valtspink mitme kolmevaltsilise valtstooliga e trio-valtstooliga (vt valtspink; vrd duo-valtspink, kvarto-valtspink, paljuvaltspink)
a type of rolling mill in which three working rolls are contained in a single housing (see: rolling mill; compare: two-high mill, four-high mill, cluster mill)
Hea teada
It is typically used for performing multiple reduction processes by wrapping material around the center mill roll and performing another reduction on the opposite mill roll pair.