公开(公告)号：DE60220529T2

公开(公告)日：2008-02-07

申请号：DE60220529

申请日：2002-09-19

Applicant: 3D SYSTEMS INC

Inventor： VARNON DAVID MONTGOMERY ,  FONG JON JODY ,  BISHOP RAYMOND J

IPC: B05D3/00 ,  B29C67/00

公开(公告)号：DE602005009638D1

公开(公告)日：2008-10-23

申请号：DE602005009638

申请日：2005-12-02

Applicant: 3D SYSTEMS INC

Inventor： CHUNG TAE MARK ,  BISHOP RAYMOND J ,  GEVING BRADLEY DAVID ,  FONG JON JODY ,  DUNNE PATRICK

IPC: B22F3/105 ,  B22F3/11 ,  B29C35/16 ,  B29C67/00

Abstract: The invention is a method for controllably cooling at least a portion of a part-cake from a laser sintering system to minimize cool down time, maximize throughput, and minimize thermal gradients within the part-cake. The method generally comprises forming one or more thermal transfer channels within the part-cake. The thermal transfer channels can include ducts and cooling fins in the part-cake surrounding the formed part. The method can further comprise removing unfused powder from the ducts and introducing cooling media into the ducts. The invention also includes a part-cake having thermal transfer channels formed therein and a laser sintering apparatus comprising a part-cake containing cylinder having permanent fittings therein for receiving terminal portions of thermal transfer channels formed in the part-cake.

公开(公告)号：DE60220529D1

公开(公告)日：2007-07-19

申请号：DE60220529

申请日：2002-09-19

Applicant: 3D SYSTEMS INC

Inventor： VARNON DAVID MONTGOMERY ,  FONG JON JODY ,  BISHOP RAYMOND J

IPC: B05D3/00 ,  B29C67/00

公开(公告)号：WO02053354A3

公开(公告)日：2003-03-06

申请号：PCT/US0200631

申请日：2002-01-04

Applicant: 3D SYSTEMS INC

Inventor： FONG JON JODY

IPC: B29C67/00

CPC classification number: B29C64/112 ,  B33Y10/00 ,  B33Y40/00

Abstract: An improved layer normalizing device (10) for use in dimensionally normalizing layers of a three-dimensional model produced by a selective deposition modeling technique. The layer normalizing device employs a wicking member (12) having a body (14) and a normalizing surface (16) for dimensionally normalizing the object while the object is being built layer by layer. The body includes a plurality of interstices (18), and when the wicking member is sufficient heated to cause the build material to become flowable, excess material is drawn by capillary action from the layer of the object being normalized and into the wicking member. A refreshing means is provided to remove the excess build material from the interstices of the wicking member and allow the wicking member to draw additional build material by capillary action.

Abstract translation: 一种用于在通过选择性沉积建模技术产生的三维模型的尺度尺度化层中的改进的层归一化装置（10）。 层状归一化装置采用具有主体（14）和标准化表面（16）的芯吸构件（12），用于在物体逐层建造的同时对物体进行尺寸归一化。 主体包括多个间隙（18），并且当芯吸部件被充分加热以使构建材料变得可流动时，通过毛细管作用从被归一化的物体的层抽出多余的材料并进入芯吸部件。 提供了一种刷新装置，用于从芯吸构件的间隙去除多余的构建材料，并且允许芯吸构件通过毛细管作用吸取额外的构建材料。