Solder Joint - Lap Joint Calculation / Formula

Solder Joint Design Calculations

Solder lap joint equations for stress intension, stress in shear, tensile stress in brazed joint.

Solder lap joint equations for stress intension

Joint allowable stress in shear

Joint allowable stress in shear

Shear stress in joint

Shear stress in joint

Strength check

t tA

Minimum length of overlap

Minimum length of overlap

Minimum overlap length

Lopt = max {Lmin, L1}

where:

Minimum overlap length

where:

SUS

joint strength in shear(psi) [MPa]

kS

shear safety coefficient

F

transferred force (lbs) [N]

b

width of connected parts (in) [mm]

L

length of overlap (in) [mm]

SUb

tensile strength of basic material (psi) [MPa]

s

thickness of connected parts (in.) [mm]

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