JPH06126630A - Grinding system - Google Patents

Grinding system

Info

Publication number
JPH06126630A
JPH06126630A JP28331992A JP28331992A JPH06126630A JP H06126630 A JPH06126630 A JP H06126630A JP 28331992 A JP28331992 A JP 28331992A JP 28331992 A JP28331992 A JP 28331992A JP H06126630 A JPH06126630 A JP H06126630A
Authority
JP
Japan
Prior art keywords
grinding
abrasive
nozzle
base material
supply
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
Application number
JP28331992A
Other languages
Japanese (ja)
Inventor
Kazumi Daitoku
一美 大徳
Fujiya Nogami
不二哉 野上
Tomoharu Shimokasa
知治 下笠
Hiroyuki Matsumura
裕之 松村
Kiwa Ikemoto
喜和 池本
Chikafumi Tsujita
京史 辻田
Hidenao Tanaka
秀尚 田中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kawasaki Heavy Industries Ltd
Nippon Steel Corp
Original Assignee
Kawasaki Heavy Industries Ltd
Nippon Steel Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kawasaki Heavy Industries Ltd, Nippon Steel Corp filed Critical Kawasaki Heavy Industries Ltd
Priority to JP28331992A priority Critical patent/JPH06126630A/en
Priority to ES93904335T priority patent/ES2134256T3/en
Priority to TW82101283A priority patent/TW245673B/zh
Priority to KR1019940700115A priority patent/KR0161671B1/en
Priority to EP93904335A priority patent/EP0645214B1/en
Priority to BR9305541A priority patent/BR9305541A/en
Priority to PCT/JP1993/000218 priority patent/WO1994008754A1/en
Priority to DE69325807T priority patent/DE69325807T2/en
Priority to AU35748/93A priority patent/AU670573B2/en
Priority to CN93103448A priority patent/CN1095728C/en
Publication of JPH06126630A publication Critical patent/JPH06126630A/en
Priority to US08/711,708 priority patent/US5791968A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/04—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
    • B24C3/10—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces for treating external surfaces
    • B24C3/12—Apparatus using nozzles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To secure such an excellent grinding system as leads to a reduction cost and economy of resources by installing a drinding abrasive supply system, a grinding nozzle unit system provided with a nozzle and an abrasive recovery system recovering abrasives after grinding operation and putting them back to the abrasive supply system, respectively. CONSTITUTION:A base material surface grinding system is constituted so as to develope those of wet blasting work and hydro-honing work further, aiming at the promotion of high pressure and an improvement in energy density, and to enhance the extent of work efficiency. In this constitution, it is composed of a system combined with the following elements all together at need that 1, detect detecting systems 1, 11, 12, 13 detecting a defect on a base material surface, a grinding controller 5 transmitting a grinding condition controlled an the basis of defedct information detected, an abrasive feeder 32 controlling a supply of abrasives on the basis of the information, a nozzle drive controller 6 and a nozzle driver 7 provided with a nozzle 8 relatively shifting with a base material on the basis of the signal and an abrasive recovering device 4 recovering the abrasives after the grinding processing and putting them back to an abrasive supply system 3.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、アブレイシブウォータ
ージェットによって、鋼材スラブ表面の全面あるいは部
分研削するシステムに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system for grinding the entire or partial surface of a steel slab with an abrasive water jet.

【０００２】[0002]

【従来の技術】従来、連続鋳造によって得たスラブのよ
うに広巾基材表面の表面欠陥、疵の除去法として、例え
ば、特開昭５２−８１０４８号公報に記載されているよ
うに、溶削トーチを用いる方式と、特開昭５７−４１１
５７号公報に記載されているように、研削砥石を用いる
方式が広く用いられてきた。2. Description of the Related Art Conventionally, as a method for removing surface defects and flaws on the surface of a wide base material such as a slab obtained by continuous casting, for example, as described in JP-A-52-81048, A method using a torch and JP-A-57-411
As described in Japanese Patent Publication No. 57-57, a method using a grinding wheel has been widely used.

【０００３】しかしながら、溶削による表面研削は、基
材への熱影響が大きく、また、点火ミスが生じやすく、
また、表面の溶融によって表面欠陥のぼけが生じ、この
ため自動化は困難である。また、研削砥石を用いる機械
的研削は粉塵の発生等による作業環境の問題がある。However, the surface grinding by fusing has a large thermal effect on the base material, and an ignition error is likely to occur.
Further, the melting of the surface causes blurring of surface defects, which makes automation difficult. Further, mechanical grinding using a grinding wheel has a problem of working environment due to generation of dust and the like.

【０００４】この表面研削に際してかかる問題のない砥
粒を高圧のジェット水流に添加して、ジェット水流のエ
ネルギー集中による砥粒の吹付けによる高能率のアブレ
イシブウォータージェットによる切断、切削手段を比較
的広い表面研削に適用することが検討されるようになっ
てきた。[0004] Comparison of cutting and cutting means with a highly efficient abrasive water jet by adding abrasive grains which do not have such a problem in surface grinding to a high-pressure jet water stream and spraying the abrasive grains due to the energy concentration of the jet water stream It has come to be considered to apply it to wide surface grinding.

【０００５】[0005]

【発明が解決しようとする課題】しかしながら、アブレ
イシブウォータージェットを巾広い表面研削に適用する
ためには、相当の連続作業が必要となり、研磨材の供給
量が膨大になったり、廃棄処理、回収のための処理系を
別途に設けなければならない問題があり、さらに、無人
化対応のためには、疵の検知装置とのリンクをどうする
かというような種々の問題があった。However, in order to apply the abrasive water jet to wide surface grinding, a considerable amount of continuous work is required, resulting in a large amount of abrasive supply, waste disposal, There is a problem that a processing system for collection must be provided separately, and further, there are various problems such as how to link with a flaw detection device in order to cope with unmanned operation.

【０００６】本発明の目的は、アブレイシブウォーター
ジェットを基材表面の研削に適用するに際して、その研
削能を最大に発揮できる研削及び研磨材の供給、回収装
置さらには再利用装置、さらには疵の検知装置を含むシ
ステムを提供することにある。An object of the present invention is to apply an abrasive water jet to the grinding of the surface of a base material, a grinding and polishing material supply / recovery device and a recycling device, and further a recycling device, which can maximize its grinding ability. It is an object to provide a system including a flaw detection device.

【０００７】[0007]

【課題を解決するための手段】本発明は、従来の湿式ブ
ラスト加工や液体ホーニング加工をさらに発展させて、
高圧化（通常３００ｋｇｆ／ｃｍ2 以上）とエネルギー
密度の向上を計り、加工効率を高めたアブレイシブウォ
ータージェットによる鋼材スラブのような基材表面の研
削システムであって、基材表面の疵を検知する欠陥検出
系と、同欠陥検出系から検出した疵情報に基づいて制御
された研削条件を発信する研削制御系と、同研削制御系
からの信号に基づいて研磨材の供給を制御する研磨材供
給系と、同研削制御系からの信号に基づいて基材と相対
移動するノズルを設けた研削ノズル装置系と、研削処理
後の研磨材を回収して前記研磨材の供給系に戻す研磨材
回収系とをそれぞれ必要に応じて組み合わせたシステム
からなる。The present invention further develops conventional wet blasting and liquid honing,
A grinding system for a base material surface such as a steel slab by an abrasive water jet that has improved the processing efficiency by increasing the pressure (usually 300 kgf / cm 2 or more) and improving the energy density. Defect detection system that detects, grinding control system that sends controlled grinding conditions based on flaw information detected from the defect detection system, and polishing that controls the supply of abrasives based on signals from the grinding control system A material supply system, a grinding nozzle device system provided with a nozzle that moves relative to a base material based on a signal from the grinding control system, and polishing for recovering the abrasive material after the grinding treatment and returning it to the abrasive material supply system. It consists of a system that combines a material recovery system as needed.

【０００８】基材表面の疵を検知する欠陥検出系に使用
する欠陥検出装置としては、磁粉探傷、超音波探傷、あ
るいは、テレビカメラによる画像処理装置等を用いるこ
とができる。As the defect detecting device used in the defect detecting system for detecting a flaw on the surface of the base material, magnetic particle flaw detection, ultrasonic flaw detection, or an image processing device using a television camera can be used.

【０００９】[0009]

【作用】アブレイシブウォータージェットによる研削
は、非熱的な加工法であり、熱影響や素材表面の溶融に
よる表面欠陥のぼけを何ら生じることがないので、加工
後の疵検出が容易であり、かつ、加工のＯＮ／ＯＦＦも
容易であるので、溶削時のような点火ミスがなく、さら
にまた非接触加工であるが故に、研削砥石の場合のよう
な工具寿命に関する問題が少ないので、自動化システム
を容易に構築できる。[Function] Abrasive water jet grinding is a non-thermal processing method and does not cause any blurring of surface defects due to heat influence or melting of the surface of the material. Therefore, flaw detection after processing is easy. Also, since the turning ON / OFF of the machining is easy, there is no ignition error as in the case of fusing, and since it is non-contact machining, there are few problems regarding the tool life as in the case of a grinding wheel. An automated system can be easily constructed.

【００１０】さらに、使用後の研磨材の回収系を高圧流
体ジェットに混合される研磨材の供給系に連結させた場
合には、アブレイシブウォータージェットを広区域の連
続した表面研削に適用した場合に、研磨材の循環系が成
り立つ。複数の基材に対して相対移動するアブレイシブ
ウォータージェットノズルを巾広基材表面の研削に適用
しても連続操業を行うことが可能になる。Further, when the used abrasive recovery system is connected to an abrasive supply system which is mixed with a high-pressure fluid jet, an abrasive water jet is applied for continuous surface grinding over a wide area. In this case, a circulation system of the abrasive material is established. Even if an abrasive water jet nozzle that moves relative to a plurality of base materials is applied to the grinding of the surface of a wide base material, continuous operation becomes possible.

【００１１】[0011]

【実施例】本発明を連続鋳造スラブの表面研削に適用し
た実施例について説明する。EXAMPLE An example in which the present invention is applied to the surface grinding of a continuously cast slab will be described.

【００１２】図１は全体システムを示す図である。FIG. 1 is a diagram showing the entire system.

【００１３】同図において、このシステムは欠陥検出系
１と、アブレイシブウォータージェットノズル装置２
と、ノズルに高圧水と研磨材とを供給する供給系３と、
使用した研磨材を回収し供給系３に再供給するための回
収処理系４とからなる。In FIG. 1, this system is composed of a defect detection system 1 and an abrasive water jet nozzle device 2.
And a supply system 3 for supplying high-pressure water and an abrasive to the nozzle,
It comprises a recovery processing system 4 for recovering the used abrasive and resupplying it to the supply system 3.

【００１４】そして、これらの各系からの情報は研削制
御装置５に入力され、また、入力された情報は研削制御
装置５における判断機能によって、各系を制御するよう
に構成されている。The information from each of these systems is input to the grinding control device 5, and the input information is configured to control each system by the judgment function of the grinding control device 5.

【００１５】また、処理されるスラブＷは、検査ステー
ジＳ１と、研削ステージＳ２と、検査ステージＳ３の三
段階を経て処理される。検査ステージＳ１および検査ス
テージＳ３はどちらかを省略してもよい。The slab W to be processed is processed through three stages of an inspection stage S1, a grinding stage S2 and an inspection stage S3. Either the inspection stage S1 or the inspection stage S3 may be omitted.

【００１６】欠陥検出システム系１は、研削前のスラブ
表面の欠陥検出のための欠陥検出システム系１１と、研
削過程中の表面欠陥の状態を検出する欠陥検出システム
系１２と、次工程のための研削後のスラブ表面の欠陥検
出を行う欠陥検出システム系１３を有し、それぞれの段
階での表面欠陥の状態を検出して、その情報は研削制御
装置５に入力され、その変動によってアブレイシブウォ
ータージェットノズル装置２と供給系３が制御される。The defect detection system system 1 includes a defect detection system system 11 for detecting defects on the slab surface before grinding, a defect detection system system 12 for detecting the state of surface defects during the grinding process, and a next process. Has a defect detection system system 13 for detecting defects on the surface of the slab after grinding, detects the state of the surface defects at each stage, and inputs the information to the grinding controller 5, and the variation causes the ablation. The shiv water jet nozzle device 2 and the supply system 3 are controlled.

【００１７】アブレイシブウォータージェットノズル装
置２は、研削制御装置５によって制御されるノズル駆動
制御装置６とノズル駆動装置７によって駆動されるノズ
ル８とからなる。The abrasive water jet nozzle device 2 comprises a nozzle drive control device 6 controlled by a grinding control device 5 and a nozzle 8 driven by a nozzle drive device 7.

【００１８】図２は、上記図１に示すシステムの具体的
な配置を示す図である。FIG. 2 is a diagram showing a specific arrangement of the system shown in FIG.

【００１９】ノズルに高圧水を供給するための高圧水発
生装置３１と図１に示す研磨材供給装置３２とからなる
供給系３と、前後に配置されたスラブ上面研削用のノズ
ル装置２１と、反転装置４２により転回されたスラブ下
面研削用のノズル装置２２とからなる。それぞれのノズ
ル装置２１，２２は、連続鋳造機４１によって生産され
た鋼板スラブＷの長手方向にそれぞれ３個配置されたノ
ズル８を有し、それぞれのノズル８はスラブ移動床９を
跨ぐ基台２３に配置されたノズル案内２４上に設けられ
た６軸ロボット２５の先端に取り付けられており、それ
ぞれのノズル８は図１に示すノズル駆動制御装置６とノ
ズル駆動装置７によって駆動制御される。A supply system 3 comprising a high-pressure water generator 31 for supplying high-pressure water to the nozzle and an abrasive material supplier 32 shown in FIG. 1, and a nozzle device 21 for front and rear slab top surface grinding. The slab lower surface grinding device 22 is turned by the reversing device 42. Each of the nozzle devices 21 and 22 has three nozzles 8 arranged in the longitudinal direction of the steel plate slab W produced by the continuous casting machine 41, and each nozzle 8 is a base 23 that straddles the slab moving floor 9. The nozzle 8 is attached to the tip of a 6-axis robot 25 provided on the nozzle guide 24 disposed in the nozzle guide 24, and each nozzle 8 is driven and controlled by the nozzle drive control device 6 and the nozzle drive device 7 shown in FIG.

【００２０】このノズル８の駆動装置としては、ロボッ
ト，ＮＣ装置を使用することができ、ロボットは多関節
ロボットを地上設置もしくは天吊り，壁掛け、もしくは
それらの組み合わせにて使用し、１台もしくは複数台用
いることができる。また、駆動装置は固定してもよい
し、本図の如く１軸以上走行させてもよい。A robot or an NC device can be used as a drive device for the nozzle 8. The robot uses a multi-joint robot installed on the ground, suspended from the ceiling, wall-mounted, or a combination thereof, and one or a plurality of robots are used. Can be used as a stand. Further, the drive device may be fixed, or may be driven by one or more axes as shown in the figure.

【００２１】[0021]

【発明の効果】本発明によって、従来態様では困難であ
った鋼材，スラブ等の基材表面の疵手入れが自動化ある
いは無人化され、さらにまた、必要に応じて研磨材の循
環利用系を併用すれば、アブレイシブウォータージェッ
ト自体の機能を低下することなく、連続作業が可能とな
り、資源の節約やコストダウンにもつながる優れたシス
テムの提供が可能となる。EFFECTS OF THE INVENTION According to the present invention, the flaw maintenance of the surface of a base material such as steel or slab, which has been difficult in the conventional method, can be automated or unmanned. Furthermore, if necessary, a circulation system for abrasives can be used together. In this way, continuous operation is possible without degrading the function of the abrasive water jet itself, and it is possible to provide an excellent system that saves resources and reduces costs.

【図面の簡単な説明】[Brief description of drawings]

【図１】 本発明の研削システムのフロー図である。1 is a flow diagram of the grinding system of the present invention.

【図２】 本発明のシステムに使用するノズル装置の具
体的な構造の例を示す。FIG. 2 shows an example of a specific structure of a nozzle device used in the system of the present invention.

【符号の説明】[Explanation of symbols]

１，１１，１２，１３ 欠陥検出システム系 ２ アブレイシブウォータージェットノズル装置 ２１ 上面研削用のノズル装置 ２２ 下面研削用の
ノズル装置 ３ 供給系 ３１ 高圧水発生装置 ３２ 研磨材供給装
置 ４ 回収処理系 ５ 研削制御装置 ６ ノズル駆動制御装置 ７ ノズル駆動装置 ８ ノズル ９ スラブ移動床 ２３ 基台 ２４ ノズル案内 ２５ ６軸ロボット ４１ 連続鋳造機 ４２ 反転装置1, 11, 12, 13 Defect detection system system 2 Abrasive water jet nozzle device 21 Nozzle device for upper surface grinding 22 Nozzle device for lower surface grinding 3 Supply system 31 High pressure water generator 32 Abrasive material supply device 4 Recovery processing system 5 Grinding control device 6 Nozzle drive control device 7 Nozzle drive device 8 Nozzle 9 Slab moving bed 23 Base 24 Nozzle guide 25 6-axis robot 41 Continuous casting machine 42 Reversing device

───────────────────────────────────────────────────── フロントページの続き (72)発明者 野上 不二哉 福岡県北九州市戸畑区飛幡町１番１号 新 日本製鐵株式会社八幡製鐵所内 (72)発明者 下笠 知治 福岡県北九州市戸畑区飛幡町１番１号 新 日本製鐵株式会社八幡製鐵所内 (72)発明者 松村 裕之 神戸市中央区東川崎町３丁目１番１号 川 崎重工業株式会社神戸工場内 (72)発明者 池本 喜和 神戸市中央区東川崎町３丁目１番１号 川 崎重工業株式会社神戸工場内 (72)発明者 辻田 京史 神戸市中央区東川崎町３丁目１番１号 川 崎重工業株式会社神戸工場内 (72)発明者 田中 秀尚 神戸市中央区東川崎町３丁目１番１号 川 崎重工業株式会社神戸工場内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Fujiya Nogami, No. 1 Tobahata-cho, Tobata-ku, Kitakyushu City, Kitakyushu City, Fukuoka Prefecture (72) Inside the Yawata Works (72) Inventor Tomoji Shimoda Tobata, Kitakyushu City, Fukuoka Prefecture No. 1-1, Hibata-cho, Shin-Nippon Steel Co., Ltd., Yawata Works (72) Inventor Hiroyuki Matsumura 3-1-1 Higashikawasaki-cho, Chuo-ku, Kobe City Kawasaki Heavy Industries, Ltd. Kobe factory (72) Inventor Ikemoto Kiwa, 3-1, 1-1 Higashikawasaki-cho, Chuo-ku, Kobe-shi Inside Kawasaki Heavy Industries, Ltd. (72) Inventor, Kyoji Tsujida 3-1-1, Higashikawasaki-cho, Chuo-ku, Chuo-ku, Kobe Inside Kawasaki Heavy Industries, Ltd. (72) Inventor Hidehisa Tanaka 3-1-1 Higashikawasaki-cho, Chuo-ku, Kobe Kawasaki Heavy Industries, Ltd. Kobe factory

Claims (3)

【特許請求の範囲】[Claims] 【請求項１】 アブレイシブウォータージェットによる
基材表面の研削システムであって、研磨材を供給する研
磨材供給系と、基材と相対移動するノズルを設けた研削
ノズル装置系と、研削処理後の研磨材を回収して前記研
磨材の供給系に戻す研磨材回収系とを有する研削システ
ム。1. A grinding system for a surface of a substrate by an abrasive water jet, comprising: an abrasive supply system for supplying an abrasive; a grinding nozzle device system provided with a nozzle that moves relative to the substrate; and a grinding process. A grinding system having a polishing material recovery system for recovering the subsequent polishing material and returning it to the polishing material supply system. 【請求項２】 アブレイシブウォータージェットによる
基材表面の研削システムであって、基材表面の疵を検知
する欠陥検出系と、同欠陥検出系から検出した疵情報に
基づいて制御された研削条件を発信する研削制御系と、
同研削制御系からの信号に基づいて研磨材の供給を制御
する研磨材供給系と同研削制御系からの信号に基づいて
基材と相対移動するノズルを設けた研削ノズル装置系と
を有する研削システム。2. A grinding system for a substrate surface by an abrasive water jet, comprising a defect detection system for detecting defects on the substrate surface, and controlled grinding based on defect information detected from the defect detection system. A grinding control system that sends out conditions,
Grinding having an abrasive material supply system for controlling the supply of abrasive material based on a signal from the same grinding control system and a grinding nozzle device system provided with a nozzle that moves relative to a base material based on a signal from the same grinding control system system. 【請求項３】 アブレイシブウォータージェットによる
基材表面の研削システムであって、基材表面の疵を検知
する欠陥検出系と、同欠陥検出系から検出した疵情報に
基づいて制御された研削条件を発信する研削制御系と、
同研削制御系からの信号に基づいて研磨材の供給を制御
する研磨材供給系と、同研削制御系からの信号に基づい
て基材と相対移動するノズルを設けた研削ノズル装置系
と、研削処理後の研磨材を回収して前記研磨材の供給系
に戻す研磨材回収系とからなる研削システム。3. A grinding system for a substrate surface by an abrasive water jet, comprising a defect detection system for detecting defects on the substrate surface, and controlled grinding based on defect information detected by the defect detection system. A grinding control system that sends out conditions,
An abrasive material supply system that controls the supply of the abrasive material based on a signal from the grinding control system, a grinding nozzle device system that includes a nozzle that moves relative to the base material based on a signal from the grinding control system, and a grinding machine. A grinding system comprising an abrasive recovery system for recovering the processed abrasive and returning it to the abrasive supply system.
JP28331992A 1992-10-21 1992-10-21 Grinding system Pending JPH06126630A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
JP28331992A JPH06126630A (en) 1992-10-21 1992-10-21 Grinding system
BR9305541A BR9305541A (en) 1992-10-21 1993-02-23 Grinding process and system
TW82101283A TW245673B (en) 1992-10-21 1993-02-23
KR1019940700115A KR0161671B1 (en) 1992-10-21 1993-02-23 Grinding method and grinding system for billet
EP93904335A EP0645214B1 (en) 1992-10-21 1993-02-23 Grinding method and grinding system for billet
ES93904335T ES2134256T3 (en) 1992-10-21 1993-02-23 RECTIFICATION METHOD AND RECTIFICATION SYSTEM FOR BOLTS.
PCT/JP1993/000218 WO1994008754A1 (en) 1992-10-21 1993-02-23 Grinding method and grinding system for billet
DE69325807T DE69325807T2 (en) 1992-10-21 1993-02-23 METHOD AND SYSTEM FOR GRINDING SLAMS
AU35748/93A AU670573B2 (en) 1992-10-21 1993-02-23 Grinding method and grinding system for billet
CN93103448A CN1095728C (en) 1992-10-21 1993-02-26 Method and apparatus for grinding of steel plate
US08/711,708 US5791968A (en) 1992-10-21 1996-08-30 Grinding method and grinding system for steels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28331992A JPH06126630A (en) 1992-10-21 1992-10-21 Grinding system

Publications (1)

Publication Number Publication Date
JPH06126630A true JPH06126630A (en) 1994-05-10

Family

ID=17663929

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Application Number Title Priority Date Filing Date
JP28331992A Pending JPH06126630A (en) 1992-10-21 1992-10-21 Grinding system

Country Status (10)

Country Link
EP (1) EP0645214B1 (en)
JP (1) JPH06126630A (en)
KR (1) KR0161671B1 (en)
CN (1) CN1095728C (en)
AU (1) AU670573B2 (en)
BR (1) BR9305541A (en)
DE (1) DE69325807T2 (en)
ES (1) ES2134256T3 (en)
TW (1) TW245673B (en)
WO (1) WO1994008754A1 (en)

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CN1095728C (en) 2002-12-11
EP0645214A1 (en) 1995-03-29
BR9305541A (en) 1995-12-26
TW245673B (en) 1995-04-21
AU3574893A (en) 1994-05-09
DE69325807T2 (en) 2000-03-16
EP0645214B1 (en) 1999-07-28
EP0645214A4 (en) 1995-04-19
AU670573B2 (en) 1996-07-25
WO1994008754A1 (en) 1994-04-28
CN1085840A (en) 1994-04-27
KR0161671B1 (en) 1998-12-15
ES2134256T3 (en) 1999-10-01
DE69325807D1 (en) 1999-09-02

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