Concrete Compression Testing Machine - Automatic

Model: AECE2239/ACategory: Concrete Testing Lab Equipment

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Product Overview

STANDARD SUPPLY
The Automatic Concrete Compression Testing Machines consist of :

Load Frame
Automatic Hydraulic Power Pack
Digital Data Acquisition & Control System
Distance Pieces (30 mm, 50 mm and 80 mm)
Upper Platen (with ball seating assembly)
Lower Platen
Loading Cylinder Assembly & Limit Switch for safety
Front and Rear Protective Doors for safety
Software and Ethernet Cable

CONCRETE COMPRESSION LOAD FRAME

Capacities of 1500 kN, 2000 kN and 3000 kN Load Frames are most popular and available models for welded type frames.
The load frame provides the stability needed for accurate and repeatable test results over years of operation.
The frames are supplied with factory calibration certificate for force transfer stability and the self-alignment of the upper loading platen conforming to EN 12390-4.

UPPER / LOWER PLATENS

The platens enable the testing of a wide variety of cylinder, cube blocks or similar samples.
Manufactured from high quality steel, hardened, smoothed and finished
Surface roughness – 3.2 °m
°165 mm and °300 mm Upper Platen (with ball seating assembly)
Lower platens have centering rings for proper centering of 100 mm & 150 mm cubes and cylinders

BLOCK PLATENS WITH SLIDING RAIL ASSEMBLY**

Standards Compliance: EN 772-1, EN 12390-4
Installed for testing concrete blocks and structural materials.
Sliding Rail Assembly allows installation without removing °300 mm compression platens
Must be factory installed
After installation, vertical clearance decreases by 50 mm
Block Platens Lifting Assembly
Used for easy removal of lower platen and replacement of distance pieces.

DISTANCE PIECES

Distance pieces are used to reduce vertical clearance between upper and lower platens.

LOADING CYLINDER ASSEMBLY & LIMIT SWITCH

Single-acting up-stroking ram
Piston diameter varies by capacity
Maximum ram stroke: 50 mm
Limit switch prevents over-travel and cuts pump power
Pressure transducer used for load measurement
Low friction coaxial PTFE seal between cylinder and piston
Piston returns automatically after test

HYDRAULIC POWER PACK

Automatic dual-stage hydraulic power pack controlled by digital readout unit.
Loading rate: 1 kN/sec to 20 kN/sec
Accuracy: °5%
Rapid approach pump supplied
Maximum working pressure: 400 bar
Safety valve prevents overloading
Very silent operation

DUAL STAGE PUMP

Low pressure gear pump – rapid approach
High pressure radial piston pump – test execution
Rapid approach shortens total test time.

MOTOR

AC motor controlled by inverter
Oil flow adjusted by motor speed variation

DISTRIBUTION BLOCK INCLUDES

Solenoid valve
Safety valve (max. pressure valve)
Transducer
Low pressure gear pump
High pressure radial piston pump

HIGH PRECISION PRESSURE TRANSDUCER (OPTIONAL)

Enables use for:

Early age compression strength tests
Flexural and splitting tests (with accessories)
Mortar compression tests
Core testing

OIL TANK

Capacity: 25 L
Oil level and temperature indicator
Hydraulic motor oil number 46 must be used

DIGITAL DATA ACQUISITION & CONTROL SYSTEM

Designed to control the machine and process data from load cells and pressure transducers.
Front panel with LCD display and function keys
Easy-to-use menu
Loading rate and load values monitored
Real-time –Load vs Time– graphical display

SOFTWARE

Entry of sample, company, laboratory and test values
Load-time graph display
Test and sample reports
Control of machine (Start/Stop) from PC
Data acquisition for compression, tensile and splitting tensile tests
Editable test parameters and client details
Report and graph printout
Save results for 24 specimens per folder
Review old test folders
Display up to 12 specimen curves in different colors
Frequently used information stored in memory
Access and reuse previous test data

MAIN FEATURES

Pace rate control: 1 kN/sec to 20 kN/sec
Optional control of 2 frames
Load-controlled testing
Real-time graph display
Analog channels for different frame load cells
RS-232 serial port for PC interface
LCD display
Unit systems: kN, kgf
Unit systems: SI and Metric
Multi-language support (English and Turkish)
Real-time clock and date
Free PC software

SAFETY FEATURES

Maximum pressure safety valve
Piston travel limit switch
Emergency stop button
Software-controlled maximum load value
Front and rear transparent durable Plexiglas guards

Applications

The Automatic range of 1500 kN, 2000 kN and 3000 kN Capacity Compression Testing Machines have been designed for reliable and consistent testing of a wide range of specimens.
Machines confirm all EN, ASTM and BS standards written above. These also meet the requirements of CE norms for the safety and health of the operator.

Testing machines are supplied with EN compression platens as standard. Machines also comply with the ASTM C39 standard when used together with suitable platens.
Tests can be performed by either Digital Readout Unit or on a computer with using free Software.

The Automatic Compression Testing Machines allow inexperienced operators to perform the tests. Once the machine has been switched on and the specimen is positioned and centered by the help of centering apparatus, the only required operations are:
Setting test parameters, including pace rate (only required when the specimen type is changed).

Pressing the START button on the control unit.

The machine automatically starts the rapid approach. When the specimen touches the upper platen, the rapid approach is ended and loading starts at the selected pace rate and stops once the specimen fails.

Automatically saves the test parameters and test results.