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Impact Testing Machine

This machine is mainly used to determine the anti-impact capability of ferrous metal materials with high toughness, especially for steel and iron and their alloy, under dynamic load.

Universal Testing Machine (UTM) — Tensile, Compression, and Bending Testing Equipment

HST Pendulum Impact Testing Machine meet the growing demand for accurate and repeatable impact testing of metallic materials in accordance with ASTM and ISO specifications.

Incorporates a rigid, compound pendulum mounted on a reduced friction shaft assembly and a solid, vibration-free base.The rigidity of the system prevents excessive elastic energy losses and reduces excessive vibration mode bending effects.

They are EN 10045-2 ‘CHARPY impact test on metallic materials’ – Method for the verification of impact testing machines and ASTM E 23, ‘Standard test methods for notched bar impact testing of metallic materials

Experiential Materials Mechanics Testing

One-body cast frame design of seat and column provide high stability and rigidity.

High rigid pendulum arm prevents axial and transverse vibrations.

Pendulum rising, impact, sample feeding, position, free releasing is realized automatically by easy PC mouse click.

This video will guide you through our intuitive interface and powerful data analysis software.

Product Features

High-Rigidity One-Piece Cast Frame

One-body cast frame design of seat and column provide high stability and rigidity

High-Rigidity Pendulum Arm

High rigid pendulum arm prevents axial and transverse vibrations
 

Specimen collection and filtering device

Motorized device is used for collecting broken specimens after impact, instead of manual cleaning, which fully prevents striker from getting stuck. Unique specimen filtering function: automatically judge and transport qualified and unqualified specimens to different collecting box

Low temperature refrigeration system

Depending on the temperature requirements, either compressor refrigeration or liquid nitrogen refrigeration can be used.

Impact Testing Machine Model Selection

A Truly Impact Tester

General FAQs

What is impact testing?

Impact testing is a critical evaluation process that determines a material or product’s toughness, resilience, and durability when subjected to sudden forces or shocks. This testing is essential in various industries to ensure materials and products’ safety, performance, and reliability. Impact testing helps identify potential weaknesses and improve material formulations and product designs by simulating real-world conditions.

Several main impact test methods measure a material’s performance under impact. The most commonly used methods include Charpy impact testing, Izod impact testing, drop weight testing, and puncture impact testing. Each method employs distinct technologies and serves unique purposes across various industries.

Charpy impact testing

Izod impact testing

Drop weight impact testing

Puncture impact testing.

Charpy Impact Testing, also known as the “Charpy V-notch test,” is a standardized test method used to determine the impact toughness of materials, particularly metals. It assesses a material’s ability to absorb energy during fracture when subjected to a sudden impact. One of the most widely used methods to measure material resilience, it was named after its inventor, French scientist Georges Charpy.

Preparation: A small, standardized specimen, usually a rectangular bar with a V-shaped notch machined on one side. The notch creates a stress concentration that promotes fracture when impacted. The test setup includes a pendulum hammer, a notched specimen holder, and a digital or analog display to record the absorbed energy. The notched specimen is placed horizontally in the holder, and the pendulum is released from a specific height to impact the specimen at the notch.

Test Procedure: The specimen is placed horizontally in the testing machine, with the notch facing the direction of the impact. A pendulum hammer is released from a known height, striking the specimen at a predetermined velocity.

Energy Measurement: The energy absorbed by the specimen during fracture is measured by the decrease in the pendulum’s swing height after impact. This energy is typically reported in joules (J) or foot-pounds (ft-lb).

Charpy impact testing is extensively used in the construction, automotive, and aerospace industries to evaluate the toughness of metals, composites, and polymers. This test helps ensure structural steel can withstand impacts during earthquakes or other dynamic events in the construction industry.

ASTM E23, ASTM D6110, ASTM A370, ASTM D256

ISO 13479, ISO 148-1

EN 10045-1, EN ISO 179-1 

What materials can it test?

While Charpy impact testing is widespread for metals, Izod impact testing is more often used for plastics and other softer materials. In Izod testing, the notched specimen is positioned vertically instead of horizontally. Also, the pendulum in the Izod test strikes the specimen at a single point directly above the notch, while in Charpy testing, the pendulum strikes the specimen on its surface opposite the notch.

While Charpy impact testing is used primarily for metals, the Izod method is commonly used for polymer and plastic impact testing. It helps assess the impact resistance of plastic materials used in consumer products, automotive components, and packaging materials.

ASTM D256, ASTM D4508, ASTM D4812

ISO 180, ISO 148-1, ISO 9854-1

Also known as drop tower testing, this method evaluates a material’s behavior under high-velocity impacts like collisions and falls. The test setup consists of a drop tower, a weight or impactor, and a specimen holder. The weight is dropped from a predetermined height onto the specimen, and sensors record the force, velocity, and energy during impact.

Although it’s used in hundreds of industries and applications, drop weight testing is widely used in the automotive and sports equipment industries. Drop weight testing for automotive safety helps assess the crashworthiness of automotive components. In sports equipment, it verifies the impact resistance of helmets and protective gear.

ASTM E208, ASTM D7136, ASTM D3763, ASTM F1459

ISO 6603-2, ISO 3127, ISO 13356

EN 774, EN ISO 6603-1

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