IT1250536B - Method for making wheel hubs of automobiles - Google Patents
Method for making wheel hubs of automobilesInfo
- Publication number
- IT1250536B IT1250536B ITTO910982A ITTO910982A IT1250536B IT 1250536 B IT1250536 B IT 1250536B IT TO910982 A ITTO910982 A IT TO910982A IT TO910982 A ITTO910982 A IT TO910982A IT 1250536 B IT1250536 B IT 1250536B
- Authority
- IT
- Italy
- Prior art keywords
- semifinished piece
- cylindrical
- semifinished
- piece
- wheel hubs
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000004080 punching Methods 0.000 abstract 1
Landscapes
- Forging (AREA)
Abstract
A method for making wheel hubs of automobiles comprises the operations of - feeding a preheated cylindrical element to a horizontal forge having at least four consecutive stations to produce in sequence - a rough cylindrical blank 10, having a first circular cylindrical portion 10a connected to a second circular cylindrical stem portion 10b of diameter less than the first 10a, - a first semifinished piece 20 in which the first portion 10a of the rough cylindrical blank 10 is shaped in order to define a flange portion 20a adjacent to the stem portion 20c and a crown portion 20b opposite the stem portion 20c and having a bottom wall 27 provided with a central circular depression 29, - a second semifinished piece 30 in which the flange portion 20a of the first semifinished piece 20 is reduced in thickness and has a diameter larger than that of the first semifinished piece 20, and in which the central circular depression 32 of the crown portion 20b is deepened, and - a third semifinished piece 40 in which a central continuous hole 42 is produced by punching from the central circular depression 32 of the second semifinished piece 30. <IMAGE>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO910982A IT1250536B (en) | 1991-12-13 | 1991-12-13 | Method for making wheel hubs of automobiles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO910982A IT1250536B (en) | 1991-12-13 | 1991-12-13 | Method for making wheel hubs of automobiles |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO910982A0 ITTO910982A0 (en) | 1991-12-13 |
ITTO910982A1 ITTO910982A1 (en) | 1993-06-14 |
IT1250536B true IT1250536B (en) | 1995-04-08 |
Family
ID=11409790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITTO910982A IT1250536B (en) | 1991-12-13 | 1991-12-13 | Method for making wheel hubs of automobiles |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1250536B (en) |
-
1991
- 1991-12-13 IT ITTO910982A patent/IT1250536B/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
ITTO910982A0 (en) | 1991-12-13 |
ITTO910982A1 (en) | 1993-06-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19941230 |