AUTOMATIC COMPRESSION TESTING MACHINE
Make Dinesh Scientific
DESCRIPTION:
A laboratory device called a compression testing machine, sometimes referred to as a concrete compression machine or a cube testing machine, is used to determine the compressive strength of materials, especially concrete. One important factor in determining the endurance and quality of concrete structures is their compressive strength.
THE LOADING UNIT AND FRAME:
- Usually, the machine is made composed of a strong frame that supports the entire device structurally.
- Applying the compressive force to the test specimen is the responsibility of the loading unit.
THE HYDRAULIC SYSTEM
- Hydraulic systems are used by the majority of contemporary compression testing equipment to apply and regulate load. The hydraulic system makes sure that force is applied steadily and smoothly.
LOADING CELL
- A transducer that transforms an applied force into an electrical signal is called a load cell. It is a necessary part for precisely calculating and documenting the compressive force.
PLATEN OR PISTON:
- A piston or platen is used to transfer the compressive force to the test specimen. The size and kind of the specimens being evaluated determine the form and dimensions of the piston or platen.
PANEL OF CONTROL:
- The testing machine’s controls and settings are located on the control panel. It has functions like emergency stop, load retention, and load rate modification.
DIGITAL INDICATOR OR INFORMATION GATHERING SYSTEM:
- These days, a lot of compression testing apparatuses have data collecting systems or digital displays. These systems provide precise measurements and data processing by providing real-time monitoring of the applied load and displacement.
SALIENT FEATURES OF SYSTEM
- Menu-driven interface;
- Capability to execute several actions from touch panel display, including tare, programming, start, stop, and soon
- Touch panel display with programmable loading rate (pace rate) and sample characteristics (shape, dimension, etc.)
- Standalone system to operate the machine (Start, stop and hold) without computer
- Microprocessor based touch panel graphic display to control the machine operation and display of data
- Fully automated operation to start, stop and hold loading with automatic pace rate control from 1-10 kN/sec..
- Automatic pace rate management at a predetermined value with a pace deviation bar; • Automatic strength calculation and display.
- Automatic pace rate control at preset value with pace deviation bar.
- On-Line display of Load and Peak load with recording of peak load along other sample details
- Peak stress calculation based on sample type, shape and dimensions
- Inching/fast lift operation to adjust gap between sample and upper platen.
- Safety limits for Over Load and Over Displacement ranges.
- Configurable Engineering Units for machine selection
- Storing of results in user defined file with sample parameter and other details
- Real time clock check to keep automatic track of the date, time and runs
- Test results can be obtained and uploaded to a USB drive for printing, or they can be saved in an electronic unit with a unique record number.
- Data transmission via USB, Ethernet, or RS232 port to PC. comes fully equipped with two extra channels for strain gauges. Strain gauges are not included in the inventory.
TECHNICAL DETAILS:
MODEL | DS-CTM-1000 |
load frame | A load frame, a hydraulic pumping unit, a microprocessor-based touch panel display and control system, and a variety of height spacers to accept specimens of varying sizes make up the entire system. |
LOAD FRAME | |
Load Frame | Designed in a four-pillar configuration |
Capacity | With a robust capacity of 1000 kN |
Ram Travel | Offers a precise ram travel of 50 mm |
Daylight Clearance | Provides ample daylight clearance of 340 mm |
Horizontal Clearance | Features a horizontal clearance of 350 mm |
Size of Platen | Equipped with a platen sized at 256 mm |
HYDRAULIC PUMPING SYSTEM | |
Hydraulic Pumping System | Housed in an elegant console to minimize noise, it comprises a multi-plunger pump driven by a suitable servo motor. Operates on 220 V, Single Phase, 50 Hz. |
Release Valve | Positioned conveniently to manually release the load after a sample failure. |
Continuous Oil Flow | The pump ensures a continuous, non-pulsating oil flow to the ram of the loading frame. |
Pressure Switch | Additional safety feature against overload, a pressure switch is included in the system. |
Microprocessor-based Touch Panel Display & Control System | The control system is microprocessor-based and includes a touch panel display. It provides digital servo control, ramp generation, and data acquisition for continuous system operation. |
Specification of Controlled Unit | · Supply Input: 220-240 VAC, 50 Hz
· Automatic pace rate control as programmed in the controller · Control Channel: Load/Stress · Load Ranges: 0-1000 kN · Least Count: 0.1 kN |
LVDT (Linear Variable Differential Transformer) | 0-50 mm – 1 No. |
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