Span Length of Big End Cap of Connecting Rod Calculator

✖Density of Connecting Rod Material is the mass of a unit volume of the connecting rod.ⓘ Density of Connecting Rod Material [D_C]			+10% -10%
✖Thickness of Bush is the thickness of the walls of a bush used as mechanical fixing between two, possibly moving, parts, or a strengthened fixing point.ⓘ Thickness of Bush [t_b]			+10% -10%
✖Nominal Bolt Diameter is the size most commonly associated with screw threads is the nominal diameter.ⓘ Nominal Bolt Diameter [d_n]			+10% -10%

✖Span Length of Big End Cap of a connecting rod is the distance between the bolt centers of the bolts used for fastening the big end cap.ⓘ Span Length of Big End Cap of Connecting Rod [l]

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Span Length of Big End Cap of Connecting Rod Solution

STEP 0: Pre-Calculation Summary

Formula Used

Span Length of Big End Cap = Density of Connecting Rod Material+2*Thickness of Bush+Nominal Bolt Diameter+0.003
l = D_C+2*t_b+d_n+0.003
This formula uses 4 Variables

Variables Used

Span Length of Big End Cap - (Measured in Meter) - Span Length of Big End Cap of a connecting rod is the distance between the bolt centers of the bolts used for fastening the big end cap.
Density of Connecting Rod Material - (Measured in Kilogram per Cubic Meter) - Density of Connecting Rod Material is the mass of a unit volume of the connecting rod.
Thickness of Bush - (Measured in Meter) - Thickness of Bush is the thickness of the walls of a bush used as mechanical fixing between two, possibly moving, parts, or a strengthened fixing point.
Nominal Bolt Diameter - (Measured in Meter) - Nominal Bolt Diameter is the size most commonly associated with screw threads is the nominal diameter.

STEP 1: Convert Input(s) to Base Unit

Density of Connecting Rod Material: 0.0682 Kilogram per Cubic Meter --> 0.0682 Kilogram per Cubic Meter No Conversion Required
Thickness of Bush: 3 Millimeter --> 0.003 Meter (Check conversion here)
Nominal Bolt Diameter: 2.8 Millimeter --> 0.0028 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

l = D_C+2*t_b+d_n+0.003 --> 0.0682+2*0.003+0.0028+0.003

Evaluating ... ...

l = 0.08

STEP 3: Convert Result to Output's Unit

0.08 Meter -->80 Millimeter (Check conversion here)

FINAL ANSWER

80 Millimeter <-- Span Length of Big End Cap

(Calculation completed in 00.006 seconds)

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Home » Physics » IC Engine » Design of IC Engine Components » Connecting Rod » Mechanical » Big End Cap and Bolt » Span Length of Big End Cap of Connecting Rod

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Created by Saurabh Patil

Shri Govindram Seksaria Institute of Technology and Science (SGSITS ), Indore

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< Big End Cap and Bolt Calculators

Inertia Force on Bolts of Connecting Rod

LaTeX Go Inertia Force on Bolts of Connected Rod = Mass of Reciprocating Parts in Engine Cylinder*Angular Velocity of Crank^2*Crank Radius of Engine*(cos(Crank Angle)+cos(2*Crank Angle)/Ratio of Length of Connecting Rod to Crank Length)

Maximum Inertia Force on Bolts of Connecting Rod

LaTeX Go Maximum Inertia Force on Bolts of Connecting Rod = Mass of Reciprocating Parts in Engine Cylinder*Angular Velocity of Crank^2*Crank Radius of Engine*(1+1/Ratio of Length of Connecting Rod to Crank Length)

Core Diameter of Bolts of Big End Cap of Connecting Rod

LaTeX Go Core Diameter of Big End Bolt = sqrt(2*Inertia Force on Bolts of Connecting Rod/(pi*Permissible Tensile Stress))

Maximum Inertia Force on Bolts of Connecting Rod given Permissible Tensile Stress of Bolts

LaTeX Go Inertia Force on Bolts of Connecting Rod = pi*Core Diameter of Big End Bolt^2*Permissible Tensile Stress/2

Span Length of Big End Cap of Connecting Rod Formula

LaTeX Go

Span Length of Big End Cap = Density of Connecting Rod Material+2*Thickness of Bush+Nominal Bolt Diameter+0.003
l = D_C+2*t_b+d_n+0.003

Material of bolts for Big End Cap

The bolts and the big end cap are subjected to a tensile force which corresponds to the inertia force of the reciprocating parts at the top dead center on the exhaust stroke. The bolts may be made of high carbon steel or nickel alloy steel. Since the bolts are under repeated stresses but not alternating stresses, therefore, a factor of safety may be taken as 6.

Functions of Big End Cap

The big end of the connecting rod connects to the crankpin journal to provide a pivot point on the crankshaft. Connecting rods are produced as one-piece or two-piece components. A rod cap is the removable section of a two-piece connecting rod that provides a bearing surface for the crankpin journal. The rod cap is attached to the connecting rod with two cap screws for installation and removal from the crankshaft.

How to Calculate Span Length of Big End Cap of Connecting Rod?

Span Length of Big End Cap of Connecting Rod calculator uses Span Length of Big End Cap = Density of Connecting Rod Material+2*Thickness of Bush+Nominal Bolt Diameter+0.003 to calculate the Span Length of Big End Cap, Span length of big end cap of connecting rod is the distance between the bolt centers of the bolts used for fastening the big end cap. Span Length of Big End Cap is denoted by l symbol.

How to calculate Span Length of Big End Cap of Connecting Rod using this online calculator? To use this online calculator for Span Length of Big End Cap of Connecting Rod, enter Density of Connecting Rod Material (D_C), Thickness of Bush (t_b) & Nominal Bolt Diameter (d_n) and hit the calculate button. Here is how the Span Length of Big End Cap of Connecting Rod calculation can be explained with given input values -> 7E+6 = 0.0682+2*0.003+0.0028+0.003.

FAQ

What is Span Length of Big End Cap of Connecting Rod?

Span length of big end cap of connecting rod is the distance between the bolt centers of the bolts used for fastening the big end cap and is represented as l = D_C+2*t_b+d_n+0.003 or Span Length of Big End Cap = Density of Connecting Rod Material+2*Thickness of Bush+Nominal Bolt Diameter+0.003. Density of Connecting Rod Material is the mass of a unit volume of the connecting rod, Thickness of Bush is the thickness of the walls of a bush used as mechanical fixing between two, possibly moving, parts, or a strengthened fixing point & Nominal Bolt Diameter is the size most commonly associated with screw threads is the nominal diameter.

How to calculate Span Length of Big End Cap of Connecting Rod?

Span length of big end cap of connecting rod is the distance between the bolt centers of the bolts used for fastening the big end cap is calculated using Span Length of Big End Cap = Density of Connecting Rod Material+2*Thickness of Bush+Nominal Bolt Diameter+0.003. To calculate Span Length of Big End Cap of Connecting Rod, you need Density of Connecting Rod Material (D_C), Thickness of Bush (t_b) & Nominal Bolt Diameter (d_n). With our tool, you need to enter the respective value for Density of Connecting Rod Material, Thickness of Bush & Nominal Bolt Diameter 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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