JPH03111437U - - Google Patents
Info
- Publication number
- JPH03111437U JPH03111437U JP1854890U JP1854890U JPH03111437U JP H03111437 U JPH03111437 U JP H03111437U JP 1854890 U JP1854890 U JP 1854890U JP 1854890 U JP1854890 U JP 1854890U JP H03111437 U JPH03111437 U JP H03111437U
- Authority
- JP
- Japan
- Prior art keywords
- die
- ironing
- inner diameter
- ironing die
- thin wall
- 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
- 238000010409 ironing Methods 0.000 claims description 11
- 238000003754 machining Methods 0.000 claims 2
- 235000000396 iron Nutrition 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Forging (AREA)
Description
第１図は、この実施例のしごき金型によつてし
ごき加工を行なつている状態を示す断面正面図、
第２図は同じく薄肉部Ｕをしごき加工している状
態を示す断面正面図、第３図は加工時のしごきダ
イスの変形状態を示す模式図、第４図は別のワー
クの形状例を示す断面図、第５図は従来のしごき
金型により加工したワークの断面図である。
１１……しごき金型、１２……下型、１３……
補強リング、１４……しごきダイス、１４ａ……
ランド部、１５……上型、１６……上型パンチ、
１６ａ……段部、１７……油圧シリンダ、１８…
…ピストン、１９……ストリツパ、２０……テー
パリング、２１……スペーサ、Ｗ……ワーク、Ａ
……厚肉部、Ｕ……薄肉部。
FIG. 1 is a cross-sectional front view showing a state in which ironing is being performed using the ironing mold of this embodiment;
Fig. 2 is a cross-sectional front view showing the state in which the thin-walled part U is being ironed, Fig. 3 is a schematic diagram showing the deformation state of the ironing die during processing, and Fig. 4 is an example of the shape of another workpiece. Cross-sectional view, FIG. 5 is a cross-sectional view of a workpiece processed by a conventional ironing die. 11...Icing mold, 12...Lower mold, 13...
Reinforcement ring, 14...Stringing die, 14a...
Land part, 15... upper die, 16... upper die punch,
16a...Step part, 17...Hydraulic cylinder, 18...
... Piston, 19 ... Stripper, 20 ... Taper ring, 21 ... Spacer, W ... Work, A
... Thick walled part, U... Thin walled part.
Claims (1)
ダイスにワークを圧入する上型パンチとを有し、
厚肉部と薄肉部との境界部分の内径に段差を有す
る円筒形のワークをしごき加工する内径段付き部
品加工用しごき金型において、前記ワークの薄肉
部側をしごき加工する際に、しごきダイスを半径
方向外方に押圧して内径を所定量弾性的に拡大さ
せる手段を備えていることを特徴とする内径段付
き部品加工用しごき金型。 It has an ironing die fixed to the lower die and an upper die punch for press-fitting the work into the ironing die,
In an ironing die for machining a part with an inner diameter step, which irons a cylindrical workpiece that has a step on the inner diameter at the boundary between a thick wall part and a thin wall part, the ironing die is used when ironing the thin wall side of the workpiece. 1. An ironing die for machining parts with a stepped inner diameter, characterized in that the ironing die is equipped with means for elastically expanding the inner diameter by a predetermined amount by pressing outward in the radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1854890U JPH03111437U (en) | 1990-02-26 | 1990-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1854890U JPH03111437U (en) | 1990-02-26 | 1990-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03111437U true JPH03111437U (en) | 1991-11-14 |
Family
ID=31521705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1854890U Pending JPH03111437U (en) | 1990-02-26 | 1990-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03111437U (en) |
-
1990
- 1990-02-26 JP JP1854890U patent/JPH03111437U/ja active Pending
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