Suspension Spring Six-Component Force Testing Machine
Category：Torsion Testing Machine
Introduction
The Suspension Spring Six-Component Force Testing Machine is a specialized testing system designed for comprehensive performance evaluation of automotive suspension springs under axial and lateral loading conditions.
Application
The Suspension Spring Six-Component Force Testing Machine is mainly used to test the spatial force characteristics of suspension springs under lateral loading conditions. It can accurately measure key parameters such as axial test force, lateral test force, force application point coordinates, and force vector (magnitude and direction) at a specified deformation or spring height.
Applicable Standards
GB/T 1239.2 — Cold Coiled Helical Compression Springs — Technical Requirements
GB/T 19844 — Springs for Mechanical Applications — Technical Requirements
GB/T 1805 — Spring Terminology
GB/T 23935 — Helical Compression Springs — Technical Specifications
QC/T 484 — Automobile Suspension Spring Technical Conditions
QC/T 491 — Automotive Coil Spring Performance Requirements and Test Methods
ISO 26909 — Springs — Vocabulary
ISO 10243 — Tool Dies — Compression Springs — Specifications
ASTM A125 — Standard Specification for Steel Springs
JJG 139 — Verification Regulation of Tension, Compression and Universal Testing Machines
GB/T 16825.1 — Verification of Static Uniaxial Testing Machines
Main Technical Specifications
| Item | Technical Parameters |
|---|---|
| Maximum Axial Test Force | 10 kN / 20 kN |
| Maximum Radial Test Force | X Axis: 2 kN; Y Axis: 2 kN |
| Testing Machine Accuracy Grade | Grade 1 |
| Effective Force Measurement Range (Axial & Radial) | 1%–100% of Full Scale |
| Minimum Force Resolution | 0.05% of Full Scale for Each Range |
| Force Indication Error | ≤ ±1% |
| Minimum Displacement Resolution | 0.01 mm |
| Displacement Accuracy | ≤ ±(50 + 0.15λ) μm |
| Loading Speed Range | 0.05–500 mm/min |
| Effective Test Space | >600 mm |
| Compression Plate Diameter | Ø300 mm |
| Motor Power | 1.5 kW |
Structure and function
The machine consists of a main frame, six-component force measurement system, control system, software system, safety protection system, and auxiliary devices. It adopts a computer-controlled gantry structure, dual ball screw transmission, AC servo drive, and planetary gear reducer, providing high precision, stable operation, and reliable performance.
In addition to the functions of a conventional microcomputer-controlled spring tension and compression testing machine, it is equipped with a dedicated six-component force measurement and control system. The system can accurately measure the actual magnitude and direction of loads generated inside automotive suspension springs after axial compression, providing reliable data support for the design of vehicle safety, handling, and comfort performance.
The machine can precisely determine:
The coordinate values of the starting and ending points of the resultant force.
The magnitude and direction of the resultant force.
The lateral test force.
The force application position coordinates between the upper and lower compression plates.
By inputting the tolerance radius of the upper and lower loading points, the system can automatically determine whether the suspension spring meets the qualification requirements.
Main Features
Computer-controlled automatic testing system with high automation.
Gantry-type frame structure with excellent rigidity and stability.
Dual ball screw transmission and AC servo drive ensure accurate loading.
Dedicated six-component force measurement system for suspension spring testing.
Accurately measures axial force, lateral force, force direction, and force application coordinates.
Automatically calculates resultant force magnitude and direction.
Real-time display of upper and lower compression plate coordinates and force application points.
Equipped with automatic compression plate alignment function for convenient operation.
Supports sensor calibration and parameter storage functions.
Automatic alarm and shutdown protection when test parameters exceed preset limits.
Intelligent software system with simple interface and easy operation.
Suitable for research, development, quality inspection, and production control of automotive suspension springs.
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