JPH0276693U - - Google Patents
Info
- Publication number
- JPH0276693U JPH0276693U JP15278488U JP15278488U JPH0276693U JP H0276693 U JPH0276693 U JP H0276693U JP 15278488 U JP15278488 U JP 15278488U JP 15278488 U JP15278488 U JP 15278488U JP H0276693 U JPH0276693 U JP H0276693U
- Authority
- JP
- Japan
- Prior art keywords
- upper punch
- powder
- powder compact
- forms
- punch body
- 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.)
- Granted
Links
- 239000000843 powder Substances 0.000 claims description 8
Landscapes
- Powder Metallurgy (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図と第３図は対象となる圧粉体の一例を示すもの
で、第２図は断面図、第３図は下面図、第４図と
第５図は従来の粉末成形装置を示すもので、第４
図は断面図、第５図は要部断面図、第６図は圧粉
体に生じた剥離現象の一例を示す断面図、第７図
は圧粉体に生じた剥離現象の他の一例を示す断面
図である。
１……圧粉体、１ｅ……下面（一方の面）、１
ｆ……凹所、１ｇ……上面（他方の面）、２……
ダイス、２ａ……透孔、８……下パンチ、２０…
…上パンチ、２１……第１上パンチ体、２２……
第２上パンチ体、２２ａ……抜き勾配またはアー
ル部。
Fig. 1 is a sectional view showing one embodiment of the present invention;
Figures 4 and 3 show an example of the target compacted powder, with Figure 2 being a cross-sectional view, Figure 3 being a bottom view, and Figures 4 and 5 showing conventional powder compacting equipment. , 4th
The figure is a sectional view, Figure 5 is a sectional view of the main part, Figure 6 is a sectional view showing an example of a peeling phenomenon that occurs in a green compact, and Figure 7 is another example of a peeling phenomenon that occurs in a green compact. FIG. 1...Powder compact, 1e...Bottom surface (one side), 1
f...Recess, 1g...Top surface (other surface), 2...
Dice, 2a...Through hole, 8...Lower punch, 20...
...Upper punch, 21...First upper punch body, 22...
Second upper punch body, 22a...draft angle or rounded portion.
Claims (1)
込んで、一方の面に凹所が形成された圧粉体を成
形する粉末成形装置において、 前記上パンチを、前記圧粉体の他方の面の、前
記凹所に対応する部位を形成する第１上パンチ体
と、前記部位以外の圧粉体の他方の面を形成する
第２上パンチ体とに分割し、この第２上パンチ体
の、前記第１上パンチと接する縁部に抜き勾配ま
たはアール部を形成したことを特徴とする粉末成
形装置。[Claims for Utility Model Registration] In a powder compacting device that molds a powder compact with a recess formed on one surface by fitting an upper punch and a lower punch into a through hole of a die, the upper punch is , the other surface of the powder compact is divided into a first upper punch body that forms a part corresponding to the recess, and a second upper punch body that forms the other surface of the powder compact other than the part A powder compacting apparatus characterized in that a draft angle or a rounded portion is formed at an edge of the second upper punch body that contacts the first upper punch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988152784U JPH0726071Y2 (en) | 1988-11-24 | 1988-11-24 | Mold for powder molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988152784U JPH0726071Y2 (en) | 1988-11-24 | 1988-11-24 | Mold for powder molding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0276693U true JPH0276693U (en) | 1990-06-12 |
| JPH0726071Y2 JPH0726071Y2 (en) | 1995-06-14 |
Family
ID=31428024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988152784U Expired - Lifetime JPH0726071Y2 (en) | 1988-11-24 | 1988-11-24 | Mold for powder molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0726071Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015003331A (en) * | 2013-06-21 | 2015-01-08 | 住友電工焼結合金株式会社 | Mold for powder molding, and manufacturing method of powder compact |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5752298U (en) * | 1980-09-11 | 1982-03-26 |
-
1988
- 1988-11-24 JP JP1988152784U patent/JPH0726071Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5752298U (en) * | 1980-09-11 | 1982-03-26 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015003331A (en) * | 2013-06-21 | 2015-01-08 | 住友電工焼結合金株式会社 | Mold for powder molding, and manufacturing method of powder compact |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0726071Y2 (en) | 1995-06-14 |