To improve the quality of a metal extruded material extrusion formed with a rotary wheel type continuous extrusion device.
In the rotary wheel type continuous extrusion device provided with a base stock guiding passage 16 which is formed by covering a part of a groove 11 formed on the outer peripheral surface of a rotary wheel 10, an abutment 17 which is projectingly provided in the groove 11 so as to block up this downstream end, a base stock guiding hole 19 which is formed on a feed plate 15 and opened at the downstream end of the base stock guiding passage 16 and a die 22 which is arranged on the side of the outer surface on the opposite side to the inner peripheral surface of the feed plate 15 and on which a forming hole 25 communicated with the base stock guiding hole 19 is formed, the flow guide 21 which is provided between the feed plate 15 and the die 22 and on which a hole part 26 for communicating the base stock guiding hole 19 and the forming hole 25 is provided and the inner surface of the hole part 26 is made into a tapered surface 28 with which the base stock guiding hole 19 and the forming hole 25 are smoothly connected.
OKUBO KIYOYUKI
Tadashi Takahashi
Yasuhiko Murayama
Noriko Yanai