Depth of root face for minimum distortion of Butt joint Solution

STEP 0: Pre-Calculation Summary
Formula Used
Depth of Root Face = (0.38*Depth of the First V‑Groove-0.62*Depth of the Last V‑groove)/0.12
t3 = (0.38*t1-0.62*t2)/0.12
This formula uses 3 Variables
Variables Used
Depth of Root Face - (Measured in Meter) - Depth of root face is the thickness of that portion of plate which contains root face.
Depth of the First V‑Groove - (Measured in Meter) - Depth of the first V‑groove is the depth from surface of plate to the root face.
Depth of the Last V‑groove - (Measured in Meter) - Depth of the last V‑groove is the distance from the bottom of the plate to root face.
STEP 1: Convert Input(s) to Base Unit
Depth of the First V‑Groove: 6.29 Millimeter --> 0.00629 Meter (Check conversion here)
Depth of the Last V‑groove: 2.6 Millimeter --> 0.0026 Meter (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
t3 = (0.38*t1-0.62*t2)/0.12 --> (0.38*0.00629-0.62*0.0026)/0.12
Evaluating ... ...
t3 = 0.006485
STEP 3: Convert Result to Output's Unit
0.006485 Meter -->6.485 Millimeter (Check conversion here)
FINAL ANSWER
6.485 Millimeter <-- Depth of Root Face
(Calculation completed in 00.020 seconds)

Credits

Created by Rajat Vishwakarma
University Institute of Technology RGPV (UIT - RGPV), Bhopal
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Shri Madhwa Vadiraja Institute of Technology and Management (SMVITM), Udupi
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14 Butt Joints Calculators

Total transverse shrinkage during multi-pass welding of butt joint
Go Total Transverse Shrinkage = Transverse Shrinkage in First Pass+Constant for Multi-Pass Shrinkage*(log10(Total Weight of Weld Metal Deposited/Weld Metal Deposited in First Pass))
Transverse Shrinkage in First Pass given Total Shrinkage
Go Transverse Shrinkage in First Pass = Total Transverse Shrinkage-Constant for Multi-Pass Shrinkage*(log10(Total Weight of Weld Metal Deposited/Weld Metal Deposited in First Pass))
Metal Deposited in First Pass of Welding given Transverse Shrinkage
Go Weld Metal Deposited in First Pass = Total Weight of Weld Metal Deposited/(10^((Total Transverse Shrinkage-Transverse Shrinkage in First Pass)/Constant for Multi-Pass Shrinkage))
Total Metal Deposited in Weld given Total Transverse Shrinkage
Go Total Weight of Weld Metal Deposited = Weld Metal Deposited in First Pass*(10^((Total Transverse Shrinkage-Transverse Shrinkage in First Pass)/Constant for Multi-Pass Shrinkage))
Plate thickness for given transverse shrinkage in butt joints
Go Plate Thickness = (5.08*Cross‑Sectional Area of Weld)/(Transverse Shrinkage of Butt Joint-(1.27*Root Opening))
Transverse Shrinkage in Butt Joints
Go Transverse Shrinkage of Butt Joint = (5.08*(Cross‑Sectional Area of Weld/Plate Thickness))+(1.27*Root Opening)
Cross-sectional area of weld for given transverse shrinkage in butt joints
Go Cross‑Sectional Area of Weld = (Plate Thickness*(Transverse Shrinkage of Butt Joint-1.27*Root Opening))/5.08
Root Opening given Transverse Shrinkage
Go Root Opening = (Transverse Shrinkage of Butt Joint-5.08*(Cross‑Sectional Area of Weld/Plate Thickness))/1.27
Degree of restraint (Butt joints)
Go Degree of Restraint = ((1000/86)*((Transverse Shrinkage of Unrestrained Joint/Transverse Shrinkage of Restrained Joint)-1))^(1/0.87)
Shrinkage of unrestrained joint from given shrinkage of restrained Butt joint
Go Transverse Shrinkage of Unrestrained Joint = Transverse Shrinkage of Restrained Joint*(1+0.086*Degree of Restraint^0.87)
Transverse shrinkage of restrained joint
Go Transverse Shrinkage of Restrained Joint = Transverse Shrinkage of Unrestrained Joint/(1+0.086*Degree of Restraint^0.87)
Depth of first V-groove for minimum distortion of Butt joint
Go Depth of the First V‑Groove = (0.62*Depth of the Last V‑groove+0.12*Depth of Root Face)/0.38
Depth of last V-groove for minimum distortion of Butt joint
Go Depth of the Last V‑groove = (0.38*Depth of the First V‑Groove-0.12*Depth of Root Face)/0.62
Depth of root face for minimum distortion of Butt joint
Go Depth of Root Face = (0.38*Depth of the First V‑Groove-0.62*Depth of the Last V‑groove)/0.12

Depth of root face for minimum distortion of Butt joint Formula

Depth of Root Face = (0.38*Depth of the First V‑Groove-0.62*Depth of the Last V‑groove)/0.12
t3 = (0.38*t1-0.62*t2)/0.12

What is called Distortion in welding terms ?

One of the major problems found with weldments is the distortion. Distortion is caused mainly because of the shrinkage that take place in weldments. The shrinkage taking place in a weldment depends upon the geometry and type of the weld. There are three types of distortions possible in weldments.

(a) Transverse shrinkage occurring perpendicular to the weld line.
(b) Longitudinal shrinkage occurring parallel to the weld line, which is very small of the order of about 0.1% of the weld length and hence can be neglected.
(c) Angular change as a rotation about the weld line.

How to Calculate Depth of root face for minimum distortion of Butt joint?

Depth of root face for minimum distortion of Butt joint calculator uses Depth of Root Face = (0.38*Depth of the First V‑Groove-0.62*Depth of the Last V‑groove)/0.12 to calculate the Depth of Root Face, Depth of root face for minimum distortion of Butt joint formula is defined as the part of plate thickness which contains the root face which is prepared for butt joint. Depth of Root Face is denoted by t3 symbol.

How to calculate Depth of root face for minimum distortion of Butt joint using this online calculator? To use this online calculator for Depth of root face for minimum distortion of Butt joint, enter Depth of the First V‑Groove (t1) & Depth of the Last V‑groove (t2) and hit the calculate button. Here is how the Depth of root face for minimum distortion of Butt joint calculation can be explained with given input values -> 6485 = (0.38*0.00629-0.62*0.0026)/0.12.

FAQ

What is Depth of root face for minimum distortion of Butt joint?
Depth of root face for minimum distortion of Butt joint formula is defined as the part of plate thickness which contains the root face which is prepared for butt joint and is represented as t3 = (0.38*t1-0.62*t2)/0.12 or Depth of Root Face = (0.38*Depth of the First V‑Groove-0.62*Depth of the Last V‑groove)/0.12. Depth of the first V‑groove is the depth from surface of plate to the root face & Depth of the last V‑groove is the distance from the bottom of the plate to root face.
How to calculate Depth of root face for minimum distortion of Butt joint?
Depth of root face for minimum distortion of Butt joint formula is defined as the part of plate thickness which contains the root face which is prepared for butt joint is calculated using Depth of Root Face = (0.38*Depth of the First V‑Groove-0.62*Depth of the Last V‑groove)/0.12. To calculate Depth of root face for minimum distortion of Butt joint, you need Depth of the First V‑Groove (t1) & Depth of the Last V‑groove (t2). With our tool, you need to enter the respective value for Depth of the First V‑Groove & Depth of the Last V‑groove 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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