JPS61158331U - - Google Patents
Info
- Publication number
- JPS61158331U JPS61158331U JP4125885U JP4125885U JPS61158331U JP S61158331 U JPS61158331 U JP S61158331U JP 4125885 U JP4125885 U JP 4125885U JP 4125885 U JP4125885 U JP 4125885U JP S61158331 U JPS61158331 U JP S61158331U
- Authority
- JP
- Japan
- Prior art keywords
- groove
- rolling
- nodal
- grooves
- steel bar
- 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
- 238000005096 rolling process Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
Landscapes
- Metal Rolling (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Description
第１図は、本考案に係る一実施例のロールの圧
延溝部の展開図、第２図は、そのロールの節溝部
を示す断面図、第３図は節付き棒鋼の一例を示す
平面図、第４図はその棒鋼を圧延する従来ロール
を棒鋼のＡ―Ａ断面部に対応させて示す断面図で
ある。
１０……上ロール、１１……下ロール、１４，
１５……圧延溝、１６，１７……節溝、１６ａ，
１７ａ……巾の広い節溝、１８……マーク凹部。
FIG. 1 is a developed view of a rolling groove of a roll according to an embodiment of the present invention, FIG. 2 is a sectional view showing a knot groove of the roll, and FIG. 3 is a plan view showing an example of a knotted steel bar. FIG. 4 is a sectional view showing a conventional roll for rolling the steel bar, corresponding to the AA cross section of the steel bar. 10...Top roll, 11...Bottom roll, 14,
15... Rolling groove, 16, 17... Node groove, 16a,
17a... Wide node groove, 18... Mark recess.
Claims (1)
、圧延棒鋼の外周に節を付ける半円形状の節溝を
周方向に所定ピツチで対応して設け、さらに、対
のロールのいずれか一方又は双方の任意個所の節
溝間における圧延溝内にマーク転写用のマーク凹
部を設けた節付き棒鋼の圧延用硬質ロールにおい
て、上記マーク凹部を間に挾む節溝の溝巾を他の
節溝の溝巾よりも大きくしたことを特徴とするロ
ール。 A pair of upper and lower rolls having semicircular rolling grooves are provided with semicircular knot grooves corresponding to the circumferential direction at a predetermined pitch for knotting the outer periphery of the rolled steel bar, and further, either one of the pair of rolls or In a hard roll for rolling a knotted steel bar in which a mark recess for mark transfer is provided in the rolling groove between the nodal grooves at an arbitrary location on both sides, the groove width of the nodal groove sandwiching the mark recess is the same as that of the other nodal groove. A roll characterized by having a groove width larger than the width of the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4125885U JPS61158331U (en) | 1985-03-20 | 1985-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4125885U JPS61158331U (en) | 1985-03-20 | 1985-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61158331U true JPS61158331U (en) | 1986-10-01 |
Family
ID=30550915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4125885U Pending JPS61158331U (en) | 1985-03-20 | 1985-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61158331U (en) |
-
1985
- 1985-03-20 JP JP4125885U patent/JPS61158331U/ja active Pending
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