FIELD: construction.
SUBSTANCE: in process of shaping mandrel preparation for operation, where mandrel is intended to manufacture products from composite materials, organosilicon lubricant is dissolved in benzine in amount of 5 vol % from the total volume of solution and is mixed to produce homogeneous solution. Produced solution is applied onto surface of shaping mandrel after its degreasing and is maintained in air for at least 30 minutes. Afterwards shaping mandrel is placed into heat furnace, is heated up to the temperature of 180 - 200°C and maintained in furnace at this temperatire for 2-3 hours.
EFFECT: required quality of shaping mandrel working surface by development of a strong anti-adhesion coating, which eliminates ingress of binder onto surface of shaping mandrel in process of part manufacturing, thus providing for easy removal of hardened stock with optimal ratio of complexity, labour intensiveness and cost of works performance.
1 dwg
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