fatigue testing machine

Description:

FATIGUE TESTING MACHINE:

AS PER IS: 5075-1969

Introduction:

This machine is used to test the fatigue strength of materials and to draw S-N diagram by research institute, laboratories, material manufacturers and various industries. This is 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 located 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 the lever system and can be easily changed by moving a weight over the lever. Total number of revolution at which the specimen fails are recorded by a mechanical counter. An interlocking system puts off the motor at specimen failure.

Electronic counter instead of mechanical counter can be supplied at additional price.

Machine with maximum bending moment up to 400 Kg. cm can be offered on request.

Features:

Table model, no need of foundation.
Simple lever system for changing load.
Calibration in Nm available on request.
Light weight, Simple design, Compact Size.

Specifications:

1.	Maximum bending moment	kg cm	200
2.	Bending moment adjustable	kg cm	25-200
3.	Ranges	I - kg cm	25-125
3.	Ranges	II - kg cm	125-200
4.	Griping dia of specimen	mm	12
5.	Testing dia of specimen	mm	8
6.	Rotating speed	rpm	4200
7.	Accuracy of applied bending moment		+ 1%
8.	Digital counter No. Of digits (0-999999)		6
9.	Power required	HP/KW	1.0/0.75
10.	Main Supply	3ph.	440,V, 50 Hz A.C
11.	Overall Size (approx)	mm	1000 L x 500 W x 600 H
12.	Weight (approx)	kg	120

FATIGUE TESTING MACHINE

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FATIGUE TESTING MACHINE