FERROGRAPHY PLANT AREA : BOILER EQUIPMENT NAME : APH THRUST BEARING 1B SAMPLING DATE : 31/10/13 REPORT DATE : 19/11/13 MACHINE CONDITION : Machine Condition Reccomendation The machine condition is normal . The debris examination showed bearing debris in moderate quantity as a sign of fatigue . Offline filtration suggested for checking wear rate . Ferrous Wear Ferrous Wear Rating Non-Ferrous Wear Non-Ferrous Wear Rating Particles Particles <15 μ 30μ Contamination Subjective Rating Overall Severity Wear Rating Ø Ø Ferrous Metal Composition Observed Non -Ferrous Metal Composition Observed LOW ALLOY STEEL 23 ● Capron Marketing (P) Ltd. ● 61B, Plam Avenue, Flat - 3D, Kolkata - 19 ● TEL. 033 - 22817583/22814269 ● [email protected] NORMAL 0 1 2 3 4 5 6 7 8 3 4 5 9 10 0 1 10 Normal Rubbing Wear Normal Rubbing Wear Severe Sliding Wear Severe Sliding Wear 6 7 8 9 2 Cutting Wear Cutting Wear Gear Wear Gear Wear Bearing Wear Bearing Wear Red Oxide Others Black Oxide Others 0 1 2 3 4 5 6 7 8 9 10 Sand / Dirt 10 Fibres 9 Cont. Spheres 8 Lube Degradation 7 Others 6 5 4 3 2 1 0 02/05/13 31/10/13

Aph Thrust Bearing 1b

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FERROGRAPHY

PLANT AREA : BOILEREQUIPMENT NAME : APH THRUST BEARING 1BSAMPLING DATE : 31/10/13REPORT DATE : 19/11/13 MACHINE CONDITION :

Machine Condition ReccomendationThe machine condition is normal . The debris examination showed bearing debris in moderate quantity as a sign of fatigue . Offline filtration suggested for checking wear rate .

Ferrous Wear Ferrous Wear Rating Non-Ferrous Wear Non-Ferrous Wear RatingParticles Particles
FERROGRAPHY

PLANT AREA : BOILEREQUIPMENT NAME : APH THRUST BEARING 1BSAMPLING DATE : 31/10/13REPORT DATE : 19/11/13 MACHINE CONDITION :

Analytical Ferrography - Detailed Analysis Of Wear Regimes Evident in Components

The ferrous density test showed a result of 33 ppm . The acceptable limit is 0 - 40 ppm .The normal rubbing wear particle studied was