Festo CPX-CMAX-C1-1, Mounting, Installation And Diagnostics

Page: 46 / 176

2. F itti ng and p ne u ma ti c i ns t a ll a tio n
2 − 16
Fes to P . B E − C PX− CMA X−S Y S− EN en 0908N H
1
Fa vour ab l e na tur a l
vi b r a tio n be h a viour
2
Un f a vour ab l e na tur a l
vi b r a tio n be h a viour
1 2
F i g .2 / 3 : Ex am pl e: Fa vour ab l e and u n f a vour ab l e na tur a l vi b r a tio n be h a viour of th e mass
Mass moment of inertia for semi−rotary drives
Th e mass m o men t of i ne rti a m u s t n ot c h ange d uri ng th e
m ov emen t. F or thi s r eas o n , th e followi ng a ppli es for th e
m ou n ti ng po s itio n , de p end i ng o n th e lo ad:
C en tr e of g r a vity i n th e a xi s of rot a tio n
M ass i s rot a tio na lly s y mme tri ca l :
}
an y m ou n ti ng po s itio n p e r m i ss i b l e .
C en tr e of g r a vity i n th e a xi s of rot a tio n
M ass i s rot a tio na lly as y mme tri ca l :
}
o n ly v e rti ca l m ou n ti ng po s itio n p e r m i ss i b l e , d riv e
s h a ft poi n t s upw a r d or d ow n w a r d ( see e x am pl e F i g .2 / 3).
C en tr e of g r a vity out s i de of th e a xi s of rot a tio n
( n ot r ec o mmended ) :
}
o n ly v e rti ca l m ou n ti ng po s itio n p e r m i ss i b l e , d riv e
s h a ft poi n t s upw a r d or d ow n w a r d .