2: Hardness measured by diamond Indenter of crankpin
on surface and cross sectional area [Fatigue failure with brittle fracture shown as A and B while C indicated as beach marks]
Fessler, "The design of overlapped crankshafts Part 1: crankpin
fillets," Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, vol.
1, both of the value and direction of the load applied to the crankshaft vary with time, so the center of the crankpin
has periodic motion relative to the connecting rod bearing center.
Regular repairs of marine diesel engine crankshaft main and crankpin
journals surfaces are therefore needed in order to perform partial or complete renovation of the worn crankshaft journals.
To calculate the frictional forces acting on surfaces between the vane and piston, between the piston and crankpin
, and of main bearing, Coulomb's friction law is applied.
First billet of the cheek with a crankpin
in the form of a boss is melted (Figure 1, a).
grinding using an indexing-type cylindrical grinder involves rotating the crankshaft in a fixture in which the shaft's main bearings are offset by one-half the distance of the stroke while the crankpin
sidewalls, radii, and diameter are plunge-ground using a wheel dressed to full width.
Cinetic Landis engineers initially proposed orbital grinding of crankpins
on large diesel crankshafts while recognizing that the concentric main bearing journals of these parts have typically been ground on single-wheel, inline cylindrical grinders.
has developed its Crank Center grinder that uses a single, narrow CBN wheel to make multiple orbital-grinding passes and a final wiping of each eccentric-diameter crankpin
They take each element so seriously that they have applied to register the unique sound of their V-twin, common crankpin
A low, gutteral growl", "two long vrooms followed by four shorter vrooms" and the sound of saying "potato, potato, potato" are descriptions by Harley owners of the distinctive exhaust sound produced by Harley-Davidson's v-twin, common crankpin
Analysis of crankpin
failure in a single cylinder engine", International journal of mechanical engineering and robotic research Issn 2278 - 0149 3: 4.