Fatique Testing Machine for Metal Rods
LABAIDS® Fatigue Testing Machine can be used to conduct fatigue tests on various samples. The fatigue specimen is gripped on to a motor at one end to provide the rotational motion whereas the other end is attached to a bearing and also subjected to a load or stress (using slotted weights provided). When the specimen is rotated about the longitudinal axis, the upper and the lower parts of the specimen gauge length are subjected to tensile and compressive stresses respectively. Therefore, stress varies sinusoidally at any point on the specimen surface. The test proceeds until specimen failure takes place. The digital revolution counter is used to obtain the number of cycles to failures corresponding to the stress applied.
The machine has a Simple lever system for changing load (using slotted weights provided) and is accurately calibrated as per IS5075 - 1969. A digital counter is provided to count the number of cycles
LABAIDS® Fatigue Testing Machine helps you attain the following Objectives:
<![i1) Understand principle of fatigue testing as well as practice how to operate the fatigue testing machine in a reverse loading manner.
<![i2) Draw S-N curve (stress level - number of cycles to failure) of the test samples provided.
<![i3) Define the fatigue endurance limit or fatigue life and fatigue strength of the materials.
<![i4) Interpret the obtained experimental results and use them as a tool for material selection in engineering applications.
Technical Specification:
1 |
Maximum bending moment |
kg cm |
200 |
2 |
Bending movement adjustable |
kg cm |
0-200 |
3 |
Ranges |
1-kg cm |
30-100 |
4 |
Gripping 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 |
8 |
|
9 |
Power required |
H P |
0.5 |
10 |
Main supply |
A.C. 1 ph |
220V, 50 Hz |
Machine with maximum bending movement up to 400 kg/cm can also be offered on request.
NOTE: We reserve the right to change the design and specification without notice
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