JPS61158332U - - Google Patents
Info
- Publication number
- JPS61158332U JPS61158332U JP4125985U JP4125985U JPS61158332U JP S61158332 U JPS61158332 U JP S61158332U JP 4125985 U JP4125985 U JP 4125985U JP 4125985 U JP4125985 U JP 4125985U JP S61158332 U JPS61158332 U JP S61158332U
- Authority
- JP
- Japan
- Prior art keywords
- depth
- edge
- roll
- center
- mark
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 description 1
Description
第１図は、本考案に係る圧延用ロールの一実施
例の要部を示す断面図、第２図は、節付き棒鋼の
一例を示す平面図、第３図は、その棒溝を圧延す
る従来のロールを棒鋼のＡ―Ａ断面部に対応させ
て切断した状態の要部断面図である。
１０……上ロール、１１……下ロール、１２，
１３……外周面、１４，１５……圧延溝、１６，
１７……節溝、１８……マーク凹部。
FIG. 1 is a cross-sectional view showing the essential parts of an embodiment of a rolling roll according to the present invention, FIG. 2 is a plan view showing an example of a knotted steel bar, and FIG. 3 is a cross-sectional view showing an example of a knotted steel bar, and FIG. FIG. 2 is a cross-sectional view of a main part of a conventional roll cut in accordance with the AA cross section of a steel bar. 10...Top roll, 11...Bottom roll, 12,
13...Outer peripheral surface, 14, 15...Rolled groove, 16,
17... Node groove, 18... Mark recess.
Claims (1)
ルに、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、上記マーク凹部の
深さを中央部から端縁部に向かつて次第に浅くし
たことを特徴とするロール。 (2) 上記マーク凹部の中央部と端縁部の深さの
比を、中央部深さをＨ１マーク凹部端縁面の実寸
をＨ２端縁部深さをＨ３としたとき、０．１×Ｈ
１≦Ｈ２≦１．０×Ｈ１又は０．１×Ｈ１≦Ｈ３
≦０．８Ｈ１の式を満足する範囲に設定したこと
を特徴とする実用新案登録請求の範囲第(1)項記
載のロール。[Scope of Claim for Utility Model Registration] (1) A pair of upper and lower rolls having semicircular rolling grooves are provided with semicircular knot grooves for knotting the outer periphery of a rolled steel bar at a predetermined pitch in the circumferential direction. Further, in a hard roll for rolling a knotted steel bar in which a mark recess for mark transfer is provided in the rolling groove of one or both of the pair of rolls, the depth of the mark recess is changed from the center to the edge. A roll characterized by gradually becoming shallower towards the end. (2) The ratio of the depth between the center and edge of the mark recess is 0 when the center depth is H1 , the actual size of the mark recess edge surface is H2, and the edge depth is H3 . .1×H
1 ≦H 2 ≦1.0×H 1 or 0.1×H 1 ≦H 3
≦0.8H The roll according to claim (1) of claim 1 , wherein the roll is set within a range that satisfies the formula: ≦0.8H1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985041259U JPH0438881Y2 (en) | 1985-03-20 | 1985-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985041259U JPH0438881Y2 (en) | 1985-03-20 | 1985-03-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61158332U true JPS61158332U (en) | 1986-10-01 |
| JPH0438881Y2 JPH0438881Y2 (en) | 1992-09-11 |
Family
ID=30550917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985041259U Expired JPH0438881Y2 (en) | 1985-03-20 | 1985-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0438881Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5550740A (en) * | 1978-10-06 | 1980-04-12 | Hitachi Ltd | Semiconductor switch |
-
1985
- 1985-03-20 JP JP1985041259U patent/JPH0438881Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5550740A (en) * | 1978-10-06 | 1980-04-12 | Hitachi Ltd | Semiconductor switch |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0438881Y2 (en) | 1992-09-11 |
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