Automatic Compression Testing Machine – High-Precision Concrete Compression Machine
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What is Automatic Compression Testing Machine ?
The Automatic Compression Testing Machine is a fully automated system engineered to measure the compressive strength of concrete, bricks, cement, and other construction materials. Equipped with a hydraulic pressure tester and advanced control system, it delivers high precision, reliable performance, and easy operation for both industrial and laboratory applications.
Unlike manual systems, this fully automated Hydraulic Pressure Tester uses a closed-loop servo system to control the loading rate precisely according to international standards (like ASTM or EN).
By eliminating human error in the loading process, it ensures consistent, repeatable results—critical for construction safety and quality compliance.
Automatic Compression Testing Machine Main Features:
Fully Automated Operation: One-touch testing. The machine handles rapid approach, controlled loading, and piston retraction automatically.
High-Precision Hydraulic System: Features a premium Hydraulic Pressure Tester assembly with a silent power pack and leak-proof valves.
Multi-Standard Compliance: Pre-programmed for ASTM C39, EN 12390-4, and ISO 7500-1 testing protocols.
Digital Data Integration: Real-time stress/strain graphing with direct export to LIMS or USB for seamless reporting.
Safety First: Equipped with a transparent safety cage and limit switches to protect laboratory personnel.
Concrete compression testing machines are widely utilized within the construction industry—particularly in projects involving the production of precast concrete components, such as those on production lines for precast concrete wall panels and floor slabs. These machines are capable of precisely measuring key mechanical properties of test specimens, including compressive strength, flexural strength, and tensile strength.
How Does an Automatic Compression Testing Machine Work?
The Automatic Compression Testing Machine is designed to measure the compressive strength of concrete, bricks, cement, and other construction materials. Its working principle relies on a combination of a hydraulic loading system, precision sensors, and digital control technology to ensure accurate and repeatable results.
1. Specimen Placement
The test specimen is placed between the upper and lower compression platens. The machine can accommodate different sizes and shapes, depending on whether it is a small laboratory model or a large industrial model.
2. Automatic Loading
Once the test starts, the hydraulic system applies a steadily increasing compressive force to the specimen. The machine’s control system automatically regulates the loading rate according to the preset parameters, ensuring smooth, stable, and accurate pressure application.
3. Force Measurement
High-precision sensors continuously monitor the applied load. The machine measures the compressive force in real time and sends the data to the digital display or computer software. This allows for precise tracking of the specimen’s response throughout the test.
4. Data Acquisition and Analysis
The control system automatically records all data during the test, including maximum force, average strength, and stress-strain behavior. Users can analyze the results directly on the software, generate reports, and compare them to industry standards such as ISO, ASTM, or GB.
5. Automatic Unloading and Reset
After the specimen reaches failure, the hydraulic system automatically releases the pressure and returns the piston to its starting position. This ensures safety and prepares the machine for the next test without manual intervention.
Automatic Compression Testing Machine Technical Specifications
Technical Specifications & Parameters
Technical Specs
- 🔹 Columns: 4 Columns, 1 Screw Rod
- 🔹 Compression Space Adjustment: Electric Lifting
- 🔹 Compression Space (mm): 320
- 🔹 Piston Stroke (mm): 80
- 🔹 Piston Diameter (mm): Φ240
- 🔹 Compression Plate Size (mm): 260 × 300
Measurement Parameters
- 🔹 Maximum Test Force: 2000 kN
- 🔹 Machine Class: Class 1
- 🔹 Force Measurement Range: 2% – 100% F.S
- 🔹 Accuracy: < ±1%
- 🔹 Force Resolution: 1/500,000 of full scale
- 🔹 Compression Loading Rate: 0 – 50 kN/s
- 🔹 Loading Rate Error: ±5%
- 🔹 Max System Pressure: 30 MPa
- 🔹 Oil Pump Flow: 2.3 L/min
Machine Parameters
- 🔹 Main Machine Dimensions (mm): 700 × 550 × 1300
- 🔹 Weight (kg): 800
- 🔹 Total Power (kW): 2
- 🔹 Power Supply: 380V, Three Phase Four Wire
- 🔹 Operating Environment: Temp 10–35℃, Humidity 20–80%, no vibration, dust, corrosive medium, or strong magnetic interference; voltage fluctuation < ±10%
Specifications can be customized according to project requirements.
Comparison of Equipment Specifications: Small Models vs. Large Models
| Parameter | Small Model | Large Model |
|---|---|---|
| Maximum Test Force (kN) | 2000 | 2000 |
| Test Force Measurement Range | 4% – 100% | 4% – 100% |
| Relative Error of Test Force | < ±1% | < ±1% |
| Distance Between Upper & Lower Platens (mm) | 320 | 330 |
| Piston Stroke (mm) | 80 | 100 |
| Column Spacing (mm) | 260 | 370 |
| Compression Plate Size (mm) | 260 × 300 | 370 × 400 |
| Main Machine Dimensions (mm) | 850 × 550 × 1300 | 1100 × 900 × 1800 |
| Oil Source Dimensions (mm) | 1100 × 750 × 1000 | 1100 × 750 × 1000 |
| Motor Power (kW) | 2 | 2 |
| Total Weight (kg) | 1200 | 1800 |
| Fully Automatic Concrete Compression Machine, Material Strength Tester | ||
Henan Kelai Industrial Co., Ltd. is a globally recognized manufacturer of precast concrete machinery, specializing in high-quality Concrete Compression Machines and advanced Hydraulic Pressure Testers. Renowned as one of the most professional suppliers in the industry, Kelai delivers reliable products, efficient service, and competitive pricing—empowering your business to achieve higher productivity and quality in construction material testing.
Structure and Performance of the Testing Machine:
This testing machine consists of four main components: the main unit, the power system, the measurement and control system, and the testing fixtures.
Main Application Scenarios of Precast Concrete and Construction Material Testing Equipment
Precast Concrete Component Testing
- Designed for compressive strength testing of precast concrete elements, including wall panels, beams, columns, and concrete blocks.
- Ensures all building components meet design strength standards and structural safety requirements.
- Ideal for construction companies, quality control labs, and precast factories.
Brick, Block, and Stone Testing
- Suitable for testing compressive performance of red bricks, sand-lime bricks, hollow bricks, and natural stone materials.
- Supports quality control for manufacturers and laboratories, ensuring material consistency and reliability.
- Helps in verifying masonry materials before construction use.
We can manufacture equipment that meets your specific requirements based on your needs; customization is available.
Cement and Mortar Testing
- Measures compressive strength of cement, mortar, or concrete test blocks.
- Essential for laboratory research, construction site inspections, and quality assurance programs.
- Supports standard testing procedures for construction materials.
Refractory and Special Material Testing
- Applicable to refractory bricks, ceramic materials, and composite materials.
- Crucial for monitoring the quality of industrial furnaces, fire-resistant components, and high-temperature construction materials.
- Ensures industrial safety and material durability under extreme conditions.
Industrial and Research Applications
- Widely used in universities, research institutes, and material mechanics laboratories.
- Supports material performance testing, standardization experiments, and mechanical property research.
- Enables quality inspections and certifications in compliance with international and national standards such as ISO, ASTM, and GB.
- Manufacturing enterprises can perform batch testing and quality verification efficiently.
FAQ – Machine
1. What is an Automatic Compression Testing Machine?
An Automatic Compression Testing Machine is a fully automated device designed to test the compressive strength of construction materials such as concrete, cement, mortar, bricks, and stones. It automates the entire testing process, including loading, measurement, data acquisition, and report generation, providing accurate and repeatable results.
2. What materials can it test?
This machine can test a wide range of materials including concrete, cement, mortar, bricks, stone, and other construction or industrial materials. It is also suitable for some special materials, such as refractory or composite materials used in industrial applications.
3. What are the advantages of a hydraulic pressure tester?
A Hydraulic Pressure Tester provides smooth and precise loading during the compressive test. Its advantages include:
- High accuracy and stability
- Minimal lateral force on the specimen
- Consistent, repeatable results
- Compliance with international standards like ISO, ASTM, and GB
4. Can it handle different specimen sizes?
Yes. The machine is equipped with adjustable compression platens and a wide test range, allowing it to handle various specimen sizes and shapes, making it suitable for both laboratory testing and industrial production.
5. How is the machine controlled?
Most models feature a digital control panel or computer-based software. Users can set test parameters, monitor the testing process in real time, and automatically generate test reports. This ensures high efficiency, safety, and accuracy.
6. Is it suitable for industrial use?
Absolutely. Automatic Compression Testing Machines are designed for industrial and laboratory applications. They are robust, reliable, and capable of handling high-volume testing in factories, quality inspection centers, and construction material labs.
Why Choose . Fully Automatic Pressure Testing Machine?
Henan Kelai Industrial Co., Ltd. is a leading manufacturer of high-quality precast concrete machinery, specializing in Fully Automatic Concrete Compression Machines and advanced Hydraulic Pressure Testers. Choosing Kelai means choosing reliability, precision, and innovation for your construction material testing.
💡 Summary
By choosing Henan Kelai Industrial Co., Ltd., you invest in a Fully Automatic Pressure Testing Machine that delivers precision, durability, and versatility—perfect for laboratories, industrial plants, and quality control centers. Our machines are designed to help your business achieve accurate, reliable, and efficient material strength testing every time.
Key Reasons to Choose Kelai:
- Industry-Leading Expertise
- Over 20 years of experience in manufacturing concrete testing machinery.
- Extensive knowledge of material testing standards and industrial requirements.
- High Precision and Reliability
- Machines are equipped with high-accuracy hydraulic systems and sensors.
- Ensures consistent, repeatable, and precise measurement of compressive strength.
- Versatile Testing Capabilities
- Suitable for concrete, cement, mortar, bricks, stone, and other construction materials.
- Adjustable platens and variable loading allow testing of specimens of different sizes.
- Advanced Automation
- Fully automated loading, testing, and data acquisition.
- Reduces manual errors, improves efficiency, and provides real-time test reports.
- Compliance with International Standards
- Supports GB, ISO, ASTM, and other global testing standards.
- Ensures your test results meet industry regulations and quality certifications.
- Excellent Service and Support
- Prompt technical support and guidance for installation, operation, and maintenance.
- Competitive pricing combined with high product quality ensures outstanding value.
All manufactured precast concrete components can be tested for their strength.
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