JP6864056B1 - 積層造形装置 - Google Patents
積層造形装置 Download PDFInfo
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- 239000011261 inert gas Substances 0.000 claims abstract description 94
- 238000001816 cooling Methods 0.000 claims abstract description 73
- 239000000112 cooling gas Substances 0.000 claims abstract description 62
- 239000000463 material Substances 0.000 claims abstract description 45
- 238000012545 processing Methods 0.000 claims abstract description 43
- 238000005507 spraying Methods 0.000 claims abstract description 25
- 238000000465 moulding Methods 0.000 claims abstract description 22
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 238000010894 electron beam technology Methods 0.000 claims abstract description 6
- 230000001678 irradiating effect Effects 0.000 claims abstract description 5
- 238000003754 machining Methods 0.000 claims description 21
- 229910000734 martensite Inorganic materials 0.000 claims description 13
- 238000007664 blowing Methods 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 12
- 230000009466 transformation Effects 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 abstract description 2
- 238000007711 solidification Methods 0.000 abstract description 2
- 230000008023 solidification Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 104
- 239000003517 fume Substances 0.000 description 18
- 239000002344 surface layer Substances 0.000 description 18
- 238000005520 cutting process Methods 0.000 description 14
- 230000007246 mechanism Effects 0.000 description 13
- 239000000843 powder Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 11
- 238000005192 partition Methods 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000003028 elevating effect Effects 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000012718 dry electrostatic precipitator Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002365 multiple layer Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- B33Y10/00—Processes of additive manufacturing
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- B22F3/10—Sintering only
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/50—Treatment of workpieces or articles during build-up, e.g. treatments applied to fused layers during build-up
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- B22F12/10—Auxiliary heating means
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Abstract
Description
6 加工装置
7 冷却装置
61 加工ヘッド
65 加工ヘッド駆動装置
71 冷却ガス吹付装置
83 材料層
85 固化層
714 冷風口
L レーザ光
Claims (8)
- 所望の三次元造形物を所定高さで分割してなる複数の分割層毎に形成された材料層にレーザ光または電子ビームを照射して固化層を形成する照射装置と、
前記固化層に対して加工を行う工具を把持する加工ヘッドと、前記加工ヘッドを少なくとも水平方向に移動させる加工ヘッド駆動装置と、を含む加工装置と、
前記加工ヘッドに設けられ、前記固化層が積層してなる固化体の少なくとも一部を所定の冷却温度に冷却する冷却装置と、を備え、
前記冷却装置は、
供給口、温風口、前記冷却温度以下の不活性ガスである冷却ガスを排出する冷風口が設けられる、内部を流通する前記不活性ガスを前記冷却ガスと加熱された前記不活性ガスである加熱ガスとに分離する渦流管を有し、前記冷却ガスを前記固化体の前記少なくとも一部に吹き付ける冷却ガス吹付装置を含み、
前記冷却ガス吹付装置に前記不活性ガスを供給する不活性ガス供給源をさらに備え、
前記供給口は、前記温風口と前記冷風口の間に設けられ、前記不活性ガス供給源と接続され、
前記温風口は、前記渦流管の一端部に設けられ、前記加熱ガスを排出し、
前記冷風口は、前記渦流管の他端部に設けられ、前記冷却ガスを排出する、積層造形装置。 - 前記冷却装置は、前記冷却ガス吹付装置を鉛直方向に移動させる第1の昇降装置をさらに含む、請求項1に記載の積層造形装置。
- 前記冷却装置は、前記冷却ガスが流通する管路であり、前記冷風口と接続される第1の開口と、前記固化体の前記少なくとも一部と対面する第2の開口と、を有するダクトをさらに含む、請求項1または請求項2に記載の積層造形装置。
- 前記第2の開口は、水平方向に沿って延びる、請求項3に記載の積層造形装置。
- 前記第2の開口は、前記冷風口よりも面積が大きい、請求項3または請求項4に記載の積層造形装置。
- 前記加工ヘッドに設けられ、前記固化体の温度を測定する温度センサを含む温度測定ユニットをさらに備える、請求項1から請求項5のいずれか1項に記載の積層造形装置。
- 前記温度センサは、前記固化体と接触して温度を測定する接触式温度センサであり、
前記温度測定ユニットは、前記温度センサを鉛直方向に移動させる第2の昇降装置をさらに含む、請求項6に記載の積層造形装置。 - 前記冷却温度は、前記固化層のマルテンサイト変態開始温度以下である、請求項1から請求項7のいずれか1項に記載の積層造形装置。
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JP2019192384A JP6864056B1 (ja) | 2019-10-23 | 2019-10-23 | 積層造形装置 |
CN202010945677.8A CN112692280B (zh) | 2019-10-23 | 2020-09-10 | 层叠造型装置 |
TW109131918A TWI746167B (zh) | 2019-10-23 | 2020-09-16 | 層疊造型裝置 |
US17/023,373 US11731200B2 (en) | 2019-10-23 | 2020-09-17 | Cooling device with processing head of a lamination molding apparatus |
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JP2019192384A JP6864056B1 (ja) | 2019-10-23 | 2019-10-23 | 積層造形装置 |
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JP (1) | JP6864056B1 (ja) |
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CN113510369A (zh) * | 2021-08-10 | 2021-10-19 | 上海工程技术大学 | 一种基于温度控制的激光减材加工装置及方法 |
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