EP1002597A1 - Steuernocke mit Dehnungsmesselementen zur Behälter Falzung - Google Patents

Steuernocke mit Dehnungsmesselementen zur Behälter Falzung Download PDF

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Publication number
EP1002597A1
EP1002597A1 EP99402774A EP99402774A EP1002597A1 EP 1002597 A1 EP1002597 A1 EP 1002597A1 EP 99402774 A EP99402774 A EP 99402774A EP 99402774 A EP99402774 A EP 99402774A EP 1002597 A1 EP1002597 A1 EP 1002597A1
Authority
EP
European Patent Office
Prior art keywords
cam
length
profile
notches
produce
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
EP99402774A
Other languages
English (en)
French (fr)
Other versions
EP1002597B1 (de
Inventor
Raymond Buisson
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.)
Centre Technique des Industries Mecaniques CETIM
Original Assignee
Centre Technique des Industries Mecaniques CETIM
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 Centre Technique des Industries Mecaniques CETIM filed Critical Centre Technique des Industries Mecaniques CETIM
Publication of EP1002597A1 publication Critical patent/EP1002597A1/de
Application granted granted Critical
Publication of EP1002597B1 publication Critical patent/EP1002597B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/30—Folding the circumferential seam
    • B21D51/32—Folding the circumferential seam by rolling

Definitions

  • the present invention relates to crimping containers such as cans or analogous, by means of a seamer in which application of the tool (usually a crimping wheel) on the lip to be crimped controlled by the rolling of a roller on a cam formed of a crown on an active sector of which is externally formed a profile of upward ramp and downward ramp.
  • the tool usually a crimping wheel
  • the manufacture and / or use of boxes can requires one or two operations of setting of the funds.
  • the tightness of a box closed depends on the existing tightening inside crimped edges.
  • the object of the invention is to remedy this default and suggest a cam modification allowing to have a response substantially uniform over the entire length of the game sensitive, i.e. a response whose rate of non-uniformity is less than 10%.
  • this object is achieved when: 0.75 ⁇ Lr / Ls ⁇ 0.80 where Lr and Ls respectively denote the length of the rigid part located in the center of the machined part and the length of the sensitive part of the cam.
  • Ls is equal to the length of the cam profile which corresponds to one revolution of the box during crimping;
  • Lr is the equivalent rigid length of the measurement area on the cam profile. It is a length which is slightly higher than the length of the cam profile part which has a height hr (see below) in order to take account of the influence of the connection zone between the rigid part and the thinned part.
  • hr and hs denote respectively the thickness of the thinned zone and the height of material constituting the cam profile.
  • Figures 1 and 2 show all of control 1 consisting of two superimposed cams 2 and 3, first and second respectively surgery.
  • a wheel mounted at the end of an arm linked to a tree swivel definitively crimp the lip of crimping the bottom of the box;
  • a mounted roller rotatable at the end of another arm linked to the shaft rolls on cam 3 and thus controls the pivoting of the shaft and therefore the force application of the crimping wheel.
  • the cam 3 has an active region 4 in which is formed, on the cylindrical periphery of cam 3, a useful profile, composed for example an ascending ramp 5 followed by a plateau 6 and of a descending ramp 7.
  • Cam 3 is under shape of a thick ring with two annular faces flat.
  • the tray is at a height hr by relative to the inner periphery 9 of the cam.
  • active region 4 we have machined, for example by EDM, two notches 8 from of the inner periphery 9 of the cam and delimiting between them a sensitive part of length Ls, over which the measurement of the force applied by the cam on the roller.
  • Each notch is formed by a radial plane 10 and by a concave curved portion 11 connecting the bottom of notch 8 at the central inner periphery 12 not machined between the two notches.
  • the bottom of the notch leaves a thickness hs of material in the thinnest area.
  • the machined length between the radial planes 10 is called Lu.
  • the two indentations 8 separate a central area rigid 13 of length Lr. Gauges of unrepresented constraints are pasted in notches, and are connected to a device of analysis giving a signal representative of the force of the cam on the roller.
  • hs The value of hs is determined so that have a level of mechanical deformation allowing optimal operation of the gauges mechanical deformations stuck inside the modified area. In practice, this value is determined by doing a behavior calculation mechanics of the sensitive part so that the stresses and mechanical deformations are acceptable and are not likely to lead to fatigue damage but on the other hand are high enough to obtain a usable electrical measurement signal by the measurement system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Cartons (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP99402774A 1998-11-17 1999-11-08 Steuernocke mit Dehnungsmesselementen zur Behälter Falzung Expired - Lifetime EP1002597B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9814418 1998-11-17
FR9814418A FR2785959B1 (fr) 1998-11-17 1998-11-17 Came de commande de sertissage de conteneur munie de jauges de deformation

Publications (2)

Publication Number Publication Date
EP1002597A1 true EP1002597A1 (de) 2000-05-24
EP1002597B1 EP1002597B1 (de) 2003-05-28

Family

ID=9532815

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99402774A Expired - Lifetime EP1002597B1 (de) 1998-11-17 1999-11-08 Steuernocke mit Dehnungsmesselementen zur Behälter Falzung

Country Status (5)

Country Link
EP (1) EP1002597B1 (de)
JP (1) JP4261003B2 (de)
AT (1) ATE241438T1 (de)
DE (1) DE69908281T2 (de)
FR (1) FR2785959B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2817180B1 (fr) * 2000-11-30 2003-01-24 Ct Tech Des Ind Mecaniques Tete de sertissage pour boites de forme
JP4735083B2 (ja) * 2005-07-05 2011-07-27 日産自動車株式会社 缶の巻き締め装置および缶の巻き締め方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205617A (en) * 1978-10-23 1980-06-03 The Continental Group, Inc. Double seam tightness control
EP0181234A2 (de) * 1984-11-09 1986-05-14 Continental Can Company, Inc. Monitor angewandter Kraft für Geräte zum Formen von Erzeugnissen aus Blattmaterial
WO1998007534A1 (en) * 1996-08-21 1998-02-26 Pneumatic Scale Corporation Can seam forming apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205617A (en) * 1978-10-23 1980-06-03 The Continental Group, Inc. Double seam tightness control
EP0181234A2 (de) * 1984-11-09 1986-05-14 Continental Can Company, Inc. Monitor angewandter Kraft für Geräte zum Formen von Erzeugnissen aus Blattmaterial
WO1998007534A1 (en) * 1996-08-21 1998-02-26 Pneumatic Scale Corporation Can seam forming apparatus

Also Published As

Publication number Publication date
DE69908281T2 (de) 2004-03-25
ATE241438T1 (de) 2003-06-15
JP2000153331A (ja) 2000-06-06
FR2785959A1 (fr) 2000-05-19
EP1002597B1 (de) 2003-05-28
DE69908281D1 (de) 2003-07-03
FR2785959B1 (fr) 2001-02-02
JP4261003B2 (ja) 2009-04-30

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