JPS60162551A - Production of casting roll - Google Patents
Production of casting rollInfo
- Publication number
- JPS60162551A JPS60162551A JP25213683A JP25213683A JPS60162551A JP S60162551 A JPS60162551 A JP S60162551A JP 25213683 A JP25213683 A JP 25213683A JP 25213683 A JP25213683 A JP 25213683A JP S60162551 A JPS60162551 A JP S60162551A
- Authority
- JP
- Japan
- Prior art keywords
- molds
- mold
- casting roll
- springs
- stage
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
Description
【発明の詳細な説明】 この発明は鋳造ロールの製造方法に関する。[Detailed description of the invention] This invention relates to a method of manufacturing a casting roll.
従来に於いてシームレスパイプ用ロール、定型ロール等
の太鼓状の異径ロールを鋳造して製造する場合には、金
型内に鋳込まれたロールを取り出す為に金型が分解可能
な構造でなければならない。その為に異径ロールを鋳造
する際には、二分割された金型を組合せ、各金型の外周
に立設されたフランジ部をボルト及びナンドで締め付け
て金型を組立て、この金型内に溶湯を絖込んで冷却させ
た後に、金型を分解して形成されたロールを取り出して
鋳造ロールを製造していた。Conventionally, when manufacturing drum-shaped rolls of different diameters such as rolls for seamless pipes and regular rolls, the mold is constructed so that it can be disassembled in order to take out the roll cast inside the mold. There must be. Therefore, when casting rolls of different diameters, the molds are assembled by combining two molds, tightening the flange part standing up on the outer periphery of each mold with bolts and Nandos, and then assembling the molds. After pouring molten metal into the mold and cooling it, the mold was disassembled and the formed roll was taken out to produce a casting roll.
しかし、この鋳造ロールの製造方法では、高温の溶湯が
金型内に鋳込まれると金型が熱膨張し、その結果何回も
金型を使用して鋳造ロールを製造すると金型の内周が楕
円状に歪を生じる欠点が存在した。また金型の熱膨張の
際にボルト及びナンドで締め付けられたフランジ部が変
形され、相対向して配設されたフランジ部の内面が密着
しないで金型の内周面に隙間を生じ、この隙間より外気
が流入して隙間部分の溶湯が急冷却されず、この部分は
他の部分が冷却されて収縮するに従って引張応力が発生
するので、鋳造されたロール表面に割れ目が発生する欠
点が存在した。However, in this method of manufacturing casting rolls, when high-temperature molten metal is cast into the mold, the mold thermally expands, and as a result, if the mold is used many times to manufacture the casting roll, the inner periphery of the mold However, there was a drawback that distortion occurred in an elliptical shape. In addition, when the mold thermally expands, the flanges tightened with bolts and NANDs are deformed, and the inner surfaces of the flanges disposed opposite each other do not come into close contact, creating a gap on the inner peripheral surface of the mold. Outside air flows in through the gap and the molten metal in the gap is not cooled quickly, and as other areas cool and contract, tensile stress is generated in this area, resulting in cracks on the surface of the cast roll. did.
そこで本発明に於いては、分割された金型を組合ゼ、組
合わされた金型をスプリングで押圧支持し、この金型に
溶湯を鋳込み、冷却した後に金型を分解して鋳造ロール
を取り出す鋳造ロールの製造方法と構成したので、高温
の溶湯が鋳込まれて金型が熱膨張すると分割されて組み
合わされている金型ば、スプリングの弾性力に抗して膨
張変形することができるので、金型の内周が楕円状に歪
むごともない。また分割されて組の合わされている金型
は、スプリングの弾性力に支持されているので、フラン
ジ部が変形されて相対向面に大きな隙間を生しることが
ないので、鋳造されたロールの表面に割れ目を発生させ
ることもない。Therefore, in the present invention, the divided molds are assembled, the combined molds are pressed and supported by a spring, molten metal is poured into the mold, and after cooling, the mold is disassembled and the casting roll is taken out. Since the manufacturing method of the casting roll is configured, when the high-temperature molten metal is poured into the mold and the mold expands thermally, the mold, which is divided and put together, can expand and deform against the elastic force of the spring. There is no distortion of the inner periphery of the mold into an elliptical shape. In addition, the molds that are divided and assembled are supported by the elastic force of the spring, so the flange part is not deformed and a large gap is not created between the facing surfaces, so the cast roll It does not cause cracks on the surface.
この発明の実施例について図面に基づいて説明する。Embodiments of the invention will be described based on the drawings.
まず最初に第1図及び第2図に示された鋳造ロールの製
造装置について述べると、第1図はシームレスパイプ用
のロールの実施例、第2図は定型ロールの実施例であり
鋳型(1)(1a)は下型(2)(2a) 、金型(3
)(3a)及び上型(4)(4a>により形成され、こ
の鋳型(1)(l a)の内部中央には中子(5)(5
a)が立設されて配設され、そして下型(2)(2a)
には湯道(6)(6a)が立設され、この湯道(6)(
6a)の上端には注湯口(7) (7a)が配設され、
この湯道(6)(6a)は下型(2)(2a)を通って
湯道の端部(8)(8a)で下型(2)(2a)に連結
している。そして鋳造ロールを製造するには注湯口(7
)(7a)より溶湯を注入すると、溶湯は湯道(6)(
6a)を通っ−C下型(2)(2a)の湯道の端部(8
)(8a)より下型(2)
(2a)、金型(3)(3a)そして上型(4)(4a
)内に順次充填され、鋳型(1)(la)内に溶湯が充
填されると、次に冷却され、この冷却により鋳型(1)
(1a)内に鋳造ロールが形成されると、上型(4)(
4a)を除去し、金型(3)(3a)を分IQ¥ L/
て内部より鋳造ロールを取り出し、さらに鋳造ロールの
軸心に配設された中子(5)(5a)を除去して鋳造ロ
ールを形成する。First, we will discuss the casting roll manufacturing apparatus shown in Figs. ) (1a) is the lower mold (2) (2a), the mold (3
) (3a) and an upper mold (4) (4a>), and a core (5) (5
a) is erected and arranged, and the lower mold (2) (2a)
A hot water path (6) (6a) is erected in the area, and this hot water path (6) (
A pouring spout (7) (7a) is arranged at the upper end of 6a),
This runner (6) (6a) passes through the lower mold (2) (2a) and is connected to the lower mold (2) (2a) at the end (8) (8a) of the runner. And to manufacture casting rolls, pouring spout (7
) (7a), the molten metal flows through the runner (6) (
6a) through the end of the runner (8) of the -C lower mold (2) (2a)
) (8a), lower mold (2) (2a), mold (3) (3a) and upper mold (4) (4a)
) is sequentially filled, and when the molds (1) and (la) are filled with molten metal, it is then cooled, and as a result of this cooling, the mold (1)
Once the casting roll is formed in (1a), the upper die (4) (
Remove 4a) and remove mold (3) (3a) by IQ¥L/
The casting roll is taken out from inside, and the cores (5) (5a) disposed at the axis of the casting roll are removed to form a casting roll.
次に第2図に示された分割されたジームレ −スパイプ
用金型(3)について述べると、金型(3)は左右金型
(30)(31)に二分割され、この分割された面で右
金型(30)の外周にフランジ部(32) (33)が
立設され、このフランジ部(32) (33)にはボル
ト孔(3’2 a) (:j3 a)が穿設され、また
左金型(31)の分割面で外周にフランジ部(3’4)
(35)が立設され、このフランジ部(34)(35)
にはボルト孔
(34a)(35a)が穿設され、そし°ζ左右金型(
30)(31)を組の合わせてボルト孔(32a)(3
4a)にポル1−(3G)が配設され、このポル1(3
(i)の端部にナソI−(37)が蝮着され、このナツ
ト(37)とフランジ部(34)との間にスプリング(
38)が配設され、またボルト孔(33a)(35a)
にはボルト(39)が配設され、このボルト(39)の
端部にはナツト(40)が蝮着され、このナソ1−(4
0)とフランジ部(33)との間にスプリング(41)
が配設されている。Next, we will discuss the divided Ziemrace pipe mold (3) shown in Fig. 2. The mold (3) is divided into left and right molds (30) and (31). Flange parts (32) (33) are set up on the outer periphery of the right mold (30), and bolt holes (3'2 a) (:j3 a) are drilled in these flange parts (32) (33). Also, there is a flange part (3'4) on the outer periphery at the dividing surface of the left mold (31).
(35) is erected, and this flange part (34) (35)
Bolt holes (34a) (35a) are drilled in the left and right molds (34a) and (35a).
30) (31) and bolt holes (32a) (3)
Pol 1-(3G) is placed in 4a), and this Pol 1(3G)
A nut (37) is attached to the end of (i), and a spring (
38) are provided, and bolt holes (33a) (35a) are provided.
is provided with a bolt (39), and a nut (40) is secured to the end of this bolt (39).
0) and the flange part (33) with a spring (41)
is installed.
また左右金型(30) (31)のフランジ(3’2)
(34)、(33) (35)合わせ面内側には左右違
いに凸部(30a)
(31a)が配設され、この凸部(30a>(31a)
が嵌合する為に反対側の合わせ面には四部(30b)(
31b)が配設されて、左右金型(30) (31)を
組み合わせた際の位置決めを容易にしている。Also, the flanges (3'2) of the left and right molds (30) (31)
(34), (33) (35) Convex portions (30a) (31a) are arranged on different left and right sides on the inner side of the mating surface, and these convex portions (30a>(31a)
There are four parts (30b) (
31b) to facilitate positioning when the left and right molds (30) and (31) are combined.
この組み立てられた金型(3)は溶湯が鋳込まれると、
/8湯の高温で熱膨張し、金型(3)のフランジ部(3
2) (34)、(33) (35)の合わせ部分はボ
ルト(3G) (39)で締め付けられていないので、
スプリング(38) (41)の弾力に抗して拡開し、
その為に金型(3)の内周面が歪んで楕円形に変形して
しまうことがない。When the molten metal is poured into this assembled mold (3),
Thermal expansion occurs at the high temperature of /8 hot water, and the flange part (3) of the mold (3)
2) The mating parts of (34), (33) and (35) are not tightened with bolts (3G) (39), so
The springs (38) expand against the elasticity of (41),
Therefore, the inner peripheral surface of the mold (3) will not be distorted and deformed into an elliptical shape.
また金型(3)は合わせ部分はフランジ部(32) (
34)、(33) (35)に配設されたスプリング(
38)(41)で弾持されているので、溶湯が冷却して
収縮してくる第2図
第3図
3
肩「4す℃ネ市」三1μ■:
昭1059年4月ンA日
特許庁長官 若杉 和 夫殿
1、事件の表示
昭和58年特許願第252136号
2、発明の名称
鋳造ロールの製造方法
3、補正をする;U
事件との関1系 特許用)臥
住 所 東京都墨田区江東横二丁目12番2号名 称
日豊工機株式会社
イ懺者 中等 安孝
4、代理人
住 所 東京都港区西新橋二丁目15番17号 レイン
ボービル9階6、補正の対象
# ll、出願審査請求書及び明細書Also, the mating part of the mold (3) is the flange part (32) (
34), (33) and (35) springs (
38) Since it is held elastically by (41), the molten metal cools and contracts.Fig. Agency Commissioner Kazuo Wakasugi1, Indication of the case Patent Application No. 252136 of 1982, Name of the invention Method for manufacturing casting rolls3, Amendment; 2-12-2 Kotoyoko, Sumida-ku Name
Nippo Koki Co., Ltd. Yasutaka 4, 2-15-17 Nishi-Shinbashi, Minato-ku, Tokyo 9th floor 6, Rainbow Building, Subject of amendment # 1, Application examination request and specification
Claims (1)
グで押圧支持し、この金型に溶湯を鋳込み、冷却した後
に金型を分解して鋳造ロールを取り出す鋳造ロールの製
造方法A method for producing a casting roll, in which divided molds are assembled, the combined mold is supported under pressure by a spring, molten metal is poured into the mold, and after cooling, the mold is disassembled to take out the casting roll.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25213683A JPS60162551A (en) | 1983-12-31 | 1983-12-31 | Production of casting roll |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25213683A JPS60162551A (en) | 1983-12-31 | 1983-12-31 | Production of casting roll |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60162551A true JPS60162551A (en) | 1985-08-24 |
Family
ID=17232978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP25213683A Pending JPS60162551A (en) | 1983-12-31 | 1983-12-31 | Production of casting roll |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60162551A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103722132A (en) * | 2012-10-10 | 2014-04-16 | 诺德轮毂制造有限公司 | Hub casting edge mould |
CN114406193A (en) * | 2021-12-31 | 2022-04-29 | 河北津西钢铁集团重工科技有限公司 | V-shaped straightening roll casting mold, casting cooling device and casting method |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4838489U (en) * | 1971-09-06 | 1973-05-12 | ||
JPS5650559B2 (en) * | 1975-12-26 | 1981-11-30 |
-
1983
- 1983-12-31 JP JP25213683A patent/JPS60162551A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4838489U (en) * | 1971-09-06 | 1973-05-12 | ||
JPS5650559B2 (en) * | 1975-12-26 | 1981-11-30 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103722132A (en) * | 2012-10-10 | 2014-04-16 | 诺德轮毂制造有限公司 | Hub casting edge mould |
CN114406193A (en) * | 2021-12-31 | 2022-04-29 | 河北津西钢铁集团重工科技有限公司 | V-shaped straightening roll casting mold, casting cooling device and casting method |
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