公开(公告)号：US09556072B2

公开(公告)日：2017-01-31

申请号：US13379894

申请日：2010-06-22

申请人： Johan ter Maat ,  Hans Wohlfromm ,  Martin Bloemacher ,  Arnd Thom ,  Andreas Kern

发明人： Johan ter Maat ,  Hans Wohlfromm ,  Martin Bloemacher ,  Arnd Thom ,  Andreas Kern

IPC分类号： B22F3/12 ,  C04B35/56 ,  B22F3/10 ,  C04B35/111 ,  C04B35/14 ,  C04B35/46 ,  C04B35/478 ,  C04B35/486 ,  C04B35/505 ,  C04B35/563 ,  C04B35/565 ,  C04B35/58 ,  C04B35/581 ,  C04B35/583 ,  C04B35/584 ,  C04B35/634 ,  C04B35/638

CPC分类号： C04B35/5626 ,  B22F3/1021 ,  B22F2998/00 ,  B22F2999/00 ,  C04B35/111 ,  C04B35/14 ,  C04B35/46 ,  C04B35/478 ,  C04B35/486 ,  C04B35/505 ,  C04B35/5607 ,  C04B35/5611 ,  C04B35/563 ,  C04B35/565 ,  C04B35/58014 ,  C04B35/581 ,  C04B35/583 ,  C04B35/584 ,  C04B35/63488 ,  C04B35/638 ,  C04B2235/6021 ,  C04B2235/6022 ,  C04B2235/6562 ,  C04B2235/6567 ,  C04B2235/6582 ,  C04B2235/6586 ,  C04B2235/661 ,  B22F3/225 ,  B22F3/20 ,  B22F3/02 ,  B22F2201/03 ,  B22F2201/01

摘要： The invention relates to a process for the continuous thermal removal of binder from a metallic and/or ceramic shaped body which has been produced by injection molding, extrusion or pressing using a thermoplastic composition and comprises at least one polyoxymethylene homopolymer or copolymer as binder in a binder removal oven, which comprises the steps (a) removal of binder from the shaped body in a binder removal oven at a temperature which is from 5 to 20° C. below, preferably from 10 to 15° C. below, the temperature of a second temperature stage over a period of from 4 to 12 hours in a first temperature stage in an oxygen-comprising atmosphere, (b) removal of binder from the shaped body at a temperature in the range >160 to 200° C. over a period of from 4 to 12 hours in an oxygen-comprising atmosphere in a second temperature stage and (c) removal of binder from the shaped body at a temperature in the range from 200 to 600° C. over a period of from 2 to 8 hours in a third temperature stage in an oxygen-comprising or neutral or reducing atmosphere, with the shaped bodies being transported through the binder removal oven during process steps (a) and (b).

摘要翻译： 本发明涉及一种从金属和/或陶瓷成型体连续热去除粘合剂的方法，其通过使用热塑性组合物的注射成型，挤出或压制制备，并且包含至少一种聚甲醛均聚物或共聚物作为粘合剂 粘合剂去除炉，其包括以下步骤：（a）在粘合剂去除烘箱中，在低于，优选10至15℃的温度下，在低于，优选10至15℃的温度下，从成形体中去除粘合剂，温度为 在含氧气氛中的第一温度阶段中在4至12小时的时间段内的第二温度段，（b）在> 160至200℃的温度范围内从成形体上除去粘合剂， 在第二温度阶段的含氧气氛中的时间为4至12小时，和（c）在200至600℃的温度范围内从2至8的时间内从成形体中除去粘合剂 小时在第三脾气 在含氧或中性或还原性气氛中的成型阶段，其中成型体在工艺步骤（a）和（b）期间被输送通过粘合剂去除炉。

公开(公告)号：US09233879B2

公开(公告)日：2016-01-12

申请号：US13379894

申请日：2010-06-22

申请人： Johan ter Maat ,  Hans Wohlfromm ,  Martin Bloemacher ,  Arnd Thom ,  Andreas Kern

发明人： Johan ter Maat ,  Hans Wohlfromm ,  Martin Bloemacher ,  Arnd Thom ,  Andreas Kern

IPC分类号： B22F3/12 ,  C04B35/56 ,  B22F3/10 ,  C04B35/111 ,  C04B35/14 ,  C04B35/46 ,  C04B35/478 ,  C04B35/486 ,  C04B35/505 ,  C04B35/563 ,  C04B35/565 ,  C04B35/58 ,  C04B35/581 ,  C04B35/583 ,  C04B35/584 ,  C04B35/634 ,  C04B35/638

摘要： The invention relates to a process for the continuous thermal removal of binder from a metallic and/or ceramic shaped body which has been produced by injection molding, extrusion or pressing using a thermoplastic composition and comprises at least one polyoxymethylene homopolymer or copolymer as binder in a binder removal oven, which comprises the steps (a) removal of binder from the shaped body in a binder removal oven at a temperature which is from 5 to 20° C. below, preferably from 10 to 15° C. below, the temperature of a second temperature stage over a period of from 4 to 12 hours in a first temperature stage in an oxygen-comprising atmosphere, (b) removal of binder from the shaped body at a temperature in the range >160 to 200° C. over a period of from 4 to 12 hours in an oxygen-comprising atmosphere in a second temperature stage and (c) removal of binder from the shaped body at a temperature in the range from 200 to 600° C. over a period of from 2 to 8 hours in a third temperature stage in an oxygen-comprising or neutral or reducing atmosphere, with the shaped bodies being transported through the binder removal oven during process steps (a) and (b).

公开(公告)号：US20120104665A1

公开(公告)日：2012-05-03

申请号：US13379894

申请日：2010-06-22

申请人： Johan ter Maat ,  Hans Wohlfromm ,  Martin Bloemacher ,  Arnd Thom ,  Andreas Kern

发明人： Johan ter Maat ,  Hans Wohlfromm ,  Martin Bloemacher ,  Arnd Thom ,  Andreas Kern

IPC分类号： C04B35/64 ,  B29C71/00

CPC分类号： C04B35/5626 ,  B22F3/1021 ,  B22F2998/00 ,  B22F2999/00 ,  C04B35/111 ,  C04B35/14 ,  C04B35/46 ,  C04B35/478 ,  C04B35/486 ,  C04B35/505 ,  C04B35/5607 ,  C04B35/5611 ,  C04B35/563 ,  C04B35/565 ,  C04B35/58014 ,  C04B35/581 ,  C04B35/583 ,  C04B35/584 ,  C04B35/63488 ,  C04B35/638 ,  C04B2235/6021 ,  C04B2235/6022 ,  C04B2235/6562 ,  C04B2235/6567 ,  C04B2235/6582 ,  C04B2235/6586 ,  C04B2235/661 ,  B22F3/225 ,  B22F3/20 ,  B22F3/02 ,  B22F2201/03 ,  B22F2201/01

摘要： The invention relates to a process for the continuous thermal removal of binder from a metallic and/or ceramic shaped body which has been produced by injection molding, extrusion or pressing using a thermoplastic composition and comprises at least one polyoxymethylene homopolymer or copolymer as binder in a binder removal oven, which comprises the steps (a) removal of binder from the shaped body in a binder removal oven at a temperature which is from 5 to 20° C. below, preferably from 10 to 15° C. below, the temperature of a second temperature stage over a period of from 4 to 12 hours in a first temperature stage in an oxygen-comprising atmosphere, (b) removal of binder from the shaped body at a temperature in the range>160 to 200° C. over a period of from 4 to 12 hours in an oxygen-comprising atmosphere in a second temperature stage and (c) removal of binder from the shaped body at a temperature in the range from 200 to 600° C. over a period of from 2 to 8 hours in a third temperature stage in an oxygen-comprising or neutral or reducing atmosphere, with the shaped bodies being transported through the binder removal oven during process steps (a) and (b).

摘要翻译： 本发明涉及一种从金属和/或陶瓷成型体连续热去除粘合剂的方法，其通过使用热塑性组合物的注射成型，挤出或压制制备，并且包含至少一种聚甲醛均聚物或共聚物作为粘合剂 粘合剂去除炉，其包括以下步骤：（a）在粘合剂去除烘箱中，在低于，优选10至15℃的温度下，在低于，优选10至15℃的温度下，从成形体中去除粘合剂，温度为 在含氧气氛中的第一温度阶段中在4至12小时的时间段内的第二温度段，（b）在> 160至200℃的温度范围内从成形体上除去粘合剂， 在第二温度阶段的含氧气氛中的时间为4至12小时，和（c）在200至600℃的温度范围内从2至8的时间内从成形体中除去粘合剂 小时在第三个温和 在含氧或中性或还原性气氛中，成型体在工艺步骤（a）和（b）中被输送通过粘合剂去除烘箱。

公开(公告)号：US20120034084A1

公开(公告)日：2012-02-09

申请号：US13263135

申请日：2010-04-01

申请人： Andreas Kern ,  Martin Bloemacher ,  Franz-Dieter Martischius ,  Markus Steffen ,  Johan Ter Maat ,  Hans Wohlfromm

发明人： Andreas Kern ,  Martin Bloemacher ,  Franz-Dieter Martischius ,  Markus Steffen ,  Johan Ter Maat ,  Hans Wohlfromm

IPC分类号： F01D5/02 ,  B22F3/12 ,  B22F5/10

CPC分类号： B22F5/009 ,  B22F3/225 ,  B22F2001/0066 ,  F01D5/048 ,  F02C6/12 ,  F05D2230/211 ,  F05D2230/23

摘要： The invention relates to a process for producing a turbine wheel for an exhaust gas turbocharger by metal powder injection molding, which comprises the following steps: (a) provision of a feedstock comprising a metal powder and a binder, (b) provision of a tool which comprises a negative mold of the turbine wheel to be produced for metal powder injection molding of the turbine wheel, (c) introduction of a rotationally symmetrical core comprising a binder into the negative mold of the tool provided in process step (b) and alignment of the core so that it is aligned symmetrically about the axis of rotation of the turbine wheel to be produced, (d) production of a green body by metal powder injection molding of the feedstock provided in process step (a) around the core, (e) carrying out of a binder removal step to remove the binder from the green body in order to obtain a molding in the shape of the turbine wheel, and (f) sintering of the molding.

摘要翻译： 本发明涉及一种用于通过金属粉末注射成型制造用于排气涡轮增压器的涡轮机叶轮的方法，其包括以下步骤：（a）提供包含金属粉末和粘合剂的原料，（b）提供工具 其包括用于涡轮机叶轮的金属粉末注射成型的涡轮机叶轮的负模具，（c）将包括粘合剂的旋转对称芯体引入在工艺步骤（b）中提供的工具的负模具中并且对准 的核心，使得其围绕要生产的涡轮机叶轮的旋转轴线对称地对准，（d）通过在工艺步骤（a）中提供的原料的金属粉末注射成型围绕芯部生产生坯体（ e）进行粘合剂去除步骤以从生坯中除去粘合剂，以获得涡轮机轮的形状的模制品，和（f）模制品的烧结。

公开(公告)号：US08235710B2

公开(公告)日：2012-08-07

申请号：US11917279

申请日：2006-06-07

申请人： Martin Bloemacher ,  Johan Herman Hendrik ter Matt ,  Hans Wohlfromm ,  Tsung-Chieh Cheng ,  Franz-Dieter Martischius ,  Arnd Thom

发明人： Martin Bloemacher ,  Johan Herman Hendrik ter Matt ,  Hans Wohlfromm ,  Tsung-Chieh Cheng ,  Franz-Dieter Martischius ,  Arnd Thom

IPC分类号： F27B15/10

CPC分类号： F27B9/022 ,  B22F3/003 ,  B22F3/1025 ,  B22F2998/00 ,  F27B9/20 ,  F27B9/3005 ,  B22F2201/02

摘要： The apparatus for the continuous catalytic removal of binder from metallic and/or ceramic shaped bodies produced by powder injection molding, which comprises a binder removal furnace through which the shaped bodies pass in a transport direction and are brought to a suitable process temperature, a feed facility for introduction of a process gas which is required for binder removal and comprises a reactant, at least one facility for the introduction of a protective gas into a reaction space of the binder removal furnace and a flare to burn the gaseous reaction products obtained in binder removal, wherein one or more devices which lead to a flow of the process gas directed transversely to the transport direction in the apparatus are present.

摘要翻译： 用于从通过粉末注射成型制造的金属和/或陶瓷成形体连续催化去除粘合剂的装置，其包括粘合剂去除炉，成形体通过该炉移动方向通过并达到适当的工艺温度;进料 用于引入粘合剂去除所需的工艺气体的设备，并且包括反应物，用于将保护气体引入粘合剂去除炉的反应空间中的至少一个设备和用于燃烧粘合剂中获得的气态反应产物的火炬 去除，其中存在导致工艺气体流动横向于装置中的输送方向的一个或多个装置。

公开(公告)号：US5009841A

公开(公告)日：1991-04-23

申请号：US508190

申请日：1990-04-12

申请人： Martin Bloemacher ,  Reinhold Schlegel ,  Dieter Weinand

发明人： Martin Bloemacher ,  Reinhold Schlegel ,  Dieter Weinand

IPC分类号： B22F3/10 ,  B22F3/22 ,  C22C33/02

CPC分类号： B22F3/225 ,  B22F3/1021 ,  B22F3/22 ,  C22C33/0235 ,  B22F2998/00 ,  B22F2999/00

摘要： A process for dewaxing injection molded metal pieces consisting of a metal/binder mixture, wherein a metal oxide is added to the metal/binder mixture.

摘要翻译： 一种用于将由金属/粘合剂混合物组成的注塑金属片脱蜡的方法，其中向金属/粘合剂混合物中加入金属氧化物。

公开(公告)号：US5362791A

公开(公告)日：1994-11-08

申请号：US723988

申请日：1991-07-01

申请人： Johan Ebenhoech ,  Dieter Weinand ,  Wolfgang Kochanek ,  Martin Bloemacher

发明人： Johan Ebenhoech ,  Dieter Weinand ,  Wolfgang Kochanek ,  Martin Bloemacher

IPC分类号： B22F3/02 ,  B22F1/00 ,  B22F3/10 ,  B22F3/22 ,  B22F5/12 ,  C08L23/00 ,  C08L25/00 ,  C08L29/00 ,  C08L31/00 ,  C08L33/00 ,  C08L33/04 ,  C08L33/06 ,  C08L59/00 ,  C08L71/00 ,  C08L71/02 ,  C08K3/08

CPC分类号： B22F1/0077 ,  B22F3/1025 ,  B22F3/22 ,  B22F3/225 ,  B22F3/227 ,  C08L59/00 ,  B22F2001/0066 ,  B22F2998/00 ,  B22F2999/00 ,  C08L23/00 ,  C08L25/00 ,  C08L29/00 ,  C08L31/00 ,  C08L33/00

摘要： Thermoplastic compositions useful for producing metallic moldings containA) 40-70% by volume of a sinterable pulverulent metal or of a pulverulent metal alloy or of a mixture thereof,B) 30-60% by volume of a mixture ofB1) 50-100% by weight of a polyoxymethylene homopolymer or copolymer andB2) 0-50% by weight of a polymer which is immiscible with B1) and can be thermally removed without leaving a residue, or a mixture of such polymers,as binder, andC) 0-5% by volume of a dispersant.

摘要翻译： 可用于生产金属模制品的热塑性组合物含有A）40-70体积％的可烧结粉末金属或粉末金属合金或其混合物，B）30-60体积％的B1）50-100 重量百分比的聚甲醛均聚物或共聚物和B2）0-50重量％的与B1不混溶的聚合物），并且可以热除去而不留下残留物，或这些聚合物的混合物作为粘合剂，和C） 0-5％（体积）的分散剂。