DE810866C - Process for the production of stamped and deep drawn parts from sheet metal or strip - Google Patents
Process for the production of stamped and deep drawn parts from sheet metal or stripInfo
- Publication number
- DE810866C DE810866C DEP14943A DEP0014943A DE810866C DE 810866 C DE810866 C DE 810866C DE P14943 A DEP14943 A DE P14943A DE P0014943 A DEP0014943 A DE P0014943A DE 810866 C DE810866 C DE 810866C
- Authority
- DE
- Germany
- Prior art keywords
- stamped
- production
- sheet metal
- strip
- drawn parts
- 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.)
- Expired
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000000034 method Methods 0.000 title claims description 9
- 229910052751 metal Inorganic materials 0.000 title claims description 7
- 239000002184 metal Substances 0.000 title claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- OKZBMZSWWUKGKO-UHFFFAOYSA-L zinc hydrogen phosphate nitric acid Chemical compound P(=O)([O-])([O-])O.[N+](=O)(O)[O-].[Zn+2] OKZBMZSWWUKGKO-UHFFFAOYSA-L 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
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
- B21D22/201—Work-pieces; preparation of the work-pieces, e.g. lubricating, coating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Treatment Of Metals (AREA)
Description
Verfahren zur Herstellung von Stanz- und Tiefziehteilen aus Metallblech oder-band Es ist ein Verfahren vorgeschlagen worden zur Herstellung von Eisen- und Stahlkleinteilen aus Draht oder Stangenmaterial, bei dem das warmgewalzte Ausgangsmaterial vor dem letzten Kaltzug mit einer fest verwachsenen, dichten und gleichmäßigen Kristallschicht von Oxyden oder Salzen, insbesondere mit einer Phosphatschicht überzogen wird. Dieses Verfahren wird beispielsweise so ausgeübt, daß der `'Falzdraht vor dem Egalisieren phosphatiert wird, wonach der egalisierte Draht in Abschnitte der nötigen Länge geteilt und in den üblichen Arbeitsgängen, beispielsweise bei der Stahlschraubenherstellung, der Stift reduziert, der Kopf angestaucht und nachfolgend das Gewinde eingewalzt wird. Falls bei diesem Verfahren zur notwendigen Querschnittsverminderung das Vormaterial mehrere Kaltzüge erfährt, wird das gewählte Oberflächenverfahren mindestens vor dem letzten Kaltzug eingeschaltet. Auch die vorangehenden Kaltzüge können in bekannter Weise durch Phosphatierung u. dgl. erleichtert werden.Process for the production of stamped and deep-drawn parts from sheet metal or-band There has been proposed a method for producing iron and steel Small steel parts made of wire or bar material, in which the hot-rolled raw material before the last cold draw with a firmly grown, dense and even crystal layer is coated with oxides or salts, especially with a phosphate layer. This For example, the procedure is carried out in such a way that the '' folding wire is leveled out is phosphated, after which the leveled wire is cut into sections of the necessary length divided and in the usual operations, for example in the production of steel screws, the pin is reduced, the head is upset and the thread is then rolled in will. If this is the case for the necessary cross-section reduction, the primary material undergoes several cold pulls, the selected surface process is at least preferred switched on after the last cold draft. The previous cold trains can also be used in a known manner Way can be facilitated by phosphating and the like.
Dieses Verfahren soll allgemein angewendet werden bei der Herstellung von Eisen- und Stahlkleinteilen aus Draht oder Stangenmaterial, beispielsweise bei der Herstellung von Stahlschrauben, beim Tiefziehen von Hohlkörpern, Kaltpressen von Muttern, Kaltschlagen von Drahtstiften und Nieten und anderen Preß- oder Ziehteilen.This method is intended to be used generally in manufacturing of small iron and steel parts made of wire or rod material, for example at the production of steel screws, deep drawing of hollow bodies, cold pressing of nuts, cold hammering of wire pins and rivets and other pressed or drawn parts.
Es wurde nun festgestellt, daß eine vorverformte Phosphatschicht sich auch günstig auswirkt bei der Herstellung von Stanz- und Tiefziehteilen aus Metallblech oder -band, und zwar sowohl aus Eisen und Stahl als auch aus verzinktem Eisen- und Stahlblech und aus solchem aus Aluminium und Al-Legierungen. In diesem Fall werden die nahezu auf Endstärke gewalzten Bleche oder Bänder mit einer fest verwachsenen Phosphatschicht versehen und erfahren danach eine weitere Kaltverformung. Diese Verformung kann beispielsweise durch einen Egalisierzug oder ein Richtwalzen erfolgen. Auf diese Weise vorbereitetes Material wird dann zugeschnitten und der eigentlichen Formgebung zu Stanz- oder Tiefziehteilen unterzogen. Die erfindungsgemäße Vorbehandlung eignet sich beispielsweise für die Umformung von Feinblechen (Tafelblech oder Bands material) zu Hohlkörpern durch Tiefziehen.It has now been found that a pre-deformed phosphate layer is also has a beneficial effect in the production of stamped and deep-drawn parts from sheet metal or strip, both of iron and steel and of galvanized iron and Sheet steel and those made of aluminum and Al alloys. In In this case, the sheets or strips rolled almost to their final thickness with a provided with a firmly overgrown phosphate layer and then undergo further cold deformation. This deformation can be achieved, for example, by leveling or straightening rollers take place. Material prepared in this way is then cut to size and the subjected to actual shaping to form stamped or deep-drawn parts. The inventive Pretreatment is suitable, for example, for forming thin sheet metal (sheet metal or bands material) to hollow bodies by deep drawing.
Das Verfahren kann auch so durchgeführt werden, daß aus dem gewalzten Material Zuschnitte geschnitten werden, die phosphatiert werden, worauf der Zuschnitt einen Egalisierzug oder Walzstich erfährt und dann beispielsweise durch Tiefziehen weiterverarbeitet wird.The process can also be carried out so that from the rolled Material blanks are cut, which are phosphated, whereupon the blank experiences a leveling pull or roll pass and then, for example, by deep drawing is further processed.
Die Phosphatierung wird vorzugsweise mit Kurzphosphatierungsverfahren unter Verwendung von Zinkphosphatlösungen vorgenommen, beispielsweise mit nitrathaltigen Zinkphosphatlösungen.The phosphating is preferably carried out using short phosphating processes made using zinc phosphate solutions, for example with nitrate Zinc phosphate solutions.
Mit dem Verfahren gemäß Erfindung können Stanz- oder Tiefziehteile aller Art aus phosphatierbaren Blechen hergestellt werden, und zwar sowohl Kleinteile als auch größere Gegenstände, an denen Verformungen durch Stanzen, Tiefziehen, Drücken oder Pressen vorzunehmen sind. Die Herstellung von Scheinwerfergehäusen wird beispielsweise erfindungsgemäß so vorgenommen, daß das Blechmaterial zunächst phosphatiert wird. Es erfährt dann noch einen Walzstich, beispielsweise Egalisierstich. Es ist auch möglich, daß die Phosphatierung vor den letzten Kaltzug des Bleches gelegt wird, wenn dieser nicht so stark ist, daß die Phosphatschicht über die beabsichtigte Glättung hinaus beansprucht wird. Dann erfolgt die Formgebung zu Scheinwerfergehäusen in der üblichen Weise.With the method according to the invention, stamped or deep-drawn parts of all kinds are made of phosphatizable sheet metal, both small parts as well as larger objects that are deformed by punching, deep drawing, pressing or pressing are to be carried out. The manufacture of headlight housings is for example made according to the invention so that the sheet material is first phosphated. It then undergoes a rolling pass, for example an equalizing pass. It is also possible that the phosphating is done before the last cold drawing of the sheet, if this is not so strong that the phosphate layer over the intended smoothing beyond is claimed. Then the headlight housings are shaped in the usual way.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP14943A DE810866C (en) | 1948-10-02 | 1948-10-02 | Process for the production of stamped and deep drawn parts from sheet metal or strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP14943A DE810866C (en) | 1948-10-02 | 1948-10-02 | Process for the production of stamped and deep drawn parts from sheet metal or strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE810866C true DE810866C (en) | 1951-08-13 |
Family
ID=7365419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEP14943A Expired DE810866C (en) | 1948-10-02 | 1948-10-02 | Process for the production of stamped and deep drawn parts from sheet metal or strip |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE810866C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE964138C (en) * | 1954-06-12 | 1957-05-16 | Bosch Gmbh Robert | Process and punch for deep drawing sheet metal |
| DE19618065A1 (en) * | 1996-05-06 | 1997-11-13 | Schaeffler Waelzlager Kg | Process for the production of moldings |
-
1948
- 1948-10-02 DE DEP14943A patent/DE810866C/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE964138C (en) * | 1954-06-12 | 1957-05-16 | Bosch Gmbh Robert | Process and punch for deep drawing sheet metal |
| DE19618065A1 (en) * | 1996-05-06 | 1997-11-13 | Schaeffler Waelzlager Kg | Process for the production of moldings |
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