High and Low Temperature Memory Impact Testing Machine
Category：Other Aging Machines
Introduction
The High and Low Temperature Memory Impact Testing Machine is a computer-controlled pendulum impact testing system designed for determining the impact toughness of non-metallic materials under controlled temperature conditions. The instrument supports both simply supported beam (Charpy) and cantilever beam (Izod) impact test methods. High-speed data acquisition and digital signal processing ensure accurate capture of impact energy and load signals, providing reliable and repeatable test results for material evaluation.
Application
(1) Impact toughness determination of rigid plastics.
(2) Impact testing of reinforced nylon materials.
(3) Impact resistance evaluation of glass fiber reinforced plastics (FRP).
(4) Impact performance testing of ceramic materials.
(5) Impact strength testing of cast stone materials.
(6) Impact testing of electrical insulating materials.
(7) Material research, quality control, and conformity assessment in laboratories, universities, and inspection institutes.
Standards
(1) JB/T 8762-1998 — Plastic Simply Supported Beam Impact Testing Machine
(2) JJG 145-2007 — Verification Regulation of Pendulum Impact Testing Machine
(3) GB 3808 — Inspection of Pendulum Impact Testing Machines
(4) GB/T 1043.1-2008 — Plastics — Determination of Impact Strength of Simply Supported Beams
(5) ISO 179-1:2010 — Plastics — Determination of Charpy Impact Properties
(6) ISO 180:2000 — Plastics — Determination of Izod Impact Strength
(7) ASTM D256 — Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics
(8) ASTM D6110 — Standard Test Method for Determining the Charpy Impact Resistance of Notched Specimens of Plastics
Parameters
| Item | Specification |
|---|---|
| Impact energy (Charpy) | 2 J / 4 J |
| Impact energy (Izod) | 2.75 J / 5.5 J |
| Sampling rate | 10 μs |
| Resolution | 16 bit |
| Load measurement accuracy | ≤ 1% |
| Impact knife angle | 30° |
| Pendulum pre-lift angle | 150° |
| Pendulum torque (Charpy) | 2.1436 N·m / 1.0718 N·m / 0.5359 N·m |
| Pendulum torque (Izod) | 2.9474 N·m / 1.4737 N·m |
Simply Supported Beam (Charpy)
| Item | Specification |
|---|---|
| Impact speed | 2.9 m/s |
| Pendulum shaft center to specimen center | 230 mm |
| Blade angle | 30° |
| Blade radius | 2 mm |
| Support corner radius | 1 mm |
| Support front angle | 5° |
| Support rear angle | 10° |
| Support span | 40 mm / 60 mm / 70 mm |
| Specimen size (L×W×T) | 80×10×4 mm; 50×6×4 mm; 120×15×10 mm |
Cantilever Beam (Izod)
| Item | Specification |
|---|---|
| Impact speed | 3.5 m/s |
| Pendulum axis center to specimen center | 335 mm |
| Blade angle | 75° |
| Blade radius | 0.8 mm |
| Blade front angle | 5° |
| Blade back angle | 10° |
| Specimen size (L×W×T) | 80×10×4 mm; 63.5×12.7×12.7 mm; 63.5×12.7×6.4 mm; 63.5×12.7×3.2 mm |
Accessories
(1) Charpy impact pendulum and supports.
(2) Izod impact pendulum and clamping fixtures.
(3) Interchangeable impact knives.
(4) Calibration and verification tools.
(5) Computer control and data acquisition software.
Maintenance Information
(1) Regularly inspect pendulum bearings and mechanical components.
(2) Periodically calibrate impact energy and load measurement systems.
(3) Keep impact knives and supports clean and free from damage.
(4) Verify pendulum lift angle and zero position before testing.
(5) Store the instrument in a clean and dry environment.
FAQ
1. What is this product?
A High and Low Temperature Memory Impact Testing Machine is a specialized testing instrument designed to evaluate the impact resistance, durability, and memory effect of materials under extreme temperature conditions.
2. What is this product used for?
This machine is used to:
Test material toughness and impact strength after exposure to high or low temperatures.
Evaluate the memory effect of polymers, plastics, composites, and rubber-like materials, i.e., their ability to return to original shape after deformation.
Assess brittleness or ductility changes caused by thermal cycling.
Provide data for quality control, R&D, and material selection under extreme service conditions.
3. How does this product work?
The working principle involves:
Temperature Conditioning: The material sample is placed in a chamber where it is subjected to preset high or low temperatures.
Impact Testing: After reaching the target temperature, a controlled impactor or pendulum strikes the sample.
Data Measurement: Sensors measure impact force, deformation, and recovery (memory) behavior.
Analysis: The results are used to calculate impact strength, energy absorption, and deformation recovery, showing how temperature affects material performance.
4. Why is this product important?
The machine is crucial because it:
Simulates real-world temperature extremes, which can significantly affect material performance.
Helps identify materials prone to brittleness or failure in cold or heat.
Supports the development of high-performance polymers, composites, and rubber products with predictable durability.
Enhances product safety and reliability in applications where temperature fluctuations and mechanical impact occur.
Provides essential data for regulatory compliance and product certification in safety-critical industries.
5. Which industries is this product suitable for?
It is applicable in industries where materials face temperature extremes and mechanical stress, including:
Automotive: testing bumpers, dashboards, and interior polymers.
Aerospace & Aviation: evaluating materials for aircraft components exposed to extreme altitudes.
Electronics: ensuring housings and components survive thermal cycling.
Packaging & Consumer Goods: testing plastic containers, bottles, and protective casings.
Construction & Infrastructure: evaluating polymer composites, insulation materials, and structural plastics.
Materials R&D: for polymers, rubbers, composites, and memory materials under thermal stress.
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