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Electronic Compression Testing Machines

Electronic Compression Testing Machines

Electronic Compression Testing Machines
 
The FIE Compression Testing Machine incorporates design features to enable high accuracy testing with economy, speed and versatility.
 
Features :
• Loading accuracy as high as + 1%.
• Straining at variable speeds to suit a wide range of materials.
• Panel & PC graph enables to study the b
ehavior of the material.
• Motor driving geared shaft for quick and effortless adjustment of cross-head to facilitate rapid fixing of the test specimen.

Simple controls for ease of operation.
• Simplicity in reading because of Digital Read-outs.
• Wide range of standard and special accessories, including load stabilizer.
• Large effective clearance between columns enables testing of standard specimen as well as structures.

• Robust straining frame of an extremely rigid construction.
• Safe operation ensured by means of safety devices.
• Fully enclosed and protected press
ure transducer.
• RS-232 serial port to transfer data to computer for analyasis.
• Manual control and release valve operation.
Application :
FIE Compression Testing Machine is designed to test materials and other materials under compression, bending, transverse and shear loads. Hardness test on metals can also be conducted.
Principal of Operation :
Operation of the machine is by hydraulic transmission of load from the test specimen to separately house load indicator. The system is ideal since it replaces transmission of load through levers and knife edges, which are prone to wear and damage due to shock on rupture of test pieces.
Load is applied by a hydrostatically lubricated ram. Main cylinder pressure is transmitted to the pressure transducer house in the control panel. The transducer gives the signal to the electronic display unit, corresponding to the load exetted by the main ram. Simulteniously the digital electronic fitted on the straining unit gives the mechanical displacement to the electronic display unit. Both the signals are processed by the microprocessor and load displacement on digital readouts simulteniously.
Machine consists of :  
1. Straining Unit :
It consists of a hydraulic cylinder and a table coupled with the ram of hydraulic cylinder, mounted on robust base. The cylinder and the ram are individually lapped to eliminate friction. The cross-head is connected to two screwed columns and is driven by a motor, for rapid adjustment of test height.
An elongation scale with a minimum graduation of 1.0 mm, is provided to measure the deformation of the specimen.
Compression, transverse, bending, shear and hardness tests are conducted between the lower cross head and the table.
2. Control Panel : 
The control Panel consists of a power pack complete with drive motor and an oil tank, control valves and electronic display unit.
A) Power Pack :
The power pack generates the maximum pressure of 200 kgf/cm2. The hydraulic pump provides continuously no pulsating oil flow. Hence the load application is very smooth.
B) Hydraulic Controls :
Hand operated wheels are used to control the flow to and from the hydraulic cylinder. The regulation of oil flow is infinitely variable. Incorporate in the hydraulic system is a regulation valve, which maintains a practically constant rate of table movement.
C) Electronic Control Panel (Series Universal 2001-UTE):
Microprocessor based panel incorporating state of art technology with following features,
Front panel membrane key board with numeric keys for data entry.
7 segment display to show laod and compression.
Data entery of test parameters including rupture % peak, pre-load, module data, test data & specimen data etc. through numeric key board.
20 input data set storage, 50 results storage.
Maintains data & results during power off.
Each test facility for generating batch and statistics result.
Printer port for dot metrics printer interface to print graph and results, batch certificate and simple statistics printout.
Optional Software Packages on PC :
The universal 2001-UTE Series control panel can be hooked to any PC using RS-232 communication port. FIE offers different exhaustive application. Window based software package with real time graphon PC to enable that user to effectively evaluated different parameters.
The features include :
• Real time graph, user friendly software.
Extensive graphics on screen for curve plotting, magnification and zooming.
Statistical evaluation with water fall dig. mean deviation, frequency distribution, skew dig. histogram also calculates Max. value, Min value, Mean value, Variance,
   Standard Deviation (Other statistical parameters on request). Selectable batch statistical printouts.
Accuracy & Calibration : 
All FIE Electronic Universal Testing Machines are closely controlled for sensitivity, accuracy and calibration during every stage of manufacture. Every machine is then calibrated over each of its measuring ranges in accordance with the procedure laid down in BS : 1610 and IS : 1828 : Part 1 : 1992 , Electronic Universal Testing machine comply with the grade "A" of BS : 1610 part 1 : 1992 and lass 1 of IS-1828-Part-1 : 1992 an accuracy of + 1% is guranted from 2% to 100% of the capacity of machine below 20% of the selected range, maximun permissible error is 0.2% of the full load range.
Specification :
 Model CTE 50 CTE 100 CTE 200 CTE 300 CTE 500
 Maximum capacity (kN)  500  1000  2000  3000  5000
 Measuring Range (kN)  0-500  0-1000  0-2000  0-3000  0-5000
 Load resolution in N
 (20,000 counts full scale)
 0-25  0-50  0-100  0-150  0-250
 Load range with accuracy of measurement + 1.0% (kN)
  form 2% to 100% capacity of M/c
 10 to 500  20 to 100  40 to 2000  60 to 3000  100 to 5000
 Maximum Clearance for compression test at fully
 descended working piston (mm)
 500  500  700  700  1000
 Clearance between column (mm)  390  390  530  650  650
 Ram stroke (mm)  100  100  150  150  250
 Straining piston speed mm/min (at safe load)  60  30  30  30  18
 For Compression test : Upper & Lower
 Compression plates of diameter (mm)
 220  220  320  450  500
 Motor for oil pump (3ph, HP)  1HP  1HP  3HP  3HP  3HP
 Motor for Cross head (3ph, HP)  0.5HP  1HP  2HP  3HP  3HP
Special Accessories :
These include load stabilizer, Brinell test attachment, Bend Test attachment and a wide range of accessories offered on request at additional cost.
Installation :
It is recommended that machines be erected on a foundation. Details on foundation can be given on request.
FIE reserves the rights of change in the above specifications due constant improvement in design. The dimensions given above are all approximate.
 
 
Quick Links  
 
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