Method of combining metal and ceramic inserts into stereolithogr

Details Method of combining metal and ceramic inserts into stereolithogr Method of combining metal and ceramic inserts into stereolithogr

1996-03-01

1998-01-06

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Stereolithographic shaping from liquid precursor

264308, 36446827, B29C 3508, B29C 4120

Patent

active

057051178

ABSTRACT:
A stereolithography process for developing a prototype part in which inserts of a non-photopolymer material are included within the resulting part so as to develop a functioning prototype part. In order to allow the inserts to be placed within the developing prototype part, a series of STL files are defined for forming the prototype part in individual sections. A non-photopolymer insert is manually positioned on one section of the developing part each time a section is formed. In order to align one section to a subsequent section, alignment structures are developed by the STL files. In order to prevent the STL files from developing supporting structures in the cavities intended for the inserts, a supporting structure file is defined for a parent design, and then later combined with the STL files.

REFERENCES:
patent: 5173220 (1992-12-01), Reiff et al.
patent: 5264061 (1993-11-01), Juskey et al.
Eisenberg, Bart, "The Top 10 Questions to ask about Rapid Prototying," PD&D, pp. 23-24 Feb., 1995.
Lavitt, Michael O., "Personal Modeler Creates 3-D Parts From CAD Designs," Aviation Week & Space Technology, pp. 66-67 Jul. 17, 1995.
Jacobs, Paul, "Stereolithography: From Art to Part," Cutting Tool Engr., 45:3 Apr. '93.
Worthy, Ward, "Complex parts made in photochemical process," C&EN, Apr., 1989.

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