EP3292954A3 - Device for producing a slightly curved surface - Google Patents

Device for producing a slightly curved surface Download PDF

Info

Publication number
EP3292954A3
EP3292954A3 EP17188579.1A EP17188579A EP3292954A3 EP 3292954 A3 EP3292954 A3 EP 3292954A3 EP 17188579 A EP17188579 A EP 17188579A EP 3292954 A3 EP3292954 A3 EP 3292954A3
Authority
EP
European Patent Office
Prior art keywords
workpiece
tool
holder
slightly curved
axis
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.)
Granted
Application number
EP17188579.1A
Other languages
German (de)
French (fr)
Other versions
EP3292954B1 (en
EP3292954A2 (en
Inventor
Dr. Johann Peter Thielenhaus
Pete DiNardi
Klaus-Peter Fink
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.)
Thielenhaus Technologies GmbH
Original Assignee
Thielenhaus Technologies GmbH
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 Thielenhaus Technologies GmbH filed Critical Thielenhaus Technologies GmbH
Publication of EP3292954A2 publication Critical patent/EP3292954A2/en
Publication of EP3292954A3 publication Critical patent/EP3292954A3/en
Application granted granted Critical
Publication of EP3292954B1 publication Critical patent/EP3292954B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/26—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding workpieces with arcuate surfaces, e.g. parts of car bodies, bumpers or magnetic recording heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B11/00—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/009—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding profiled workpieces using a profiled grinding tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0084—Other grinding machines or devices the grinding wheel support being angularly adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B35/00—Machines or devices designed for superfinishing surfaces on work, i.e. by means of abrading blocks reciprocating with high frequency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically

Abstract

Die vorliegende Erfindung betrifft eine Vorrichtung zur Herstellung einer leicht gewölbten Oberfläche (2) eines Werkstücks (1), mit einem Werkzeughalter zur Aufnahme eines Werkzeuges (3), wobei der Werkzeughalter zur Rotation um eine Werkzeugachse (4) antreibbar ist, und mit mindestens einem Werkstückhalter zur Aufnahme eines Werkstücks (1), wobei der Werkstückhalter zur Rotation um eine Werkstückachse (5) antreibbar ist, wobei die Vorrichtung so eingerichtet ist, dass die Werkzeugachse (4) und die Werkstückachse (5) schräg zu einander anstellbar sind, und wobei ein Werkstückhalterträger (6) zur Aufnahme einer Mehrzahl von relativ zu dem Werkstückhalterträger (6) rotatorisch antreibbaren Werkstückhaltern vorgesehen ist, wobei der Werkstückhalterträger (6) rotatorisch um eine Werkstückhalterträgerachse (7) antreibbar ist, so dass aufgrund der sich überlagernden Rotationen von Werkstückhaltern und Werkstückhalterträger (6) sowie dem rotierenden Werkzeug die Oberfläche (2) jedes Werkstückes (1) nach der Endbearbeitung in Abhängigkeit von dem Anstellwinkel leicht gewölbt ist.

Figure imgaf001
The present invention relates to a device for producing a slightly curved surface (2) of a workpiece (1), comprising a tool holder for receiving a tool (3), wherein the tool holder is drivable for rotation about a tool axis (4), and at least one Workpiece holder for receiving a workpiece (1), wherein the workpiece holder for rotation about a workpiece axis (5) is drivable, wherein the device is arranged so that the tool axis (4) and the workpiece axis (5) are inclined to each other and, wherein a workpiece holder carrier (6) for receiving a plurality of relative to the workpiece holder support (6) rotatably driven workpiece holders is provided, wherein the workpiece holder carrier (6) rotatably about a Werkstückhaltertrerträgerachse (7) is driven, so that due to the overlapping rotations of workpiece holders and workpiece holder carrier (6) and the rotating tool the Oberflä surface (2) of each workpiece (1) is slightly curved after finishing, depending on the angle of attack.
Figure imgaf001
EP17188579.1A 2016-09-09 2017-08-30 Device for producing a slightly curved surface Active EP3292954B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15/261,568 US10040162B2 (en) 2016-09-09 2016-09-09 Device for producing a curved surface

Publications (3)

Publication Number Publication Date
EP3292954A2 EP3292954A2 (en) 2018-03-14
EP3292954A3 true EP3292954A3 (en) 2018-09-19
EP3292954B1 EP3292954B1 (en) 2022-04-20

Family

ID=59846346

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17188579.1A Active EP3292954B1 (en) 2016-09-09 2017-08-30 Device for producing a slightly curved surface

Country Status (2)

Country Link
US (1) US10040162B2 (en)
EP (1) EP3292954B1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2194780A (en) * 1939-02-03 1940-03-26 Alfred O Andersen Polishing machine
US4829716A (en) * 1985-10-22 1989-05-16 Matsushita Electric Industrial Co. Ltd. Apparatus for automatically performing plural sequential spherical grinding operations on workpieces
US20120045975A1 (en) * 2009-06-11 2012-02-23 Kojima Engineering Co., Ltd. Lens-processing device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1518971A (en) * 1921-07-12 1924-12-09 Wheeling Stamping Co Scratching machine
US2050422A (en) * 1929-07-27 1936-08-11 American Safety Razor Corp Buffing machine
US1833329A (en) * 1930-01-16 1931-11-24 C I Packer Tool & Die Company Automatic polishing machine
US2232843A (en) * 1939-01-07 1941-02-25 Nat Acme Co Method and means for burnishing spherical seats
US2447454A (en) * 1946-08-22 1948-08-17 Vanott Machine Corp Buffing and polishing machine
US3739530A (en) * 1968-11-06 1973-06-19 Roulements Soc Nouvelle Apparatus for machining bodies of revolution having a circular generatrix
US3771509A (en) * 1971-11-26 1973-11-13 True Tech Equipment Ltd Transfer table and base structure for shaping
DE3928514A1 (en) 1989-08-29 1991-03-14 Thielenhaus Maschf Grinding rounded edge on cylindrical workpiece - inclining grinding wheel axis to workpiece axis
US5299394A (en) * 1992-03-16 1994-04-05 Surdacki Richard G Method and apparatus for buffing spherical parts
DE59700201D1 (en) * 1997-03-26 1999-07-22 Optotech Optikmasch Gmbh Method and device for processing optical lenses
JP4455750B2 (en) * 2000-12-27 2010-04-21 株式会社ディスコ Grinding equipment
DE102004037454A1 (en) * 2004-08-02 2006-02-23 Carl Zeiss Ag Method for processing surfaces of workpieces
DE102012101581A1 (en) * 2012-02-27 2013-08-29 Optotech Optikmaschinen Gmbh Apparatus and method for processing spectacle lens blanks

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2194780A (en) * 1939-02-03 1940-03-26 Alfred O Andersen Polishing machine
US4829716A (en) * 1985-10-22 1989-05-16 Matsushita Electric Industrial Co. Ltd. Apparatus for automatically performing plural sequential spherical grinding operations on workpieces
US20120045975A1 (en) * 2009-06-11 2012-02-23 Kojima Engineering Co., Ltd. Lens-processing device

Also Published As

Publication number Publication date
EP3292954B1 (en) 2022-04-20
US10040162B2 (en) 2018-08-07
EP3292954A2 (en) 2018-03-14
US20180071882A1 (en) 2018-03-15

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