✖Micrometer Reading is the reading of an instrument which can measure thickness of very small objects.ⓘ Micrometer Reading [M]			+10% -10%
✖Pitch Diameter is the diameter of the basic cylindrical shape on which threads are created.ⓘ Pitch Diameter [D]			+10% -10%
✖Screw Pitch is the distance between screw threads and is commonly used with inch sized products and specified as threads per inch.ⓘ Screw Pitch [P]			+10% -10%

✖Wire Diameter is the diameter of the wire in thread measurements.ⓘ Diameter of Measuring Wires British Threads [G]

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Formula

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Diameter of Measuring Wires British Threads

Formula

`"G" = ("M"-"D"+1.13634*"P")/3.4829`

Example

`"1.323328mm"=("8.2mm"-"7mm"+1.13634*"3mm")/3.4829`

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Diameter of Measuring Wires British Threads Solution

STEP 0: Pre-Calculation Summary

Formula Used

Wire Diameter = (Micrometer Reading-Pitch Diameter+1.13634*Screw Pitch)/3.4829
G = (M-D+1.13634*P)/3.4829
This formula uses 4 Variables

Variables Used

Wire Diameter - (Measured in Meter) - Wire Diameter is the diameter of the wire in thread measurements.
Micrometer Reading - (Measured in Meter) - Micrometer Reading is the reading of an instrument which can measure thickness of very small objects.
Pitch Diameter - (Measured in Meter) - Pitch Diameter is the diameter of the basic cylindrical shape on which threads are created.
Screw Pitch - (Measured in Meter) - Screw Pitch is the distance between screw threads and is commonly used with inch sized products and specified as threads per inch.

STEP 1: Convert Input(s) to Base Unit

Micrometer Reading: 8.2 Millimeter --> 0.0082 Meter (Check conversion here)
Pitch Diameter: 7 Millimeter --> 0.007 Meter (Check conversion here)
Screw Pitch: 3 Millimeter --> 0.003 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

G = (M-D+1.13634*P)/3.4829 --> (0.0082-0.007+1.13634*0.003)/3.4829

Evaluating ... ...

G = 0.00132332826093198

STEP 3: Convert Result to Output's Unit

0.00132332826093198 Meter -->1.32332826093198 Millimeter (Check conversion here)

FINAL ANSWER

1.32332826093198 ≈ 1.323328 Millimeter <-- Wire Diameter

(Calculation completed in 00.004 seconds)

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Home » Engineering » Production Engineering » Metrology » Thread Measurement » Three Wires System Method » British Association Thread » Diameter of Measuring Wires British Threads

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< 4 British Association Thread Calculators

Diameter of Measuring Wires British Threads

Go Wire Diameter = (Micrometer Reading-Pitch Diameter+1.13634*Screw Pitch)/3.4829

Pitch of Screw British

Go Screw Pitch = (Pitch Diameter+3.4829*Wire Diameter-Micrometer Reading)/1.13634

Micrometer Measurement per Reading British Threads

Go Micrometer Reading = Pitch Diameter+3.4829*Wire Diameter-1.13634*Screw Pitch

Pitch diameter British thread

Go Pitch Diameter = Micrometer Reading-3.4829*Wire Diameter+1.13634*Screw Pitch

Diameter of Measuring Wires British Threads Formula

Wire Diameter = (Micrometer Reading-Pitch Diameter+1.13634*Screw Pitch)/3.4829
G = (M-D+1.13634*P)/3.4829

What is the use of Three wire method ?

The accurate measurement of thread pitch diameter, which may be perfect as to form and lead, presents certain difficulties which result in some uncertainty as to its true value. The adoption of a standard uniform practice in making such measurements is, therefore, desirable in order to reduce such uncertainty of measurement to a minimum. The “three-wire method” of measuring thread pitch diameter, has been found to be the most generally satisfactory method when properly carried out, and is recommended for universal use in the direct measurement of thread plug and thread setting plug gauges.

How to Calculate Diameter of Measuring Wires British Threads?

Diameter of Measuring Wires British Threads calculator uses Wire Diameter = (Micrometer Reading-Pitch Diameter+1.13634*Screw Pitch)/3.4829 to calculate the Wire Diameter, Diameter of Measuring Wires British Threads formula refers to the size of the precision wires used in the three-wire method to accurately measure the pitch diameter of British Standard Whitworth (BSW) and British Standard Pipe (BSP) threads. Wire Diameter is denoted by G symbol.

How to calculate Diameter of Measuring Wires British Threads using this online calculator? To use this online calculator for Diameter of Measuring Wires British Threads, enter Micrometer Reading (M), Pitch Diameter (D) & Screw Pitch (P) and hit the calculate button. Here is how the Diameter of Measuring Wires British Threads calculation can be explained with given input values -> 1323.328 = (0.0082-0.007+1.13634*0.003)/3.4829.

FAQ

What is Diameter of Measuring Wires British Threads?

Diameter of Measuring Wires British Threads formula refers to the size of the precision wires used in the three-wire method to accurately measure the pitch diameter of British Standard Whitworth (BSW) and British Standard Pipe (BSP) threads and is represented as G = (M-D+1.13634*P)/3.4829 or Wire Diameter = (Micrometer Reading-Pitch Diameter+1.13634*Screw Pitch)/3.4829. Micrometer Reading is the reading of an instrument which can measure thickness of very small objects, Pitch Diameter is the diameter of the basic cylindrical shape on which threads are created & Screw Pitch is the distance between screw threads and is commonly used with inch sized products and specified as threads per inch.

How to calculate Diameter of Measuring Wires British Threads?

Diameter of Measuring Wires British Threads formula refers to the size of the precision wires used in the three-wire method to accurately measure the pitch diameter of British Standard Whitworth (BSW) and British Standard Pipe (BSP) threads is calculated using Wire Diameter = (Micrometer Reading-Pitch Diameter+1.13634*Screw Pitch)/3.4829. To calculate Diameter of Measuring Wires British Threads, you need Micrometer Reading (M), Pitch Diameter (D) & Screw Pitch (P). With our tool, you need to enter the respective value for Micrometer Reading, Pitch Diameter & Screw Pitch 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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