Cement Compression / Flexural Test Machine, Touch Screen

MACHINE CONSTRUCTION

The system consists of :

• Very rigid two-column single or double chamber load frames
• Automatic Hydraulic Power Pack
• Touch Screen Control Unit
• Upper platen with ball seating assembly
• Lower platen
• Loading cylinder assembly with limit switch for safety
• Control Software and Ethernet cable

CEMENT COMPRESSION & FLEXURAL LOAD FRAMES :

• 15 kN and 250 kN high-accuracy load cells
• High precision measurement even at very low loads
• Frames fitted with °165 mm round platens, suitable for compression and flexure jigs

UPPER PLATENS :

• Manufactured from high-quality hardened steel (– HRC 53)
• Ground and polished finish
• Surface roughness: – 3.2 °m
• Removable design

LOADING CYLINDER ASSEMBLY & LIMIT SWITCH :

• Single-acting upstroke ram
• Piston diameter varies according to capacity
• Maximum ram stroke: 50 mm
• Limit switch prevents over-travel and cuts pump power
• Low-friction PTFE seal between piston and cylinder

HYDRAULIC POWER PACK & CONTROL UNIT :
Hydraulic Power Pack

Dual-stage automatic hydraulic power pack controlled by the touch screen unit.

• Pace rate: 0.05 – 2.4 kN/sec
• Accuracy: °5%
• Rapid approach pump included
• Safety (maximum pressure) valve prevents overload

Dual Stage Pump :

• Low-pressure gear pump – rapid approach

• High-pressure radial piston pump – test execution

• Rapid approach reduces total test time significantly.

Motor :

• AC motor controlled by inverter
• Oil flow adjusted by motor speed variation
• Maximum system pressure: 400 bar

Distribution Block Includes :

• Solenoid valve
• Safety valve
• Pressure transducer
• Low-pressure gear pump
• High-pressure piston pump

LOAD CELL :

• 15 kN and 250 kN high-quality load cells
• High accuracy even at low sample failure loads

OIL TANK :

• Capacity: 25 liters
• Recommended hydraulic oil: ISO VG 46

DIGITAL READOUT & CONTROL UNIT :

• All operations controlled from 7– TFT-LCD Touch Screen.

Simultaneous display of :

• Machine status
• Test values
• Warnings
• Test graphs

Real-time graphical display :

• Load vs Time
• Stress vs Time

MAIN FEATURES OF CONTROL UNIT :

• 2 analog channels for load, pressure, or displacement sensors
• Controls two separate testing frames
• Closed-loop PID control
• Optional integrated thermal printer
• Real-time numeric display with automatic resolution adjustment
• Up to 8-point calibration support
• User-customizable load limits and termination conditions
• Test parameter library for different specimen types
• Storage capacity:
• 10,000 test results or
• 80 hours real-time recording (1 sample/sec)
• Graph axis scaling (automatic or fixed)
• Multiple unit systems:
• kN, MPa, N/mm°, kgf/cm°, psi
• Multi-language support:
• LAN connection for PC data transfer
• USB port for flash drive
• USB port protection for machine settings
• Export results in TXT and Excel formats
• Customizable IP

HARDWARE :

• 2 fully customizable analog channels
• 24-bit ADC with FPGA circuit
• 800 ° 480 pixel TFT-LCD touch screen
• 32-bit ARM Cortex-M3 CPU for data acquisition
• 32-bit ARM Cortex-M3 CPU for display
• Additional memory via USB flash drive
• LAN and USB communication
• Optional integrated thermal printer

SOFTWARE :

• Software is designed for data acquisition, control, processing, presentation, and reporting of:

• Cement

• Concrete

• Mortar

• Masonry units

• Bricks

• Paving blocks

• The Automatic Compression/Flexure Testing Machine can be fully controlled from PC.
  Software is free of charge.

TESTS SUPPORTED :

• Compression strength of concrete cubes/cylinders
• Flexural strength of concrete beams
• Compression strength of cement mortars
• Flexural strength of cement mortars
• Tensile splitting of concrete cylinders/cubes
• Flexural strength of tiles
• Compression strength of masonry units

SOFTWARE FEATURES :

• Multi-language interface
• 30-test storage in a single test file
• Advanced graphical interface
• Editable test information
• Automatic report generation
• Export of graphs and reports
• Flexible report formats

MAIN DEVICE FEATURES :

• Pace rate control: 0.05 – 2.4 kN/sec
• Load-controlled testing
• Rapid approach with dual-stage pump
• Automatic test termination
• Multi-point channel calibration
• Optional thermal printer
• Ethernet and USB connectivity
• Free software

SAFETY FEATURES :

• Maximum pressure safety valve
• Piston travel limit switch
• Emergency stop button
• Software-controlled maximum load limit

The Automatic Cement Compression and Flexure Testing Machine has been designed for testing :

• Flexural strength of 40 ° 40 ° 160 mm prisms
• Compression strength of broken prism halves 40 ° 40 mm
• 50 ° 50 mm and 70.7 mm mortar cubes

The machines fully comply with CE norms for operator safety and health.

Compression and flexure jigs, distance pieces, and removable transparent front–rear safety doors should be ordered separately.

Standards Compliance :

• COMPLIED AS PER EN 196-1, 459-2, 1015-11, 13454-2, EN ISO 679, ASTM C109, C348, C349, BS 3892-1, 4551-1

Dimensions (cm) :

• 100 ° 50 ° 150

Weight (kg) :

• 350

• Setting test parameters including loading pace rate
• Selecting compression or flexure frame via valve
• Selecting frame capacity (for load calibration)
• Selecting load cell from compression side (up/down)
• Starting test with START button on control unit
• Automatic rapid approach of piston
• Automatic stop after specimen failure
• Automatic saving of test parameters and results