JPS6132382B2 - - Google Patents
Info
- Publication number
- JPS6132382B2 JPS6132382B2 JP4243984A JP4243984A JPS6132382B2 JP S6132382 B2 JPS6132382 B2 JP S6132382B2 JP 4243984 A JP4243984 A JP 4243984A JP 4243984 A JP4243984 A JP 4243984A JP S6132382 B2 JPS6132382 B2 JP S6132382B2
- Authority
- JP
- Japan
- Prior art keywords
- hardness
- roll
- kariba
- dci
- spheroidal graphite
- 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.)
- Expired
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 229910002804 graphite Inorganic materials 0.000 claims description 14
- 239000010439 graphite Substances 0.000 claims description 14
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 22
- 239000000463 material Substances 0.000 description 17
- 229910001567 cementite Inorganic materials 0.000 description 10
- 238000001816 cooling Methods 0.000 description 10
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 10
- 238000005266 casting Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005098 hot rolling Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000005087 graphitization Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Heat Treatment Of Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4243984A JPS59173239A (ja) | 1984-03-05 | 1984-03-05 | 球状黒鉛鋳鉄カリバロ−ル |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4243984A JPS59173239A (ja) | 1984-03-05 | 1984-03-05 | 球状黒鉛鋳鉄カリバロ−ル |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55170707A Division JPS5948849B2 (ja) | 1980-12-02 | 1980-12-02 | 球状黒鉛鋳鉄カリバロ−ルの製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59173239A JPS59173239A (ja) | 1984-10-01 |
| JPS6132382B2 true JPS6132382B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-07-26 |
Family
ID=12636101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4243984A Granted JPS59173239A (ja) | 1984-03-05 | 1984-03-05 | 球状黒鉛鋳鉄カリバロ−ル |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59173239A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5105235B2 (ja) * | 2007-09-25 | 2012-12-26 | 日立金属株式会社 | 金型の焼入れ方法 |
-
1984
- 1984-03-05 JP JP4243984A patent/JPS59173239A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59173239A (ja) | 1984-10-01 |