초록 ▼

A method for producing three-dimensional bodies of a large number of mutually connected layers of a particle-shaped material such as a powder, and where the information of the appearance of each layer is achieved from a computer's CAD-unit or similar. An essentially even particle layer (7) of buildi

A method for producing three-dimensional bodies of a large number of mutually connected layers of a particle-shaped material such as a powder, and where the information of the appearance of each layer is achieved from a computer's CAD-unit or similar. An essentially even particle layer (7) of building material is applied on a support base (6) and on a masking device (9) is arranged a masking pattern in accordance with the information from the CAD-unit, which masking device is led over said particle layer and close to it. A radiation producer (8) is arranged or is led over the masking device (9), whereby the particles which are not covered by the masking pattern are exposed for radiation and thereby are attached to each other. The masking pattern is removed from the masking device and new sequences in accordance with the above are carried through until the three-dimensional body (19) is produced.

대표청구항 ▼

A method for producing three-dimensional bodies of a large number of mutually connected layers of a particle-shaped material such as a powder, and where the information of the appearance of each layer is achieved from a computer's CAD-unit or similar. An essentially even particle layer (7) of buildi

A method for producing three-dimensional bodies of a large number of mutually connected layers of a particle-shaped material such as a powder, and where the information of the appearance of each layer is achieved from a computer's CAD-unit or similar. An essentially even particle layer (7) of building material is applied on a support base (6) and on a masking device (9) is arranged a masking pattern in accordance with the information from the CAD-unit, which masking device is led over said particle layer and close to it. A radiation producer (8) is arranged or is led over the masking device (9), whereby the particles which are not covered by the masking pattern are exposed for radiation and thereby are attached to each other. The masking pattern is removed from the masking device and new sequences in accordance with the above are carried through until the three-dimensional body (19) is produced. a plastic film further comprises the step of providing a mold compound piece covered in a plastic film that has a heat seal, said heat seal becoming penetrable during the molding process, such that the mold compound exits the plastic package through said heat seal in response to said compressing step. 4. The method of claim 1 wherein said step of providing a mold compound insert comprises providing a thermoset resin packaged in a sproutless package. 5. The method of claim 1 wherein said step of providing a mold compound insert comprises providing a thermoset resin packaged in a sproutless plastic film. 6. The method of claim 1, wherein said bottom die cavities are coupled to said runners by gate regions, said gate regions restricting the flow of said mold compound into said cavities such that the fill rate of said cavities with said mold compound is a predetermined rate. 7. The method of claim 1, wherein said step of providing a providing a plurality of runners coupling said mold compound receptacle to each of said die cavity regions comprises providing a plurality of runners that are substantially equal in length such that the distance from the bottom die cavities to said mold receptacles is substantially equidistant. 8. The method of claim 3, wherein said step of providing mold compound packaged in said plastic film comprises providing an abrasive material, said plastic film isolating said abrasive material from said plunger and said receptacle.