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EFFECT OF INCORRECT TAPPET CLEARANCE
A) EFFECT OF EXCESSIVE TAPPET CLEARANCE :- CAUSE THE VALVE TO OPEN LATE AND CLOSE EARLY IN THE CYCLE. REDUCE THE MAXIMUM LIFT OF THE VALVE. CAUSE NOISE, AND EVENTUALLY […]
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ADVANTAGES OF TRUNK-TYPE ENGINES
TRUNK-PISTON ENGINES HAVE THE ADVANTAGE OF REQUIRING LESS HEAD ROOM THAN CROSSHEAD ENGINES. TRUNK-PISTON ENGINES HAVE FEWER WORKING PARTS THAN CROSSHEAD TYPE ENGINES. TRUNK-PISTONS ENGINES ARE MUCH LESS COSTLY TO […]
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ADVANTAGE OF CROSSHEAD TYPE ENGINES
CROSSHEAD TYPE ENGINES ARE ABLE TO DEVELOP MUCH HIGHER POWER AT LOWER ROTATIONAL SPEED THAN TRUNK TYPE ENGINES, BECAUSE OF THE SPACE AVAILABLE FOR THE CROSSHEAD BEARINGS IS GREATER THAN […]
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DIFFERENCE BETWEEN CROSSHEAD TYPE AND TRUNK TYPE ENGINES
THE TRANSVERSE THRUST DUE TO THE OSCILLATION OF THE CONNECTING-ROD IS TAKEN UP BY THE CROSSHEAD ASSEMBLY AND ITS GUIDE IN THE CROSSHEAD TYPE OF ENGINES WHEREAS IN THE TRUNK […]
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BEARING TEMPERATURE MONITORING SYSTEM
THE BTM SYSTEM CONTINUOUSLY MONITORS THE TEMPERATURE OF THE BEARING. THE MONITORING IS PERFORMED EITHER BY MEASURING THE TEMPERATURE IN THE REAR SIDE OF THE BEARING SHELL DIRECTLY OR BY […]
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BEARING WEAR MONITORING SYSTEM
THE AIM OF BEARING WEAR MONITORING SYSTEM IS TO DETECT A BEARING DAMAGE BEFORE THE LINING (TIN-ALUMINIUM) IS WORN AWAY BY LINING SCUFFING, WIPING, ABRASION WEAR, MELTING OUT OR EXTENSIVE […]
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TYPE OF LUBRICATION
IN THIS POST WE WILL DISCUSS THREE TYPES OF LUBRICATION :- BOUNDARY LUBRICATION :- IF THE LAYER OF LUBRICANT IS ATTENUATED TO SUCH AN EXTEND THAT IT EXISTS ONLY IN […]
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DIFFICULTIES IN CROSSHEAD BEARING LUBRICATION
LUBRICATION OF CROSS-HEAD BEARING IS DIFFICULT DUE TO FOLLOWING REASON :- CROSS-HEAD BEARING HAS AN OSCILLATING MOTION HENCE NO HYDRODYNAMIC LUBRICATION IS POSSIBLE. THERE IS NO DIRECTION OF REVERSAL OF […]
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EFFECT OF CRANKSHAFT SLIPPAGE
THE EFFECT OF SLIPPAGE OF CRANKSHAFT DEPEND ON THE LOCATION OF THE SLIPPAGE. IF THE SLIPPAGE IS NEAR THE FLYWHEEL I.E NEAR THE CHAIN DRIVE, THEN ALL THE UNITS ARE […]
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INDICATION THAT SLIP HAS OCCURED IN CRANKSHAFT
IN A FULLY AND SEMI BUILD UP CRANKSHAFT THE JOURNAL AND CRANK-WEB AND SHRINK FIT TO ONE ANOTHER. AFTER CRANKSHAFT IS FULLY BUILD UP, A SMALL RECTANGULAR FLAT SURFACE IS […]
