EP0592461A1 - VORRICHTUNG ZUM ZIEHEN VON METALLISCHEN ODER PLASTIKBESCHICHTETEN METALLISCHEN Dosen - Google Patents
VORRICHTUNG ZUM ZIEHEN VON METALLISCHEN ODER PLASTIKBESCHICHTETEN METALLISCHEN DosenInfo
- Publication number
- EP0592461A1 EP0592461A1 EP92910886A EP92910886A EP0592461A1 EP 0592461 A1 EP0592461 A1 EP 0592461A1 EP 92910886 A EP92910886 A EP 92910886A EP 92910886 A EP92910886 A EP 92910886A EP 0592461 A1 EP0592461 A1 EP 0592461A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- die
- container
- stretching
- thickness
- enclosure
- 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- Withdrawn
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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/28—Deep-drawing of cylindrical articles using consecutive dies
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/28—Deep-drawing of cylindrical articles using consecutive dies
- B21D22/286—Deep-drawing of cylindrical articles using consecutive dies with lubricating or cooling means
-
- 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
- B21D37/18—Lubricating, e.g. lubricating tool and workpiece simultaneously
Definitions
- the invention relates to a device for drawing metal or etalloplastic boxes.
- Al alloys containing Mg (series 5000 according to the designations of the Aluminum Association) have a tendency to flu 10 ("galling" in English) on forming tools, in particular on rings or dies. stretching. It is therefore practically impossible to form boxes with bare metal; we therefore have recourse either to specific surface treatments (see FR-A-2627189) or to a coating of internal and / or external plastic.
- the first solution is relatively complex and expensive; as for the second, it presents another difficulty, which is the appearance of a defect called "roll-back" in English, the frequency of which is all the more important as the ratio of height (H) to diameter (D) is
- This defect occurs during the extraction of the container stretched on the punch, by the extractor, and is in the form of a pleating e accordion of the body of the container or by rolling of its free edge o
- organic material such as plastic, which has an elastic return which accentuates the hooping.
- a container stretching machine essentially consists of several coaxial dies of decreasing diameters and an axial punch, generally cylindrical, the latter successively pushing the blank through the dies in which its side wall is thinned and stretched (elongated); on common industrial machines, there are generally 3 of these channels.
- the device according to the invention therefore consists of at least one enclosure placed upstream of at least one of the stretching dies, semi-sealed manner, provided with a lubricant inlet opening and a discharge opening.
- the main characteristic of the invention is that, in each enclosure, immediately upstream of the corresponding die, a long and narrow cylindrical-conical annular precheck adjacent to the external surface of the box being stretched is arranged.
- This pre-room can be delimited externally by the industry itself or by an attached mancho; it consists of an optional cylindrical annular part, extended, on the side of the die, by a conical connection part.
- this tool can be used in various ways:
- FIG. 1 shows an axial sectional view of the device, for the stretching of a metalloplastic box
- FIG. 3 shows a sectional view of the assembly used for drawing Al alloys of the 5000 series (example 3)
- FIG. 4 shows a sectional view of the die and the die holder of fig. 3
- FIG. 5 shows a side view of fig. 4
- FIG. 6 shows in enlarged view detail A of FIG. 4.
- the device therefore comprises an enclosure 1 provided with an opening 2 for introducing the lubricant 9, fixed upstream of the drawing die 3 by screws 4 (not shown); it is provided with a discharge opening 12.
- This chamber is closed upstream by a wall 13 and contains a sleeve 5 which delimits with the external surface 14 of the container 6 during drawing, located on the punch 7 , an annular space 10 of thickness j and length 1; the reference 11 shows schematically the extractor.
- the device is supplemented for example by an O-ring 8 located between the enclosure 1 and the wall 14 of the container 6.
- the wall 13 can be replaced by the guide ring (not shown) located after the upstream die, and which has a positive clearance with respect to the surface outer of the can body of a few hundredths of a mm.
- the above device was used under the following conditions on a machine comprising 3 drawing dies, this device being mounted upstream of the third die.
- the lubricant used is demineralized water added with 0.05% of a surfactant: F0RAFAC 1110 (Company AT0CHEM) and the flow rate of which is 0.17 1 / sec.
- the drawing rate was 30.6% on the first channel, 28.8% on the second and variable on the third.
- This test relates to the drawing of boxes in 5182.
- the device used shown in FIG. 3, comprises 3 stretching dies 3A, 3B, 3C made of tungsten carbide supported by the die holders 30A
- Each spacer has a lubricant inlet 2 9 and a lubricant outlet (not shown) 12.
- the punch 7 is shown in dotted lines.
- the die holder 31 (or 32 or 33) comprises a ring 3 for distributing the lubricant and distribution channels 36, arranged tangentially at the opening 37 of the die 3A.
- the annular prechamber, object of the invention, used for this test a cylindrical length of 12 mm (fig.) And a thickness jo (fig. 6) d
- the diameter of the punch was 65.760 mm and the diameter of the die respectively 66.290 mm (3A); 66.137 mm (3B) and 65.979 mm (30.
- the lubricant flow rate consisting of water with NALCO XL 174 at 3% vol (from St ⁇ NALCO) at a temperature of 40 ° C is 96 liters / mi distributed in 321 / min on the 1st die, 321 / min on the 2nd die and 321 / min on the 3rd die
- the striking rate was 280 strokes / min on a CMB typ B4 "body maker".
- the device according to the invention has the advantage of being able to be easily mounted on existing drawing machines, giving them the possibility:
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FR1992/000403 WO1993022079A1 (fr) | 1992-05-04 | 1992-05-04 | Dispositif pour l'etirage de boites metalliques ou metalloplastiques |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0592461A1 true EP0592461A1 (de) | 1994-04-20 |
Family
ID=9425678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92910886A Withdrawn EP0592461A1 (de) | 1992-05-04 | 1992-05-04 | VORRICHTUNG ZUM ZIEHEN VON METALLISCHEN ODER PLASTIKBESCHICHTETEN METALLISCHEN Dosen |
Country Status (3)
Country | Link |
---|---|
US (1) | US5460024A (de) |
EP (1) | EP0592461A1 (de) |
WO (1) | WO1993022079A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5742993A (en) * | 1995-11-03 | 1998-04-28 | Kaiser Aluminum & Chemical Corporation | Method for making hollow workpieces |
US5862582A (en) * | 1995-11-03 | 1999-01-26 | Kaiser Aluminum & Chemical Corporation | Method for making hollow workpieces |
US5632171A (en) * | 1996-02-01 | 1997-05-27 | Reynolds Metals Company | Ironing press laminar flow lubrication ring |
US5985028A (en) | 1997-09-12 | 1999-11-16 | Henkel Corporation | Coating apparatus |
JP5151598B2 (ja) * | 2008-03-26 | 2013-02-27 | Jfeスチール株式会社 | しごき加工方法およびしごき加工装置 |
GB0822560D0 (en) | 2008-12-11 | 2009-01-14 | Crown Packaging Technology Inc | Coolant system |
EP2605873B1 (de) | 2010-08-20 | 2021-04-14 | Alcoa USA Corp. | Geformter metallbehälter und verfahren zu seiner herstellung |
US9327333B2 (en) | 2012-05-07 | 2016-05-03 | Stolle Machinery Company, Llc | Gas cooling method for can forming |
US9327338B2 (en) | 2012-12-20 | 2016-05-03 | Alcoa Inc. | Knockout for use while necking a metal container, die system for necking a metal container and method of necking a metal container |
CN105039878B (zh) | 2014-04-30 | 2017-11-07 | 美铝美国公司 | 具有高可成形性的铝板和所述铝板制成的铝容器 |
US20150343516A1 (en) * | 2014-05-30 | 2015-12-03 | Anheuser-Busch, Llc | Two iron tool pack for forming tall metal bottle shaped containers |
JP6544111B2 (ja) * | 2015-07-23 | 2019-07-17 | 富士ゼロックス株式会社 | 金型構造 |
US10850584B2 (en) * | 2016-06-07 | 2020-12-01 | Beijingwest Industries Co., Ltd. | Damper housing and a method for manufacturing the damper housing |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3653249A (en) * | 1970-03-17 | 1972-04-04 | Aluminum Co Of America | Drawn and ironed containers |
DE2131343A1 (de) * | 1971-06-24 | 1973-01-11 | Benteler Werke Ag | Verfahren und vorrichtung zum kaltziehen von metallrohren, insbesondere aus stahl |
JPS588924B2 (ja) * | 1974-03-22 | 1983-02-18 | ヨシザキ コウゾウ | イツタイカンセイケイゴ ノ カタヌキオヨウイニスル ホウホウ |
US4223544A (en) * | 1975-09-02 | 1980-09-23 | Standun, Inc. | Die lubricant nozzle for use in can bodymakers and the like |
SU650696A1 (ru) * | 1977-06-07 | 1979-03-05 | Пермский политехнический институт | Штамп дл глубокой выт жки |
JPS57137024A (en) * | 1981-02-19 | 1982-08-24 | Sumitomo Electric Ind Ltd | Die device for drawing |
GB2181082B (en) * | 1985-10-04 | 1990-02-07 | Metal Box Plc | Production of metal cans |
NL8701623A (nl) * | 1987-07-10 | 1989-02-01 | Hoogovens Groep Bv | Werkwijze en inrichting voor het wandstrekken van een eendelig busvormig lichaam, alsmede aldus gevormd lichaam. |
US5020350A (en) * | 1989-06-19 | 1991-06-04 | Aluminum Company Of America | Apparatus and method for lubricating and cooling in a draw and iron press |
FR2668727A1 (fr) * | 1990-11-05 | 1992-05-07 | Pechiney Rhenalu | Dispositif permettant l'extraction aisee de recipients etires et son utilisation. |
-
1992
- 1992-05-04 WO PCT/FR1992/000403 patent/WO1993022079A1/fr not_active Application Discontinuation
- 1992-05-04 EP EP92910886A patent/EP0592461A1/de not_active Withdrawn
- 1992-05-04 US US08/167,957 patent/US5460024A/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9322079A1 * |
Also Published As
Publication number | Publication date |
---|---|
US5460024A (en) | 1995-10-24 |
WO1993022079A1 (fr) | 1993-11-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19940124 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE |
|
17Q | First examination report despatched |
Effective date: 19940902 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19960203 |