Wire Rope Fatigue Testing Machine
Category：Torsion Testing Machine
Introduction
The Elevator Wire Rope Bending Fatigue Testing Machine is designed for fatigue performance testing of elevator wire ropes and stainless steel wire ropes. It is mainly used to determine the number of bending fatigue cycles when the first wire breaks, or when one strand or the entire wire rope specimen breaks during repeated bending fatigue tests.The machine allows presetting of the required bending fatigue cycles. When the specimen reaches the preset fatigue cycle count, the equipment automatically stops. In case of specimen breakage, the machine will also automatically stop and activate an alarm function, ensuring safe and reliable testing operation.
Standards
GB 7588 — Safety Rules for the Construction and Installation of Lifts
GB 8903 — Steel Wire Ropes for Elevators
GB/T 12347 — Method of Bending Fatigue Test for Steel Wire Ropes
GB/T 24478 — Traction Machine for Electric Lifts
Applications
The Elevator Wire Rope Bending Fatigue Testing Machine is mainly used for evaluating the bending fatigue performance, durability, and service life of elevator wire ropes.
Typical applications include:
Elevator Manufacturing Industry
Testing fatigue resistance and reliability of elevator traction wire ropes.
Wire Rope Production Industry
Conducting quality inspection and performance evaluation of steel wire ropes.
Elevator Component Testing Laboratories
Used for product development, quality control, and compliance testing.
Research Institutes and Third-Party Testing Organizations
Performing fatigue life analysis and reliability research of wire rope materials.
Technical Specifications
| Item | Specification |
|---|---|
| Test Wire Rope Diameter | 5–16 mm |
| Maximum Test Tension | 500–10.000 N (including the total weight of rope pulley, counterweights, and other components; adjustable according to the minimum breaking force of the specimen) |
| Test Section Length | 100–900 mm (customizable according to specimen requirements) |
| Test Frequency | 20–40 cycles/min (customizable according to customer requirements) |
| Fatigue Cycle Setting and Display | Fatigue cycles can be freely preset and displayed |
| Automatic Stop Function | Automatically stops when the preset number of fatigue cycles is reached (e.g., automatically stops after 50.000 cycles) |
| Jog Operation Function | Equipped with manual jog function during testing |
| Sub Counter Range | 0–999.999 cycles |
| Drive Wheel Diameter | 300 mm (or customized according to customer requirements) |
| Wrap Angle | Less than 180° ± 2° |
| Groove Arc Radius R | 0–0.05 |
Key Features
Accurate Fatigue Life Evaluation
Determines bending fatigue cycles until the first wire fracture, strand breakage, or complete rope failure.
Provides reliable data for evaluating wire rope service life.
Automatic Cycle Control
Supports presetting of fatigue test cycles.
Automatically stops when the preset number of cycles is reached.
Breakage Detection and Alarm Function
Automatically detects specimen failure.
Stops operation and activates an alarm after wire rope breakage.
High Stability and Reliability
Rigid mechanical structure ensures stable operation during long-term fatigue testing.
Suitable for continuous high-cycle fatigue tests.
Wide Application Range
Suitable for elevator wire ropes, stainless steel wire ropes, and other metal rope materials.
Safety Protection Design
Equipped with automatic shutdown and alarm protection systems.
Ensures safe operation during fatigue testing.
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