JP2017214627A - 積層造形装置および積層造形装置の材料粉体の再利用方法 - Google Patents
積層造形装置および積層造形装置の材料粉体の再利用方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Abstract
Description
2 チャンバ
3 材料供給装置
4 ベース台
5 造形テーブル
11 リコータヘッド
11fb,11rb ブレード
13 レーザ光照射部
26 粉体保持壁
27a 下部の粉体排出部
27b 上部の粉体排出部
28a 下部のシュータガイド
28b 上部のシュータガイド
29 シュータ
30 材料回収用バケット
30d シャッタ
32 粉体保持空間
40a, 40b サイクロン方式のフィルタ
41 材料回収用搬送装置
41d シャッタ
41e タンク部
42 切換弁
43 不純物除去装置(ふるい装置)
43d ふるい用の網
44 吸引装置
45 切換弁
46 材料供給用バケット
46b シャッタ
47 材料乾燥装置
48 材料供給用搬送装置
48d シャッタ
48e タンク部
49 切換弁
50 切削装置
55 材料補充部
69 中間ダクト
72 メインダクト上部
82 メインダクト
90 手動清掃用ノズル
L レーザ光
R 造形領域
Claims (4)
- 所定濃度の不活性ガスで充満されるチャンバと、前記チャンバ内に配置されかつ上下方向に移動可能な造形テーブルと、前記造形テーブル上に未焼結の材料粉体を供給する材料供給装置と、前記造形テーブルを取り囲みかつ前記造形テーブル上に前記材料供給装置から供給される前記材料粉体を保持する粉体保持壁と、前記粉体保持壁の外に排出される余剰の前記材料粉体と不純物を一緒に収容する材料回収用バケットと、前記材料回収用バケットの中の前記不純物を含む前記材料粉体から前記不純物を除去する不純物除去装置と、を含んで前記不純物除去装置で前記不純物が取り除かれた前記材料粉体を前記材料供給装置に戻して再利用する積層造形装置であって、
前記材料回収用バケットから前記材料供給装置に戻される前記材料粉体を乾燥させる材料乾燥装置を含むことを特徴する積層造形装置。 - 前記材料回収用バケットから前記不純物除去装置に前記不純物を含んだ前記材料粉体を搬送する材料回収用搬送装置と、
前記不純物除去装置によって前記不純物が取り除かれた前記材料粉体を収容するとともに前記材料乾燥装置によって収容中の前記材料粉体を乾燥させる材料供給用バケットと、
前記材料供給用バケットから前記材料供給装置に乾燥した前記材料粉体を搬送する材料供給用搬送装置と、
を含むことを特徴とする前記請求項1に記載の積層造形装置。 - 前記材料回収用搬送装置または前記材料供給用搬送装置のいずれか一方またはそれらの両方が、吸引装置と、前記吸引装置で吸引した気体と固体を分離するサイクロン方式のフィルタと、前記気体と分離した前記固体が排出される前記フィルタの排出口を開閉するためのシャッタと、を含むことを特徴とする前記請求項2に記載の積層造形装置。
- 未焼結の材料粉体を用いて積層造形を行う際に、所定濃度の不活性ガスで充満されるチャンバの中で上下方向に移動する造形テーブルの上に前記材料粉体を供給し、前記造形テーブルを取り囲んで前記材料粉体を保持する粉体保持壁の外に排出される余剰の前記材料粉体と不純物を一緒に回収し、前記不純物を含む前記材料粉体から前記不純物を取り除き、前記不純物が取り除かれた前記材料粉体を前記造形テーブルの上に再び供給する積層造形装置の材料粉体の再利用方法において、
回収された前記材料粉体を前記造形テーブルの上に再び供給するまでの間に前記材料粉体を乾燥させることを特徴とする積層造形装置の材料粉体の再利用方法。
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