FIELD: electricity.
SUBSTANCE: invention relates to molding powdered material. Powder-like material (5) is introduced into cavity between lower male die (2) and female die (1) and compression molding is performed between upper (3) and lower (2) puncheons into pressed shape (51) of preset shape. Lower puncheon (2) is moved upwards for pushing of pressing (51). Lubricant is applied on inner surface of female die (1) by fitting strap (24) around elasticizer material impregnated with lubricant. Resilient material is selected from the group including felt, non-woven material and sponge.
EFFECT: in connection with application of lubricant during molding operation it is possible to perform this operation continuously.
8 cl, 8 dwg, 1 tbl, 3 ex
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Authors
Dates
2020-01-14—Published
2016-03-03—Filed