Method for producing a three-dimensional object

Details Method for producing a three-dimensional object Method for producing a three-dimensional object

1997-10-22

1999-08-03

Sells, James

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1562728, 156290, 1563071, 264401, 264125, 264308, 264DIG59, B29C 6700

Patent

active

059320591

ABSTRACT:
In a method for producing a three-dimensional object wherein the object is generated by successive solidification of individual layers of the object from a liquid or powdery material by action of electromagnetic radiation, the problem arises that the object is either distorted due to shrinkage of the material or that the quality of the surface of the object is poor when using a corresponding shrinkage reducing construction. For the solution of this problem, each layer is separated in an inner core region (2) and an outer shell region (3) and the action of the radiation is controlled in the core region and in the shell region for generating different properties of both regions.

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SLA-250, User Ref. Manual, Software Release 3.40, 3D Systems Inc.--Apr., 1989.
Kunststof en Rubber, Bd. 45, Nr. 2, pp. 11 to 18.
Partial translation of DE 42 33 812.
Partial translation of JP-2-95830.

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