Fatigue Testing Machines, Compression Testing Machine, Erichson Sheet Metal Tester, End Quench Test Apparatus, Spring Testing Machines, Mechanical Universal Testing Machine, Computerized Universal Testing Machine, Mumbai, India
 

Fatigue Testing Machine


Application & Operation

This machine is used to test the fatigue strength of materials and to draw S-N diagram by research institutes, laboratories, material manufacturers and various industries. This is a rotating beam type machine in which load is applied in reversed bending fashion. The standard 8 mm dia specimen is held in special holders at its ends and loaded such that it experiences a uniform bending moment.

The specimen is rotated at 4200 rpm by a motor. A complete cycle of reversed stresses in all fibres of the specimen is produced during each revolution. The bending moment is applied with a lever system and can be easily changed by moving a weight over the lever. Total number of revolutions at which the specimen fails are recorded by a mechanical counter. An interlocking system puts off the motor at specimen failure. Machine meets requirements of IS 5075-1969

 

       
     Fatigue Testing Machines

  Features :
  • Light weight, compact size, simple design
  • Table model, no need of foundation
  • Simple lever system for changing load
  • Accurately calibrated as per IS 5075
  • Calibration in Nm available on request


TECHNICAL SPECIFICATION
01)  Maximum bending moment
Kg Cm
200
02)  Bending moment adjustable
Kg Cm
30-200
03)  Ranges
I-Kg Cm
II-Kg Cm
30-100
100-200
04)  Gripping dia of specimen
mm
12
05)  Testing dia of specimen
mm
8
06)  Rotating speed
rpm
4200
07)  Accuracy of applied bending moment
± 1%
08)  Digital counter No. of digits
8
09)  Power required
HP
0.5
10)  Main supply
A.C. 3 ph
440V,50 Hz
11)  Overall size (approx.)
mm
1000 L,X,500W X 600 H
12)  Weight (approx.)
Kg
100


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