| Solder Joint Design Calculations
Joint allowable stress in shear
Shear stress in joint
Strength check
t £ tA
Minimum step depth
Optimal Step Depth
Lopt = max {Lmin, L1}
where:
and the joint coefficient f:
for h1 < h2:
for h1 > h2:
Where:
|
SUS |
joint strength in shear (psi) [MPa] |
|
kS |
shear safety coefficient |
|
F |
transferred force (lbs) [N] |
|
d |
diameter of inner tube or step diameter (in.) [mm] |
|
L |
step depth (in.) [mm] |
|
SUb |
tensile strength of basic material (psi) [MPa] |
|
h1 |
tube thickness of inner tube (psi) [mm] |
|
h2 |
tube thickness of outer tube (psi) [mm] |
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