FIELD: process engineering.
SUBSTANCE: invention relates to metal forming, particularly, to tool for moulding with metal backflow. Said moulding tool comprises container with working barrel, plug to stop said barrel from one side, female die holder with lengthwise groove and composite female die arranged on opposite side. Said female die is composed by two pairs of opposite elements. First pair is secured at said female die holder. Second pairs elements, the inserts, featured cross-section increasing in moulding direction and are secured in aforesaid barrel. Inner surface of said inserts conjugates with the barrel inner surface. End locating surfaces are made at the ends of inserts and secured at mating locating surfaces opposite ends of said barrel.
EFFECT: moulding of variable- and constant-cross-section articles.
7 dwg
Authors
Dates
2015-09-20—Published
2013-12-10—Filed