IT972789B - PROCESS AND DEVICES FOR SHEARING WITHOUT BAVE - Google Patents

PROCESS AND DEVICES FOR SHEARING WITHOUT BAVE

Info

Publication number
IT972789B
IT972789B IT33436/72A IT3343672A IT972789B IT 972789 B IT972789 B IT 972789B IT 33436/72 A IT33436/72 A IT 33436/72A IT 3343672 A IT3343672 A IT 3343672A IT 972789 B IT972789 B IT 972789B
Authority
IT
Italy
Prior art keywords
bave
shearing
devices
Prior art date
Application number
IT33436/72A
Other languages
Italian (it)
Inventor
W Carmeli
Original Assignee
Ibm Spa
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 Ibm Spa filed Critical Ibm Spa
Priority to IT33436/72A priority Critical patent/IT972789B/en
Priority to DE2356217A priority patent/DE2356217A1/en
Priority to GB5356273A priority patent/GB1406397A/en
Priority to US418626A priority patent/US3878746A/en
Priority to FR7343098A priority patent/FR2211300B1/fr
Priority to JP14039773A priority patent/JPS5421029B2/ja
Application granted granted Critical
Publication of IT972789B publication Critical patent/IT972789B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/16—Shoulder or burr prevention, e.g. fine-blanking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/0581—Cutting part way through from opposite sides of work
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2096—Means to move product out of contact with tool
    • Y10T83/2122—By ejector within a hollow cutter
    • Y10T83/2129—By means carried by cooperating cutter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2096—Means to move product out of contact with tool
    • Y10T83/2135—Moving stripper timed with tool stroke
    • Y10T83/215—Carried by moving tool element or its support
    • Y10T83/2153—Fluid pressure actuated stripper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8776—Constantly urged tool or tool support [e.g., spring biased]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8821—With simple rectilinear reciprocating motion only
    • Y10T83/8825—With lost motion in tool drive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8821—With simple rectilinear reciprocating motion only
    • Y10T83/8835—And means to move cooperating cutting member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Control Of Cutting Processes (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
IT33436/72A 1972-12-22 1972-12-22 PROCESS AND DEVICES FOR SHEARING WITHOUT BAVE IT972789B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT33436/72A IT972789B (en) 1972-12-22 1972-12-22 PROCESS AND DEVICES FOR SHEARING WITHOUT BAVE
DE2356217A DE2356217A1 (en) 1972-12-22 1973-11-10 METHOD AND DEVICE FOR Burr-free CUTTING-OUT OF PARTS
GB5356273A GB1406397A (en) 1972-12-22 1973-11-19 Blanking press
US418626A US3878746A (en) 1972-12-22 1973-11-23 Burless blanking machine and process
FR7343098A FR2211300B1 (en) 1972-12-22 1973-11-28
JP14039773A JPS5421029B2 (en) 1972-12-22 1973-12-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT33436/72A IT972789B (en) 1972-12-22 1972-12-22 PROCESS AND DEVICES FOR SHEARING WITHOUT BAVE

Publications (1)

Publication Number Publication Date
IT972789B true IT972789B (en) 1974-05-31

Family

ID=11237440

Family Applications (1)

Application Number Title Priority Date Filing Date
IT33436/72A IT972789B (en) 1972-12-22 1972-12-22 PROCESS AND DEVICES FOR SHEARING WITHOUT BAVE

Country Status (6)

Country Link
US (1) US3878746A (en)
JP (1) JPS5421029B2 (en)
DE (1) DE2356217A1 (en)
FR (1) FR2211300B1 (en)
GB (1) GB1406397A (en)
IT (1) IT972789B (en)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991641A (en) * 1975-07-18 1976-11-16 Springfield Tool & Die, Inc. Piercing apparatus
JPS5265388A (en) * 1975-11-27 1977-05-30 Nippon Taikou Daisu Kk Shearing method of opposed die press
US4220272A (en) * 1978-10-30 1980-09-02 Danti Bernard R Precision cutting means
EP0060355B2 (en) * 1981-03-17 1991-03-06 Edward Donald Bennett Apparatus for producing a blank from stock material
US4477537A (en) * 1982-09-23 1984-10-16 Blase Tool And Manufacturing Co., Inc. Method for producing burr-free blanks and the blanks produced thereby
US4897919A (en) * 1986-10-27 1990-02-06 Black & Decker Inc. Method for producing a stamped substrate
US5035049A (en) * 1986-10-27 1991-07-30 Black & Decker Inc. Method for producing a stamped substrate
US4951537A (en) * 1988-09-29 1990-08-28 Ace Technology Corporation Apparatus for producing a blank from stock material
DE3931320C1 (en) * 1989-09-20 1991-08-08 Feintool International Holding, Lyss, Ch
US5320013A (en) * 1991-06-20 1994-06-14 Fuji Electric Co., Ltd. Method of blanking metal foil on piezoelectric actuator operated press, and die sets for practicing the method
US5163223A (en) * 1991-08-21 1992-11-17 Custom Stamping, Inc. Process for making an electrical connector pin having fully rounded contact surfaces
US5269213A (en) * 1992-02-25 1993-12-14 International Business Machines Corporation Punch apparatus
MY111883A (en) * 1992-07-31 2001-02-28 Kituda Co Ltd Method and apparatus for punching a metal tape to be a patterned member
US5578398A (en) * 1995-12-13 1996-11-26 Precious Plate Florida Perforated substrate and method of manufacture
FR2751570B1 (en) * 1996-07-25 1998-09-04 Lorraine Laminage METHOD OF CUTTING A WORKPIECE INTO A SHEET OF SHEET
FR2751571B1 (en) * 1996-07-25 1999-10-22 Lorraine Laminage METHOD OF CUTTING A WORKPIECE INTO A SHEET OF SHEET
JP3693445B2 (en) * 1997-02-10 2005-09-07 日本精工株式会社 Universal joint yoke and manufacturing method thereof
DE19738635C2 (en) * 1997-09-04 2002-09-26 Feintool Internat Holding Ag L Process for the production of exact cut surfaces
US6266865B1 (en) * 1999-09-17 2001-07-31 Wabash Technology Corporation Method of punching a composite plate
US6519914B1 (en) 2001-07-12 2003-02-18 Euclid Spiral Paper Tube Corp. Perforation forming module for a packaging machine
JP3975715B2 (en) * 2001-10-10 2007-09-12 トヨタ紡織株式会社 Press forming method and apparatus used therefor
JP4899864B2 (en) * 2004-04-09 2012-03-21 トヨタ紡織株式会社 Shearing device
DE102006001389A1 (en) * 2006-01-11 2007-07-12 Mate Precision Tooling Gmbh Forming tool for a punching machine
PT1815922E (en) * 2006-02-03 2009-03-12 Feintool Ip Ag Method of and tool for fine-cutting pieces with small edge radius and strongly reduced depth in a single step arrangement
DE102007047836A1 (en) * 2007-11-21 2009-05-28 Zf Friedrichshafen Ag Method for producing a burr-free cut surface and apparatus for carrying out the method
EP2140954B1 (en) * 2008-07-03 2011-09-14 Feintool Intellectual Property AG Method and device for manufacturing finely cut sections from a strip of material
SE534128C2 (en) * 2009-06-02 2011-05-03 Precomp Solutions Ab Method and apparatus for punching or cutting a component from a sheet of metal or similar material
CN102310144B (en) * 2010-07-06 2013-08-07 亿和精密金属制品(深圳)有限公司 Device for synchronously blanking scraps and removing burrs for progressive die
CN102284596B (en) * 2011-06-22 2014-02-26 重庆理工大学 Closed extruding fine blanking die based on floating female die structure
TW201345685A (en) * 2012-05-02 2013-11-16 Jun-Sheng Jiang Cutting method and apparatus for fragile sheet-like work piece
CN103317000B (en) * 2013-07-15 2015-06-03 驻马店市嵖岈山门业有限公司 Door frame first knife blanking die
DE102014000299B3 (en) * 2014-01-15 2015-07-16 Rixen Wolfgang Method for producing passages in a metallic body by means of high-speed shear cutting and its use
CN106229791A (en) * 2016-07-27 2016-12-14 广东欧珀移动通信有限公司 The manufacture method of power supply adaptor, mobile terminal and power interface
CN106623594B (en) * 2016-11-30 2019-11-05 重庆速腾机械制造有限公司 Punching press synchronous deburring equipment
CN113386004B (en) * 2021-05-13 2022-05-17 港艺精密五金模具(深圳)有限公司 Metal plate bending die

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178975A (en) * 1961-03-24 1965-04-20 Danly Mach Specialties Inc High speed precision blanking press
US3488987A (en) * 1967-12-07 1970-01-13 Oscar W Stoeckli Method and apparatus for producing smooth-edge blanked sheet metal parts
NL6811971A (en) * 1968-08-22 1970-02-24
DE1930398C3 (en) * 1969-06-14 1974-06-06 Maschinenfabrik Lorenz Ag, 7505 Ettlingen Fine-cut press
US3739669A (en) * 1970-05-29 1973-06-19 Suzuki Motor Co Shearing press of opposing die type

Also Published As

Publication number Publication date
US3878746A (en) 1975-04-22
FR2211300A1 (en) 1974-07-19
GB1406397A (en) 1975-09-17
JPS5421029B2 (en) 1979-07-27
DE2356217A1 (en) 1974-06-27
FR2211300B1 (en) 1978-08-11
JPS4989984A (en) 1974-08-28

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