Computer Controlled Foam Universal Testing Machine
Category：Universal Strength Tester
Introduction
The Computer Controlled Foam Universal Testing Machine is designed for mechanical property testing of soft polymer foam materials. The system adopts servo motor drive with double precision ball screw transmission and high-precision force measurement technology. It is capable of performing tensile, compression, tearing, hardness, and compression permanent deformation tests on polyurethane foam materials, providing accurate measurement of force, displacement, deformation, stress, and strain parameters.
Application
(1) Tensile strength and elongation at break testing of soft polyurethane foam.
(2) Tear strength determination of soft foam polymer materials.
(3) Compression hardness testing of polyurethane foam.
(4) Compression permanent deformation (compression set) testing of foam materials.
(5) Stress–strain behavior analysis of foam polymers.
(6) Quality control and material research in foam manufacturing laboratories.
(7) Performance evaluation of foam materials in research institutes and inspection organizations.
Standards
(1) GB/T 6344-2018 — Determination of Tensile Strength and Elongation at Break of Flexible Cellular Polymer Materials
(2) GB/T 6669-2008 — Determination of Compression Set of Flexible Cellular Polymer Materials
(3) GB/T 10807 — Test Method for Compression Hardness of Flexible Cellular Polymer Materials
(4) GB/T 10808 — Test Method for Tear Properties of Flexible Cellular Polymer Materials
(5) ISO 1798 — Flexible Cellular Polymeric Materials — Determination of Tensile Strength and Elongation at Break
(6) ISO 1856 — Flexible Cellular Polymeric Materials — Compression Set
(7) ISO 3386 — Flexible Cellular Polymeric Materials — Determination of Stress-Strain Characteristics in Compression
(8) ASTM D3574 — Standard Test Methods for Flexible Cellular Materials — Slab, Bonded, and Molded Urethane Foams
(9) HY-0580 — Enterprise Standard
Parameters
| Item | Specification |
|---|---|
| Testing machine grade | 0.5 |
| Maximum test force | 1 kN – 20 kN |
| Effective force measurement range | 0.4% – 100% FS |
| Load measurement accuracy | ±0.5% |
| Force resolution | 1 / 300000 |
| Displacement measurement range | 0 – 999 mm |
| Displacement resolution | 0.001 mm |
| Displacement accuracy | ±0.5% |
| Beam deformation measurement accuracy | ±0.5% |
| Beam deformation measurement range | 600 mm |
| High-precision sensor accuracy | ±0.5% |
| Effective test width | 900 mm |
| Test speed range | 0.05 – 500 mm/min (stepless) |
| Speed accuracy | ±0.5% |
| Maximum effective beam travel | 1200 mm |
| Uniform force/deformation rate control range | 0.01% – 10% FS/s |
| Uniform force/deformation rate control error | ±0.5% |
| Constant force/deformation control range | 0.5% – 100% FS |
| Constant force/deformation control error | <10% FS: ±1% set value; ≥10% FS: ±0.1% set value |
| Power supply | AC 220 V, 0.5 kW |
Accessories
(1) Tensile grips for foam materials.
(2) Compression platens.
(3) Tear test fixtures.
(4) High-precision force sensor.
(5) Computer control and analysis software.
(6) Manual LCD control box.
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