slewing mechanism

slewing mechanism

[′slü·iŋ ‚mek·ə‚niz·əm]
(engineering)
Device which permits rapid traverse or change in elevation of a weapon or instrument.
References in periodicals archive ?
It was because of this that Freeport chose a semi-mobile system without its own travel and slewing mechanism. When required, the 1,250 t capacity transport crawler will move the stacker.