JPS63118606A - Measuring method for roll core - Google Patents

Measuring method for roll core

Info

Publication number
JPS63118606A
JPS63118606A JP9812686A JP9812686A JPS63118606A JP S63118606 A JPS63118606 A JP S63118606A JP 9812686 A JP9812686 A JP 9812686A JP 9812686 A JP9812686 A JP 9812686A JP S63118606 A JPS63118606 A JP S63118606A
Authority
JP
Japan
Prior art keywords
roll
laser beam
laser
measuring
measuring rod
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
JP9812686A
Other languages
Japanese (ja)
Inventor
Kazuyoshi Ohira
大平 和由
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP9812686A priority Critical patent/JPS63118606A/en
Publication of JPS63118606A publication Critical patent/JPS63118606A/en
Pending legal-status Critical Current

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  • Length Measuring Devices By Optical Means (AREA)

Abstract

PURPOSE:To measure the levelness of a roll built in a stand in a short time with high accuracy by measuring the levelness, etc., of the roll on the basis of the difference in the distance from one breadthwise end of a measured laser beam to the position of a measurement rod. CONSTITUTION:The laser measuring instrument 4 consisting of a light emitting device 6 and a light receiving device 8 which have a slit laser beam emission port 7 and a light reception port 9 provided to respective ends of a base board 5, and a means which adjusts the positions of both end parts of the base board 5 is arranged nearby one end part of the roll 1 built in the stand at right angles to the axis of the roll, and the measuring instrument 4 is aligned by a specific method. Then, the measurement rod 13 is fitted to one end of the roll 1 (or while the roll 1 is rotated by a specific angle) so as to cross the upstream (or downstream) part of the laser beam from the light emitting device 6, part of the laser beam which is received 8 is cut off by the rod 13, and the distance from one breadthwise end of the laser beam to the position of the rod 13 to measure the levelness or squareness of the roll 1.

Description

【発明の詳細な説明】 〔発明の技術分野〕 この発明は、例えば圧延機に圧延ロールを組込むときな
どにおける、ロールの水平度または直角度を測定するた
めの、ロールの芯の測定方法に関するものである。
[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a method for measuring the core of a roll for measuring the horizontality or perpendicularity of the roll when the roll is installed in a rolling mill, for example. It is.

〔従来技術とその問題点〕[Prior art and its problems]

例えば、圧延機に圧延ロールを組み込むときは、組み込
まれた圧延ロールの据付は精度を確認する九めに、ロー
ル芯即ちロールの水平度および直角度を測定する必要が
ある。このようなロール水平度の測定は、従来次のよう
に行なわれていた。即ち、第3図(イ)に概略正面図で
、第3図(ロ)に概略側面図で示すように、ロール1の
一端部近傍の一側方に、ピアノ線2を垂直に張設する。
For example, when installing a roll into a rolling mill, it is necessary to measure the horizontality and squareness of the roll core, ie, the roll, to confirm the accuracy of the installation of the roll. Such roll horizontality measurement has conventionally been carried out as follows. That is, as shown in a schematic front view in FIG. 3(A) and in a schematic side view in FIG. 3(B), the piano wire 2 is stretched vertically on one side near one end of the roll 1. .

ロール1の一端部に、ロール1の軸線と直交する、その
先端にマイクロメータ3aji有する測定治具3を取り
付ける。
A measuring jig 3 having a micrometer 3aji at its tip is attached to one end of the roll 1, perpendicular to the axis of the roll 1.

先ず測定治具3がロール1の上方にあるときの、測定治
具3の先端と前記先端に対応するピアノ線2の位置(a
点)との間の距離Xt−測定する。次いで、ロール1を
その軸線を中心として180°回転させ、測定治具3が
ロール1の下方にあるときの、測定治具3の先端と前記
先端に対応するピアノ線2の位置(b点)との間の距離
yt測測定る。
First, when the measuring jig 3 is above the roll 1, the position of the tip of the measuring jig 3 and the piano wire 2 corresponding to the tip (a
point). Next, the roll 1 is rotated 180 degrees around its axis, and when the measuring jig 3 is below the roll 1, the position of the tip of the measuring jig 3 and the piano wire 2 corresponding to the tip (point b) Measure the distance yt between.

ピアノ線2の前記a点と前記す点との間の距離tを測定
し、水平度? ’−’ (m/m )によって求める。
Measure the distance t between the point a and the point of the piano wire 2, and check the levelness? '-' (m/m).

また、ロール直角度の測定は、従来次のように行なわれ
ていた。即ち、第4図(イ)に概略正面図で、第4図(
ロ)に概略側面図で示すように、ロール1の一端部近傍
の上方に、ピアノ線2を水平に張設する。ロール1の一
端部に、ロール1の軸線と直交する、その先端にマイク
ロメータ3aを有する測定治具3を取り付ける。
Furthermore, the roll perpendicularity has conventionally been measured as follows. That is, FIG. 4(a) is a schematic front view, and FIG. 4(a) is a schematic front view.
As shown in the schematic side view in b), the piano wire 2 is stretched horizontally above one end of the roll 1 and above. A measuring jig 3 having a micrometer 3a at its tip, which is perpendicular to the axis of the roll 1, is attached to one end of the roll 1.

先ず測定治具3がロール1の一側方にあるときの、測定
治具3の先端と前記先端に対応するピアノ線2の位置(
C点)との間の距離xyk測定する。
First, when the measuring jig 3 is on one side of the roll 1, the position of the tip of the measuring jig 3 and the piano wire 2 corresponding to the tip (
Measure the distance xyk between point C).

次いで、ロール1をその軸線を中心として180゜回転
させ、測定治具3がロール1の他側方にあるときの、測
定治具3の先端と前記先端に対応するピアノ線2の位置
(d点)との間の距離y’に測定する。ピアノ線2の前
記C点とd点との間の距離tを測定し、直角度を上述し
たように、コニシ(、,7m)によって求める。
Next, the roll 1 is rotated 180 degrees around its axis, and the position (d) of the tip of the measuring jig 3 and the piano wire 2 corresponding to the tip when the measuring jig 3 is on the other side of the roll 1 is point). The distance t between the points C and d of the piano wire 2 is measured, and the perpendicularity is determined by Konishi (, 7 m) as described above.

しかしながら、上述の従来の方法には、次のような問題
がある。即ち、ピアノ線を張設する際に、付近に配置さ
れている機器が邪魔になることが多く、これらの機器の
取外しが必要になるため、長時間操業を停止しなければ
ならない。測定治具3の先端とピアノ線2との間の距離
をマイクロメータによって読みとる作業が容易ではなく
、作業に長時間を要する上、測定精度上からも問題があ
る。
However, the above conventional method has the following problems. That is, when the piano wire is being stretched, devices placed nearby often get in the way, and it is necessary to remove these devices, which requires the operation to be stopped for a long time. It is not easy to read the distance between the tip of the measuring jig 3 and the piano wire 2 using a micrometer, it takes a long time, and there are also problems in terms of measurement accuracy.

〔発明の目的〕[Purpose of the invention]

従って、この発明の目的は、スタンドに組み込まれたロ
ールの水平度または直角度を、短時間に簡単容易に且つ
高精度で測定することができるロール芯の測定方法を提
供することにある。
Therefore, an object of the present invention is to provide a method for measuring a roll core that can easily and easily measure the horizontality or squareness of a roll incorporated in a stand with high accuracy in a short period of time.

〔発明の概要〕[Summary of the invention]

この発明は、基盤の一端に設けられた、スリット状のレ
ーザービーム発光口を有するレーザー発光器と、前記基
盤の他端に設けられた、スリット状のレーザービーム受
光口を有するレーザー受光器と、前記基盤の両端部の位
置調整手段とか゛らなるレーザー測定器を、スタンドに
組み込−z:nたロールの一端部近傍に前記ロールの軸
線と直交するように配置し、前記レーザー測定器配置位
置のライン方向と平行な2点の基準面の各々のラインと
直角方向の出入寸法差に基き、前記位置調整手段によっ
て前記基盤の両端部の位置を調整することにより、前記
レーザー測定器の芯出しを行ない、前記ロールの一端部
に測定棒を前記レーザー発光器から発光されたレーザー
ビームの上流を横切るように取り付け、前記レーザー発
光器から発光され前記レーザー受光器によって受光され
るレーザービームの一部を前記測定棒により遮らせるこ
とによって、レーザービーム幅方向の一端から前記測定
棒の位置までの距離を測定し、次いで、前記ロールを所
定角度回動し、前記測定棒を前記レーザービームの下流
を横切るように位置させ、レーザービームの一部を前記
測定棒により遮らせることによって、その位置における
レーザービーム幅方向の一端から前記測定棒の位置まで
の距離を測定し、このようにして測定され念レーザービ
ーム幅方向の一端から前記測定棒の位置までの距離差に
基いて、ロールの水平度ま念は直角度を測定することに
特徴を有するものである。
This invention includes: a laser emitter having a slit-shaped laser beam emitting port provided at one end of a base; a laser receiver having a slit-shaped laser beam receiving port provided at the other end of the base; A laser measuring device consisting of means for adjusting the position of both ends of the base is installed in a stand and placed near one end of the roll so as to be orthogonal to the axis of the roll, and the position of the laser measuring device is The centering of the laser measuring device is adjusted by adjusting the positions of both ends of the base by the position adjustment means based on the difference in the dimension between the two reference planes parallel to the line direction in the direction perpendicular to the line. A measurement rod is attached to one end of the roll so as to cross upstream of the laser beam emitted from the laser emitter, and a part of the laser beam emitted from the laser emitter and received by the laser receiver is measured. The distance from one end of the laser beam in the width direction to the position of the measuring rod is measured by blocking the laser beam with the measuring rod, and then the roll is rotated by a predetermined angle to move the measuring rod across the downstream side of the laser beam. By obscuring a portion of the laser beam with the measuring rod, the distance from one end in the laser beam width direction at that position to the position of the measuring rod is measured. The horizontality of the roll is characterized by measuring the squareness based on the distance difference from one end in the beam width direction to the position of the measuring rod.

〔発明の構成〕[Structure of the invention]

次に、この発明を図面を参照しながら説明する。 Next, the present invention will be explained with reference to the drawings.

第1図はこの発明の一実施態様を示す概略斜視図、第2
図は概略平面図である。第1図および第2図はロールの
直角度を測定する場合であって、スタンドに組み込まれ
たロール1の一端部下方に、ロール1の軸線と直交する
ように水平にレーザー測定器4を配置する。
Fig. 1 is a schematic perspective view showing one embodiment of the present invention;
The figure is a schematic plan view. 1 and 2 show the case of measuring the perpendicularity of a roll, and a laser measuring device 4 is placed horizontally below one end of the roll 1 incorporated in a stand so as to be perpendicular to the axis of the roll 1. do.

レーザー測定器4は、長方形の基盤5と、基盤5の一端
に設けられた、スリット状のレーザービーム発光ロア全
有するレーザー発光器6と、基盤5の他端に設けられた
、前記レーザービーム発光ロアと対向するレーザービー
ム受光口9を有するレーザー受光器8と、定盤10.1
0上に載置された基盤5の両端の位置をその幅方向に調
整するための位置調整用ゼル)11,11とからなって
いる。レーザー発光器6から発光された帯状のし一ザー
ビームはレーザー受光器8・により受光され、前記レー
ザービーム中に介在する被測定物を走査し、被測定物の
位置、形状等を検出する。
The laser measuring device 4 includes a rectangular base 5, a laser emitter 6 having a slit-shaped laser beam emitting lower provided at one end of the base 5, and a laser emitter 6 provided at the other end of the base 5. A laser receiver 8 having a laser beam receiving port 9 facing the lower part, and a surface plate 10.1.
It consists of position adjustment gels 11, 11 for adjusting the positions of both ends of the base plate 5 placed on the base plate 5 in its width direction. A band-shaped laser beam emitted from the laser emitter 6 is received by a laser receiver 8, and the object to be measured interposed in the laser beam is scanned to detect the position, shape, etc. of the object.

測定に先だち、レーザー測定器4の配置位置におけるラ
イン方向と平行な例えば壁のような垂直な壁面に2点の
基準面A、B’i設定する。そして、第2図に示すよう
に、基準面Aと基準面Bとのラインと直角方向の出入寸
法差cf、ピアノ線およびマイクロメータを使用し測定
する。
Prior to measurement, two reference planes A and B'i are set on a vertical wall surface, such as a wall, parallel to the line direction at the location where the laser measuring device 4 is disposed. Then, as shown in FIG. 2, the entrance/exit dimension difference cf in the direction perpendicular to the line between the reference plane A and the reference plane B is measured using a piano wire and a micrometer.

次に、基準面AおよびBに同一寸法の芯出し用ゲージ1
2 、12’をその先端部がレーザービーム中に位置す
るように取っ付ける。そして、レーザー発光器6からレ
ーザービームを発光し、レーザービーム中における芯出
し用ゲージ12 、12’の先端部の位置即ちレーザー
ビーム幅方向の一端から前記先端部までの距離C1,C
zt”測定する。このようにして測定された距離Crと
02との差C′ヲ求め、その値が前述した基準面Aと基
準面Bとの寸法差Cに一致するように、位置調整用ゼル
)11.11によって基盤5の両端部の位置を調整し、
かくして、レーザー測定器4の芯出しを行なう、次に、
ロール1の一端部に測定棒13を取り付ける。測定棒1
3は、ロール1に嵌着された環状バンド14aと、環状
バンド14aに一端が固定された連結片14bとからな
る取付は治具14の、前記連結片14bの他端にビンに
よって軸着されておシ、その断面形状は円形で、先端が
針状になっている。
Next, a centering gauge 1 of the same size is placed on the reference planes A and B.
2, 12' is attached so that its tip is located in the laser beam. Then, a laser beam is emitted from the laser emitter 6, and the position of the tip of the centering gauge 12, 12' in the laser beam, that is, the distance C1, C from one end in the width direction of the laser beam to the tip
Determine the difference C' between the distance Cr measured in this way and 02, and adjust the position adjustment so that the value matches the dimensional difference C between the reference plane A and the reference plane B described above. Adjust the position of both ends of the base 5 using 11.11,
In this way, the laser measuring device 4 is centered.Next,
A measuring rod 13 is attached to one end of the roll 1. Measuring stick 1
3 comprises an annular band 14a fitted to the roll 1 and a connecting piece 14b whose one end is fixed to the annular band 14a.The attachment is pivoted to the other end of the connecting piece 14b of the jig 14 with a pin. Its cross-sectional shape is circular, with a needle-like tip.

レーザー発光器6からレーザービームを発光し、測定棒
13がレーザービームの上流を横切るように取付は治具
14により位置させる。このようにして、レーザービー
ムの一部を測定棒13にょシ遮らせることによって、第
2図に示すように、レーザービーム上流側の幅方向の一
端から測定棒13までの距離xf測測定る。次いで、ロ
ール11に第1図に矢印に示すように所定角度回動し、
測定棒13をレーザービームの下流を横切るように位置
させる。そして、第2図に示すように、レーザービーム
下流側の幅方向の一端がら測定棒13ま・での距離yを
測定する。
A laser beam is emitted from the laser emitter 6, and the measuring rod 13 is mounted using a jig 14 so as to cross the upstream side of the laser beam. In this way, by blocking a portion of the laser beam by the measuring rod 13, the distance xf from one end in the width direction on the upstream side of the laser beam to the measuring rod 13 is measured, as shown in FIG. Next, the roll 11 is rotated by a predetermined angle as shown by the arrow in FIG.
The measuring rod 13 is positioned across the downstream of the laser beam. Then, as shown in FIG. 2, the distance y from one end in the width direction on the downstream side of the laser beam to the measuring rod 13 is measured.

次に、基盤5上にその長さ方向に取り付けられたスケー
ル15によって、測定棒13の上述した測定位置間の距
離tを測定する。そして、コニと<mym>  ’を求
めることによりロールの直角層km単容易に測定するこ
とができる。
Next, the distance t between the above-mentioned measurement positions of the measuring rod 13 is measured using a scale 15 attached to the base 5 in its length direction. Then, by determining the thickness and <mym>', the perpendicular layer km of the roll can be easily measured.

ロールの水平度を測定する場合は9、レーザー測定器4
を、スタンドに組み込まれたロールlの一端部側方に、
ロール1の軸線の直交するように垂直に配置すればよく
、測定方法は上述した直角度を測定する場合と同一であ
るので説明を省略する。
9 to measure the horizontality of the roll, laser measuring device 4
on the side of one end of the roll l incorporated in the stand,
It is sufficient to arrange it vertically so as to be orthogonal to the axis of the roll 1, and the measurement method is the same as that for measuring the perpendicularity described above, so a description thereof will be omitted.

なお、この場合、測定棒13が水平に位置するようにな
るので、測定棒13が垂下しないように、取付は治具の
連結片14bにストツノξで固定する必要がある。
Note that in this case, since the measuring rod 13 is positioned horizontally, it is necessary to fix the measuring rod 13 to the connecting piece 14b of the jig with a straight horn ξ so that the measuring rod 13 does not droop.

〔発明の効果〕〔Effect of the invention〕

以上述べたように、この発明によれば、スタンドに組み
込まれたロールの水平度または直角度を、短時間に簡単
容易に且つ高1度で測定することができる工業上優れた
効果がもたらされる。
As described above, according to the present invention, an excellent industrial effect is brought about in that the horizontality or perpendicularity of a roll incorporated in a stand can be easily and easily measured in a short time at a height of 1 degree. .

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はこの発明の一実施態様を示す概略斜視図、第2
図は概略平面図、第3図ビ)は従来のロール水平度測定
方法の一例を示す概略正面図、同図(ロ)は概略側面図
、第4図(イ)は従来のロール直角度測定方法の一例を
示す概略正面図、同図(ロ)は概略側面図である。図面
において、 1・・・ロール、     2・・・ピアノ線、3・・
・測定治具、    イ・・・レーザー測定器、5・・
・基盤、      6・・・レーザー発光器、7・・
・レーザービーム発光口、 8・・・レーザー受光器、 9・・・レーザービーム受光口、 10・・・定盤、     11・・・位置調整ゼルト
、12・・・芯出し用ゲージ、13・・・測定棒、14
・・・取付は治具、  15・・・スケール。
Fig. 1 is a schematic perspective view showing one embodiment of the present invention;
The figure is a schematic plan view, Figure 3 (B) is a schematic front view showing an example of the conventional roll horizontality measurement method, Figure 4 (B) is a schematic side view, and Figure 4 (A) is a conventional roll squareness measurement method. A schematic front view showing an example of the method, and the same figure (b) is a schematic side view. In the drawing, 1...roll, 2...piano wire, 3...
・Measuring jig, A... Laser measuring device, 5...
・Base, 6... Laser emitter, 7...
・Laser beam emitting port, 8... Laser receiver, 9... Laser beam receiving port, 10... Surface plate, 11... Position adjustment bolt, 12... Centering gauge, 13...・Measuring rod, 14
...Mounting with jig, 15...Scale.

Claims (1)

【特許請求の範囲】 基盤の一端に設けられた、スリット状のレーザービーム
発光口を有するレーザー発光器と、前記基盤の他端に設
けられた、スリット状のレーザービーム受光口を有する
レーザー受光器と、前記基盤の両端部の位置調整手段と
からなるレーザー測定器を、スタンドに組み込まれたロ
ールの一端部近傍に前記ロールの軸線と直交するように
配置し、前記レーザー測定器配置位置のライン方向と平
行な2点の基準面の各々のラインと直角方向の出入寸法
差に基き、前記位置調整手段によつて前記基盤の両端部
の位置を調整することにより、前記レーザー測定器の芯
出しを行ない、 前記ロールの一端部に測定棒を前記レーザー発光器から
発光されたレーザービームの上流を横切るように取り付
け、前記レーザー発光器から発光され前記レーザー受光
器によつて受光されるレーザービームの一部を前記測定
棒により遮らせることによつて、レーザービーム幅方向
の一端から前記測定棒の位置までの距離を測定し、 次いで、前記ロールを所定角度回動し、前記測定棒を前
記レーザービームの下流を横切るように位置させ、レー
ザービームの一部を前記測定棒により遮らせることによ
つて、その位置におけるレーザービーム幅方向の一端か
ら前記測定棒の位置までの距離を測定し、 このようにして測定されたレーザービーム幅方向の一端
から前記測定棒の位置までの距離差に基いて、ロールの
水平度または直角度を測定することを特徴とするロール
芯の測定方法。
[Scope of Claims] A laser emitter having a slit-shaped laser beam emitting port provided at one end of the substrate, and a laser receiver having a slit-shaped laser beam receiving port provided at the other end of the substrate. and position adjusting means for both ends of the base is placed near one end of the roll incorporated in the stand so as to be perpendicular to the axis of the roll, and the laser measuring device is aligned with the position of the laser measuring device. The centering of the laser measuring device is performed by adjusting the positions of both ends of the base by the position adjustment means based on the difference in the entrance and exit dimensions in the direction perpendicular to each line of two reference planes parallel to the direction. Attach a measuring rod to one end of the roll so as to cross upstream of the laser beam emitted from the laser emitter, and measure the laser beam emitted from the laser emitter and received by the laser receiver. The distance from one end of the laser beam in the width direction to the position of the measuring rod is measured by blocking a portion of the laser beam with the measuring rod, and then the roll is rotated by a predetermined angle to move the measuring rod to the laser beam. The distance from one end of the laser beam width direction at that position to the position of the measuring rod is measured by placing the laser beam across the downstream of the beam and blocking a part of the laser beam with the measuring rod. A method for measuring a roll core, comprising measuring the horizontality or perpendicularity of the roll based on the thus measured difference in distance from one end in the width direction of the laser beam to the position of the measuring rod.
JP9812686A 1986-04-30 1986-04-30 Measuring method for roll core Pending JPS63118606A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9812686A JPS63118606A (en) 1986-04-30 1986-04-30 Measuring method for roll core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9812686A JPS63118606A (en) 1986-04-30 1986-04-30 Measuring method for roll core

Publications (1)

Publication Number Publication Date
JPS63118606A true JPS63118606A (en) 1988-05-23

Family

ID=14211582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9812686A Pending JPS63118606A (en) 1986-04-30 1986-04-30 Measuring method for roll core

Country Status (1)

Country Link
JP (1) JPS63118606A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0428405A (en) * 1990-05-21 1992-01-31 Kawasaki Steel Corp Rearranging method of horizontal rolling roll of which rolling width is variable and its device
US6167325A (en) * 1996-03-29 2000-12-26 Fanuc Ltd. CNC data correction method
KR100919013B1 (en) * 2002-11-20 2009-09-24 주식회사 포스코 Device for measuring right-angled degree of assembling type roll
JP2010155274A (en) * 2008-12-28 2010-07-15 Jfe Steel Corp Roll alignment management method of tandem rolling mill
CN109655016A (en) * 2019-02-15 2019-04-19 广西玉柴机器股份有限公司 A kind of scene part angle measuring device and method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5791877A (en) * 1980-11-28 1982-06-08 Nippon Kokan Kk <Nkk> Rotary arc welding method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5791877A (en) * 1980-11-28 1982-06-08 Nippon Kokan Kk <Nkk> Rotary arc welding method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0428405A (en) * 1990-05-21 1992-01-31 Kawasaki Steel Corp Rearranging method of horizontal rolling roll of which rolling width is variable and its device
US6167325A (en) * 1996-03-29 2000-12-26 Fanuc Ltd. CNC data correction method
KR100919013B1 (en) * 2002-11-20 2009-09-24 주식회사 포스코 Device for measuring right-angled degree of assembling type roll
JP2010155274A (en) * 2008-12-28 2010-07-15 Jfe Steel Corp Roll alignment management method of tandem rolling mill
CN109655016A (en) * 2019-02-15 2019-04-19 广西玉柴机器股份有限公司 A kind of scene part angle measuring device and method
CN109655016B (en) * 2019-02-15 2020-06-26 广西玉柴机器股份有限公司 On-site part angle measuring device and method

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