Bearing Pressure on Crank Pin Bush Solution

STEP 0: Pre-Calculation Summary
Formula Used
Bearing Pressure of CrankPin Bush = Force on Crank Pin Bearing/(Inner Diameter of Bush on Crank Pin*Length of Bush on Crank Pin)
pbc = Pc/(dcp*lc)
This formula uses 4 Variables
Variables Used
Bearing Pressure of CrankPin Bush - (Measured in Pascal) - Bearing Pressure of CrankPin Bush is the bearing pressure at the crank pin bearing of the big end of the connecting rod.
Force on Crank Pin Bearing - (Measured in Newton) - Force on crank pin bearing is the force acting onto the bearing used in the assembly of crank pin, crank, and the connecting rod.
Inner Diameter of Bush on Crank Pin - (Measured in Meter) - Inner diameter of bush on crank pin is the internal diameter of the bush used in between the crank pin and the crank pin bearing.
Length of Bush on Crank Pin - (Measured in Meter) - Length of bush on crank pin is the length of the bush used in between the crank pin and the crank pin bearing.
STEP 1: Convert Input(s) to Base Unit
Force on Crank Pin Bearing: 28800 Newton --> 28800 Newton No Conversion Required
Inner Diameter of Bush on Crank Pin: 55.8 Millimeter --> 0.0558 Meter (Check conversion here)
Length of Bush on Crank Pin: 75.8 Millimeter --> 0.0758 Meter (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
pbc = Pc/(dcp*lc) --> 28800/(0.0558*0.0758)
Evaluating ... ...
pbc = 6809090.13533066
STEP 3: Convert Result to Output's Unit
6809090.13533066 Pascal -->6.80909013533067 Newton per Square Millimeter (Check conversion here)
FINAL ANSWER
6.80909013533067 6.80909 Newton per Square Millimeter <-- Bearing Pressure of CrankPin Bush
(Calculation completed in 00.004 seconds)

Credits

Created by Saurabh Patil
Shri Govindram Seksaria Institute of Technology and Science (SGSITS ), Indore
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12 Big and Small End Bearing Calculators

Bearing Pressure on Piston Pin Bush
Go Bearing Pressure of Piston Pin Bush = Force on Piston Pin Bearing/(Inner Diameter of Bush on Piston Pin*Length of Bush on Piston Pin)
Maximum Force Acting on Piston Pin Bearing given Allowable Bearing Pressure
Go Force on Piston Pin Bearing = Inner Diameter of Bush on Piston Pin*Length of Bush on Piston Pin*Bearing Pressure of Piston Pin Bush
Bearing Pressure on Crank Pin Bush
Go Bearing Pressure of CrankPin Bush = Force on Crank Pin Bearing/(Inner Diameter of Bush on Crank Pin*Length of Bush on Crank Pin)
Maximum Force Acting on Crank Pin Bearing given Allowable Bearing Pressure
Go Force on Crank Pin Bearing = Inner Diameter of Bush on Crank Pin*Length of Bush on Crank Pin*Bearing Pressure of CrankPin Bush
Maximum Force Acting on Piston Pin Bearing
Go Force on Piston Pin Bearing = pi*Inner Diameter of Engine Cylinder^2*Maximum pressure in engine cylinder/4
Mass of Reciprocating Parts in Engine Cylinder
Go Mass of Reciprocating Parts in Engine Cylinder = Mass of Piston Assembly+Mass of Connecting Rod/3
Angular Velocity of Crank given Engine Speed in RPM
Go Angular Velocity of Crank = 2*pi*Engine Speed in rpm/60
Minimum Height of Connecting Rod at Small End
Go Height of connecting rod section = 0.75*Height of Connecting Rod at Mid Section
Maximum Height of Connecting Rod at Big End
Go Height of connecting rod section = 1.25*Height of Connecting Rod at Mid Section
Maximum Height of Connecting Rod at Small End
Go Height of connecting rod section = 0.9*Height of Connecting Rod at Mid Section
Minimum Height of Connecting Rod at Big End
Go Height of connecting rod section = 1.1*Height of Connecting Rod at Mid Section
Crank Radius given Stroke Length of Piston
Go Crank Radius of Engine = Stroke Length/2

Bearing Pressure on Crank Pin Bush Formula

Bearing Pressure of CrankPin Bush = Force on Crank Pin Bearing/(Inner Diameter of Bush on Crank Pin*Length of Bush on Crank Pin)
pbc = Pc/(dcp*lc)

Crank Pin for Different Engines

In a single-cylinder engine, straight engine, or flat engine, each crankpin normally serves just one cylinder. This results in a relatively simple design and it is the cheapest to produce. Most V engines have each pair of cylinders sharing a crankpin. This usually requires an offset between the cylinders in each bank, resulting in a simple connecting rod design. If a cylinder offset is not used, then the connecting rods must be articulated or forked at the big end. Forked connecting rods are mainly used in V-twin motorcycle engines, but in the past were found on a number of automobile and aero engines, such as the Rolls-Royce Merlin aero engine of the WWII era. Radial engines use a more complicated version of articulated connecting rods, where a single "master" connecting rod is attached to the single crankpin (one for each row in multi-row designs), and smaller bearings for each of the corresponding cylinders machined into the big end of the master rod.

How to Calculate Bearing Pressure on Crank Pin Bush?

Bearing Pressure on Crank Pin Bush calculator uses Bearing Pressure of CrankPin Bush = Force on Crank Pin Bearing/(Inner Diameter of Bush on Crank Pin*Length of Bush on Crank Pin) to calculate the Bearing Pressure of CrankPin Bush, Bearing pressure on crank pin bush is the compressive force acting on the contact area between crank pin and the bush having no relative motion between them. Bearing Pressure of CrankPin Bush is denoted by pbc symbol.

How to calculate Bearing Pressure on Crank Pin Bush using this online calculator? To use this online calculator for Bearing Pressure on Crank Pin Bush, enter Force on Crank Pin Bearing (Pc), Inner Diameter of Bush on Crank Pin (dcp) & Length of Bush on Crank Pin (lc) and hit the calculate button. Here is how the Bearing Pressure on Crank Pin Bush calculation can be explained with given input values -> 6.8E-6 = 28800/(0.0558*0.0758).

FAQ

What is Bearing Pressure on Crank Pin Bush?
Bearing pressure on crank pin bush is the compressive force acting on the contact area between crank pin and the bush having no relative motion between them and is represented as pbc = Pc/(dcp*lc) or Bearing Pressure of CrankPin Bush = Force on Crank Pin Bearing/(Inner Diameter of Bush on Crank Pin*Length of Bush on Crank Pin). Force on crank pin bearing is the force acting onto the bearing used in the assembly of crank pin, crank, and the connecting rod, Inner diameter of bush on crank pin is the internal diameter of the bush used in between the crank pin and the crank pin bearing & Length of bush on crank pin is the length of the bush used in between the crank pin and the crank pin bearing.
How to calculate Bearing Pressure on Crank Pin Bush?
Bearing pressure on crank pin bush is the compressive force acting on the contact area between crank pin and the bush having no relative motion between them is calculated using Bearing Pressure of CrankPin Bush = Force on Crank Pin Bearing/(Inner Diameter of Bush on Crank Pin*Length of Bush on Crank Pin). To calculate Bearing Pressure on Crank Pin Bush, you need Force on Crank Pin Bearing (Pc), Inner Diameter of Bush on Crank Pin (dcp) & Length of Bush on Crank Pin (lc). With our tool, you need to enter the respective value for Force on Crank Pin Bearing, Inner Diameter of Bush on Crank Pin & Length of Bush on Crank Pin and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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