GB1483734A - Method and apparatus for producing a punch and die set - Google Patents

Method and apparatus for producing a punch and die set

Info

Publication number
GB1483734A
GB1483734A GB5202073A GB5202073A GB1483734A GB 1483734 A GB1483734 A GB 1483734A GB 5202073 A GB5202073 A GB 5202073A GB 5202073 A GB5202073 A GB 5202073A GB 1483734 A GB1483734 A GB 1483734A
Authority
GB
United Kingdom
Prior art keywords
die
punch
electrode
block
platen
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.)
Expired
Application number
GB5202073A
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.)
Lucas Electrical Co Ltd
Original Assignee
Lucas Electrical Co 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 Lucas Electrical Co Ltd filed Critical Lucas Electrical Co Ltd
Priority to GB5202073A priority Critical patent/GB1483734A/en
Publication of GB1483734A publication Critical patent/GB1483734A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/12—Forming parts of complementary shape, e.g. punch-and-die
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/20—Making tools by operations not covered by a single other subclass
    • B21D37/205—Making cutting tools

Abstract

1483734 Making punch and die sets; electroerosion; punching LUCAS ELECTRICAL Ltd 31 Oct 1974 [9 Nov 1973] 52020/73 Headings B3A B3V and B3W A method of producing punch and die components of a punch and die set comprises machining one of the components of the set with a required profile and at least two location holes, machining an electrode 18, Fig. 1, with an identically shaped profile to that of the component with at least two location holes, mounting the electrode on a platen 11 of a jig machining at least two location holes in a metal block 20 and mounting the block on an oppositely disposed platen 10, and spark eroding the metal block with the electrode as a cathode to the anode of the block to form a complementary component of the set. The electrode and component, e.g. a die, are machined using a copper wire spark erosion cutter controlled by a numerical control system programmed to reproduce a given profile in a plurality of blanks. Locating holes 19, 23 are machined respectively in the electrode and block for receiving dowels 16a, 14a which can be located in holes 15a, 13 of the platens. The electrode can also be clamped by clamps 17. The punch component 20 is spark eroded from the block as the platen 10 is lowered. Respective bolsters 70, 74, Fig. 3, for the die and punch are then accurately machined, using a numerical control system, with locating holes and pillar guide holes. The die bolster is then rigidly mounted on pillars 32 of a forming machine and the punch bolster is slidably mounted on the pillars. Both bolsters are mounted on respective platens 30, 31 of the machine. In operation, a metal blank 57 is trapped between a hold-down 51 and the die 33 upon downward movement of the punches 41,42 mounted on the upper platen. After punching the blank at a postion (A), Fig. 4 (not shown), the blank is moved to a position (B). Alternatively, metal strip may be punched sequentially upon passing between guides 60 disposed on platen 30.
GB5202073A 1974-10-31 1974-10-31 Method and apparatus for producing a punch and die set Expired GB1483734A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5202073A GB1483734A (en) 1974-10-31 1974-10-31 Method and apparatus for producing a punch and die set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5202073A GB1483734A (en) 1974-10-31 1974-10-31 Method and apparatus for producing a punch and die set

Publications (1)

Publication Number Publication Date
GB1483734A true GB1483734A (en) 1977-08-24

Family

ID=10462326

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5202073A Expired GB1483734A (en) 1974-10-31 1974-10-31 Method and apparatus for producing a punch and die set

Country Status (1)

Country Link
GB (1) GB1483734A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4751860A (en) * 1985-03-27 1988-06-21 Volzhskoe Obiedinenie Po Proizvodstvu Legkovykh Avtomobilei Method of making blanking die sets
US4760762A (en) * 1985-03-27 1988-08-02 Volzhskoe Obiedinenie Po Proizvodstvu Legkovykh Avtomobilei Method of making die set line
CN102489802A (en) * 2011-12-20 2012-06-13 哈尔滨工业大学 Micro stamping die in-situ manufacturing device
CN104191051A (en) * 2014-09-12 2014-12-10 沈阳飞机工业（集团）有限公司 Special-shaped hole machining device and method
CN105642734A (en) * 2016-01-07 2016-06-08 大连理工大学 Micro blanking system for on-line processing of punch-die

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4751860A (en) * 1985-03-27 1988-06-21 Volzhskoe Obiedinenie Po Proizvodstvu Legkovykh Avtomobilei Method of making blanking die sets
US4760762A (en) * 1985-03-27 1988-08-02 Volzhskoe Obiedinenie Po Proizvodstvu Legkovykh Avtomobilei Method of making die set line
CN102489802A (en) * 2011-12-20 2012-06-13 哈尔滨工业大学 Micro stamping die in-situ manufacturing device
CN102489802B (en) * 2011-12-20 2013-05-08 哈尔滨工业大学 Micro stamping die in-situ manufacturing device
CN104191051A (en) * 2014-09-12 2014-12-10 沈阳飞机工业（集团）有限公司 Special-shaped hole machining device and method
CN105642734A (en) * 2016-01-07 2016-06-08 大连理工大学 Micro blanking system for on-line processing of punch-die

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee