JP2009115015A5 - - Google Patents

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JP2009115015A5
JP2009115015A5 JP2007290380A JP2007290380A JP2009115015A5 JP 2009115015 A5 JP2009115015 A5 JP 2009115015A5 JP 2007290380 A JP2007290380 A JP 2007290380A JP 2007290380 A JP2007290380 A JP 2007290380A JP 2009115015 A5 JP2009115015 A5 JP 2009115015A5
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Prior art keywords
tubular shell
hermetic compressor
producing
shell
welding
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JP2007290380A
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Japanese (ja)
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JP4942616B2 (en
JP2009115015A (en
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Priority to JP2007290380A priority Critical patent/JP4942616B2/en
Priority claimed from JP2007290380A external-priority patent/JP4942616B2/en
Publication of JP2009115015A publication Critical patent/JP2009115015A/en
Publication of JP2009115015A5 publication Critical patent/JP2009115015A5/ja
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Claims (11)

筒状の管状シェルと、該管状シェルの両端をそれぞれ閉塞するアッパーシェルおよびボトムシェルと、前記管状シェルの内部に収納された圧縮機構および該圧縮機構を駆動する電動機と、を有する密閉型圧縮機における密閉型圧縮機用管状シェルの製管方法であって、
矩形状素材の両側縁を、該両側縁が当接された際にY字開先を形成するように加工する第1工程と、
前記Y字開先のV字部が、外周になるように略筒状に成型する第2工程と、
前記成型された略筒状体を金型内で押圧して縮径する第3工程と、
前記Y字開先のルート部をキーホール溶接する第4工程と、
前記Y字開先のV字部を肉盛溶接する第5工程と、
を有する密閉型圧縮機用管状シェルの製管方法。
A hermetic compressor having a tubular tubular shell, an upper shell and a bottom shell that respectively close both ends of the tubular shell, a compression mechanism housed in the tubular shell, and an electric motor that drives the compression mechanism A method for producing a tubular shell for a hermetic compressor in
A first step of processing both side edges of the rectangular material so as to form a Y-shaped groove when the both side edges are contacted;
A second step in which the V-shaped portion of the Y-shaped groove is formed into a substantially cylindrical shape so as to be an outer periphery;
A third step of pressing the molded substantially cylindrical body in a mold to reduce the diameter;
A fourth step of keyhole welding the root portion of the Y-shaped groove;
A fifth step of overlay welding the V-shaped portion of the Y-shaped groove ;
A method for producing a tubular shell for a hermetic compressor, comprising:
前記Y字開先のV字部の開き巾を8mm以下とし、前記Y字開先のルート部の長さを5mm以下とすることを特徴とする請求項1記載の密閉型圧縮機用管状シェルの製管方法。   2. The tubular shell for a hermetic compressor according to claim 1, wherein an opening width of the V-shaped portion of the Y-shaped groove is 8 mm or less, and a length of the root portion of the Y-shaped groove is 5 mm or less. Pipe making method. 前記第4工程で形成された裏ビードを除去する第6工程を有することを特徴とする請求項1又は2に記載の密閉型圧縮機用管状シェルの製管方法。 The method for producing a tubular shell for a hermetic compressor according to claim 1 or 2, further comprising a sixth step of removing the back bead formed in the fourth step . 前記第6工程における裏ビード除去の加工巾が、前記第5工程における肉盛溶接による肉盛り溶接巾以下であることを特徴とする請求項3に記載の密閉型圧縮機用管状シェルの製管方法。 4. The tubular shell for a hermetic compressor according to claim 3, wherein a processing width for removing the back bead in the sixth step is equal to or less than a build-up welding width by build-up welding in the fifth step. Method. 前記第4工程が、非消耗電極を使用するプラズマ溶接であることを特徴とする請求項1または2記載の密閉型圧縮機用管状シェルの製管方法。 The fourth step is, claim 1 or 2 pipe producing process of the tubular shell for hermetic compressor wherein a is a plasma welding using a non-consumable electrode. 前記第5工程が、MAG(Metal Active Gas)溶接であることを特徴とする請求項1乃至4の何れかに記載の密閉型圧縮機用管状シェルの製管方法。 5. The method for producing a tubular shell for a hermetic compressor according to any one of claims 1 to 4, wherein the fifth step is MAG (Metal Active Gas) welding . 前記第5工程における肉盛溶接の開始位置および終了位置を、それぞれ前記第4工程におけるキーホール溶接の終了位置および開始位置に略一致させることを特徴とする請求項1乃至6の何れかに記載の密閉型圧縮機用管状シェルの製管方法。 The start position and end position of build-up welding in the fifth step are substantially matched with the end position and start position of keyhole welding in the fourth step, respectively. For producing a tubular shell for a hermetic compressor. 前記第5工程で発生した溶接不良部を切除する工程を有することを特徴とする請求項1乃至7の何れかに記載の密閉型圧縮機用管状シェルの製管方法。 The method for producing a tubular shell for a hermetic compressor according to any one of claims 1 to 7, further comprising a step of cutting out a defective weld portion generated in the fifth step . 前記第5工程の後、エキスパンダによって拡管する工程を有することを特徴とする請求項1乃至8の何れかに記載の密閉型圧縮機用管状シェルの製管方法 9. The method for producing a tubular shell for a hermetic compressor according to claim 1, further comprising a step of expanding the tube with an expander after the fifth step . 筒状の管状シェルと、該管状シェルの両端をそれぞれ閉塞するアッパーシェルおよびボトムシェルと、前記管状シェルの内部に収納された圧縮機構および該圧縮機構を駆動する電動機と、を有する密閉型圧縮機であって、  A hermetic compressor having a tubular tubular shell, an upper shell and a bottom shell that respectively close both ends of the tubular shell, a compression mechanism housed in the tubular shell, and an electric motor that drives the compression mechanism Because
前記管状シェルが、請求項1乃至9の何れかに記載の密閉型圧縮機用管状シェルの製管方法によって製管されたものであることを特徴とする密閉型圧縮機。  A hermetic compressor, wherein the tubular shell is produced by the method for producing a tubular shell for a hermetic compressor according to any one of claims 1 to 9.
二酸化炭素冷媒を使用することを特徴とする請求項10記載の密閉型圧縮機。  The hermetic compressor according to claim 10, wherein carbon dioxide refrigerant is used.
JP2007290380A 2007-11-08 2007-11-08 Hermetic compressor and method for producing tubular shell for hermetic compressor Active JP4942616B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007290380A JP4942616B2 (en) 2007-11-08 2007-11-08 Hermetic compressor and method for producing tubular shell for hermetic compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007290380A JP4942616B2 (en) 2007-11-08 2007-11-08 Hermetic compressor and method for producing tubular shell for hermetic compressor

Publications (3)

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JP2009115015A JP2009115015A (en) 2009-05-28
JP2009115015A5 true JP2009115015A5 (en) 2010-06-24
JP4942616B2 JP4942616B2 (en) 2012-05-30

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5431881B2 (en) * 2009-11-12 2014-03-05 三菱電機株式会社 Weld bead measuring method, weld bead cutting method and weld bead cutting device for pipe
CN104985280A (en) * 2015-06-17 2015-10-21 昆明理工大学 Welding procedure method for ore pulp pipe to slip mass, collapse body and earthquake fault zone
JP6628872B2 (en) * 2016-05-20 2020-01-15 三菱電機株式会社 Compressor manufacturing method and pipe expansion device
CN110653467A (en) * 2018-06-29 2020-01-07 上海梅山钢铁股份有限公司 Method for straight seam welding of air conditioner compressor shell
CN112475571A (en) * 2019-09-11 2021-03-12 上海梅山钢铁股份有限公司 Method for efficiently welding straight seam of air condition compressor shell
JP7472862B2 (en) 2021-06-22 2024-04-23 株式会社富士通ゼネラル Compressor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2610770B2 (en) * 1993-04-28 1997-05-14 株式会社島倉鉄工所 High purity ferritic stainless steel welding method
JPH10103277A (en) * 1996-09-30 1998-04-21 Sanyo Electric Co Ltd Rotary compressor
JP3827958B2 (en) * 2001-02-07 2006-09-27 日鐵溶接工業株式会社 Thick plate single-sided welding method of titanium or titanium alloy

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