Maximum Gap between Free Ends of Ring before Assembly Solution

STEP 0: Pre-Calculation Summary
Formula Used
Gap between free Ends of Piston Ring = 4*Radial Width of Piston Ring
G = 4*b
This formula uses 2 Variables
Variables Used
Gap between free Ends of Piston Ring - (Measured in Meter) - Gap between free ends of piston ring is the gap to be kept between the free ends of a piston ring to aid in easy assembly over a piston.
Radial Width of Piston Ring - (Measured in Meter) - Radial width of piston ring is the width of the piston ring in the radial direction.
STEP 1: Convert Input(s) to Base Unit
Radial Width of Piston Ring: 6.93 Millimeter --> 0.00693 Meter (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
G = 4*b --> 4*0.00693
Evaluating ... ...
G = 0.02772
STEP 3: Convert Result to Output's Unit
0.02772 Meter -->27.72 Millimeter (Check conversion here)
FINAL ANSWER
27.72 Millimeter <-- Gap between free Ends of Piston Ring
(Calculation completed in 00.020 seconds)

Credits

Created by Saurabh Patil
Shri Govindram Seksaria Institute of Technology and Science (SGSITS ), Indore
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11 Piston Rings Calculators

Radial Width of Piston Ring
Go Radial Width of Piston Ring = Diameter of Cylinder Bore*sqrt(3*Allowable Radial Pressure on Piston Ring/Permissible Tensile Stress for Ring)
Length of Ring Section of Piston
Go Length of Ring Section of Piston = Number of Piston Rings*Axial Thickness of Piston Ring+(Number of Piston Rings-1)*Width of Ring Groove
Number of Piston Rings
Go Number of Piston Rings = Diameter of Cylinder Bore/(10*Minimum Axial Thickness of Piston Ring)
Minimum Axial Thickness of Piston Ring given Cylinder Inner Diameter
Go Axial Thickness of Piston Ring = Diameter of Cylinder Bore/(10*Number of Piston Rings)
Minimum Gap between Free Ends of Ring before Assembly
Go Gap between free Ends of Piston Ring = 3.5*Radial Width of Piston Ring
Maximum Gap between Free Ends of Ring after Assembly
Go Gap between free Ends of Piston Ring = 0.004*Diameter of Cylinder Bore
Minimum Gap between Free Ends of Ring after Assembly
Go Gap between free Ends of Piston Ring = 0.002*Diameter of Cylinder Bore
Maximum Gap between Free Ends of Ring before Assembly
Go Gap between free Ends of Piston Ring = 4*Radial Width of Piston Ring
Minimum Axial Thickness of Piston Ring given Radial Width of Ring
Go Axial Thickness of Piston Ring = 0.7*Radial Width of Piston Ring
Minimum Width of Ring Groove
Go Width of Ring Groove = 0.75*Axial Thickness of Piston Ring
Maximum Width of Top Land
Go Width of Top Land = 1.2*Thickness of Piston Head

Maximum Gap between Free Ends of Ring before Assembly Formula

Gap between free Ends of Piston Ring = 4*Radial Width of Piston Ring
G = 4*b

Guidelines for design of piston rings

(i) Materials of Piston Rings are usually made of grey cast iron and in some cases, alloy cast iron. Grey cast iron has excellent wear resistance. It also retains the spring characteristic at high temperatures. In some cases, piston rings are chromium-plated to reduce wear.
(ii) Number of Piston Rings: There are no strict rules for deciding the number of compression rings. The number of compression rings in automobile and aircraft engines is usually between 3 to 4. In stationary diesel engines, 5 to 7 compression rings are used. The number of oil scraper rings is usually between 1 to 3.

How to Calculate Maximum Gap between Free Ends of Ring before Assembly?

Maximum Gap between Free Ends of Ring before Assembly calculator uses Gap between free Ends of Piston Ring = 4*Radial Width of Piston Ring to calculate the Gap between free Ends of Piston Ring, Maximum gap between free ends of ring before assembly is the maximum amount of gap that can kept between the free ends of a piston ring before assembly so that the ring can be compressed diagonally and passed into the liner. Gap between free Ends of Piston Ring is denoted by G symbol.

How to calculate Maximum Gap between Free Ends of Ring before Assembly using this online calculator? To use this online calculator for Maximum Gap between Free Ends of Ring before Assembly, enter Radial Width of Piston Ring (b) and hit the calculate button. Here is how the Maximum Gap between Free Ends of Ring before Assembly calculation can be explained with given input values -> 27720 = 4*0.00693.

FAQ

What is Maximum Gap between Free Ends of Ring before Assembly?
Maximum gap between free ends of ring before assembly is the maximum amount of gap that can kept between the free ends of a piston ring before assembly so that the ring can be compressed diagonally and passed into the liner and is represented as G = 4*b or Gap between free Ends of Piston Ring = 4*Radial Width of Piston Ring. Radial width of piston ring is the width of the piston ring in the radial direction.
How to calculate Maximum Gap between Free Ends of Ring before Assembly?
Maximum gap between free ends of ring before assembly is the maximum amount of gap that can kept between the free ends of a piston ring before assembly so that the ring can be compressed diagonally and passed into the liner is calculated using Gap between free Ends of Piston Ring = 4*Radial Width of Piston Ring. To calculate Maximum Gap between Free Ends of Ring before Assembly, you need Radial Width of Piston Ring (b). With our tool, you need to enter the respective value for Radial Width of Piston Ring and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Gap between free Ends of Piston Ring?
In this formula, Gap between free Ends of Piston Ring uses Radial Width of Piston Ring. We can use 3 other way(s) to calculate the same, which is/are as follows -
  • Gap between free Ends of Piston Ring = 0.004*Diameter of Cylinder Bore
  • Gap between free Ends of Piston Ring = 0.002*Diameter of Cylinder Bore
  • Gap between free Ends of Piston Ring = 3.5*Radial Width of Piston Ring
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