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Analog Universal Testing Machines Model : UTN
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In Corporate design features to anable high accuracy testing with economy, speed and versatility

FIE introduces its new model of Universal Testing Machine with design flexibility, a modern appearance and high performance electronics. Some of the features include

Features

  • Loading Accuracy as high as + 1%
  • Straining at variable speeds to suit a wide range of materials.
  • Continuous roll autographic recorder supplied as standard to enable study of the behavior of materials
  • Motor driven threaded columns for quick effortless adjustment of lower cross-head-to facilitate rapid fixing of test specimen.
  • High reading accuracy due to large size and design of dial.
  • Wide range of standard and special accessories, including load stabilizer.
  • Easy change from plain to threaded and screwed specimens.
  • Large effective clearance between columns enables testing of standards specimens as well as structures.
  • Simple controls for easy of operation.
  • Robust staining frame of an extremely rigid construction.
  • Safe operation ensured be means of safety devices.
  • Fully enclosed and protected pendulum.
FIE Universal Testing Machine is designed for testing materials and other materials under tension, compression bending, transverse and shear loads.

Operation of the machines is by hydraulic transmission of load from the test specimen to a separately housed load indicator. The hydraulic 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 cylinder of the pendulum dynamometer system housed in the control panel. The cylinder of the dynamometer is also of self-lubricating design. The load transmitted to the cylinder of the dynamometer is transferred through a lever system to a pendulum. Displacement of the pendulum actuates the rack and pinion mechanism which operates the load indicator pointer and the autographic recorder. The deflection of the pendulum represent the absolute load applied on the test specimen.
Return movement of the pendulum is effectively damped to absorb energy in the event of sudden breakage of a specimen.

This consists of a hydraulic cylinder motor with chain and sprocket drive and a table coupled with the ram of the hydraulic cylinder, mounted on to a robust base. The cylinder and the ram are individually lapped to eliminate friction. The upper cross-head is rigidly fixed to the table by two straigh columns. The lower cross-head is connected to two screwed columns which are driven by a motor. Axial loading of the ram is ensured be reveling the cylinder and ram of of any possible side loading by the provision of ball seatings.
An elongation scale with a minimum graduation of 1 mm, is provided to measure the deformation of the specimen.
Tension test is conducted by gripping the test specimen between the upper and lower cross-heads,
Compression, transverse, bending, shear and hardness tests are conducted between the lower cross head and the table.
The lower cross-head can be raised or lowered rapidly by operating the screwed columns thus facilitating ease of fixing of the test specimen.

The control Panel consists of a power pack complete with drive motor and an oil tank, control valves a pendulum dynamometer a load indicator system and an autographic recorder.

The power pack generates the maximum pressure of 200 kgf/cm2 the hydraulic pump provides continuously non-pulsating oil flow. Hence the load application is very smooth.

Hand operates wheels are used to control the flow to and from the hydraulic cylinder. The regulation of oil flow is infinitely variable incorporated in the hydraulic system is a regulating valve which maintains a practically constant rate of piston movement. Control by this valve allows extensometer readings to be taken.

This system consists of a large dial and a pointer. A dummy pointer is provided to register the maximum load reached during the test. Different measuring ranges can be selected by operating the range selection knob. An overload trip switch is incorporated which automatically cuts out the pump motor when the load range in use is exceeded.

This unit permits selection of favorable hydraulic ratios producing relatively small frictional forces. Pressurised oil in the loading cylinder pushes up the measuring piston proportionately and actuates the special dynamometer system. The piston is constantly rotated to eliminate friction. The dynamometer system is also provided with an integral damper and ensures high reliability of operation. The load transmitted to the dynamometer is transferred through a pendulum to the load indicator.

This unit is of the pen and drum type and is supplied as standard. The horizontal motion of the pen produces the load ordinate of the diagram and the drum rotation produces the extension ordinates in the ration of either 1:5 or 1:10.

AII FIE 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 : Part 1 :1992 and IS 1828 : (Part 1) : 1991.
FIE Universal Testing Machines comply with Grade "A" of BS : 1610 : Part 1:1992 and class 1 of IS 1828 : (Part1) : 1991 An accuracy of + 1.0% is guaranteed from 20% from 20% of the load range selected to full load. Below 20% of the selected range, the maximum permissible error is 0.2% of the full load reading.

MODEL - UTN-10 UTN-20 UTN-40 UTN-60 UTN-100 UTN-200 UTN-300
Maximum Capacity kN 100 200 400 600 1000 2000 3000
1st Measuring Range kN 0-100 0-200 0-400 0-600 0-1000 0-2000 0-3000
Minimum Graduations kN 0.2 0.4 1 1 2 4 5
2nd Measuring Range kN 0.50 0-100 0-200 0-300 0-500 0-1000 0-1500
Minimum Graduations kN 0.1 0.2 0.5 0.5 1 2 2.5
3rd Measuring Range kN 0.25 0-50 0-100 0-120 0-250 0-500 0-600
Minimum Graduations kN 0.05 0.1 0.25 0.2 0.5 1 1
4th Measuring Range kN 0.10 0-20 0-40 0-60 0-100 0-200 0-300
Minimum Graduations kN 0.02 0.04 0.1 0.1 0.2 0.4 0.5
Clearance for tensile at fully descended working piston mm 50-700 50-700 50-700 50-800 50-850 50-900 50-900
Clearance for compression test at fully descended working piston mm 0-700 0-700 0-700 0-800 0-850 0-900 0-900
Clearance between columns mm 500 500 500 600 750 850 850
Ram stroke mm 150 200 200 250 250 300 300
Straining / piston speeds
(at no load)
mm/min 0-300 0-150 0-150 0-100 0-80 0-45 0-50
CONNECTED LOAD - - - - - - - -
HP - 1.3 1.3 2.3 2.5 3.5 6.5 8.5
V - 400-440 400-440 400-440 400-440 400-440 400-440 400-440
Æ - 3 3 3 3 3 3 3
DIMENSIONS - - - - - - - -
L X W X H (approx.) mm 2032 x
750 x
1960 x
2032 x
750 x
1960 x
2060 x
750 x
2180 x
2065 x
750 x
2534 x
2415 x
815 x
2900 x
3000 x
1200 x
3600 x
3500 x
1900 x
4550 x
Weight approx. kg 1500 1500 2500 3500 5500 12 500 22 000
STANDARD ACCESSORIES - - - - - - - -
FOR TENSION TEST - - - - - - - -
Clampings jaws for flat specimens diameter mm 10-20

20-30
10-20

20-30
10-25

25-40
10-25
25-40
40-55
10-25
25-45
45-70
20-40
20-60
60-80
25-50
50-70
70-90
Clampings jaws for flat specimens thickness width mm 0-10
10-20

50
0-10
10-20

50
0-15
15-30

65
0-15
15-30

70
0-22
22-44
44-65
70
0-20
20-45
45-70
90
0-25
25-50
50-75
100
FOE COMPRESSION TEST mm - - - - - - -
Pair of compression plates of diameter mm 120 120 120 120 160 220 220
FOR TRANSVERSE TEST mm - - - - - - -
Table with adjustable rollers width of rollers mm 160 160 160 160 160 200 200
Diameter of rollers mm 30 30 30 50 50 70 70
Maximum clearance between supports mm 500 500 500 600 800 900 1000
Radius of punch tops mm 6,12 6,12 12, 16 16, 22 16, 22 30, 40 50, 75

These include load stabilizer, Brinell test Attachment, Bend Test Attachment, Shear Test Attachment and a wide range accessories offered on request at additional cost.

It is recommended that machines be erected on a foundation. Details on foundation can be given on request

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