Calculator Based on MISUMIUSA method [Metric Online Product Guide p. 212]
Show/Hide Equations
P = \frac{n \pi^{2} EI}{l^{2}}
where
I=\left(\frac{\pi}{64}\right)d^{4}
Nc = SF \left(\frac{60\lambda^{2}}{2 \pi l^{2}}\right) \sqrt{\frac{EIx10^{3}}{\gamma}}
Lh = \frac{10^{6}}{60N_{m}} \left(\frac{C}{P_{m}f_{w}}\right)^{3}
Load and Speed Limits
Distance Between Points of Buckling Load (l):
mm
Young's Modulus (E):
N/mm
2
Thread Root Diameter (d):
mm
Safety Factor (SF):
Coefficient Determined by Method of Screw Support (n,m):
Support-Support
Fixed-Support
Fixed-Fixed
Fixed-Free
Specific Gravity (lambda):
kg/mm
3
Service Life Estimate
Dynamic Load Rating of Ball Screw combination (C):
N
Mean Revolution Frequency (N
m
):
min
-1
Mean Axial Load (P
m
):
N
Work Factor (f
w
):
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