JPS53120669A - Tension controller for stretch bending former - Google Patents

Tension controller for stretch bending former

Info

Publication number
JPS53120669A
JPS53120669A JP3526777A JP3526777A JPS53120669A JP S53120669 A JPS53120669 A JP S53120669A JP 3526777 A JP3526777 A JP 3526777A JP 3526777 A JP3526777 A JP 3526777A JP S53120669 A JPS53120669 A JP S53120669A
Authority
JP
Japan
Prior art keywords
displacement
tension controller
stretch bending
bending former
pressure regulating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3526777A
Other languages
Japanese (ja)
Inventor
Yoshihiro Osumi
Isao Yoshida
Masanobu Ueda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3526777A priority Critical patent/JPS53120669A/en
Publication of JPS53120669A publication Critical patent/JPS53120669A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: The titled controller suitable for improving the producibility of the formed parts, by constituting of the detector for detecting the quantity of longitudinal stretch displacement of the material, the displacement meter which has a settled quantity of displacement and is connected to the displacement quantity detector, and the pressure regulating motor for automatically controlling the pressure regulating valve depending on the signal of the displacement meter.
COPYRIGHT: (C)1978,JPO&Japio
JP3526777A 1977-03-31 1977-03-31 Tension controller for stretch bending former Pending JPS53120669A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3526777A JPS53120669A (en) 1977-03-31 1977-03-31 Tension controller for stretch bending former

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3526777A JPS53120669A (en) 1977-03-31 1977-03-31 Tension controller for stretch bending former

Publications (1)

Publication Number Publication Date
JPS53120669A true JPS53120669A (en) 1978-10-21

Family

ID=12437016

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3526777A Pending JPS53120669A (en) 1977-03-31 1977-03-31 Tension controller for stretch bending former

Country Status (1)

Country Link
JP (1) JPS53120669A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005282644A (en) * 2004-03-29 2005-10-13 Toko Seisakusho:Kk Hydraulic cylinder device
WO2012049937A1 (en) * 2010-10-13 2012-04-19 シロキ工業株式会社 Method and apparatus for bending long member, and method for bending door frame
WO2012120989A1 (en) * 2011-03-09 2012-09-13 三菱重工業株式会社 Method for forming sheet material, sheet material forming apparatus, method for determining forming conditions for sheet material forming apparatus, and device for determining forming conditions for sheet material forming apparatus
WO2015159458A1 (en) * 2014-04-17 2015-10-22 日本メクトロン株式会社 Flexible printed board manufacturing method, board manufacturing jig, and board manufacturing method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005282644A (en) * 2004-03-29 2005-10-13 Toko Seisakusho:Kk Hydraulic cylinder device
JP4565871B2 (en) * 2004-03-29 2010-10-20 株式会社東晃製作所 Hydraulic cylinder device
WO2012049937A1 (en) * 2010-10-13 2012-04-19 シロキ工業株式会社 Method and apparatus for bending long member, and method for bending door frame
JP2012081506A (en) * 2010-10-13 2012-04-26 Shiroki Corp Method and apparatus for bending long member
CN103097051A (en) * 2010-10-13 2013-05-08 白木工业株式会社 Method and apparatus for bending long member, and method for bending door frame
US9046451B2 (en) 2010-10-13 2015-06-02 Shiroki Corporation Method and apparatus for bending long member, and method for bending door frame
WO2012120989A1 (en) * 2011-03-09 2012-09-13 三菱重工業株式会社 Method for forming sheet material, sheet material forming apparatus, method for determining forming conditions for sheet material forming apparatus, and device for determining forming conditions for sheet material forming apparatus
JP2012187600A (en) * 2011-03-09 2012-10-04 Mitsubishi Heavy Ind Ltd Method for forming sheet material, sheet material-forming apparatus, method for determining forming condition for sheet material-forming apparatus, and device for determining forming condition for sheet material-forming apparatus
WO2015159458A1 (en) * 2014-04-17 2015-10-22 日本メクトロン株式会社 Flexible printed board manufacturing method, board manufacturing jig, and board manufacturing method

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