JPS5662734A - Manufacture of rack - Google Patents
Manufacture of rackInfo
- Publication number
- JPS5662734A JPS5662734A JP13908279A JP13908279A JPS5662734A JP S5662734 A JPS5662734 A JP S5662734A JP 13908279 A JP13908279 A JP 13908279A JP 13908279 A JP13908279 A JP 13908279A JP S5662734 A JPS5662734 A JP S5662734A
- Authority
- JP
- Japan
- Prior art keywords
- rack
- rack teeth
- manufactured
- teeth
- variable
- 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.)
- Pending
Links
Landscapes
- Forging (AREA)
Abstract
PURPOSE: To manufacture easily and in quantity even linear or variable-ratio racks by applying a process forging rack teeth and a process for forging the teeth so as to provide the same form with that of the rack teeth to be manufactured.
CONSTITUTION: First a round bar material having a prescribed diameter is cut in a prescribed length by a cutting process, whereby a rack material 12 is obtained. Upper and lower dies 10 and 11 have the forms whereby the material 12 can be forged to have a form approximate to the one of the variable-ratio rack to be manufactured finally. And the lower die 11 has tooth-die parts 11a and 11b for forming the rack teeth 3a and 3b. Moreover, the forms of the rack teeth 3a and 3b are constituted in such a manner that the final rack teeth of the variable-ratio rack 2 to be manufactured and tilt surfaces 2a thereof can be forged thereby. Accordingly, this cold forging, the substantial rack teeth 3a and 3b can be manufactured easily and in quantity.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13908279A JPS5662734A (en) | 1979-10-27 | 1979-10-27 | Manufacture of rack |
| DE19803039010 DE3039010C2 (en) | 1979-10-27 | 1980-10-15 | Method for producing a rack with a Y-cross section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13908279A JPS5662734A (en) | 1979-10-27 | 1979-10-27 | Manufacture of rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5662734A true JPS5662734A (en) | 1981-05-28 |
Family
ID=15237056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13908279A Pending JPS5662734A (en) | 1979-10-27 | 1979-10-27 | Manufacture of rack |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5662734A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58128242A (en) * | 1982-01-25 | 1983-07-30 | ツア−ンラトフアブリク・フリ−トリツヒシヤフエン・アクチエンゲゼルシヤフト | Rack producing method and apparatus |
| US7225541B2 (en) * | 2003-10-07 | 2007-06-05 | Chiaki Kubota | Method for producing hollow rack bar |
| JP2009280199A (en) * | 2008-04-23 | 2009-12-03 | Neturen Co Ltd | Rack bar and steering device |
-
1979
- 1979-10-27 JP JP13908279A patent/JPS5662734A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58128242A (en) * | 1982-01-25 | 1983-07-30 | ツア−ンラトフアブリク・フリ−トリツヒシヤフエン・アクチエンゲゼルシヤフト | Rack producing method and apparatus |
| JPH0428454B2 (en) * | 1982-01-25 | 1992-05-14 | Tsuaanraatofuaburiiku Furiidoritsuhisuhaafuen Ag | |
| US7225541B2 (en) * | 2003-10-07 | 2007-06-05 | Chiaki Kubota | Method for producing hollow rack bar |
| JP2009280199A (en) * | 2008-04-23 | 2009-12-03 | Neturen Co Ltd | Rack bar and steering device |
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