To provide a method for feeding powder for a molded body, with which when a molded body is formed by powder, variation in the amount of the powder to be charged into a die can be reduced.
In the feeding method, powder P to be formed into the raw material of a molded body is fed from a hopper 10 to a chute box 11 through a hose 12. A plurality of nozzles 13a, 13b, 13c, 13d, 13e are fixed to the hose 12, and while feeding compressed air from a cylinder part 14 storing compressed air into the hose 12 via each nozzle, the powder P is fed to the chute box 11. By feeding the compressed air, clogging or the like of the powder in the vicinity of a connected part with the chute box 11 in the hose 12 is reduced, and a prescribed amount of powder P can be fed to the chute box 11.
ISHIMINE ASAYUKI
OGATA DAISUKE
MORIYA NAOTO
SUMITOMO ELECTRIC SINTERED ALLOY LTD