JPS5592203A - Skin pass rolling method of cold rolled steel plate - Google Patents
Skin pass rolling method of cold rolled steel plateInfo
- Publication number
- JPS5592203A JPS5592203A JP16281078A JP16281078A JPS5592203A JP S5592203 A JPS5592203 A JP S5592203A JP 16281078 A JP16281078 A JP 16281078A JP 16281078 A JP16281078 A JP 16281078A JP S5592203 A JPS5592203 A JP S5592203A
- Authority
- JP
- Japan
- Prior art keywords
- roughness
- ppi
- crests
- steel plate
- skin pass
- 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
- 210000003491 Skin Anatomy 0.000 title abstract 3
- 238000005096 rolling process Methods 0.000 title abstract 3
- 239000010960 cold rolled steel Substances 0.000 title abstract 2
- 229920000333 poly(propyleneimine) Polymers 0.000 abstract 4
- 230000003746 surface roughness Effects 0.000 abstract 3
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 238000000137 annealing Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000005097 cold rolling Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Abstract
PURPOSE: To improve coating finish appearance and press workability by subjecting the steel plate, which has undergone cold rolling and annealing, to skin pass rolling with the dull rolls in which the surface roughness (μRa) of roll and the number of crests (PPI) have been controlled to the specific conditions.
CONSTITUTION: The annealed plate which has been produced through cold rolled steel plate production process is subjected to skin pass rolling by using the dull rolls having been controlled to the undermentioned conditions. I.e., the surface roughness (μRa) of the roll and the number of crests (PPI) to PPI (cut-off level 1.20W1.30μRa) ≥290-30×(μRa). Here, the unit Ra of the roll surface roughness is the mean roughness at the centerline, the unit PPI of the number of crests is the number of crests per inch length and the cut-off level is the peak of each crest for determining the roughness having been cut to a fixed height level.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16281078A JPS5934441B2 (en) | 1978-12-29 | 1978-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16281078A JPS5934441B2 (en) | 1978-12-29 | 1978-12-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5592203A true JPS5592203A (en) | 1980-07-12 |
| JPS5934441B2 JPS5934441B2 (en) | 1984-08-22 |
Family
ID=15761645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16281078A Expired JPS5934441B2 (en) | 1978-12-29 | 1978-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5934441B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60133905A (en) * | 1983-12-23 | 1985-07-17 | Sumitomo Metal Ind Ltd | Cold-rolled steel sheet excellent in coating appearance and its manufacture |
| JPS61162306U (en) * | 1985-03-29 | 1986-10-08 | ||
| US5105586A (en) * | 1989-07-21 | 1992-04-21 | The Yokohama Rubber Co., Ltd. | Abrading tool and method of manufacture |
-
1978
- 1978-12-29 JP JP16281078A patent/JPS5934441B2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60133905A (en) * | 1983-12-23 | 1985-07-17 | Sumitomo Metal Ind Ltd | Cold-rolled steel sheet excellent in coating appearance and its manufacture |
| JPS61162306U (en) * | 1985-03-29 | 1986-10-08 | ||
| US5105586A (en) * | 1989-07-21 | 1992-04-21 | The Yokohama Rubber Co., Ltd. | Abrading tool and method of manufacture |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5934441B2 (en) | 1984-08-22 |
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