CALCS PROC060
CLAMPED BOLT, FRICTION TORSION

NOTATION

mucoefficient of friction, clamped plates
Dnomdiameter, screw, nominal
Pclforce, clamp
reradius, clamped ring, effective
riradius, clamped ring, inner
roradius, clamped ring, outer
Ttorque, applied thru clamped plates
Tcaptorque, capacity
Tttorque, nut, tightening

APPLICATION

found in

OUTPUT

from prog

SEE ALSO

other porcs & progs

THEORY

refs

GUIDANCE

guidance notes

INPUT FORMAT

LET mu=:Dnom=:ro=:ri=:Tt=:T=:PROC060

EXAMPLE

Call Statement

LET mu=.2:Dnom=4:ro=4:ri=2:Tt=2000:T=1223:PROC060

Output

PROC060 CLAMPED BOLT, FRICTION TORSION, 070300
Pcl= 5*Tt/Dnom= 2500
re= (2/3)*(ro^3-ri^3)/(ro^2-ri^2)= 3.111
Tcap= Pcl*mu*re= 1556
UF= T/Tcap= 0.7862
END060