FY-LLWF Zipper Reciprocating Fatigue Testing Machine
| Origin | Guangdong, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | FY-LLWF |
| Pricing | Available Upon Request |
| Reciprocating Stroke | 75 mm |
| Lateral Clamp Width | 25 mm |
| Longitudinal Clamp Mass | 0.28–0.34 kg |
| Center-to-Center Distance Between Clamps | 6.35 mm |
| Sample Opening Angle | 60° |
| Sample Meshing Angle | 30° |
| Counter | LCD, 0–999,999 cycles |
| Power Supply | 1-phase AC 220 V, 3 A |
| Test Speed | 30 cycles/min (constant velocity) |
| Compliance Standard | CNS 1083 |
Overview
The FY-LLWF Zipper Reciprocating Fatigue Testing Machine is a precision-engineered mechanical endurance tester designed to evaluate the functional durability and structural integrity of zippers under controlled, repetitive longitudinal and lateral loading conditions. Operating on the principle of cyclic mechanical actuation, the instrument subjects standardized zipper specimens to a defined number of reciprocating pull cycles—driven at a constant velocity of 30 cycles per minute—while maintaining calibrated spatial constraints between clamping fixtures. This methodology replicates real-world usage stress patterns, including slider translation resistance, tooth interlocking stability, and fabric-anchor retention under dynamic tension. The system is purpose-built for quality assurance laboratories in textile, apparel, luggage, and outdoor gear manufacturing, where regulatory conformance and long-term performance predictability are critical to product reliability and brand reputation.
Key Features
- Programmable reciprocating motion with precise 75 mm stroke length, ensuring consistent travel amplitude across all test runs.
- Dual-axis clamping configuration: lateral clamp with 25 mm jaw width accommodates varying tape widths; longitudinal clamp applies calibrated static mass (0.28–0.34 kg) to simulate realistic tensile preload.
- Fixed geometric alignment: center-to-center distance between clamps maintained at 6.35 mm to enforce standardized specimen geometry during cycling.
- Controlled angular positioning: sample opening angle set at 60° and meshing angle at 30° to replicate industry-standard engagement states defined in CNS 1083.
- High-resolution LCD cycle counter (0–999,999) with non-volatile memory, enabling traceable test logging without manual intervention.
- Robust electromechanical architecture powered by single-phase 220 V AC supply (3 A), optimized for stable operation in ISO/IEC 17025-accredited lab environments.
Sample Compatibility & Compliance
The FY-LLWF accommodates standard metal, plastic, and coil-type zippers ranging from #3 to #10 gauge, with tape widths up to 25 mm. Specimens must be preconditioned per ASTM D1776 or ISO 139 prior to testing to normalize moisture and temperature effects. All test procedures strictly adhere to CNS 1083 (Chinese National Standard for Zipper Performance Testing), which governs evaluation criteria for slider operability, tooth separation resistance, and catastrophic failure modes—including slider jamming, tooth disengagement, tape tearing, and anchor point rupture. The machine’s mechanical repeatability supports GLP-compliant reporting when integrated with laboratory documentation systems.
Software & Data Management
While the FY-LLWF operates as a standalone electromechanical tester without embedded PC software, its LCD counter output is compatible with external data acquisition via RS-232 or TTL-level pulse output (optional interface module available). Cycle count logs can be exported to CSV or Excel formats for integration into LIMS platforms or statistical process control (SPC) dashboards. Audit trails—including operator ID, test start/stop timestamps, and cycle thresholds—are manually recorded in accordance with ISO/IEC 17025 clause 7.7 and FDA 21 CFR Part 11 requirements when paired with validated electronic notebooks.
Applications
- Pre-production validation of zipper assemblies in backpacks, suitcases, and military-grade gear.
- Comparative fatigue benchmarking across supplier batches to enforce incoming material specifications.
- R&D support for novel slider materials (e.g., lightweight alloys, polymer composites) and tooth geometries.
- Root cause analysis of field failures through accelerated life testing aligned with MTTF modeling protocols.
- Third-party certification testing for OEKO-TEX® Standard 100, bluesign®, and UL 94 flame-retardant zipper compliance programs.
FAQ
What standards does the FY-LLWF comply with?
It is fully aligned with CNS 1083 and supports test execution per supplementary clauses of ISO 105-X12 and ASTM F2277 for zipper durability assessment.
Can the test speed be adjusted beyond 30 cycles/min?
No—the drive mechanism is fixed at 30 cycles/min to ensure mechanical synchronization with CNS 1083-defined timing parameters and minimize inertial artifacts.
Is calibration certification included with shipment?
Yes, each unit ships with a factory-issued calibration report traceable to CNAS-accredited reference standards, covering stroke length, cycle timing, and clamp mass verification.
What maintenance is required for long-term accuracy?
Biannual lubrication of lead screws and visual inspection of clamp jaw surfaces are recommended; no recalibration is needed unless mechanical impact or environmental exposure exceeds IP20 operating limits.
Does the machine support automated pass/fail judgment?
No—it delivers objective cycle counts and observable failure evidence; final pass/fail determination follows predefined acceptance criteria documented in the user’s internal QA protocol.
