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Mechanical Universal Testing Machines

Mechanical Universal Testing Machines
Mechanical Universal Testing Machines
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Loading Accuracy as high as + 1%
Suitable 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.
 
Application :
Tension Test
   
FIE Universal Testing Machine is designed for testing materials and other materials and other materials under tension, compression bending, transverse and shear loads.
   
Principal of Operation :
Tension Test
 
Operation of the machine 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 historically 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.
Attachment for Tension Test for shouldered and threaded specimens
 
Attachment for Tension Test for shouldered and
threaded specimens
Machine consists of :  
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Straining Unit 
 
Attachment for Tension Test for Wire Ropes
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 straight columns.
The lower cross-head is connected to two screwed columns which are driven by a motor. Axial loading of the ram is ensured by relieving the cylinder and ram 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.
     
Control Panel : 
Attachment for Tension Test for Wire Ropes
 
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.
   
Compression Test
Power Pack :
   
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.
   
Hydraulic Controls :
 
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.
   
Load Indicator System :
Compression Test
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.
   
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Pendulum Dynamometer : 
   
This unit permits selection of favourable 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.
   
Autographic Continuous Roll Load-Elongation Recorder :
   
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 ratio of either 1:5 or 1:10.

A continuous roll of graph paper is stored inside the drum and is easily replaced.
   
Accuracy & Calibration : 
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% of the selected rang, to full load. Below 20% of the selected range, the maximum permissible error is 0.2% of the full load reading.
   
 
 
 
Specification :  
 
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
Ø
-
3
3
3
3
3
3
3
Dimensions
-
-
-
-
-
-
-
-
L X W X H (approx.)
mm
2032 x
750 x
1960
2032 x
750 x
1960
2060 x
750 x
2180
2265 x
750 x
2534
2415 x
815 x
2900
3000 x
1200 x
3600
3500 x
1900 x
4550
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
15-3-

65
0-15
15-3-

70
0-22
22-44
44-65
70
0-20
20-45
45-70
90
0-25
25-50
50-75
100
For 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
Transverse Test
Transverse Test
 
 
 
Calibration of Machine with providing Ring
Calibration of Machine with providing Ring
 
 
 
Calibration of Machine with providing Ring
Calibration of Machine with providing Ring
 
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Due to constant, R & D, specifications and features are subjected to change without notice. The diamensions given a bove are approximate.
 
Special Accessories :
 
These include load stabilizer, Brinell test attachment, Bend test attachment, Shear test attachment and a wide range 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
   
 
 
 
 
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