EP2886215B1 - Method for manufacturing an aluminium profile - Google Patents

Method for manufacturing an aluminium profile Download PDF

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Publication number
EP2886215B1
EP2886215B1 EP14197592.0A EP14197592A EP2886215B1 EP 2886215 B1 EP2886215 B1 EP 2886215B1 EP 14197592 A EP14197592 A EP 14197592A EP 2886215 B1 EP2886215 B1 EP 2886215B1
Authority
EP
European Patent Office
Prior art keywords
profiles
strip
aluminium
profile
manufacturing
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.)
Active
Application number
EP14197592.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2886215A1 (en
Inventor
Petri MÄKELÄ
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.)
Makela Alu Oy
Original Assignee
Makela Alu Oy
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 Makela Alu Oy filed Critical Makela Alu Oy
Publication of EP2886215A1 publication Critical patent/EP2886215A1/en
Application granted granted Critical
Publication of EP2886215B1 publication Critical patent/EP2886215B1/en
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/14—Making other products
    • B21C23/142—Making profiles
    • B21C23/145—Interlocking profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
    • B21C35/02—Removing or drawing-off work
    • B21C35/023—Work treatment directly following extrusion, e.g. further deformation or surface treatment
    • B21C35/026—Removing sections from the extruded work, e.g. removing a strip to create an open profile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/14—Making other products
    • B21C23/142—Making profiles

Definitions

  • the invention relates to a method for manufacturing an aluminium profile, in which method at least two mutually compatible aluminium profiles are extruded at the same time for matching the dimensioning of the profiles and then separated from one another.
  • the above method thus allows a plural number of profiles to be manufactured at the same time.
  • An object of the invention is to provide a significant improvement to the prior art.
  • the method of the invention is characterized in that said at least two mutually compatible aluminium profiles comprise a through-shaped profile with a matching cover, extruded with joining strips between them.
  • Mutually compatible aluminium profiles mean aluminium profiles that fit together when in use. Examples of such profiles include a trough-shaped profile with a matching cover.
  • An advantage of the method of the invention is that, instead of extrusion in several batches, a plural number of mutually compatible aluminium profiles may be extruded at the same time.
  • the extruded aluminium profiles are joined by a narrow strip.
  • No post-modifying (known as post-tolerancing or post-rolling) is needed to fit the compatible pieces together but the dimensions of the pieces become mutually compatible during the extrusion. Also dimensional accuracy is automatically correct.
  • the aluminium profile thus provides the correct tolerance for the location where it is installed.
  • the compatible profiles are interconnected so that their essential dimensions are automatically correct and do not need to be modified afterwards. If the aluminium profiles receive a surface finish, e.g. they are painted at the same time, quality variations between the profiles, such as differences of shade in the paint colour, remain small.
  • an extrusion tool enabling simultaneous manufacturing of a plural number of profiles is needed.
  • the extrusion tool is a mould suitable for manufacturing aluminium profiles on a continuous basis.
  • the extrusion tool is provided with holes designed so that between the compatible profiles, there is formed a narrow strip for detaching the profiles from one another.
  • the raw material for the aluminium profiles may be e.g. mixture EN AW-6060 or EN AW-6063.
  • an aluminium profile is extruded through the extrusion tool at a temperature of about 520 to 560°C. After extrusion, the profile is cooled rapidly so that the profile material remains in a supersatured state. The profile is then artificially aged by applying material-specific aging parameters, which causes precipitation hardening of the material.
  • the completed profiles are sawn to dimension.
  • the profiles may be treated with a surface finish either by anodisation or by powder painting.
  • Cutting methods include a scissor-type or a slashing cut, in which material is not removed as in chipping methods.
  • the advantage of cutting methods is precisely that the material is not removed.
  • breaking methods forces are applied between the profiles to be detached to break the strip without separate chipping or cutting.
  • the breaking force between the profiles may be caused for example by pressing the profiles in a press, rolling them or by wedging them apart.
  • An advantage of breaking methods is that the surface of fracture is blunt. Moreover, the position or dimension of the strip need not be as precise as with chipping or cutting methods.
  • a chipping, cutting or breaking method may be used for detaching aluminium profiles from one another.
  • the choice of the detaching method depends, among other things, on the shape of the aluminium profiles and on how the strips are positioned.
  • a breaking method is particularly advantageous if the strip is positioned so that it cannot be directly reached with a tool.
  • the process of the invention may be carried out in various ways.
  • the entire process may be carried out in one and the same production facility, or different parts of the process may be carried out in separate facilities.
  • An example of how the different parts of the process may be carried out in different production facilities is to have a first facility prepare a product with at least two mutually compatible aluminium profiles joined together by strips between them, a second facility then detaching the individual aluminium profiles from one another.
  • Figure 1 shows a cross-section of a cable conduit 1.
  • the cable conduit 1 comprises a frame part 2, a first cover part 3 and a second cover part 4.
  • the inside of the frame part 2 comprises a number of details for fastening different cables and fittings to the cable conduit. The details may vary depending on the purpose of use, which is why they are not discussed in greater detail here.
  • An extrusion tool is made so that the frame part 2, the first cover part 3 and the second cover part 4 of the cable conduit 1 can be extruded at the same time.
  • Strips A are arranged to be formed to the edges of the first cover part 3 and the second cover part 4 and to continue as uniform areas in the longitudinal direction of the cable conduit 1. At strips A the material is usually substantially thinner than in the frame part 2 or at the cover parts 3, 4.
  • FIG. 2 shows a detail of the cable conduit 1.
  • Strip A joins the frame part 2 and the second cover part 4 together.
  • Figures 3 to 12 show a detail of Figure 2 and how the strip A in the detailed view is detached with the different methods.
  • Figures 3 to 6 show detaching with chipping methods.
  • strip A is cut with an end mill 5, which mills material from strip A in a continuous manner in the longitudinal direction of the aluminium profile as the profile is being fed to the mill 5.
  • strip A is cut similarly as in the situation shown in Figure 3 except that the tool used is a discoid generating hob 6.
  • strip A is cut with a sweep saw 7.
  • strip A is cut with a disk saw 8.
  • Figures 7 and 8 illustrate detaching with cutting methods.
  • strip A is cut with a cutting, freely rotating blade 9.
  • strip A is cut with a cutting knife-like blade 10.
  • Figures 9 to 12 illustrate detaching with breaking methods.
  • strip A is cut by placing the aluminium profile into a press 11 that applies to profile P a force that breaks strip A.
  • strip A is cut by placing profile P into a machine in which a force breaking strip A is applied between the profiles by rolling with a roll 12.
  • strip A is detached by means of a wedge 13.
  • strip A is detached by rolling with a roll 14.
  • the roll 14 rotates against the plate 15, thus causing strip A of the aluminium profile P underneath the plate 15 to break.
  • the method illustrated in Figure 12 is particularly advantageous because in this method the surface to be rolled does not bend.
  • the roll 14 may be stationary, in which case the plate 15 and the aluminium profile move, or the roll 14 may move and the plate 15 and the aluminium profile stay in place.
  • a support to be separately placed inside the profile may be used to avoid deformation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
EP14197592.0A 2013-12-18 2014-12-12 Method for manufacturing an aluminium profile Active EP2886215B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20136287A FI127345B (fi) 2013-12-18 2013-12-18 Menetelmä alumiiniprofiilin valmistamiseksi

Publications (2)

Publication Number Publication Date
EP2886215A1 EP2886215A1 (en) 2015-06-24
EP2886215B1 true EP2886215B1 (en) 2022-08-24

Family

ID=52133845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14197592.0A Active EP2886215B1 (en) 2013-12-18 2014-12-12 Method for manufacturing an aluminium profile

Country Status (3)

Country Link
EP (1) EP2886215B1 (da)
DK (1) DK2886215T3 (da)
FI (1) FI127345B (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109311070A (zh) * 2016-06-09 2019-02-05 戴弗根特技术有限公司 用于弧形件和节点的设计和制造的系统及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2460178A1 (fr) * 1979-07-03 1981-01-23 Gachot Jean Procede pour la fabrication d'un piston et pistons en resultant
JPS58168448A (ja) * 1982-03-31 1983-10-04 Matsushita Electric Works Ltd 把手の製造方法
JPS6257711A (ja) * 1985-09-05 1987-03-13 Sankyo Alum Ind Co Ltd 断熱構造材用アルミニウム形材の製造方法
JPH03254312A (ja) * 1990-02-28 1991-11-13 Showa Alum Corp 開口部を有する寸法精度の高い押出材の製造方法
JPH07132340A (ja) * 1993-11-12 1995-05-23 Toyota Motor Corp 鍛造用素材の製造方法及び鍛造方法
US6119308A (en) * 1998-03-18 2000-09-19 Eastern Metal Supply Of N.C., Inc. Vertical blind extruded track and tilt rod members

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ZHUBIN HE ET AL: "A study on the bending of a trough-shaped profile using a roller and PUR pad", INTERNATIONAL JOURNAL OF MATERIALS AND PRODUCT TECHNOLOGY, vol. 38, no. 2/3, 1 January 2010 (2010-01-01), CH, pages 287, XP055699931, ISSN: 0268-1900, DOI: 10.1504/IJMPT.2010.032105 *

Also Published As

Publication number Publication date
EP2886215A1 (en) 2015-06-24
DK2886215T3 (da) 2022-11-14
FI127345B (fi) 2018-04-13

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