ZeroClamp NP90, Инструкция по сборке и обслуживанию

Страница: 33 / 52

Operation
ZeroClamp zero point clamping system
– manual
33
F
Zentri
= m ∙ r
s
∙ (2π ∙
n
60
)
2
M
Schnitt
= F
Schnitt
∙ h
s
M
Unwucht
= F
Zentri
∙ h
z
M
Auszug x
= F
Auszug x
∙ x
∑M = 0 = 2 ∙ M
Auszug a
+ 2 ∙ M
Auszug b
− M
Schnitt
− M
Unwucht
Sicherheit S =
∑M
Auszug
∑M
Schnitt,Unwucht
As this is a static examination the safety factor for this estimate should be
S >> 3 !
7.1.2 Sample calculation 1
This sample calculation is about a base unit with four clamping pots and a pitch of
200 mm. The clamping pot size is 120 mm (F
Auszug
= 25kN).
Parameter:
n = 1000 rpm
m = 5 kg
h
z
= 0,3 m
h
s
= 0,6 m
a = 0,06 m
b = 0,26 m
r
s
= 0,01 m
F
Auszug x
= 25 kN
F
Schnitt
= 2 kN