IT972789B - PROCESS AND DEVICES FOR SHEARING WITHOUT BAVE - Google Patents
PROCESS AND DEVICES FOR SHEARING WITHOUT BAVEInfo
- 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
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)
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)
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)
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 |
-
1972
- 1972-12-22 IT IT33436/72A patent/IT972789B/en active
-
1973
- 1973-11-10 DE DE2356217A patent/DE2356217A1/en not_active Ceased
- 1973-11-19 GB GB5356273A patent/GB1406397A/en not_active Expired
- 1973-11-23 US US418626A patent/US3878746A/en not_active Expired - Lifetime
- 1973-11-28 FR FR7343098A patent/FR2211300B1/fr not_active Expired
- 1973-12-18 JP JP14039773A patent/JPS5421029B2/ja not_active Expired
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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