KR100452302B1 - Apparatus for taper measuring on sleeve for hot strip mill - Google Patents
Apparatus for taper measuring on sleeve for hot strip mill Download PDFInfo
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- KR100452302B1 KR100452302B1 KR10-2001-0084413A KR20010084413A KR100452302B1 KR 100452302 B1 KR100452302 B1 KR 100452302B1 KR 20010084413 A KR20010084413 A KR 20010084413A KR 100452302 B1 KR100452302 B1 KR 100452302B1
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- sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
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- 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
- B21B27/02—Shape or construction of rolls
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- Mechanical Engineering (AREA)
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- Geometry (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
본 발명은 제철소에서 열간압연시 사용되는 열연롤의 양쪽 저널부에 위치하는 열연슬리브의 연마테이퍼 측정장치에 관한 것으로서, 보다 상세하게는 슬리브 내경각도와 동일한 각도(θ)를 가지는 2개의 테이퍼게이지를 사용하고, 이들 2개의 테이퍼게이지 측정면간 측정거리를 프린터가 연결된 디지털 바 마이크로메타를 이용하여 측정함으로써, 측정오차를 줄이고, 보다 용이하게 슬리브의 테이퍼정도를 측정할 수 있는 테이퍼 측정장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polishing taper measuring device for hot rolled sleeves positioned at both journal portions of a hot rolled roll used in a steel mill, and more particularly, two tapered gauges having the same angle θ as the inner diameter of the sleeve. The present invention relates to a taper measuring device capable of reducing the measurement error and more easily measuring the taper degree of a sleeve by measuring the measurement distance between these two tapered gauge measuring surfaces using a digital bar micrometer connected to a printer.
Description
본 발명은 제철소에서 열간압연시 사용되는 열연롤의 양쪽 저널부에 위치하는 열연슬리브의 연마테이퍼 측정장치에 관한 것으로서, 보다 상세하게는 슬리브 내경각도와 동일한 각도(θ)를 가지는 2개의 테이퍼게이지를 사용하고, 이들 2개의 테이퍼게이지 측정면간 측정거리를 프린터가 연결된 디지털 바 마이크로메타를 이용하여 측정함으로써, 측정오차를 줄이고, 보다 용이하게 슬리브의 테이퍼정도를 측정할 수 있는 테이퍼 측정장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polishing taper measuring device for hot rolled sleeves positioned at both journal portions of a hot rolled roll used in a steel mill, and more particularly, two tapered gauges having the same angle θ as the inner diameter of the sleeve. The present invention relates to a taper measuring device capable of reducing the measurement error and more easily measuring the taper degree of a sleeve by measuring the measurement distance between these two tapered gauge measuring surfaces using a digital bar micrometer connected to a printer.
일반적으로, 열간압연기용 슬리브(sleeve)는 제철소에서 열간압연시 사용되는 열연롤의 양쪽 저널부에 위치하는 것으로서, 도 1에 나타낸 바와 같이, 외경은 평행하고, 내경이 테이퍼(taper)진 형상을 가지고 있으며, 통상 내경조도는 Rmax 값으로 0.5S 이하가 요구되고, 테이퍼 정밀도는 5/1,000 이하가 요구된다.Generally, a sleeve for a hot rolling mill is located at both journal portions of a hot rolled roll used in a hot mill in a steel mill. As shown in FIG. 1, the outer diameter is parallel and the inner diameter is tapered. In general, the inner roughness is required to be 0.5 S or less in the Rmax value, and the taper accuracy is required to be 5 / 1,000 or less.
상기 열간압연기용 슬리브는 SCM5 등의 재질을 주조-단조-열처리-가공하여 사용하며, 최종 가공단계에서 내면을 테이퍼 연마하여 사용한다.The hot rolling sleeve is used by casting-forging-heat treatment-processing a material such as SCM5, and is used by taping and polishing the inner surface in the final processing step.
이때, 연마가공단계에서 테이퍼진 부분의 테이퍼 각도는 정밀도를 요하므로, 가공후 부위별 테이퍼 정밀도를 확인하는 작업을 하게 되는데, 종래의 경우, 도 2 및 도 3에 도시한 바와 같이, 슬리브 내경각도의 2배인 2θ의 크기를 가지는 경사면 테이퍼게이지(taper gauge)(1)를 설치하여, 경사면 테이퍼게이지 노드(2)와 슬리브의 벽면 사이를 바 마이크로메타(bar micrometer)(3)로 측정하고, 다시 아래부위의 노드(4)와 평행한 슬리브면을 측정하여, 두위치의 측정길이 차이로 테이퍼 경사정도를 확인하여 왔다.At this time, since the taper angle of the tapered portion in the polishing step requires precision, the work is performed to check the taper precision for each part after processing, in the conventional case, as shown in Figure 2 and 3, the sleeve inner diameter angle An inclined taper gauge 1 having a size of 2θ, which is twice the size of 2θ, was installed, and a bar micrometer 3 was measured between the inclined taper gauge node 2 and the wall of the sleeve. The sleeve surface parallel to the node 4 in the lower part was measured, and the taper inclination degree was confirmed by the difference in the measurement lengths of the two positions.
그러나, 슬리브의 내경은 테이퍼진 상태이면서, 곡면을 형성하고 있으므로, 게이지의 노드와 평행하는 슬리브곡면의 기준점을 정확히 측정하기에는 많은 경험을 필요로 하고, 측정하는 사람에 따라 오차가 날 가능성이 컸다.However, since the inner diameter of the sleeve is in a tapered state and forms a curved surface, much experience is required to accurately measure the reference point of the sleeve curved surface parallel to the node of the gauge, and there is a possibility that an error may occur depending on the measuring person.
본 발명은 상기와 같은 제반 문제점을 해결하기 위하여 창안된 것으로서, 초보자들도 쉽게 부위별 테이퍼정도를 확인하고, 측정오차를 줄일 수 있도록, 슬리브 내경각도와 동일한 각도(θ)를 가지는 2개의 테이퍼게이지를 동시에 사용하고, 이들 2개의 테이퍼게이지 측정면간 측정거리를 프린터가 연결된 디지털 바 마이크로메타를 이용하여 측정, 기록하여, 측정거리를 보다 편리하게 확인 및 보관할 수 있는 열간압연기용 테이퍼 측정장치를 제공하는데 그 목적이 있다.The present invention was devised to solve the above-mentioned problems, and two taper gauges having the same angle (θ) as the inner diameter of the sleeve so that even beginners can easily check the taper accuracy of each part and reduce the measurement error. To measure and record the distance between these two tapered gauges using the digital bar micrometer connected to the printer. The purpose is.
본 발명의 다른 목적 및 장점들은 하기에 설명될 것이며, 본 발명의 실시에 의해 알게 될 것이다. 또한, 본 발명의 목적 및 장점들은 첨부된 특허청구범위에 나타낸 수단 및 조합에 의해 실현될 수 있다.Other objects and advantages of the invention will be described below and will be appreciated by the practice of the invention. Furthermore, the objects and advantages of the present invention can be realized by means and combinations indicated in the appended claims.
도 1은 통상적인 열간압연기용 슬리브를 나타낸 것으로서, (a)는 평면도, (b) 종단면도.Figure 1 shows a conventional hot rolling sleeve, (a) is a plan view, (b) a longitudinal cross-sectional view.
도 2는 종래의 열간압연기용 내경면 테이퍼 측정상황을 보여주는 사시도.Figure 2 is a perspective view showing the inner diameter taper measurement status of a conventional hot rolling mill.
도 3은 종래의 열간압연기용 내경면 테이퍼 측정원리를 보여주는 단면도.Figure 3 is a cross-sectional view showing the principle of measuring the inner diameter taper for hot rolling mill in the related art.
도 4는 본 발명에 따른 열간압연기용 내경면 테이퍼 측정상황을 보여주는 사시도.Figure 4 is a perspective view showing the inner diameter taper measurement situation for a hot rolling mill according to the present invention.
도 5는 본 발명에 따른 열간압연기용 내경면 테이퍼 측정원리를 보여주는 단면도.Figure 5 is a cross-sectional view showing the inner diameter taper measuring principle for hot rolling mill according to the present invention.
도 6은 본 발명에 따른 테이퍼게이지의 측면도(a) 및 정면도(b).6 is a side view (a) and a front view (b) of a tapered gauge according to the present invention.
도 7은 본 발명에 따라 2개의 테이퍼게이지를 대향 설치하는데 사용되는 중심봉을 보여주는 측면도(a) 및 정면도(b).Figure 7 is a side view (a) and a front view (b) showing a central rod used to oppose two taper gauges in accordance with the present invention.
<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>
5 : 테이퍼게이지(taper gauge) 6 : 지지봉5: taper gauge 6: support rod
8 : 조임쇄 9 : V자홈8 fastening chain 9 V-groove
10 : 중심봉10: center rod
11 : 디지털 바 마이크로메타(digital bar micrometer)11: digital bar micrometer
12∼19 : 측정면 21 : 프린터12 to 19: measuring surface 21: printer
상기와 같은 목적을 달성하기 위한 본 발명의 열간압연기용 슬리브의 테이퍼 측정장치는, 열간압연시 열연롤의 양쪽 저널부에 위치하며, 내경이 테이퍼진 면을가지는 슬리브의 테이퍼정도를 측정하는 장치로서, 2개가 한쌍으로 대향 설치되어 사용되며, 측정 대상의 상기 슬리브의 내경각도와 동일한 각도의 경사면을 가지고, 수직 평면상에 다수의 측정면(12∼19)을 가지는 형상으로, 구비된 구멍(7)을 관통하여, 상기 슬리브에의 지지를 위해 사용되는 지지봉(6)과, 상기 슬리브에의 고정을 위해 사용되는 조임쇄(8)와, 상부에 일체로 구비된 V자홈(9)으로 구성되는 테이퍼게이지와; 상기 V자 홈(9)에 놓여져, 상기 2개의 테이퍼게이지(5)가 대향되게 일직선상에 설치되도록 맞추는데 사용되는 중심봉(10)과; 상기 2개의 테이퍼게이지(5)의 대응하는 측정면(12∼19)간의 거리를 측정하는데 사용되는 디지털 바 마이크로메타(11); 를 포함하여 구성되는 것을 특징으로 한다.The apparatus for measuring the taper of the sleeve for a hot rolling mill of the present invention for achieving the above object is located in both journals of the hot rolled roll during hot rolling, as an apparatus for measuring the taper degree of the sleeve having an inner diameter tapered surface And a pair of two holes provided opposite to each other, having an inclined surface at an angle equal to the inner diameter angle of the sleeve to be measured, and having a plurality of measuring surfaces 12 to 19 on a vertical plane. ), Consisting of a support rod (6) used for supporting the sleeve, a fastening chain (8) used for fixing to the sleeve, and a V-shaped groove (9) integrally provided at the top. Tapered gauge; A central rod (10) placed in the V-shaped groove (9) and used to align the two tapered gauges (5) to be installed in a straight line oppositely; A digital bar micrometer (11) used to measure the distance between the corresponding measuring surfaces (12 to 19) of the two tapered gauges (5); Characterized in that comprises a.
이하, 첨부된 도면을 참조로 본 발명의 바람직한 실시예를 상세히 설명하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 4 및 도 5는 본 발명에 따라 한쌍의 테이퍼게이지를 이용하여, 슬리브(sleeve)의 테이퍼정도를 측정하는 상황을 보여주는 도면이다.4 and 5 are views showing a situation in which the taper degree of the sleeve (sleeve) is measured using a pair of tapered gauges according to the present invention.
슬리브의 테이퍼를 측정하기 위해, 슬리브 내경각도와 동일한 각도(θ)의 경사면을 가지는, 도 6과 같은 형상의 테이퍼게이지(taper gauge)(5)를 슬리브의 양쪽 끝단에 설치하고, 이때 지지를 위해 지지봉(6)을 사용하며, 지지봉(6)은 테이퍼게이지(5)의 구멍(7)을 관통하여, 슬리브 상면에 걸쳐진다.In order to measure the taper of the sleeve, a taper gauge 5 of the shape as shown in Fig. 6, having an inclined surface at an angle θ equal to the inner diameter of the sleeve, is installed at both ends of the sleeve, for support. The support rod 6 is used, and the support rod 6 penetrates the hole 7 of the tapered gauge 5 and is spread over the upper surface of the sleeve.
한쪽의 테이퍼게이지(5)가 설치되면, 조임쇄(8)를 이용하여 슬리브에 고정시키고, 반대편의 게이지를 설치하게 되며, 이때 반대편 게이지는 측정 중심축에 놓여야 하므로, 이를 맞추기 위해 양쪽 게이지의 상단에 일체로 구비된 V자홈(9)에도 7에 나타낸 중심봉(10)을 올려 놓아, 중심봉(10)이 양쪽게이지(5)의 V자홈(9)에 일치되게 놓이면, 상대편 게이지(5)의 조임쇄(8)를 조여 고정시킨다.When one taper gauge 5 is installed, it is fixed to the sleeve using a fastening chain 8 and the opposite gauge is installed. In this case, the opposite gauge should be placed on the measurement center axis, The center bar 10 shown in 7 is also placed on the V-shaped groove 9 provided integrally at the upper end, and when the center bar 10 is placed to match the V-shaped groove 9 of both gauges 5, Tighten the clamping chain (8) to fix it.
고정이 끝나면, 디지털 바 마이크로메타(digital bar micrometer)(11)를 이용하여, 테이퍼게이지(5)의 양쪽 측정면(12)(13)을 측정한다.After the fixing is completed, both measuring surfaces 12 and 13 of the tapered gauge 5 are measured using a digital bar micrometer 11.
이때, 마이크로메타(11)의 양쪽 끝단면은 수직평면이고, 테이퍼게이지(5)의 측정면(12∼19) 또한 수직평면으로 하여, 측정지점을 상하로 약간씩 옮기더라도, 측정거리에 변화가 없도록 한다.At this time, both end faces of the micrometer 11 are vertical planes, and the measuring planes 12 to 19 of the tapered gauges 5 are also vertical planes, and even if the measuring point is moved up and down slightly, the measurement distance changes. Do not.
첫부위의 게이지 측정면(12, 13)에 대한 측정이 끝나면, 하부의 다음 측정면(14, 15)간의 거리를 측정하며, 좀 더 정확한 측정을 위하여, 게이지의 하단에 위치하는 나머지 측정면(16, 17)(18, 19)에 대한 거리도 측정할 수 있다.After the measurement on the gauge measuring surface 12, 13 of the first part is finished, the distance between the next measuring surface 14, 15 of the lower part is measured, and for a more accurate measurement, the remaining measuring surface (located at the bottom of the gauge) 16, 17) (18, 19) can also be measured for distance.
측정거리는 마이크로메타(11) 상에서 디지털로 편리하게 확인 가능하며, 마이크로메타(11)에 케이블(20)로 연결된 프린트(21)로 인쇄 또한 가능하여, 측정결과를 추후에도 확인 및 보관할 수 있게 된다.The measurement distance can be conveniently confirmed digitally on the micrometer 11, and can also be printed by the print 21 connected to the micrometer 11 by a cable 20, so that the measurement result can be checked and stored later.
이상과 같이, 본 발명은 비록 한정된 실시예와 도면에 의해 설명되었으나, 본 발명은 이것에 의해 한정되지 않으며, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해, 본 발명의 기술사상과 아래에 기재될 특허청구범위의 균등범위 내에서 다양한 수정 및 변형이 가능함은 물론이다.As mentioned above, although this invention was demonstrated by the limited embodiment and drawing, this invention is not limited by this, The person of ordinary skill in the art to which this invention belongs, Of course, various modifications and variations are possible within the scope of the claims to be described below.
본 발명에 따르면, 슬리브의 테이퍼정도를 측정시, 측정자에 따른 오차가 거의 없고, 초보자도 쉽게 측정 가능하며, 측정거리를 보다 편리하게 확인 및 보관할수 있게 된다.According to the present invention, when measuring the degree of taper of the sleeve, there is almost no error by the measurer, even beginners can easily measure, and the measuring distance can be more conveniently checked and stored.
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|---|---|---|---|
| KR10-2001-0084413A KR100452302B1 (en) | 2001-12-24 | 2001-12-24 | Apparatus for taper measuring on sleeve for hot strip mill |
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| KR10-2001-0084413A KR100452302B1 (en) | 2001-12-24 | 2001-12-24 | Apparatus for taper measuring on sleeve for hot strip mill |
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| KR20030054276A KR20030054276A (en) | 2003-07-02 |
| KR100452302B1 true KR100452302B1 (en) | 2004-10-08 |
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|---|---|---|---|---|
| JPS5290064U (en) * | 1975-12-27 | 1977-07-05 | ||
| JPH05126502A (en) * | 1991-10-31 | 1993-05-21 | Ntn Corp | Method for measuring dimensions of thin ring |
| JPH0680105U (en) * | 1993-04-28 | 1994-11-08 | 株式会社スイケンテクノロジー | Inner diameter measuring tool |
| KR20000048180A (en) * | 1998-12-30 | 2000-07-25 | 이구택 | Device and method for setting the casting width and taper of mould narrow face of continuous casting machine |
-
2001
- 2001-12-24 KR KR10-2001-0084413A patent/KR100452302B1/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5290064U (en) * | 1975-12-27 | 1977-07-05 | ||
| JPH05126502A (en) * | 1991-10-31 | 1993-05-21 | Ntn Corp | Method for measuring dimensions of thin ring |
| JPH0680105U (en) * | 1993-04-28 | 1994-11-08 | 株式会社スイケンテクノロジー | Inner diameter measuring tool |
| KR20000048180A (en) * | 1998-12-30 | 2000-07-25 | 이구택 | Device and method for setting the casting width and taper of mould narrow face of continuous casting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20030054276A (en) | 2003-07-02 |
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