Micrometer reading from three wire system method Formula

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Micrometer Reading is the reading of an instrument which can measure thickness of very small objects. Check FAQs
M=D+Gm(1+cosec(θ))-Pcot(θ)2
M - Micrometer Reading?D - Pitch Diameter?Gm - Wire Diameter Metric Thread?θ - Thread Angle?P - Screw Pitch?

Micrometer reading from three wire system method Example

With values
With units
Only example

Here is how the Micrometer reading from three wire system method equation looks like with Values.

Here is how the Micrometer reading from three wire system method equation looks like with Units.

Here is how the Micrometer reading from three wire system method equation looks like.

9.8832Edit=7Edit+1.74Edit(1+cosec(60Edit))-3Editcot(60Edit)2
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Micrometer reading from three wire system method Solution

Follow our step by step solution on how to calculate Micrometer reading from three wire system method?

FIRST Step Consider the formula
M=D+Gm(1+cosec(θ))-Pcot(θ)2
Next Step Substitute values of Variables
M=7mm+1.74mm(1+cosec(60°))-3mmcot(60°)2
Next Step Convert Units
M=0.007m+0.0017m(1+cosec(1.0472rad))-0.003mcot(1.0472rad)2
Next Step Prepare to Evaluate
M=0.007+0.0017(1+cosec(1.0472))-0.003cot(1.0472)2
Next Step Evaluate
M=0.00988315353299529m
Next Step Convert to Output's Unit
M=9.88315353299529mm
LAST Step Rounding Answer
M=9.8832mm

Micrometer reading from three wire system method Formula Elements

Variables
Functions
Micrometer Reading
Micrometer Reading is the reading of an instrument which can measure thickness of very small objects.
Symbol: M
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Pitch Diameter
Pitch Diameter is the diameter of the basic cylindrical shape on which threads are created.
Symbol: D
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Wire Diameter Metric Thread
Wire Diameter Metric Thread is any straight line segment that passes through the center of the wire circle and whose endpoints lie on the wire circle in the metric measurement system.
Symbol: Gm
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Thread Angle
Thread angle of a screw is the included angle between the thread flanks, measured in a plane containing the thread axis.
Symbol: θ
Measurement: AngleUnit: °
Note: Value should be greater than 0.
Screw Pitch
Screw Pitch is the distance between screw threads and is commonly used with inch sized products and specified as threads per inch.
Symbol: P
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
cot
Cotangent is a trigonometric function that is defined as the ratio of the adjacent side to the opposite side in a right triangle.
Syntax: cot(Angle)
sec
Secant is a trigonometric function that is defined ratio of the hypotenuse to the shorter side adjacent to an acute angle (in a right-angled triangle); the reciprocal of a cosine.
Syntax: sec(Angle)
cosec
The cosecant function is a trigonometric function that is the reciprocal of the sine function.
Syntax: cosec(Angle)

Other formulas in Metric Thread category

​Go Ideal wire diameter in three wire system method
Gm=(P2)sec(θ2)
​Go Diameter of Wire used in Three Wire System Method
Gm=M-D+Pcot(θ)21+cosec(θ)
​Go Pitch diameter from three wire system method
D=M-(Gm(1+cosec(θ))-Pcot(θ)2)
​Go Pitch of thread from three wire system method
P=D+Gm(1+cosec(θ))-Mcot(θ)2

How to Evaluate Micrometer reading from three wire system method?

Micrometer reading from three wire system method evaluator uses Micrometer Reading = Pitch Diameter+Wire Diameter Metric Thread*(1+cosec(Thread Angle))-(Screw Pitch*cot(Thread Angle))/2 to evaluate the Micrometer Reading, The Micrometer reading from three wire system method formula is defined as the measurement obtained using a micrometer when employing three precision wires to measure the pitch diameter of a threaded component. This method is commonly used in metrology for accurate measurement of external and internal threads, ensuring proper fit and functionality in mechanical assemblies. The micrometer reading corresponds to the distance over the wires, providing a direct measurement of the pitch diameter of the thread being evaluated. Micrometer Reading is denoted by M symbol.

How to evaluate Micrometer reading from three wire system method using this online evaluator? To use this online evaluator for Micrometer reading from three wire system method, enter Pitch Diameter (D), Wire Diameter Metric Thread (Gm), Thread Angle (θ) & Screw Pitch (P) and hit the calculate button.

FAQs on Micrometer reading from three wire system method

What is the formula to find Micrometer reading from three wire system method?
The formula of Micrometer reading from three wire system method is expressed as Micrometer Reading = Pitch Diameter+Wire Diameter Metric Thread*(1+cosec(Thread Angle))-(Screw Pitch*cot(Thread Angle))/2. Here is an example- 9913.108 = 0.007+0.00174*(1+cosec(1.0471975511964))-(0.003*cot(1.0471975511964))/2.
How to calculate Micrometer reading from three wire system method?
With Pitch Diameter (D), Wire Diameter Metric Thread (Gm), Thread Angle (θ) & Screw Pitch (P) we can find Micrometer reading from three wire system method using the formula - Micrometer Reading = Pitch Diameter+Wire Diameter Metric Thread*(1+cosec(Thread Angle))-(Screw Pitch*cot(Thread Angle))/2. This formula also uses Cotangent (cot)Secant (sec), Cosecant (cosec) function(s).
Can the Micrometer reading from three wire system method be negative?
No, the Micrometer reading from three wire system method, measured in Length cannot be negative.
Which unit is used to measure Micrometer reading from three wire system method?
Micrometer reading from three wire system method is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Micrometer reading from three wire system method can be measured.
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