FIELD: rocket engineering.
SUBSTANCE: invention relates to a device for washing a sand-polymer mandrel out of a missile engine body. Technical result is achieved by an adaptation for washing away the sand-polymer mandrel from the missile engine body after winding its power shell, which contains a lid mounted on the flange of the missile engine body, with holes through which the steam supply lines pass into the housing. Moreover, the lid is made in the form of a removable bottom placed in the shell of the rocket engine of the cup, equipped with a flange, connected to the flange of the casing.
EFFECT: technical result is a reduction in the temperature of the material massif of the thermal protective coating of the RDTT body in the vicinity of the flanges during the washing process of the forming part of the mandrel by means of steam.
1 cl, 6 dwg
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