FIELD: process engineering.
SUBSTANCE: in compliance with this invention, cylindrical shell is made from composites. All heterogeneous shell elements are fabricated of easily deformable fabric laid over heating surface of prepreg, its amount being calculated for every process revision and reinforcing fibres being arranged at the angle. Said heterogeneous shell elements are made by seaming at mandrel with sealing at required number of cycles repeated to design diameter of the shell. Heated surface features the relief corresponding to shell diameter differences at length equal to fabric prepreg length at this process step. Rocket engine charge igniter body from composites comprises cylindrical shell with outer heat-resistant coating and flat bottom on one side and free threaded end capped by detachable plug on opposite side to make an internal chamber to house said charge with elements of its ignition. Inner part of said cylindrical shell is made of easily deformable fabric laid over heating surface of prepreg, reinforcing fibres being arranged at the angle. Inner part of said cylindrical shell has internal thread with circular plies of shell profile thread extending onto cylindrical part and bottom composed of embedded part with flat end from the side of inner space and threaded tang from outer side.
EFFECT: simplified design of igniter body, better manufacturability.
8 cl, 5 dwg
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