MTS Series 647 Hydraulic Wedge Grips User Manual
Page 80

Definintion
Term
Diameter of the round specimen (mm or in) (see “Specifications”)
D
Lateral clamping force of the wedge on the specimen (kN or lb)
F
c
Frictional force between the grip chamber and the wedge
f
c-w
Frictional force between the wedge and the specimen
f
w-s
Frictional forces reacting the torque
f
T
Maximum axial load applied to the specimen (kN or lb)
L
Normal forces between the grip chamber and the wedge
N
c-w
Normal forces between the wedge and the specimen
N
w-s
Grip supply pressure (MPa or psi)
P
Maximum Torque applied to the specimen (N·m or lbf·in)
T
Thickness of the flat specimen (in or mm) (see “Specifications” )
t
s
Static coefficient of friction between the grip chamber and the wedge
c-w
Static coefficient of friction between the wedge and the specimen
w-s
Width of the flat specimen (mm or in) (see “Specifications”)
W
s
80 Series 647 Hydraulic Wedge Grips Reference Manual
Operation