max Sample Dimensions | 2500 × 1200 × 1200 mm (L×W×H) |
| Seat Height Adjustment Range | 280–500 mm |
| Test Frequency | 1–20 cycles/min (adjustable per dwell time requirement) |
| Cycle Count Setting Range | 1–999,999 cycles |
| Overall Dimensions | ~3000 × 1810 × 1830 mm (L×W×H) |
| Weight | 750 kg |
| Power Supply | 1∮ AC 220 V |
| Pneumatic Supply | ≥0.6 MPa |
| Total Power Consumption | ~200 W |
| Compliance Standards | BS EN 1335-3:2009, BS EN 12520:2015, EN 1728:2012, QB/T 2280–2016, GB 10357.3–2013, IKEA TEST METHOD 0028 |
Overview
The HAIDA HD-F761 Tri-Station Sofa Fatigue Testing Machine is an electromechanical test system engineered for standardized durability and static load evaluation of upholstered seating furniture—specifically multi-seat sofas—with simultaneous three-position capability. It operates on a pneumatic-hydraulic hybrid actuation principle, where precision-controlled linear actuators apply repeatable compressive loads to seat and backrest surfaces in accordance with internationally recognized mechanical endurance protocols. The machine replicates real-world usage patterns by executing cyclic loading at defined frequencies, dwell times, and force magnitudes, enabling quantitative assessment of structural integrity, joint fatigue resistance, foam compression set, frame deformation, and long-term dimensional stability under repeated mechanical stress. Designed for laboratory, quality assurance, and certification testing environments, the HD-F761 supports full compliance verification against statutory and voluntary standards including EN 1728, EN 1335-3, GB 10357.3, and IKEA 0028—making it suitable for both pre-market validation and post-production conformity surveillance.
Key Features
- Tri-station independent loading architecture enables concurrent fatigue testing on up to three adjacent seating positions, significantly improving throughput for multi-seat sofa evaluation.
- Four high-accuracy 2 kN load cells integrated into each actuator assembly ensure traceable force measurement with minimal hysteresis and thermal drift.
- Roller-guided loading modules guarantee orthogonal, low-friction vertical displacement—critical for maintaining consistent load vector alignment across extended test durations.
- Integrated pneumatic noise-dampening system reduces operational sound pressure levels without compromising dynamic response or force fidelity.
- Hard-stopped cylinder travel limits prevent over-extension or mechanical collision, enhancing repeatability and protecting both equipment and test specimens.
- Modular base structure combines carbon steel framing with aerospace-grade aluminum extrusions—providing torsional rigidity without requiring floor anchoring or concrete foundations.
- Comprehensive electrical safety design includes short-circuit protection, thermal cutoffs, and emergency stop circuitry compliant with IEC 60204-1 requirements.
Sample Compatibility & Compliance
The HD-F761 accommodates sofas with maximum external dimensions of 2500 mm (L) × 1200 mm (W) × 1200 mm (H), and adjustable seat height ranging from 280 mm to 500 mm to align with anthropometric reference points specified in EN 1728 and GB 10357.3. Its programmable load application geometry supports all standard test configurations: seat front edge static loading (per EN 1728 §6.4), combined seat-back endurance cycling (per EN 1728 §6.17 & §7.9), backrest-only fatigue (per EN 1335-3 §7.2.2 & §7.3.1), and multi-position worst-case loading scenarios as required by QB/T 2280–2016. All force profiles—including static hold durations, ramp rates, and dwell periods—are fully configurable within the PLC logic to meet clause-specific requirements across GB, EN, and IKEA specifications. The system is designed to facilitate audit-ready documentation for ISO/IEC 17025-accredited laboratories conducting furniture safety and performance testing.
Software & Data Management
The HD-F761 employs a robust industrial PLC control platform paired with a 7-inch resistive touchscreen HMI interface supporting dual-language operation (English and Simplified Chinese). Test parameters—including cycle count, frequency, target load, dwell time, and actuator sequence—are configured via intuitive graphical menus with password-protected access levels for operator, supervisor, and administrator roles. Real-time force feedback, cycle counter status, and fault diagnostics are continuously displayed during operation. A non-volatile memory module preserves all active test data—including elapsed cycles, peak loads, and anomaly timestamps—in the event of unexpected power loss, allowing seamless resumption or forensic review upon restart. Exportable CSV logs include timestamped force vs. time traces for each sensor channel, enabling downstream statistical analysis in third-party software such as MATLAB or Minitab. While the system does not implement FDA 21 CFR Part 11 electronic signature functionality out-of-the-box, its deterministic PLC architecture and immutable cycle logging provide foundational traceability compatible with GLP/GMP-aligned QA workflows when deployed with documented SOPs.
Applications
This instrument serves core applications in furniture R&D labs, third-party certification bodies (e.g., SGS, TÜV, Intertek), and OEM manufacturing QA departments. Typical use cases include: validation of new foam density formulations against compression set thresholds; comparative fatigue life benchmarking between hardwood and engineered wood frame constructions; verification of weld/joint integrity in metal-framed sectional sofas; qualification of upholstery attachment methods (stapling vs. adhesive bonding) under cyclic shear loading; and regulatory submission support for CE marking, CCC certification, or North American market entry (ANSI/BIFMA compliance extension possible via custom fixture adaptation). Its tri-station capability also supports accelerated aging studies where identical test conditions must be replicated across multiple units for statistical significance—particularly valuable in batch release testing and supplier qualification programs.
FAQ
What international standards does the HD-F761 directly support?
It is configured to execute test sequences defined in BS EN 1728:2012, BS EN 1335-3:2009, GB 10357.3–2013, QB/T 2280–2016, and IKEA TEST METHOD 0028, with force ranges and timing parameters aligned to relevant clauses.
Can the machine perform both static and dynamic tests simultaneously?
Yes—its independent actuator control allows concurrent execution of static seat front edge loading (per EN 1728 §6.4) while other stations perform cyclic backrest fatigue (per EN 1728 §7.9), provided fixture geometry permits physical separation.
Is calibration traceability available for the load cells?
Standard configuration includes four 2 kN sensors calibrated to ISO/IEC 17025-accredited laboratories; certificate of calibration with uncertainty values is supplied with each unit.
What maintenance intervals are recommended for pneumatic components?
Air filter lubricators require quarterly inspection and annual replacement; cylinder seals should be inspected every 10,000 cycles or biannually, whichever occurs first.
Does the system support remote monitoring or network integration?
The base model features isolated RS-232 and digital I/O ports; optional Ethernet/IP or Modbus TCP gateway modules are available for SCADA-level integration and centralized lab data aggregation.
