TW550162B - Apparatus and method of correcting bow in a honeycomb extrudate - Google Patents
Apparatus and method of correcting bow in a honeycomb extrudate Download PDFInfo
- Publication number
- TW550162B TW550162B TW091122592A TW91122592A TW550162B TW 550162 B TW550162 B TW 550162B TW 091122592 A TW091122592 A TW 091122592A TW 91122592 A TW91122592 A TW 91122592A TW 550162 B TW550162 B TW 550162B
- Authority
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- Prior art keywords
- extrusion
- honeycomb
- aperture
- die
- scope
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/26—Extrusion dies
- B28B3/269—For multi-channeled structures, e.g. honeycomb structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/26—Extrusion dies
- B28B3/2672—Means for adjusting the flow inside the die, e.g. using choke means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/11—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/131—Curved articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/255—Flow control means, e.g. valves
- B29C48/2556—Flow control means, e.g. valves provided in or in the proximity of dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/60—Multitubular or multicompartmented articles, e.g. honeycomb
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
)期62 五、發明說明(j) 發明背景.· 本發明係闕於接μ θ + 構之裝置,及更特別地關於克改服:尺制:精確性擠製蜂巢體結 製物流體以及燒結各別::,體基貝通常藉由切割蜂巢體播 長之生坏或煆燒擠製物 θ切割乾燥數米長或更 :媒塗覆以及適當金屬外出。為了符合後續 條切割出物件及長條具有 ^ ’罐之客戶要求,由長 製造直的流體擠製材料為相^ =平行為非常重要。 下觀察到擠製物至少為_些2虽困難的;在大部份情況 擠製模。該彎曲能夠由於原二’於材料不均勻流過 更普遍是由於通過擠f模面x =均勻〜動特性所致,但是 非常小心製造擠製模,、由於:勻流動阻力所致。甚至於 流量細缝不對準,以及不均勺:5之器具磨損’供料洞孔與 導致不均勻機器加工通常產生至少二彎 其在製造過程中形成於大部份蜂巢體擠製模 M ^問題之方式已揭示於美國第6G 399〇8 此,”匕3使用弓曲偏移器,該偏移器包含兩個孔#板 ^同作為改變擠製物到達擠製模之流動。每-孔徑板為漸 其由一邊至另外一邊之厚度為不同的,以及每—孔捏 ^包含孔徑穿過其厚度而對準於平行擠製中心軸之方向。 :—孔徑板可獨立地對著兩個擠製模以及另外一個孔徑板 =著擠製中心軸轉動。相對每一擠製模轉動漸變板藉由増 σ或減小通過彎曲偏移器最長及最短孔徑組間之總孔經長
第5頁 550162 五、發明說明(2) 度差異將改變彎曲改正量。 將該裝置***擠製模前之最終效果在於到 供料速率及壓力與在該部份後面彎曲: 的速c漸變器方向跨越彎 對於擠製模之適當對準,由偏移器產生之流動二偏= 之長條具有較預先存“動梯度平均,而使得擠製 然而該方式只是理論的,在實際上仍麸 包含阻塞以及磨損孔徑處理需要高的維護費用 使擠製物產生流動阻力,以及在擠製蜂巢體、籌ς。題 用設計複雜亦成為—項問題。 自於先别技術褒置費 發明大要: 本發明將藉由使用改良設計 巢體擠製物之彎曲門0貞兮^ /曲改良I置而克服蜂 ,M及亚不而要改變彎曲偏移器。 在弟一項中,本發明包含蜂巢體結 其共同地包含任何適當設計之蜂巢體擠^置, 以及可控制方式地改正可擠製材 /置模精確 包含多個供料洞孔之入口面人巢體擠衣枳具有 排出開孔為傳統方式構1 ά ^ 1出開孔之離開面。 巧寻、允万式構邊以由塑性材料流動產生蜂巢體構 550162 五 、發明說明(3) — 造之擠赞仏 過擠製模。…、沿著平行於擠製方向之擠製中心軸流動通 器包含ί於流體上游以及相鄰於擠製模入口面之彎曲偏移 軸方=具有穿過其厚度孔徑之底座,其對準於平行於擠製 可控制’?丨从及滑移板可移動地按裝至底座。滑移板相對於 卫* L技直徑之底座板移動0 相對徑將改變彎曲改正程度,同時改變滑移板 開偏移癸:果波置之位置將使彎曲方向改變,使得跨越離 方向以2 ΐ以及進入擠製模供料流體面流動速度梯度將對 π以及大小能夠加以控制。 耵 構體ί ί:另外一項包含由塑性粉末原料擠製為蜂巢體結 擠製路徑導,。丨ί ΐ該方法’錢原才斗之供應流體首先沿著 裝置具有於橫越供料流體之裝置中孔徑。偏移 橫越偏改變之流動阻力,因而使得通過 特性。該:Γ懕:: 生流動速度或壓力降梯度之 供料流體结果為形成通過偏移器裳置之跨越 體導引進入以2ΐϊ 具有流動速度梯度之供料流 乂及通過蜂巢體擠製模。 優先貫施例詳細說明: 及莖本t明偏移器裝置示意性地顯示於第一圖(頂# ϋη 座在兩個附圖中偏移器裝置10包含底
柄〗二 可移動地裝置於底座12。為了遠U 板1 4移動底座丨2奘罢 ^ j建到滑移 ± .ttl 8 〇 ^ 〇 A'f ^ ^ '^1 ^ ^ ^ ^ 4 螺栓20將滑移板14連接至底座12,以及針節
550162 五、發明說明(4) 導引其移動。塑性原料或擠製物流過底座丨2中孔徑。孔徑 24具有可由滑移板14控制之不同直徑,該滑移板以圖1箭頭 所示方向相對底座1 2移動。所顯示設計中彎曲改正彈性释 度由孔徑2 4表示。決定於孔徑之直徑,偏移器裝置產生流 動阻力,該阻力隨著長度而變化,其顯現出供料流體改正變 曲程度之特徵。 滑移板1 4能夠依據擠製物中所量測出彎曲而按裝於不 同的設定點。通常擠製物中彎曲程度係量測其中心至端部 。在圖1中,滑移板14對準於設定點22e,其提供中等程度彎 曲改正。ό又疋點2 2 a提供最小改正位置。同時,設定點2 2 h 提供最大改正位置。 第三圖A及B為包含目前優先形式偏移器裝置之擠製裝 置的示意性側視圖。這些圖式主要在於顯示出塑性原料流 體之流速能夠藉由加入本發明偏移器裝置而加以調整。 在第三圖A中,左側彎曲顯示於不具彎曲改正裝置之擠 製裝置中。塑性原料1〇〇以箭頭4〇方向流入擠製模之模供 料洞孔30a以及由模排出細縫3〇b擠製出。所產生之擠製物 110朝著左邊彎曲,因為原料1〇〇在模3〇右邊接近模端部u 处在以較快速率流動而快於模3〇左邊之模端部34情況。在 J :,彎曲問題藉由加入偏移器裝置i 〇於擠製模3〇上游 處,由施加力量於原料丨00以流動滑移板14四週以及依循 引員4 2軚示之扭曲路徑使得滑移板1 4位於相鄰模端部μ 2使該處流動速率緩慢而加以改善。 於模端部為重要的,該模端部具有較為快速之流動速率㈠
550162 五 一、發明說明(5) 例如叙如右邊發生彎曲使得相鄰模端部3 2處擠製物較 速地流動,而後滑移板H將放置相鄰於獅之㈣部^快 放置於擠製裝置中,其中滑移板14相鄰 彎曲相反方向之模端部處使得本發明所顯 不4曲方向由滑移板位置所決定。 可碉:所甘顯不偏移器裝置在放置於偏移器裝置中之前為 程Ϊ對不’同織在曲本改發不明另/ 一個實施例中亦能約在製造過 本發S 3 改程度加以調整而不會中斷製造。 基質中^ Ϊ提供擠製裝置優點包含:(1 )減小擠製蜂巢體 製相匹配;膨脹;(2)與薄的以及超薄蜂巢體基質之擠 費用;以及(5) U ΐ ί傳統模中選擇性之流動;(4)減小維護 V D )減小擠製壓力。
550162 圖式簡單說明 附圖簡單說明: 第一圖為依據本發明所提供偏移器裝置組件之示意性 頂視圖。 第二圖為通過圖1頂視圖斷面A - A之示意性側視圖;及 第三圖A及第三圖B為不具擠製物彎曲改正以及加入如 圖1及2所示偏移器裝置具有彎曲改正之擠製裝置示意圖。 附圖元件數字符號說明:
偏移器裝置1 0 ;底座1 2 ;滑移板1 4 ;延伸細縫1 6 ; 細縫18;螺栓20;針銷21;設定點22a,e,h;孔徑24; 擠製模30;供料洞孔30a;細縫30b;模端部32, 34;箭頭 40 ;塑性原料100 ;擠製物110。
第10頁
Claims (1)
- 550162 六、申請專利範圍 1 ·—種擠製蜂巢體結構之裝置,其包含結合·· 蜂巢體擠製模,其具有包含多個供料洞孔之入口面以 f包含排出開孔之離開面,排出開孔構造將使由塑性材料 w動產生蜂巢體擠製物,該流動沿著擠製中心軸通過制 模,以及 衣 b)彎曲偏移器裝置位於相鄰於擠製模入口面,偏移器 置包含: 双 1 )底座板,其包含孔徑對準於平行於擠製軸之方向,經 孔徑塑性材料傳送至擠製模,孔徑具有不同直徑;以及 1 1 )滑移板可移動地按裝於底座板。 2夕Γ ί 5請專利範圍第1項之裝置,其中底座更進一步包含 二固设定點,其相當於滑移板能夠移動之位置,該位置由所 而要彎曲改正程度決定。 3:=申請專利範圍第2項之裝置其中放置偏移器裝置使 二:f Ϊ在相對於流出擠製模之蜂巢體擠製物相反方向以 控制彎曲方向。 4·=由擠製物材料形成蜂巢體結構之方法,該方法包含: a)提供塑性原料擠製物; 偏2 ” Ϊ製物供料流體沿著擠製路徑通過包含滑移板之 以及ί f,该滑移板包含孔徑對準平行於擠製軸之方向, 有不:ή! I可移動裝置於底座板,偏移器裝置跨越長度具 之梯^ ·、/;’L動阻力使跨越供應流體產生流動速度或壓力降 )‘引〃有附加流動速度或壓力降梯度之供料流體通過第11頁 550162 六、申請專利範圍 蜂巢體擠製模。 5 ·依據申請專利範圍第4項之方法,其中孔徑為不同直徑, 以及其中跨越偏移器裝置之不同流動阻力係由於孔徑變化 所導致。第12頁
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/967,110 US6663378B2 (en) | 2001-09-27 | 2001-09-27 | Apparatus for correcting bow in a honeycomb extrudate |
Publications (1)
Publication Number | Publication Date |
---|---|
TW550162B true TW550162B (en) | 2003-09-01 |
Family
ID=25512313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW091122592A TW550162B (en) | 2001-09-27 | 2002-09-27 | Apparatus and method of correcting bow in a honeycomb extrudate |
Country Status (7)
Country | Link |
---|---|
US (1) | US6663378B2 (zh) |
EP (1) | EP1429901B1 (zh) |
JP (1) | JP4202917B2 (zh) |
CN (1) | CN1274482C (zh) |
TW (1) | TW550162B (zh) |
WO (1) | WO2003026863A1 (zh) |
ZA (1) | ZA200402049B (zh) |
Families Citing this family (17)
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US20040164464A1 (en) * | 2003-02-21 | 2004-08-26 | Lubberts Robert B. | Device and method of correcting extrudate bow |
US6991448B2 (en) * | 2003-04-01 | 2006-01-31 | Corning Incorporated | Apparatus for extruding honeycomb bodies |
WO2006062851A1 (en) * | 2004-12-09 | 2006-06-15 | Corning Incorporated | Making honeycomb extrusion dies |
GB2470937B (en) * | 2009-06-10 | 2014-09-24 | Cadbury Uk Ltd | Extrusion die head |
TWI449617B (zh) * | 2010-08-24 | 2014-08-21 | Briview Corp | 模具結構及模具系統 |
CN103097095A (zh) * | 2010-09-17 | 2013-05-08 | 住友化学株式会社 | 挤压成形装置及使用它的成形体的制造方法 |
WO2013032831A1 (en) * | 2011-08-26 | 2013-03-07 | Dow Global Technologies Llc | Improved process for preparing ceramic bodies |
US10632662B2 (en) | 2013-10-23 | 2020-04-28 | Corning Incorporated | Device and method of correcting extrudate bow |
US9393716B2 (en) * | 2013-10-23 | 2016-07-19 | Corning Incorporated | Device and method of correcting extrudate bow |
JP2017536549A (ja) | 2014-11-25 | 2017-12-07 | コーニング インコーポレイテッド | ハニカム体製造のための押出物インライン検査およびフィードバック制御の方法 |
MX2018006602A (es) | 2015-11-30 | 2019-06-06 | Corning Inc | Portador para cuerpo de panal de abejas y método. |
EP3468758B1 (en) | 2016-06-08 | 2021-02-17 | Corning Incorporated | Method and system of laser machining wet cellular ceramic extrudate for honeycomb body manufacture |
JP6665840B2 (ja) | 2017-08-21 | 2020-03-13 | 横浜ゴム株式会社 | ゴム押出装置およびゴム押出物の製造方法 |
US11571832B2 (en) | 2017-10-05 | 2023-02-07 | Corning Incorporated | Kneading elements for extrusion apparatus and methods of manufacturing a honeycomb body |
WO2019070797A1 (en) | 2017-10-05 | 2019-04-11 | Corning Incorporated | SCREW ELEMENTS FOR EXTRUSION APPARATUS AND METHODS OF MANUFACTURING HONEYCOMB BODY |
US12036698B2 (en) | 2019-03-18 | 2024-07-16 | Corning Incorporated | System and method for controlling flow distribution of extrudate source material for fabricating a honeycomb extrudate |
US11115866B2 (en) | 2019-07-31 | 2021-09-07 | Corning Research & Development Corporation | Coordination of shared spectrum distribution to remote units in distributed radio communications systems |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US4364888A (en) * | 1981-05-04 | 1982-12-21 | Corning Glass Works | Method and apparatus for extruding a honeycomb structure |
US4468365A (en) | 1982-08-19 | 1984-08-28 | Corning Glass Works | Extrusion dies for thin wall substrates |
JPH0541847Y2 (zh) | 1987-01-13 | 1993-10-22 | ||
US4915612A (en) | 1989-01-26 | 1990-04-10 | Corning Incorporated | Extrusion die assembly for forming honeycomb structures having thickened outer skin |
US5219509A (en) * | 1990-11-30 | 1993-06-15 | Corning Incorporated | Method for forming a uniform skin on a cellular substrate |
JPH085111B2 (ja) | 1992-11-26 | 1996-01-24 | 日本碍子株式会社 | ハニカム構造体の製造装置 |
US6039908A (en) | 1996-12-04 | 2000-03-21 | Corning Incorporated | Method for honeycomb extrusion using a corrected flow gradient |
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2001
- 2001-09-27 US US09/967,110 patent/US6663378B2/en not_active Expired - Fee Related
-
2002
- 2002-07-15 JP JP2003530481A patent/JP4202917B2/ja not_active Expired - Fee Related
- 2002-07-15 WO PCT/US2002/022537 patent/WO2003026863A1/en active Application Filing
- 2002-07-15 EP EP02748171A patent/EP1429901B1/en not_active Expired - Fee Related
- 2002-07-15 CN CNB028188640A patent/CN1274482C/zh not_active Expired - Lifetime
- 2002-09-27 TW TW091122592A patent/TW550162B/zh not_active IP Right Cessation
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2004
- 2004-03-15 ZA ZA200402049A patent/ZA200402049B/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN1558820A (zh) | 2004-12-29 |
EP1429901A1 (en) | 2004-06-23 |
US6663378B2 (en) | 2003-12-16 |
JP2005503280A (ja) | 2005-02-03 |
ZA200402049B (en) | 2005-05-27 |
US20030057592A1 (en) | 2003-03-27 |
CN1274482C (zh) | 2006-09-13 |
EP1429901A4 (en) | 2009-08-26 |
JP4202917B2 (ja) | 2008-12-24 |
WO2003026863A1 (en) | 2003-04-03 |
EP1429901B1 (en) | 2011-05-18 |
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