JPH01136397U - - Google Patents
Info
- Publication number
- JPH01136397U JPH01136397U JP2460888U JP2460888U JPH01136397U JP H01136397 U JPH01136397 U JP H01136397U JP 2460888 U JP2460888 U JP 2460888U JP 2460888 U JP2460888 U JP 2460888U JP H01136397 U JPH01136397 U JP H01136397U
- Authority
- JP
- Japan
- Prior art keywords
- furnace shell
- temperature
- furnace
- comparison
- heat
- 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
- 238000010438 heat treatment Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 229910002804 graphite Inorganic materials 0.000 claims 1
- 239000010439 graphite Substances 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 238000005245 sintering Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
Description
第１図から第３図にかけては本考案にかかる熱
処理炉の一実施例の説明図であつて、第１図は真
空焼結炉の簡略構成を併せて示す炉殻の部分断面
図、第２図は、真空焼結炉の炉蓋部分における一
部切欠斜視図、第３図は炉殻と炉蓋との連結機構
を示す分解斜視図である。
１０…炉殻、２０…炉蓋、４０…断熱壁、６０
…温度測定センサ、７０…温度設定器、８０…イ
ンターロツク機構。
1 to 3 are explanatory diagrams of one embodiment of the heat treatment furnace according to the present invention, in which FIG. 1 is a partial cross-sectional view of the furnace shell, also showing a simplified configuration of the vacuum sintering furnace, and FIG. The figure is a partially cutaway perspective view of the furnace lid portion of the vacuum sintering furnace, and FIG. 3 is an exploded perspective view showing the connection mechanism between the furnace shell and the furnace lid. 10... Furnace shell, 20... Furnace cover, 40... Insulating wall, 60
...Temperature measurement sensor, 70...Temperature setting device, 80...Interlock mechanism.
Claims (1)
り、前記炉殻の開閉扉を介して挿入された被処理
物を真空又はガス雰囲気の下で熱処理する熱処理
炉において、前記炉殻の内部温度を検出する温度
検出器と、温度検出器の検出結果と予め設定され
た前記断熱壁の酸化安全温度とを比較する比較判
定部と、前記開閉扉を前記炉殻に対してインター
ロツクするとともに、前記比較判定部の比較結果
に応じてロツク解除するインターロツク機構とを
具備することを特徴とする熱処理炉。 In a heat treatment furnace in which a heat insulating wall made of graphite is provided inside the furnace shell, and a workpiece inserted through an opening/closing door of the furnace shell is heat-treated in a vacuum or gas atmosphere, the internal temperature of the furnace shell is a temperature detector for detecting the temperature, a comparison determination unit for comparing the detection result of the temperature detector with a preset oxidation safety temperature of the heat insulating wall, and interlocking the opening/closing door with the furnace shell; A heat treatment furnace characterized by comprising an interlock mechanism that releases the lock according to the comparison result of the comparison/judgment section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2460888U JPH0522795Y2 (en) | 1988-02-25 | 1988-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2460888U JPH0522795Y2 (en) | 1988-02-25 | 1988-02-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01136397U true JPH01136397U (en) | 1989-09-19 |
| JPH0522795Y2 JPH0522795Y2 (en) | 1993-06-11 |
Family
ID=31244598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2460888U Expired - Lifetime JPH0522795Y2 (en) | 1988-02-25 | 1988-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0522795Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009113621A1 (en) * | 2008-03-12 | 2009-09-17 | 株式会社Ihi | Single chamber vacuum heat treating furnace and method of preventing oxidation of article to be treated in single chamber vacuum heat treating furnace |
-
1988
- 1988-02-25 JP JP2460888U patent/JPH0522795Y2/ja not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009113621A1 (en) * | 2008-03-12 | 2009-09-17 | 株式会社Ihi | Single chamber vacuum heat treating furnace and method of preventing oxidation of article to be treated in single chamber vacuum heat treating furnace |
| JP2009216344A (en) * | 2008-03-12 | 2009-09-24 | Ihi Corp | Single chamber type vacuum heat treatment furnace and oxidation preventing method for treatment item in single chamber type vacuum heat treatment furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0522795Y2 (en) | 1993-06-11 |