SCHUNK ROTA NC plus 2 Series - Calculations for clamping force and speed

Technical data
02.00|ROTA NC plus 2 / ROTA NCF plus 2 |en
21
Clamping force RPM graph ROTA NCF plus 260-86
Clamping force RPM graph ROTA NCF plus 315-104
Calculations for clamping force and speed
Missing information or specifications can be requested from the
manufacturer.
Legend
F
c
Total centrifugal force [N]
M
cAB
Centrifugal torque of top jaws [Kgm]
F
sp
Effective clamping force [N]
M
cGB
Centrifugal torque of base jaws [Kgm]
F
spmin
Minimum required clamping force
[N]
n
Speed [rpm]
F
sp0
Initial clamping force [N]
r
s
Center of gravity radius [m]
F
spz
Cutting force [N]
r
sAB
Center of gravity radius of top jaw [m]
m
AB
Mass of one top jaw [kg]
s
sp
Safety factor for clamping force
m
B
Mass of chuck jaw set [kg]
s
z
Safety factor for machining
M
c
Centrifugal force torque [Kgm]
Σ
s
Max. clamping force of chuck [N]
6.3