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Compression Testing Machine

Jinan Kason: Leading Professional Charpy Impact Testing Machine Manufacturer and Supplier in China

We have specialized in developing and manufacturing metal, non-metal and composite material testing equipment for many years and have served customers from more than 150 countries and regions. As a professional testing equipment factory, our advantages are specifically reflected in

Complete Production Facilities

Our company has production and office facilities such as scientific research office building, electrical installation and commissioning building, final assembly workshop, heavy machine workshop, machining workshop, blanking workshop, painting workshop, measuring room, product showroom, etc.

Diverse Product Types

Our main products include hydraulic universal testing machines, electronic universal testing machines, compression testing machines, spring testing machines, impact testing machines, torsion testing machines, hardness testers, and testing machine accessories.

Rich Service Experience

Our products are exported to international markets such as Germany, the United States, Spain, Australia, Italy, South Africa, South Korea, Pakistan, Malaysia, Thailand, and Singapore. We have a professional pre-sale, sales and after-sales service team to provide strong technical support and professional services to domestic and foreign users.

Professional Qualification Certification

Our company has successfully passed ISO9001 quality system, ISO14000 environmental management system, occupational health and safety management system, and CE certification. The company has obtained a total of 22 authorized national patents, including 2 national invention patents, 13 national utility model patents, and 7 national design patents.

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Brief Introduction to Compression Testing Machines

 

 

Compression testing machines are available in a variety of different sizes and force capacities ranging from 0.02 N to 2,000 KN. Most low force testing is performed on an electromechanical single-column or dual-column tabletop machine, while higher force applications require floor model frames. They can perform a wide range of different test types, including tensile, compression, bend, peel, tear, shear, friction, torsion, puncture, and more. These machines are designed for even higher capacity testing of high strength metals, alloys, and advanced composites.

 

Main Parts of Compression Testing Machines

Digital Webster Hardness Tester

Load Frame

The load frame is the main structure that the machine supports and applies load to the specimen during testing. It is designed to withstand the high forces generated during testing and is usually made of high-strength metal such as steel.

5200 Portable Leeb Hardness Tester with Printer

Actuator

An actuator is the mechanism that generates the force applied to the specimen during testing. Depending on the type of machine, the actuator can be hydraulic or servo-electric.

Vickers Hardness Test Machine

Load Cell

A load cell is a sensor that measures the force applied to a sample. It converts force into electrical signals, which are then displayed on the machine's control panel. Load cells are calibrated to provide accurate and reliable force measurements.

Cable Bend Test Machine

Crosshead

It is the part that holds the load cell and upper clamp assembly. It is connected to an actuator and moves up and down to apply and release loads on the sample.

Automatic Spring Torsion Testing Machine

Upper and Lower Clamp Assemblies

The clamp assemblies are used to hold the sample in place during testing. The upper clamp assembly is connected to the crosshead, while the lower clamp assembly is connected to the load frame. The clamp assembly is designed to hold the sample securely without causing any damage or deformation.

Spring Compression and Tensile Testing Machine

Control Panel

The control panel is the interface for the operator to set and control test parameters. It typically includes a digital display of the force applied, as well as controls for setting test parameters such as test speed, load limits, and other test settings.

 
Advantages of Compression Testing Machines

 

Material Characterization

These compression testing machines can provide you with key data on the mechanical properties of your materials, such as compressive strength, yield strength, and elastic modulus. This information is critical to understanding how materials behave under compressive loading.

Quality Control

Our compression testing machines play a vital role in the quality control process by determining whether a material meets specified compressive strength requirements. It helps ensure that products are manufactured to the necessary standards, thereby maintaining product integrity and customer satisfaction.

Material Comparison

These compression testing machines allow direct comparison of different materials. By testing various materials under the same conditions, engineers can determine which material is best for a specific application.

Design Verification

These compression testing machines can be used to verify that a material or component is suitable for its intended application. For example, in the design of new products, compression testing can confirm that the selected materials can withstand the expected loads.

Predicting Material Behavior

Data obtained from these compression testing machines can be used to predict how materials will behave under compressive loading in real-world applications. This predictive capability is critical to ensuring the safety and durability of structures and products.

Regulatory Compliance

Many industries have regulations that require materials to meet certain compressive strength standards. These compression testing machines verify compliance with these regulations, helping companies avoid legal issues and safeguard their reputation.

Cost Effectiveness

Compared to some other types of mechanical testing equipment, these compression testing machines are relatively cost effective. They are not that complex, and test samples can often be simple shapes such as cylinders or cubes.

 
Compression Testing Machines Parameters (Take Concrete Compressive Strength Testing Machine as an Example)

 

Model YAW-300G YAW-300D
Max compression test force(KN) 300kN 300kN
Max bending test force(KN) 10 /
Test Accuracy CLASS 1 (ISO 7500-1)
Test measurement range 2%-100%FS
Control way Computer control auto loading progress
Constant loading speed 0.1KN/S~10KN/S
Test space adjustment method Block adjustment test space
Speed 0.01-50mm/min
Max compression space 200mm
Upper and lower compression plates size Φ280
Size 570*410*1340mm
Power supply 220V, 50HZ, 1.5 KW
Types of Compression Testing Machine

There are two main types of compression testing machines: hydraulic and servo-electric.

Metallography Polishing Metallurgy Grinding Machine

Hydraulic Compression Testing Machine

Hydraulic compression testing machines are the more traditional and commonly used type. They use hydraulic fluid to generate the force required for compression testing. Hydraulic oil is pushed through a pump, which then powers a piston on the machine, applying force to the sample. These machines are capable of generating very high forces and are ideal for heavy-duty testing applications.

Automatic Double Discs Metallographic Grinding Polishing Machine

Servo Electric Compression Testing Machine

Servo electric compression testing machines are a newer, more advanced type of machine. They use electric motors to generate the force required for testing, and their force application is more precise and accurate than hydraulic machines. Servo motors are also more energy efficient than hydraulic motors, making them more sustainable. These machines are typically used for testing materials that require more precise and subtle application of force.

 
What Standards are Used When Performing Compression Testing Machines?
Compression testing machine checks the safety, durability and integrity of various materials and components. The most common ISO and ASTM standards used for compression testing are as follows.
 
 
ASTM D3574-C

Standard Compression Test for Flexible Foam Materials - Compression Properties/Compressive Stress Strain Characteristics of Flexible Foam Materials.

 
ISO 844, ASTM D1621

Compression test of rigid foam plastics.

 
ASTM D695

Standard Test Method for Compression Properties of Rigid Plastics and Continuous Fiber Reinforced Composites (End Loaded Compression).

 
ASTM F1306

Standard Test Method for Slow Penetration Resistance of Flexible Barrier Films and Laminates.

 
ISO 7886-1

Plunger sliding force for disposable sterile hypodermic syringes.

 
ASTM F3067

Standard Guide for Radial Loading of Balloon-Expandable and Self-Expanding Vascular Stents.

 
Other Company-Specific Compression Testing Standards

Boeing BSS 7260c for CAI testing and Airbus AITM 1-0010 Issue 3, etc. (these standards are also commonly used in the aerospace industry for compression testing).

 

Maintenance and Calibration of Compression Testing Machines

Follow The Guidelines Provided By The Manufacturer

Follow the maintenance and calibration procedure guidelines given to you by the manufacturer. These procedures may include routine inspection, lubrication, and cleaning of machine components.

Regular Inspection

Regularly inspect machine components for signs of wear, damage, or misalignment. These include load cells, actuators, gripper assemblies and frames. Any problems should be addressed immediately to prevent further damage to the machine or inaccurate test results.

Lubrication

Machine parts should be lubricated according to the manufacturer's guidelines. Over-lubrication can lead to contamination and inaccurate test results, while under-lubrication can cause excessive wear on machine components.

Cleaning

The machine should be cleaned regularly to prevent contamination and ensure accurate test results. The clamp assembly should be cleaned after each test to remove any debris or residue.

Calibration

The machine should be calibrated regularly to ensure that the test results are accurate and reliable. Calibration frequency depends on machine usage and industry standards for the intended application. Calibration should be performed by qualified technicians using certified calibration equipment.

Record Keeping

Keep detailed records of machine maintenance and calibration procedures. These records can be used to identify potential problems, monitor machine performance over time, and demonstrate compliance with industry standards.

 
Our Certifications

 

Our company has obtained the following certificates

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Factory Pictures

 

Below are photos of our factory for you to view

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Ultimate Guide

 

Q: How is a compression testing machine used?

A: The specimen or component is placed between two compression platens installed in the materials testing machine. The machine crossheads move the platens together with a specified force, speed and/or crosshead travel distance. The required values are measured and recorded.

Q: What is compression testing?

A: Compression testing is a mechanical test in which a material is subjected to a compressive load and its response is measured. This response can be used to calculate properties such as compressive strength, yield strength, and elastic modulus.

Q: Why is compression testing important?

A: Compression testing is important because it provides critical information about the behavior of materials under compressive loading. This information can guide material selection for specific applications, inform structural design, and help identify problems in the manufacturing process.

Q: What are the applications for compression testing machines?

A: Compression testing machines have a variety of applications, including quality control in manufacturing, materials research and development, structural design and analysis, and failure analysis.

Q: What materials can be compression tested?

A: Compression testing machines can test a variety of materials, including metals, polymers, ceramics, composites, and more. The specific procedures and standards used may vary depending on the type of material.

Q: What is the maximum load capacity of a compression testing machine?

A: The maximum load capacity of a compression testing machine may vary depending on the machine's design and intended application. It can range from a few thousand newtons to several meganewtons.

Q: What is the accuracy of a compression testing machine?

A: The accuracy of a compression testing machine can vary depending on the design and calibration level of the machine. The accuracy of high-precision machines can reach ±0.5% of the measured value.

Q: What are the safety precautions when using a compression testing machine?

A: Safety considerations when using a compression testing machine include proper training, use of personal protective equipment, following operating procedures, and regular maintenance and inspection of machine components.

Q: What are the ASTM and ISO standards for compression testing machines?

A: ASTM and ISO are organizations that publish standards for various tests, including compression testing. These standards provide guidelines for conducting tests to ensure consistent and accurate results. For example, ASTM E9 for metals and ISO 604 for plastics.

Q: What is the difference between compressive strength and tensile strength?

A: Compressive strength is the maximum compressive stress a material can withstand without failing, while tensile strength is the maximum tensile stress it can withstand.

Q: What is the procedure for using the compression test machine?

A: This process involves several steps, including specimen preparation, placing the specimen in the testing machine, applying compressive loads, data acquisition, and data analysis. The details of the procedure may vary depending on the materials being tested and the testing standards followed.

Q: What is the purpose of a compression testing machine?

A: A Compression test uses compression testing machines to determine material behavior under constantly increasing compressive loading. Compression tests examine the safety, durability, and integrity of materials and components.

Q: What is the working principle of compression tester?

A: Compression testers are used to determine a material's behavior under applied crushing loads, and are typically conducted by applying compressive pressure to a test specimen (usually of either a cuboid or cylindrical geometry) using platens or specialized fixtures on a universal testing machine.

Q: What are the types of failure in compression test?

A: The complexities of compression failure are defined in terms of the three well known failure modes: yielding, cone failure, and axial splitting. The notion of compressive strength is shown to be useful only in the case of yielding.

Q: What is the difference between compression test and compressive test?

A: Compressive testing shows how the material will react when it is being compressed. Compression testing is able to determine the material's behavior or response under crushing loads and to measure the plastic flow behavior and ductile fracture limits of a material.

Q: What is the difference between tensile tester and compression tester?

A: Generally speaking, tensile testers are better suited for applications where tension forces are applied, while compression testers are more appropriate for applications with pressure forces involved.

We're well-known as one of the leading compression testing machine manufacturers in China. Please rest assured to buy high quality compression testing machine for sale here from our factory. For price consultation, contact us.

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