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WO2020022984A2 - Procédé de réduction des coûts de rebut pendant le traitement de matériaux en tôle - Google Patents

Procédé de réduction des coûts de rebut pendant le traitement de matériaux en tôle Download PDF

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Publication number
WO2020022984A2
WO2020022984A2 PCT/TR2019/050074 TR2019050074W WO2020022984A2 WO 2020022984 A2 WO2020022984 A2 WO 2020022984A2 TR 2019050074 W TR2019050074 W TR 2019050074W WO 2020022984 A2 WO2020022984 A2 WO 2020022984A2
Authority
WO
WIPO (PCT)
Prior art keywords
blanking
sheet
metals
scrap
cutting
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.)
Ceased
Application number
PCT/TR2019/050074
Other languages
English (en)
Other versions
WO2020022984A3 (fr
Inventor
Adem KARŞI
Original Assignee
Coşkunöz Kalip Maki̇na Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇
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 Coşkunöz Kalip Maki̇na Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ filed Critical Coşkunöz Kalip Maki̇na Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇
Priority to EP19842263.6A priority Critical patent/EP3749468A4/fr
Publication of WO2020022984A2 publication Critical patent/WO2020022984A2/fr
Publication of WO2020022984A3 publication Critical patent/WO2020022984A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/005—Processes combined with methods covered by groups B21D1/00 - B21D31/00 characterized by the material of the blank or the workpiece
    • B21D35/006—Blanks having varying thickness, e.g. tailored blanks
    • 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
    • B21D22/201—Work-pieces; preparation of the work-pieces, e.g. lubricating, coating
    • 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
    • B21D22/203—Deep-drawing of compound articles
    • 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
    • B21D22/22—Deep-drawing with devices for holding the edge of the blanks
    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/06—Making more than one part out of the same blank; Scrapless working
    • 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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
    • B21D39/037—Interlocking butt joints

Definitions

  • the present disclosure is related to sheet blanking method which enables blanking by assembling sheet metals used in the automobiles, airplains, trains and heavy duty vehiles.
  • the present disclosure is particularly related to a sheet blanking method which enable to reduce the costs of scrap metals that cannot be used and to reduce the amount of scrap metal by using them in a process where said scrap metals are obtained as a by product during the cutting process of metals in order to shape sheet metals and/or carry out blanking processes on sheet metals.
  • the present invention is related to a sheet metal blanking method which eliminates the possible disadvantages, provides additional advantages and meets the above mentioned requirements.
  • the main aim of the sheet blanking method subject to the invention is to be able to use the material during the sheet metal forming procces with higher efficiency.
  • the process of blanking is optimized.
  • the parts that are obtained from the scrap area are used as being fitted or welded and they provide support during the processing stage of the part that is to be opened.
  • the desired areas for blanking that are targeted in the stretch draw process preferred in especially the aviation sector can be joined with materials that have the same thickness but are produced from different metals if necessary. By means of high durability sheet metal and the re-usability of this sheet metal, material recovery is obtained.
  • Another aim of the invention is to reduce costs by reducing the amount of scrap by using the material that is formed more efficiently.
  • gain is obtained.
  • the material that is to be discarded as scrap can be used this provides gain in terms of costs.
  • the parts used to be geometrically fitted can be re-used. This re-use also reduces costs. Parts which are produced from different materials in different places can be used with synergy without necessitating special processes to be carried out. Special process costs are also reduced.
  • a sheet metal blanking method which enables to use scrap metals which is obtained when sheet metals are being cut as needed in order to form and/or to blank sheet metals in the process, to reduce scrap metals and the costs due to scrap metals in a process in order to generally reach the aims mentioned above, wherein the method comprises the steps of cutting the part used for blanking comprising the cutting of the edges of the blanking sheet metal produced from a crude layer for sheet metal blanking such that it comprises retaining tabs and tab slots preferably similar to a zip system which continue in a row as joint supports and joint support slots, connecting the blanking edge cut with the blanking part cutting method that has an inverse symmetry such that it is fitted into the additional part, and a fitting method which enables to privide a structure that is durable by means of a retaining tab and a tab slot against the drawing force applied at the horizontal axis.
  • Figure- 1 Schematic view of the sheet blanking method subject to the invention.
  • Figure- 2 Perspective view of the sheet blanking method elements subject to the invention.
  • Figure- 3 Detailed view of the joint line of the sheet metal blanking method subject to the invention.
  • Figure- 4 View of the additional parts used in the sheet metal blanking method subject to the invention.
  • Figure- 5 View of the joint line of the sheet metal blanking method subject to the invention.
  • Figure 1 the schematic view of the sheet blanking method (A) subject to the invention is shown.
  • the invention comprises a sheet metal blanking method (A) related to assembling metal sheets used in the automotive, aviation industry and mass transport vehicles.
  • the sheet metal blanking method (A) is formed of an additional part cutting method (B), blanking part cutting method (C), fitting method (D) and/or an assembly method (E).
  • Material saving is provided by re-using if possible the sections that are defined as blanking edges (12) and pre-scrap (13) that are not a part of the sheet metal (1 1 ) that has been produced to have the desired geometry following cold forming by means of the sheet metal blanking method (A) and by cutting the parts from the desired section.
  • the sheet metal (1 1 ) and blanking edges (12) produced with the sheet metal blanking method (A) can be prepared in a cutting mold or standardized scissors can be used for the joint line (15).
  • FIG 2 the perspective view of the sheet blanking method (A) elements subject to the invention has been shown.
  • the cutting method of the blanking edges (12) of the sheet metal (1 1 ) produced from a crude layer (10) in order to provide said sheet metal blanking has been described in the blanking part cutting method (C).
  • the blanking edges (12) shall be cut preferably according to a zip system such that a joint support (16), joint support slot (17) is formed respectively and repetitively by means of the blanking part cutting method (C).
  • a stucture comprising retaining tabs (18) and tab slots (19) is formed by cutting.
  • the blanking part cutting method (C) is provided by said cutting.
  • the additional part (14) can be obtained from pre-scrap (13) or it can be obtained from any other scrap material from different metals or even a material that is not metal.
  • the additional part (14) is cut to have a structure formed of retaining tabs (18) and tab slots (19) which continue in a row as joint supports (16) and joint support slots (17) respectively.
  • the additional part (14) may have a reverse symmetrical shape of the blanking edge (12) formed by means of a blanking part cutting method (C).
  • the cutting of the additional part (14) forms the additional part cutting method (B) step.
  • the section view of the joint line (15) of the sheet blanking method (A) subject to the invention has been shown in Figure 3.
  • the additional part (14) that has been cut by means of the additional part cutting method (B) which is the inverse symmetry of the blanking edge (12) that has been cut by means of the blanking part cutting method (C) are assembled to each other by fitting.
  • a retaining tab (18) is located on the joint support (16).
  • the retaining tabs (18) are clamped into the retaining tab slots (19) formed inside the joint support slot (17). This type of clamping continues in a row with tabs that fit in and protrude and this process forms the fitting method (D) step.
  • a durable structure is established by means of a retaining tab (18) and a tab slot (19) against the drawing force applied at the horizontal axis (x) by the fitting method (D).
  • the additional part (14) and the blanking edge (12) are connected to each other like the teeth of a zip.
  • a counter force is formed by the interlocking joint support (16) and joint support slots (17) having retaining tabs (18) and retaining tab slots (19) against tensile forces on the horizontal axis (x) that fall onto the joint line (15) during the forming process.
  • the joint support (16) and joint support slots (17) are formed on both the additional part (17) and the blanking edges (12) of the produced sheet metal (1 1 ).
  • the additional part (14) is primarily formed from pre-scrap (13) or metal parts that may be discarded as scrap. Besides this materials that are not metal or cheaper metal materials can be used as additional parts (14).
  • the weakness of the joint line (15) when different metals are used and/or when blanking needs to be carried out in areas except the horizontal axis (x), is desired to be prevented.
  • the joint support (16) and joint support slots (17) on the joint line (15) are fixed to each other preferably by laser welding.
  • Said fixing process that is carried out due to requirements or due to the blanking direction, can be carried out by adhesion or different fixing methods.
  • Said fixing process constitutes the assembly method (E) step.
  • the additional part (14) and the blanking edge (12) are connected to each other completely and fixedly by means of the assembly method (E).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
  • Accessories And Tools For Shearing Machines (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

L'invention concerne un procédé de découpage de tôles (A) qui permet de réduire la ferraille et les coûts de rebut en utilisant dans un procédé de la ferraille qui a été obtenue suite à des procédés de coupe nécessaires afin de former et/ou d'ouvrir des tôles, le procédé comprenant les étapes de coupe de la partie (C) utilisée pour la découpe comprenant la coupe des bords (12) de la tôle découpée (11) produite à partir d'une couche brute (10) pour une découpe de tôle de manière à comprendre des pattes de retenue (18) et des fentes de patte (19) de préférence similaires à un système de fermeture à glissière qui continue dans une rangée en tant que supports d'articulation (16) et fentes de support d'articulation (17), de raccordement du bord de découpage coupé (12), le procédé de coupe de partie de découpage (C) présentant une symétrie inverse pour son ajustement dans la partie supplémentaire (14), par un procédé d'ajustement (D) qui permet d'obtenir une structure qui est durable au moyen de pattes de retenue (18) et de fentes de patte (19) contre la force de traction appliquée au niveau de l'axe horizontal (x).
PCT/TR2019/050074 2018-02-08 2019-02-07 Procédé de réduction des coûts de rebut pendant le traitement de matériaux en tôle Ceased WO2020022984A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19842263.6A EP3749468A4 (fr) 2018-02-08 2019-02-07 Procédé de réduction des coûts de rebut pendant le traitement de matériaux en tôle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2018/01805 2018-02-08
TR2018/01805A TR201801805A2 (tr) 2018-02-08 2018-02-08 Sac Metal Malzemelerin İşlenmesinde Hurda Maliyetinin Azaltılmasını Sağlayan Yöntem

Publications (2)

Publication Number Publication Date
WO2020022984A2 true WO2020022984A2 (fr) 2020-01-30
WO2020022984A3 WO2020022984A3 (fr) 2020-03-19

Family

ID=67980816

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2019/050074 Ceased WO2020022984A2 (fr) 2018-02-08 2019-02-07 Procédé de réduction des coûts de rebut pendant le traitement de matériaux en tôle

Country Status (3)

Country Link
EP (1) EP3749468A4 (fr)
TR (1) TR201801805A2 (fr)
WO (1) WO2020022984A2 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5604044A (en) * 1992-12-28 1997-02-18 Mccabe; Charles J. Blanks for sheet material forming process
JP2003160814A (ja) * 2001-11-26 2003-06-06 Tomohiro Honma 積層金属板の再利用方法
US20050183487A1 (en) * 2004-02-20 2005-08-25 Saab Automobile Ab Sheet metal section
US7922067B2 (en) * 2006-10-17 2011-04-12 GM Global Technology Operations LLC Tailor welded blank assembly and method

Also Published As

Publication number Publication date
TR201801805A2 (tr) 2018-04-24
EP3749468A4 (fr) 2021-03-17
WO2020022984A3 (fr) 2020-03-19
EP3749468A2 (fr) 2020-12-16

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