The invention belongs to the manufacture technology field of aeronautical technological equipment, and provides a manufacture method of a high temperature resistance tail fairing shaping male mold. The manufacture method of the high temperature resistance tail fairing shaping male mold includes: step 1, manufacturing a tooling base body, and shaping inner relief grooves of all portions and a molded surface of an apparent curved surface through numerical control machining; step 2, according to ultimate machining parameters of an existing numerical control device in the enterprise, partitioningmachined ultimate separation faces, and relief holes, relief grooves, connection holes and connection planes of all the portions, connecting and fixing all the portions by using high temperature resistance resin and bolts, and completing manufacture of a base body of the high temperature resistance tail fairing shaping male mold; step 3: manually shaping high temperature epoxy resin on the manufactured whole base body of the high temperature resistance tail fairing shaping male mold to form a resin molded surface layer; and step 4: machining the resin molded surface layer through a numerical control method. The manufacture method of the high temperature resistance tail fairing shaping male mold is simple, convenient to implement, safe, and accurate.

Manufacture method of high temperature resistance tail fairing shaping male mold

The invention discloses a manufacturing method of a high-temperature-resistant non-metal tooling. The manufacturing method comprises the following steps of: manufacturing tooling frame plates, internal horizontal and longitudinal rib plates and molded surfaces; assembling the manufactured tool frame plates, the internal horizontal and longitudinal rib plates and manufacturing a whole matrix of thetooling; manually plasticizing high-temperature-resistant resin on the whole matrix of the manufactured tooling to form a resin molded surface layer; finally carrying out numerical-control machiningon the resin molded surface layer. The manufacturing method disclosed by the invention has the beneficial effects that the problems of long manufacturing period, need of transitional tooling, low accuracy of manual pasting, large labor intensity of workers and dirty and messy production environment in the manufacture of the existing high-temperature-resistant non-metal tooling and the formed tooling is easily deformed after multiple heating formation and is high in back repair rate and the like are solved.

Manufacturing method of high-temperature-resistant non-metal tooling

The invention belongs to the field of numerical control mechanical milling machining, and provides a rapid secondary alignment method for numerical control milling of workpieces. Numerical control datum holes serve as the basis, coordinate information (X, Y and Z) of the datum hole site is actually measured through a numerical control machine tool, according to the hole site coordinate information(X, Y and Z), a machining coordinate system is reset in the Catia drawing software, numerical control is carried out, and numerical control machining is carried out again. The method is simple, rapidand accurate.

Rapid secondary alignment method for numerical control milling of workpieces

The invention relates to a positioning method, in particular to a method for marking a hole position line of a spherical skin. The method comprises the following steps: step one, fixing the spherical skin according to a determined symmetry axis and a determined sphere center axis, and calculating the distance from a hole to a sphere center according to the coordinate value of the hole under a coordinate system; step two, taking the distance obtained in the step one as a radius, marking an arc line on the spherical skin around the sphere center axis of the spherical skin to obtain a point of intersection of the symmetry axis and the arc line; step three, calculating the distance from the point of intersection of the symmetry axis and the arc line to the hole; and step four, according to the distance determined in the step three, marking another arc line on the spherical skin by taking the point of intersection as a circle center and taking the determined distance from the point of intersection to the hole as a radius, and determining a point of intersection of the arc line and the arc line obtained in the step two as the position of the hole. Corresponding tools are used as auxiliary marking tools, a rotating shaft is mounted, and therefore, an inoperable projection size is transformed into an operable surface size.

Method for marking hole position line of spherical skin

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Papers

Manufacturing method of high-temperature-resistant non-metal tooling

Rapid secondary alignment method for numerical control milling of workpieces

Manufacture method of high temperature resistance tail fairing shaping male mold

Method for marking hole position line of spherical skin