JPS6425699U - - Google Patents
Info
- Publication number
- JPS6425699U JPS6425699U JP12079187U JP12079187U JPS6425699U JP S6425699 U JPS6425699 U JP S6425699U JP 12079187 U JP12079187 U JP 12079187U JP 12079187 U JP12079187 U JP 12079187U JP S6425699 U JPS6425699 U JP S6425699U
- Authority
- JP
- Japan
- Prior art keywords
- sintering jig
- sintered part
- view
- diagram showing
- sintering
- 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
- 238000005245 sintering Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000009770 conventional sintering Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
- Furnace Charging Or Discharging (AREA)
Description
第１図ａおよびｂ、第２図ａおよびｂおよび第
３図ａおよびｂは、本考案の焼結治具の実施例を
示すものであり、各々ａは平面図、ｂは正面図、
第４図は、本考案の焼結治具の使用状態を示す斜
視図、第５図は、突起部位の接触幅角度と外径精
度の関係を示すグラフ、第６図は、突起部位の接
触幅角度の説明図、第７図は、本考案の焼結治具
による焼結部品の形状変化を示す説明図、第８図
は、本考案の別の実施例に係る焼結治具の平面図
、第９図ａおよびｂは、従来技術の焼結治具を示
すものであり、ａは平面図、ｂは縦断面図、第１
０図ａは従来の焼結治具による焼結昇温時の焼結
部品の熱膨張を示す模式図、第１０図ｂは、従来
の焼結治具による焼結降温時の焼結部品の収縮を
示す模式図、第１１図は、従来の焼結治具による
焼結部品の形状変化を示す説明図である。
図中、１，１１，１２……焼結治具、２……突
起部位、３……焼結部品。
Figures 1a and b, Figures 2a and b, and Figure 3a and b show examples of the sintering jig of the present invention, where a is a plan view, b is a front view,
Fig. 4 is a perspective view showing how the sintering jig of the present invention is used, Fig. 5 is a graph showing the relationship between the contact width angle of the protrusion and the outer diameter accuracy, and Fig. 6 is a graph showing the relationship between the contact width angle of the protrusion and the accuracy of the outer diameter. FIG. 7 is an explanatory diagram showing the shape change of a sintered part by the sintering jig of the present invention. FIG. 8 is a plan view of the sintering jig according to another embodiment of the present invention. 9A and 9B show a conventional sintering jig, in which a is a plan view, b is a longitudinal sectional view, and FIG.
Figure 0a is a schematic diagram showing the thermal expansion of a sintered part during sintering temperature rise using a conventional sintering jig, and Figure 10b is a schematic diagram showing the thermal expansion of a sintered part during sintering temperature cooling using a conventional sintering jig. FIG. 11, a schematic diagram showing shrinkage, is an explanatory diagram showing a change in shape of a sintered part by a conventional sintering jig. In the figure, 1, 11, 12...Sintering jig, 2...Protrusion portion, 3...Sintered part.
Claims (1)
を設けたことを特徴とする焼結治具。 A sintering jig characterized by being provided with protruding parts that support a ring-shaped sintered part at three equal points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12079187U JPH0544717Y2 (en) | 1987-08-06 | 1987-08-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12079187U JPH0544717Y2 (en) | 1987-08-06 | 1987-08-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6425699U true JPS6425699U (en) | 1989-02-13 |
| JPH0544717Y2 JPH0544717Y2 (en) | 1993-11-12 |
Family
ID=31367218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12079187U Expired - Lifetime JPH0544717Y2 (en) | 1987-08-06 | 1987-08-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0544717Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0715738U (en) * | 1993-08-31 | 1995-03-17 | 三菱マテリアル株式会社 | Jig for sintering |
| JP2022138519A (en) * | 2021-03-10 | 2022-09-26 | 株式会社ダイヤメット | Method for producing sintered machine component |
-
1987
- 1987-08-06 JP JP12079187U patent/JPH0544717Y2/ja not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0715738U (en) * | 1993-08-31 | 1995-03-17 | 三菱マテリアル株式会社 | Jig for sintering |
| JP2022138519A (en) * | 2021-03-10 | 2022-09-26 | 株式会社ダイヤメット | Method for producing sintered machine component |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0544717Y2 (en) | 1993-11-12 |