Minor Diameter of Spline given Mean Radius Formula

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Minor Diameter of Spline Key Shaft is the innermost surface of the spline. It is the tip diameter of the internal spline or the root diameter of the external spline. Check FAQs
d=4Rm-D
d - Minor Diameter of Spline Key Shaft?Rm - Mean Radius of Spline of Shaft?D - Major Diameter of Spline Key Shaft?

Minor Diameter of Spline given Mean Radius Example

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With units
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Here is how the Minor Diameter of Spline given Mean Radius equation looks like with Values.

Here is how the Minor Diameter of Spline given Mean Radius equation looks like with Units.

Here is how the Minor Diameter of Spline given Mean Radius equation looks like.

52Edit=428Edit-60Edit
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Minor Diameter of Spline given Mean Radius Solution

Follow our step by step solution on how to calculate Minor Diameter of Spline given Mean Radius?

FIRST Step Consider the formula
d=4Rm-D
Next Step Substitute values of Variables
d=428mm-60mm
Next Step Convert Units
d=40.028m-0.06m
Next Step Prepare to Evaluate
d=40.028-0.06
Next Step Evaluate
d=0.052m
LAST Step Convert to Output's Unit
d=52mm

Minor Diameter of Spline given Mean Radius Formula Elements

Variables
Minor Diameter of Spline Key Shaft
Minor Diameter of Spline Key Shaft is the innermost surface of the spline. It is the tip diameter of the internal spline or the root diameter of the external spline.
Symbol: d
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Mean Radius of Spline of Shaft
Mean Radius of Spline of Shaft is defined as half the average of major and minor diameter of the spline.
Symbol: Rm
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Major Diameter of Spline Key Shaft
The Major Diameter of Spline Key Shaft is the outside diameter of the external surface of a spline.
Symbol: D
Measurement: LengthUnit: mm
Note: Value should be greater than 0.

Other formulas in Design of Splines category

​Go Torque Transmitting Capacity of Splines
Mt=pmARm
​Go Permissible Pressure on Splines given Torque Transmitting Capacity
pm=MtARm
​Go Total Area of Splines given Torque Transmitting Capacity
A=MtpmRm
​Go Total Area of Splines
A=0.5(lhn)(D-d)

How to Evaluate Minor Diameter of Spline given Mean Radius?

Minor Diameter of Spline given Mean Radius evaluator uses Minor Diameter of Spline Key Shaft = 4*Mean Radius of Spline of Shaft-Major Diameter of Spline Key Shaft to evaluate the Minor Diameter of Spline Key Shaft, Minor Diameter of Spline given Mean Radius formula is defined as a measure of the diameter of a spline shaft at its minor diameter, which is the smallest diameter of the shaft, typically used in the design of splines for mechanical engineering applications. Minor Diameter of Spline Key Shaft is denoted by d symbol.

How to evaluate Minor Diameter of Spline given Mean Radius using this online evaluator? To use this online evaluator for Minor Diameter of Spline given Mean Radius, enter Mean Radius of Spline of Shaft (Rm) & Major Diameter of Spline Key Shaft (D) and hit the calculate button.

FAQs on Minor Diameter of Spline given Mean Radius

What is the formula to find Minor Diameter of Spline given Mean Radius?
The formula of Minor Diameter of Spline given Mean Radius is expressed as Minor Diameter of Spline Key Shaft = 4*Mean Radius of Spline of Shaft-Major Diameter of Spline Key Shaft. Here is an example- 52000 = 4*0.028-0.06.
How to calculate Minor Diameter of Spline given Mean Radius?
With Mean Radius of Spline of Shaft (Rm) & Major Diameter of Spline Key Shaft (D) we can find Minor Diameter of Spline given Mean Radius using the formula - Minor Diameter of Spline Key Shaft = 4*Mean Radius of Spline of Shaft-Major Diameter of Spline Key Shaft.
Can the Minor Diameter of Spline given Mean Radius be negative?
No, the Minor Diameter of Spline given Mean Radius, measured in Length cannot be negative.
Which unit is used to measure Minor Diameter of Spline given Mean Radius?
Minor Diameter of Spline given Mean Radius is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Minor Diameter of Spline given Mean Radius can be measured.
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