JPS611404A - Compound roll - Google Patents
Compound rollInfo
- Publication number
- JPS611404A JPS611404A JP12178684A JP12178684A JPS611404A JP S611404 A JPS611404 A JP S611404A JP 12178684 A JP12178684 A JP 12178684A JP 12178684 A JP12178684 A JP 12178684A JP S611404 A JPS611404 A JP S611404A
- Authority
- JP
- Japan
- Prior art keywords
- canning
- roll
- hip
- outer layer
- compound
- 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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
【発明の詳細な説明】 〔発明の利用分野〕 本発明は複合粉末ロールに係り、特に耐摩耗。[Detailed description of the invention] [Field of application of the invention] The present invention relates to a composite powder roll, especially abrasion resistant.
耐肌荒れ性に好適な圧延用ロールに関するものである。The present invention relates to a rolling roll suitable for rough skin resistance.
粉末製品をHIPで製造する方法、複合化する方法は多
くの文献にもみられる。しかながら、複合ロールをHI
P法のみで行なうには後工程に鍛造又は機械加工を行す
ねばならず、超大量のHIP装置を要する。その点、H
IP法でスリーブのみを製造することは通常の現有のH
IP装置で可能である。その場合、このスリーブとアー
バーの組み立て方法であるが、通常は焼バメ等にたよる
しかない。焼パメはスリーブ裏面に引張の応力を発生さ
せ、ロール材には不都合である。また焼バメは長期使用
によりスベリやすくなり、充分なトルクを伝達出来なく
なる例も多い。Methods for manufacturing powder products by HIP and methods for compounding are also found in many documents. However, if the composite role is HI
If only the P method is used, forging or machining must be performed in the subsequent process, and an extremely large amount of HIP equipment is required. On that point, H
Manufacturing only the sleeve using the IP method is a normal and current H
Possible with IP devices. In that case, the method of assembling the sleeve and arbor is usually to rely on shrink fitting or the like. Shrinkage creates tensile stress on the back surface of the sleeve, which is inconvenient for rolled materials. In addition, with long-term use, the shrink fit becomes prone to slipping, and there are many cases where sufficient torque cannot be transmitted.
一方、スリーブのHIP後のキャニング材を機械加工で
とり、直接、粉末焼結(HIP品)品に特許5g−19
7232の内孔肉盛を施した場合、スリーブは割れやす
い。これらの欠点を補うため、スリーブ内孔面のキャニ
ング厚さは10〜20層として、HIP時にキャニング
材と粉末は拡散接合し、その内孔キャニング材と特許5
8−197232による内孔肉盛法を均一に肉盛するこ
とにより、充分長期に構造材として耐え得る複合粉末ロ
ールを提供することにある。なお肉盛後、鍛造加工すれ
ばさらに信頼性が増すととならびにキャニング材を靭性
のある鋼管等を使用することにより、スリーブ等からの
クラックアレスターにもなる。On the other hand, the canning material after HIPing the sleeve is removed by machining, and the patent 5g-19
7232, the sleeve is prone to cracking. In order to compensate for these drawbacks, the canning thickness of the inner hole surface of the sleeve is set to 10 to 20 layers, and the canning material and powder are diffusion bonded during HIP, and the inner hole canning material and the patent 5
The object of the present invention is to provide a composite powder roll that can be used as a structural material for a sufficiently long period of time by uniformly applying the inner hole overlay method according to No. 8-197232. After overlaying, forging can further increase reliability, and by using a tough steel pipe as the canning material, it can also serve as a crack arrestor from the sleeve, etc.
本発明の目的は外層HIP等による粉末焼結材。 The object of the present invention is to provide a powder sintered material using outer layer HIP or the like.
芯材は低合金鋼を特開58−197232による均一肉
盛に際し、直接外層の焼結材を溶かすことなく、HIP
時のキャニング材と芯材を肉盛り結合させた複合ロール
を提供することにある。The core material is a low alloy steel that is uniformly overlaid according to JP-A-58-197232, without directly melting the sintered material of the outer layer.
To provide a composite roll in which a canning material and a core material are overlaid and bonded.
外層HIP材を直接内孔肉盛りすると割れの危険性が高
い、そこで外層材のHIP時のキャニング材を利用し、
3重層にした複合ロールを発明した。There is a high risk of cracking if the outer layer HIP material is directly built up in the inner hole, so we use canning material when HIPing the outer layer material.
Invented a triple-layered composite roll.
(発明の利用分野〕
以下1本発明の一実施例を第1図により説明する回転円
盤8上に水冷銅分割鋳型4,5.6があり、最初粉末H
IP材2、それと拡散接合したキャニング材3をセット
し、電極7で1のジャーナルからESRを行ない、キャ
ニング材3と電極7を均一に冶金的に溶融結合させて複
合ロールを作ろうとするものである。具体的な実施例と
してJIS 5KH9の粉末を、軟鋼のキャニング材で
キャニングし、1150℃xlh HIPL/た後、
JIS 5CN4の電極7でE S 、Rを行った。な
お、回転は10r’p’mである。その時のロール寸法
は隅部φ500(芯部φ400)で、胴長1420膠、
全長4100mmである。この複合材はその後、機械加
工を施し、1250℃での誘導加熱焼入れを行ない、5
50℃で焼戻しを行なった。得られたかたさは)IRC
66であった。(Field of Application of the Invention) Hereinafter, an embodiment of the present invention will be explained with reference to FIG.
The IP material 2 and the canning material 3 that has been diffusion bonded to it are set, ESR is performed from the journal of 1 using the electrode 7, and the canning material 3 and the electrode 7 are uniformly melted and bonded metallurgically to create a composite roll. be. As a specific example, after canning JIS 5KH9 powder with a mild steel canning material and subjecting it to 1150°C x lh HIPL/,
E S and R were performed using JIS 5CN4 electrode 7. Note that the rotation is 10 r'p'm. At that time, the roll dimensions were corner part φ500 (core part φ400), body length 1420 glue,
The total length is 4100mm. This composite material was then machined and induction hardened at 1250°C.
Tempering was performed at 50°C. The hardness obtained is) IRC
It was 66.
本ロールを、実機で圧延した結果、従来の3〜4倍の圧
延成績をあげることができた。また、境界部からの剥離
もなく、きわめて良好な結果を示した。As a result of rolling this roll with an actual machine, we were able to achieve rolling results 3 to 4 times higher than conventional rolls. Moreover, there was no peeling from the boundary, and very good results were shown.
(イ)新しい機能・・・HIPのキャニング材をインサ
ート材のように使用した3重層
の複合ロールであり、このキャ
ニング材を利用することにより、
外層材は超硬材まで可能となる。(a) New features: This is a triple-layer composite roll that uses HIP's canning material as an insert material. By using this canning material, it is possible to use carbide as the outer layer material.
(ロ)性能、効率・・・境界線の剥離特性、即ち耐スポ
ール性の増大があり、外層材の
選択により、多−くのミルへの適
用が考えられる。(b) Performance and efficiency: There is an increase in peeling characteristics, that is, spall resistance, and it can be applied to many mills depending on the selection of the outer layer material.
(ハ)経済性・・・芯材からHIPで拡散接合するには
、超大型のHIP装置を要し、実質的
には不可能に近い。それをスリーブ
だけにすれば、ホットコールの作業
ロールにすべて適用出来、経済的で
ある。また複合化の信頼性もスリー
ブ焼バメ等より高い。(c) Economic efficiency: Diffusion bonding from the core material by HIP requires an extremely large HIP device, which is virtually impossible. If only the sleeve is used, it can be applied to all hot call work rolls and is economical. Furthermore, the reliability of compounding is higher than that of sleeve shrink fitting.
第1図は本発明実施例の説明図である。
1・・・ESR芯材、2・・・ロール外層材、3・・・
キャニング材、4,5.6・・・水冷分割銅モールド、
7・・・=22
鰻1mFIG. 1 is an explanatory diagram of an embodiment of the present invention. 1...ESR core material, 2...roll outer layer material, 3...
Canning material, 4,5.6... water-cooled split copper mold,
7...=22 Eel 1m
Claims (1)
ヤニング材とスリーブはHIP時に拡散接合し、そのキ
ヤニング材を中盛り法にて冶金的に結合したことを特徴
とする複合ロール。1. A composite roll characterized in that the sleeve is formed by HIP, the inner canning material and the sleeve are diffusion bonded during HIP, and the canning material is metallurgically bonded by a filling method.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12178684A JPS611404A (en) | 1984-06-15 | 1984-06-15 | Compound roll |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12178684A JPS611404A (en) | 1984-06-15 | 1984-06-15 | Compound roll |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS611404A true JPS611404A (en) | 1986-01-07 |
Family
ID=14819854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12178684A Pending JPS611404A (en) | 1984-06-15 | 1984-06-15 | Compound roll |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS611404A (en) |
-
1984
- 1984-06-15 JP JP12178684A patent/JPS611404A/en active Pending
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