EP0481936A3 - Method of and apparatus for continuously controlling the pressure applied on workpieces in a double-plate lapping machine - Google Patents

Method of and apparatus for continuously controlling the pressure applied on workpieces in a double-plate lapping machine Download PDF

Info

Publication number
EP0481936A3
EP0481936A3 EP19910830441 EP91830441A EP0481936A3 EP 0481936 A3 EP0481936 A3 EP 0481936A3 EP 19910830441 EP19910830441 EP 19910830441 EP 91830441 A EP91830441 A EP 91830441A EP 0481936 A3 EP0481936 A3 EP 0481936A3
Authority
EP
European Patent Office
Prior art keywords
workpieces
double
pressure applied
lapping machine
continuously controlling
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.)
Withdrawn
Application number
EP19910830441
Other languages
English (en)
Other versions
EP0481936A2 (fr
Inventor
Michele Melchiorre
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.)
MELCHIORRE OFFICINA MECCANICA Srl
Original Assignee
MELCHIORRE OFFICINA MECCANICA Srl
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 MELCHIORRE OFFICINA MECCANICA Srl filed Critical MELCHIORRE OFFICINA MECCANICA Srl
Publication of EP0481936A2 publication Critical patent/EP0481936A2/fr
Publication of EP0481936A3 publication Critical patent/EP0481936A3/en
Withdrawn legal-status Critical Current

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
    • B24B37/00—Lapping machines or devices; Accessories
    • B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
    • B24B37/07—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
    • B24B37/08—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for double side lapping
    • 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
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/02—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
    • 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
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/16—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
EP19910830441 1990-10-17 1991-10-16 Method of and apparatus for continuously controlling the pressure applied on workpieces in a double-plate lapping machine Withdrawn EP0481936A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT4838290 1990-10-17
IT04838290A IT1244131B (it) 1990-10-17 1990-10-17 Metodo e dispositivo per il controllo continuo della spinta applicata sui pezzi in lavorazione in una macchina lappatrice a doppio plateau.

Publications (2)

Publication Number Publication Date
EP0481936A2 EP0481936A2 (fr) 1992-04-22
EP0481936A3 true EP0481936A3 (en) 1992-08-26

Family

ID=11266231

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910830441 Withdrawn EP0481936A3 (en) 1990-10-17 1991-10-16 Method of and apparatus for continuously controlling the pressure applied on workpieces in a double-plate lapping machine

Country Status (2)

Country Link
EP (1) EP0481936A3 (fr)
IT (1) IT1244131B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2677292B1 (fr) * 1991-06-04 1995-12-08 Seva Machine de polissage a regulation pneumatique de l'effort de l'outil de la piece a polir.
JP2000006005A (ja) * 1998-06-22 2000-01-11 Speedfam Co Ltd 両面研磨装置
US7125313B2 (en) 2003-02-25 2006-10-24 Novellus Systems, Inc. Apparatus and method for abrading a workpiece
CN101968400A (zh) * 2010-03-10 2011-02-09 慧源检测技术(上海)有限公司 一种轨迹球测试装置及其测试方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034659A1 (fr) * 1979-12-18 1981-09-02 Peter Wolters, Maschinenfabrik Dispositif pour commander la charge d'usinage pour machines de finition, de rodage ou de meulage
US4873792A (en) * 1988-06-01 1989-10-17 Buehler, Ltd. Polishing apparatus
EP0344548A2 (fr) * 1988-05-28 1989-12-06 Peter Wolters Ag Méthode et appareillage pour le contrôle fu fonctionnement de machines à rôder ou rectifier
EP0375921A1 (fr) * 1988-12-27 1990-07-04 International Business Machines Corporation Système de commande pour un lapidaire automatisé

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034659A1 (fr) * 1979-12-18 1981-09-02 Peter Wolters, Maschinenfabrik Dispositif pour commander la charge d'usinage pour machines de finition, de rodage ou de meulage
EP0344548A2 (fr) * 1988-05-28 1989-12-06 Peter Wolters Ag Méthode et appareillage pour le contrôle fu fonctionnement de machines à rôder ou rectifier
US4873792A (en) * 1988-06-01 1989-10-17 Buehler, Ltd. Polishing apparatus
EP0375921A1 (fr) * 1988-12-27 1990-07-04 International Business Machines Corporation Système de commande pour un lapidaire automatisé

Also Published As

Publication number Publication date
IT9048382A0 (it) 1990-10-17
IT9048382A1 (it) 1992-04-17
IT1244131B (it) 1994-07-08
EP0481936A2 (fr) 1992-04-22

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