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CN201760574U - Continuous casting fixed-length detection cutter - Google Patents

Continuous casting fixed-length detection cutter Download PDF

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CN201760574U
CN201760574U CN2010202826846U CN201020282684U CN201760574U CN 201760574 U CN201760574 U CN 201760574U CN 2010202826846 U CN2010202826846 U CN 2010202826846U CN 201020282684 U CN201020282684 U CN 201020282684U CN 201760574 U CN201760574 U CN 201760574U
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continuous casting
cutting
encoder
length
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和刚
张科
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Pangang Group Steel Vanadium and Titanium Co Ltd
Pangang Group Panzhihua Steel and Vanadium Co Ltd
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Pangang Group Steel Vanadium and Titanium Co Ltd
Pangang Group Panzhihua Steel and Vanadium Co Ltd
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Abstract

一种连铸坯定尺检测切割装置,包括具有主动辊和从动辊的拉矫机以及切割机单元,还包括:拉矫机编码器单元;人机界面单元;可编程逻辑控制单元与拉矫机编码器单元、人机界面单元和切割机单元连接,以接收拉矫机编码器单元产生的脉冲信号然后将脉冲信号转换为铸坯长度值,并且接收人机界面单元输入的定尺长度和定尺长度偏差修正值,然后对经过定尺长度偏差修正值修正的定尺长度设定值与铸坯长度值进行比较,当铸坯长度值大于或等于长度设定值时,可编程逻辑控制单元向切割机单元发出切割指令。本实用新型的连铸坯定尺检测切割装置具有稳定性高、故障率低、精确度高、操作方便、适应性强的特点。

Figure 201020282684

A continuous casting slab measuring and cutting device, including a tension leveler with a driving roller and a driven roller and a cutting machine unit, and also includes: a tension leveler encoder unit; a human-machine interface unit; a programmable logic control unit and a tensioner The encoder unit of the leveling machine, the man-machine interface unit and the cutting machine unit are connected to receive the pulse signal generated by the encoder unit of the tension leveler and then convert the pulse signal into the slab length value, and receive the cut length input by the man-machine interface unit and the fixed length deviation correction value, and then compare the fixed length setting value corrected by the fixed length deviation correction value with the slab length value. When the slab length value is greater than or equal to the length setting value, the programmable logic The control unit sends a cutting command to the cutter unit. The continuous casting slab measuring and cutting device of the utility model has the characteristics of high stability, low failure rate, high precision, convenient operation and strong adaptability.

Figure 201020282684

Description

一种连铸坯定尺检测切割装置 A continuous casting slab measuring and cutting device

技术领域technical field

本实用新型涉及连铸机械设备领域,更具体地讲,涉及一种用于连铸坯定尺检测切割装置。The utility model relates to the field of continuous casting machinery and equipment, in particular to a measuring and cutting device for continuous casting slabs.

背景技术Background technique

目前,连铸工艺广泛应用于钢铁冶金行业。通常,连铸生产工艺过程为:从中间包注入到结晶器中的铁水经过二次冷却区形成带有液芯的铸坯;在拉坯矫直机(简称为拉矫机)的作用下,铸坯被从结晶器中连续拉出并矫直;完成矫直后,通过切割装置将连铸坯切割成所需长度。连铸坯定尺检测装置用于检测铸坯长度值,以确保切割装置能够将连铸坯精确地切割成所需长度。At present, the continuous casting process is widely used in the iron and steel metallurgy industry. Usually, the continuous casting production process is as follows: the molten iron injected from the tundish into the crystallizer passes through the secondary cooling zone to form a slab with a liquid core; The slab is continuously drawn from the mold and straightened; after straightening, the slab is cut to the required length by a cutting device. The continuous casting slab length detection device is used to detect the length of the slab to ensure that the cutting device can accurately cut the continuous casting slab to the required length.

在现有技术中,通常通过测量驱动辊的转动来检测连铸坯的切割定尺长度。于2008年1月9日授权的第200620130803号中国实用新型专利公开了一种连铸机定尺切割装置,该专利利用拉坯辊的转速与拉坯辊变频驱动装置所输出的电压电流信号之间的关系来测量铸坯的长度。然而,拉坯辊作为驱动铸坯前进的驱动辊,通常在拉坯辊与连铸坯之间会存在打滑现象,这会导致不能准确测得铸坯的位移量,从而造成无法精确控制铸坯的切割长度。In the prior art, the cut-to-length length of the continuous casting slab is usually detected by measuring the rotation of the driving roll. The Chinese utility model patent No. 200620130803 authorized on January 9, 2008 discloses a continuous casting machine cut-to-length cutting device. The relationship between them is used to measure the length of the slab. However, the casting roll is used as the driving roll to drive the casting slab forward, and there is usually a slipping phenomenon between the casting roll and the continuous casting slab, which will lead to the inability to accurately measure the displacement of the casting slab, resulting in the inability to accurately control the casting slab cutting length.

于2009年12月16日公开的第101602097号中国发明专利申请公开披露了一种连铸坯运动参数检测装置及方法,该申请通过安装在拉矫机从动辊上的编码器来确定连铸坯的位移,从而能够精确地控制铸坯的切割长度。然而,该申请的技术的不足之处在于操作不够简单、并且不能直观地看到切割机的当前状态。Chinese Invention Patent Application No. 101602097 published on December 16, 2009 discloses a device and method for detecting motion parameters of continuous casting slabs. The displacement of the slab, so that the cutting length of the slab can be precisely controlled. However, the technology of this application has disadvantages in that the operation is not simple enough, and the current state of the cutting machine cannot be seen intuitively.

综上所述,亟需一种能够精确控制铸坯的切割长度并且操作方便的连铸坯定尺检测切割装置。To sum up, there is an urgent need for a continuous casting slab measuring and cutting device that can accurately control the cutting length of the slab and is easy to operate.

实用新型内容Utility model content

针对现有技术存在的以上不足,本实用新型提供了一种连铸坯定尺检测切割装置,在所述装置中,检测连铸坯位移的编码器安装在拉矫机的从动辊上,人机界面与可编程逻辑控制单元相互通信,从而能够精确检测连铸坯的定尺长度并且操作方便。Aiming at the above deficiencies in the prior art, the utility model provides a continuous casting slab measuring and cutting device, in the device, the encoder for detecting the displacement of the continuous casting slab is installed on the driven roller of the tension leveling machine, The human-machine interface and the programmable logic control unit communicate with each other, so that the length of the continuous casting slab can be accurately detected and the operation is convenient.

本实用新型的提供了一种连铸坯定尺检测切割装置,包括具有主动辊和从动辊的拉矫机以及切割机单元,还包括:拉矫机编码器单元,包括安装在拉矫机的从动辊上的编码器,以产生与铸坯移动的位移对应的脉冲信号;人机界面单元,用于手动输入定尺长度设定值和定尺长度偏差修正值;可编程逻辑控制单元,与拉矫机编码器单元、人机界面单元和切割单元连接,以接收拉矫机编码器单元产生的脉冲信号然后将脉冲信号转换为铸坯长度值,并且接收人机界面单元输入的定尺长度和定尺长度偏差修正值,然后对将铸坯长度值与经过定尺长度偏差修正值修正的定尺长度设定值进行比较,当铸坯长度值大于或等于长度设定值时,可编程逻辑控制单元向切割机单元发出切割指令。The utility model provides a continuous casting slab measuring and cutting device, which includes a tension leveler and a cutting machine unit with a driving roller and a driven roller, and also includes: a tension leveler encoder unit, including a tension leveler installed on the tension leveler The encoder on the driven roller is used to generate the pulse signal corresponding to the displacement of the slab; the human-machine interface unit is used to manually input the set value of the fixed length and the correction value of the fixed length deviation; the programmable logic control unit , connected with the encoder unit of the tension leveler, the man-machine interface unit and the cutting unit to receive the pulse signal generated by the encoder unit of the tension leveler and then convert the pulse signal into the length of the slab, and receive the fixed value input by the man-machine interface unit length and length deviation correction value, and then compare the slab length value with the set length value corrected by the slab length deviation correction value, when the slab length value is greater than or equal to the length set value, The programmable logic control unit sends cutting instructions to the cutting machine unit.

根据本实用新型的连铸坯定尺检测切割装置还可包括与拉矫机编码器单元并行且连接到可编程逻辑控制单元的红外定尺系统。The continuous casting slab measuring and cutting device according to the utility model may also include an infrared measuring system parallel to the encoder unit of the tension leveler and connected to the programmable logic control unit.

根据本实用新型的连铸坯定尺检测切割装置,人机界面单元可包括用于采集并统计分析连铸坯定尺检测切割过程中的班次、定尺数据和异常情况的数据的数据库单元。According to the continuous casting slab measuring and cutting device of the present utility model, the man-machine interface unit may include a database unit for collecting and statistically analyzing shifts, sizing data and abnormal data during the continuous casting slab measuring and cutting process.

根据本实用新型的连铸坯定尺检测切割装置,所述拉矫机编码器单元还可包括减速机构,编码器通过减速机构连接到拉矫机的从动辊上。According to the continuous casting slab measuring and cutting device of the present invention, the encoder unit of the tension leveler may further include a deceleration mechanism, and the encoder is connected to the driven roller of the tension leveler through the deceleration mechanism.

与传统技术相比,本实用新型具有以下优点:Compared with the traditional technology, the utility model has the following advantages:

(1)稳定性高并且故障率低。由于拉矫机编码器与拉矫机从动辊连接,所以避免了拉矫辊与连铸坯之间出现打滑现象,从而提高了连铸坯定尺检测的稳定性。此外,由于从动辊的拉矫机负荷小,且编码器远离热源,所以故障率低。(1) High stability and low failure rate. Since the encoder of the tension leveling machine is connected with the driven roller of the tension leveler, the slipping phenomenon between the tension leveler roll and the continuous casting slab is avoided, thereby improving the stability of the length detection of the continuous casting slab. In addition, the failure rate is low because the tension leveler load of the driven roller is small and the encoder is far away from the heat source.

(2)精确度高。由于拉矫机编码器与拉矫机从动辊通过减速机构连接,所以提高了定尺精确度。(2) High accuracy. Since the encoder of the tension leveling machine is connected with the driven roller of the tension leveling machine through a reduction mechanism, the accuracy of sizing is improved.

(3)操作方便。人机界面与连接有拉矫机编码器单元和切割机单元的可编程逻辑控制单元连接,从而操作人员能够容易地设定定尺长度及定尺长度偏差修正值,并且能够直观地看到切割机的当前状态。(3) Easy to operate. The human-machine interface is connected with the programmable logic control unit connected with the encoder unit of the tension leveling machine and the cutting machine unit, so that the operator can easily set the length of the cut length and the correction value of the length deviation of the cut length, and can visually see the cutting current state of the machine.

(4)在使用拉矫机编码器单元的基础上,耦合了原先被大多数连铸生产线所使用的红外定尺系统。因此,当拉矫机编码器单元出现故障时,可使用备用的红外定尺系统,从而提高了适应性。(4) On the basis of using the encoder unit of the tension leveler, it is coupled with the infrared sizing system originally used by most continuous casting production lines. Therefore, when the encoder unit of the tension leveler fails, a backup infrared sizing system can be used, thereby improving adaptability.

附图说明Description of drawings

图1示出了本实用新型的连铸坯切割定尺装置的控制原理图。Fig. 1 shows the control principle diagram of the continuous casting slab cutting and measuring device of the present invention.

图2示出了应用本实用新型的连铸坯切割定尺装置的连铸工艺的示意图。Fig. 2 shows a schematic diagram of the continuous casting process using the continuous casting slab cutting and measuring device of the present invention.

具体实施方式Detailed ways

在下文中,将参照附图来详细说明本实用新型的示例性实施例。Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

在附图中,相同的标号表示相同的装置。为了清楚起见,可以夸大附图中的部件。In the drawings, the same reference numerals denote the same devices. Components in the figures may be exaggerated for clarity.

图1示出了本实用新型的连铸坯切割定尺装置的控制原理图。图2示出了应用本实用新型的连铸坯切割定尺装置的连铸工艺的示意图。Fig. 1 shows the control principle diagram of the continuous casting slab cutting and measuring device of the present invention. Fig. 2 shows a schematic diagram of the continuous casting process using the continuous casting slab cutting and measuring device of the present invention.

参照图1和图2,根据本实用新型的示例性实施例,连铸坯切割定尺装置包括拉矫机编码器单元1、可编程逻辑控制(PLC)单元2、切割机单元3和人机界面单元4。Referring to Fig. 1 and Fig. 2, according to an exemplary embodiment of the present utility model, the continuous casting slab cutting and sizing device includes a stretching and leveling machine encoder unit 1, a programmable logic control (PLC) unit 2, a cutting machine unit 3 and a man-machine interface unit4.

在本实施例中,拉矫机编码器单元1包括:编码器5和减速机构7。拉矫机6包括主动辊6′和从动辊6″。编码器5通过减速机构7与拉矫机6的从动辊6″连接,以产生脉冲信号。由于从动辊6′的转数与铸坯向前移动的位移成正比,所以脉冲信号与铸坯移动的位移对应。In this embodiment, the encoder unit 1 of the tension leveling machine includes: an encoder 5 and a reduction mechanism 7 . The tension-leveler 6 includes a driving roller 6' and a driven roller 6". The encoder 5 is connected to the driven roller 6" of the tension-leveler 6 through a reduction mechanism 7 to generate a pulse signal. Since the number of revolutions of the driven roller 6' is proportional to the displacement of the cast strand moving forward, the pulse signal corresponds to the displacement of the cast strand.

切割机单元3主要包括常用的切割机夹紧装置、切割枪、大车走行装置、切割枪走行装置等(未示出)。切割机单元3用于实现根据可编程逻辑控制单元2发出的切割指令来对铸坯进行切割。The cutting machine unit 3 mainly includes common cutting machine clamping devices, cutting guns, cart running devices, cutting gun running devices, etc. (not shown). The cutter unit 3 is used for cutting the slab according to the cutting command issued by the programmable logic control unit 2 .

可编程逻辑控制单元2由西门子PLC高速计数模板FM370-1、西门子S7300CPU、西门子S7 300CP及网络附件组成。可编程逻辑控制单元2与编码器5和切割单元3连接,并且能够与人机界面单元4实现相互通信。可编程逻辑控制单元2的高速计数模板FM370-1用于把编码器5传过来脉冲信号采集进可编程逻辑控制单元2,经过可编程逻辑控制单元2的编程计算,转换成一个实时的累加数据变化以表示铸坯铸流跟踪值(即,铸坯长度值),并将铸坯长度值与人机界面单元4传来的经过定尺长度偏差修正值修正的定尺长度设定值进行比较,当铸坯长度值大于或等于长度设定值时,可编程逻辑控制单元2向切割机单元发出切割指令。Programmable logic control unit 2 is composed of Siemens PLC high-speed counting template FM370-1, Siemens S7300CPU, Siemens S7 300CP and network accessories. The programmable logic control unit 2 is connected with the encoder 5 and the cutting unit 3 , and can communicate with the man-machine interface unit 4 . The high-speed counting template FM370-1 of the programmable logic control unit 2 is used to collect the pulse signal from the encoder 5 into the programmable logic control unit 2, and convert it into a real-time accumulated data after programming calculation of the programmable logic control unit 2 Change to represent the slab strand tracking value (that is, the slab length value), and compare the slab length value with the sizing length setting value corrected by the sizing length deviation correction value transmitted from the human-machine interface unit 4 , when the slab length value is greater than or equal to the length setting value, the programmable logic control unit 2 sends a cutting command to the cutting machine unit.

另外,根据本实用新型示例性实施例的连铸坯定尺检测切割装置,在使用拉矫机编码器单元1的基础上,还耦合了原先被大多数连铸生产线所使用的红外定尺系统,红外定尺系统与拉矫机编码器单元1并联到可编程逻辑控制单元2,从而当拉矫机编码器单元1出现故障时,可使用备用的红外定尺系统来代替拉矫机编码器单元1。In addition, the continuous casting slab sizing detection and cutting device according to the exemplary embodiment of the present utility model is coupled with the infrared sizing system originally used by most continuous casting production lines on the basis of using the tension leveler encoder unit 1 , the infrared sizing system and the straightening machine encoder unit 1 are connected in parallel to the programmable logic control unit 2, so that when the tensioning and straightening machine encoder unit 1 fails, the backup infrared sizing system can be used to replace the tensioning and straightening machine encoder Unit 1.

在本实施例中,人机界面(Human Machine Interface,HMI)单元4具有定尺控制画面。操作人员通过人机界面单元4选择定尺方式,输入定尺长度设定值和定尺长度偏差修正值、预夹提前量等数据,人机界面单元4通过以太网通信方式将收到的定尺长度设定值和定尺长度偏差修正值、预夹提前量等数据传输给可编程逻辑控制单元2。In this embodiment, the Human Machine Interface (Human Machine Interface, HMI) unit 4 has a scale control screen. The operator selects the sizing mode through the man-machine interface unit 4, and inputs data such as the set value of the sizing length, the deviation correction value of the sizing length, and the pre-clamping advance amount, and the man-machine interface unit 4 transmits the received sizing through the Ethernet communication method. Data such as the set value of the length of the ruler, the correction value of the deviation of the length of the fixed length, and the pre-clamping advance amount are transmitted to the programmable logic control unit 2.

这里,人机界面单元4一般运行条件如下:(1)编码器5检测正常;(2)可编程逻辑控制单元2通讯正常;(3)连铸机处于浇铸模式,通过来源于连铸机的信号进行判断;(4)在人机界面单元4的操作界面中选择编码器定尺方式或红外定尺方式;(5)切割操作方式处于自动方式,通过来源于连铸机的信号进行判断;(6)在人机界面单元4的操作界面中输入正确的设定定尺长度及定尺长度偏差修正值。Here, the general operating conditions of the man-machine interface unit 4 are as follows: (1) the detection of the encoder 5 is normal; (2) the communication of the programmable logic control unit 2 is normal; (3) the continuous casting machine is in the casting mode, through the (4) select the encoder scale mode or the infrared scale mode in the operation interface of the man-machine interface unit 4; (5) the cutting operation mode is in the automatic mode, and is judged by the signal from the continuous casting machine; (6) In the operation interface of the man-machine interface unit 4, input the correct set length and length deviation correction value.

人机界面单元4具有以下功能:Human-machine interface unit 4 has the following functions:

①实现人机界面功能,可直观看到离切割点的距离、监控当前切割机的状态,并且能够手动设定定尺长度设定值和定尺长度偏差修正值。①Realize the man-machine interface function, you can visually see the distance from the cutting point, monitor the current state of the cutting machine, and can manually set the length setting value and length deviation correction value.

②实现与原红外定尺系统的互为备用功能,在正常生产时优先选择编码器定尺系统,当编码器定尺系统故障时自动切换到原红外定尺系统。②Realize the mutual backup function with the original infrared sizing system. During normal production, the encoder sizing system is preferred. When the encoder sizing system fails, it will automatically switch to the original infrared sizing system.

另外,可通过在人机界面单元2中开发数据库,对班次、定尺数据、异常情况进行统计分析。In addition, by developing a database in the man-machine interface unit 2, statistical analysis can be performed on shifts, cut-to-length data, and abnormal situations.

如图1所示,在连铸工艺中,钢水经过中间包8进入结晶器9,然后通过二次冷却区(未示出),形成局部带有液芯的连铸坯,然后通过拉矫机6进行拉坯和矫直,最后通过连铸坯定尺检测切割单元对矫直后的连铸坯进行定尺检测和切割,以形成符合生产要求长度的铸坯10。As shown in Figure 1, in the continuous casting process, molten steel enters the crystallizer 9 through the tundish 8, and then passes through the secondary cooling zone (not shown) to form a continuous casting slab with a liquid core locally, and then passes through the tension leveler 6. Carry out casting and straightening, and finally measure and cut the straightened continuous casting slab through the continuous casting slab measuring and cutting unit to form a casting slab 10 with a length meeting the production requirements.

采用红外定尺系统的方坯连铸系统的定尺精度在0-50毫米,定尺合格率为95%,采用本实用新型的连铸坯定尺检测切割装置的方坯连铸系统的定尺精度在0-30毫米,定尺合格率达到99%以上。The sizing accuracy of the billet continuous casting system adopting the infrared sizing system is 0-50 mm, and the sizing pass rate is 95%. The accuracy of the ruler is 0-30 mm, and the pass rate of the fixed length is over 99%.

综上所述,本实用新型的连铸坯定尺检测切割装置具有稳定性高、故障率低、精确度高、操作方便、适应性强的特点。In summary, the continuous casting slab measuring and cutting device of the utility model has the characteristics of high stability, low failure rate, high precision, convenient operation and strong adaptability.

尽管上面已经描述了本实用新型的实施例,但是本领域技术人员应该清楚,本实用新型还可以有其它的变形实施例。例如,编码器可直接连接到拉矫机从动辊上。另外,本实用新型可以包括拉矫机编码器单元而不包括红外定尺系统。此外,本实用新型的可编程逻辑控制单元可以为其它类型的PLC控制器。Although the embodiments of the present invention have been described above, it should be clear to those skilled in the art that the present invention can also have other modified embodiments. For example, encoders can be attached directly to the driven rolls of a tension leveler. In addition, the present invention may include the encoder unit of the tension leveling machine instead of the infrared sizing system. In addition, the programmable logic control unit of the present invention can be other types of PLC controllers.

Claims (4)

1.一种连铸坯定尺检测切割装置,包括具有主动辊和从动辊的拉矫机以及切割机单元,其特征在于还包括:1. A continuous casting slab cut-to-length detection and cutting device, comprising a tension leveler and a cutting machine unit with a driving roll and a driven roll, is characterized in that it also includes: 拉矫机编码器单元,包括安装在拉矫机的从动辊上的编码器;Tension leveler encoder unit, including an encoder installed on the driven roller of the tension leveler; 可编程逻辑控制单元,与拉矫机编码器单元的编码器和切割单元连接;The programmable logic control unit is connected with the encoder and the cutting unit of the tension leveler encoder unit; 人机界面单元,与可编程逻辑控制单元连接。The man-machine interface unit is connected with the programmable logic control unit. 2.如权利要求1所述的连铸坯定尺检测切割装置,其特征在于所述连铸坯定尺检测切割装置还包括与拉矫机编码器单元并行且连接到可编程逻辑控制单元的红外定尺系统。2. The continuous casting slab sizing detection and cutting device according to claim 1, characterized in that the continuous casting slab sizing detection and cutting device also includes a parallel with the tension leveler encoder unit and connected to the programmable logic control unit Infrared sizing system. 3.如权利要求1所述的连铸坯定尺检测切割装置,其特征在于人机界面单元包括用于采集并统计分析连铸坯定尺检测切割过程中的班次、定尺数据和异常情况的数据的数据库单元。3. The continuous casting slab measuring and cutting device according to claim 1, characterized in that the human-machine interface unit includes shifts, sizing data and abnormal conditions for collecting and statistically analyzing the continuous casting slab measuring and cutting process The database unit of the data. 4.如权利要求1所述的连铸坯定尺检测切割装置,其特征在于所述拉矫机编码器单元还包括减速机构,编码器通过减速机构连接到拉矫机的从动辊上。4. The continuous casting slab measuring and cutting device according to claim 1, characterized in that the encoder unit of the tension leveler further includes a deceleration mechanism, and the encoder is connected to the driven roller of the tension leveler through the deceleration mechanism.
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CN102642005A (en) * 2012-05-23 2012-08-22 河北钢铁股份有限公司邯郸分公司 Square billet cutting root coupling counting method and device
CN103341608A (en) * 2013-07-12 2013-10-09 鞍钢股份有限公司 Automatic calibration method for continuous casting cutting machine fixed length
CN104308138A (en) * 2014-11-14 2015-01-28 北京首钢自动化信息技术有限公司 Casting end-point control device and method thereof based on multiple fixed lengths and multiple strands
CN104325105A (en) * 2014-10-29 2015-02-04 中冶连铸技术工程有限责任公司 On-line weighing, sizing and correcting method of continuous casting slab
CN105689672B (en) * 2014-11-27 2018-07-27 上海梅山钢铁股份有限公司 A kind of interactive mode continuous casting billet optimizing incision control method
CN109773149A (en) * 2019-03-19 2019-05-21 宁波中超机器有限公司 Automate the working method of continuous casting billet Casting Equipment
CN110756749A (en) * 2019-10-31 2020-02-07 联峰钢铁(张家港)有限公司 A method of measuring the length of a billet
CN113275531A (en) * 2021-04-23 2021-08-20 包头钢铁(集团)有限责任公司 Production method for improving billet casting blank sizing qualification rate
CN114147316A (en) * 2021-12-15 2022-03-08 九江萍钢钢铁有限公司 Steelmaking continuous casting blank flame cutting device and fixed-length cutting method thereof
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CN102642005A (en) * 2012-05-23 2012-08-22 河北钢铁股份有限公司邯郸分公司 Square billet cutting root coupling counting method and device
CN102642005B (en) * 2012-05-23 2013-12-18 河北钢铁股份有限公司邯郸分公司 Square billet cutting root coupling counting method and device
CN103341608A (en) * 2013-07-12 2013-10-09 鞍钢股份有限公司 Automatic calibration method for continuous casting cutting machine fixed length
CN104325105A (en) * 2014-10-29 2015-02-04 中冶连铸技术工程有限责任公司 On-line weighing, sizing and correcting method of continuous casting slab
CN104308138A (en) * 2014-11-14 2015-01-28 北京首钢自动化信息技术有限公司 Casting end-point control device and method thereof based on multiple fixed lengths and multiple strands
CN104308138B (en) * 2014-11-14 2016-06-29 北京首钢自动化信息技术有限公司 A kind of casting terminal point control devices and methods therefor based on many scales, many casting stream
CN105689672B (en) * 2014-11-27 2018-07-27 上海梅山钢铁股份有限公司 A kind of interactive mode continuous casting billet optimizing incision control method
CN109773149A (en) * 2019-03-19 2019-05-21 宁波中超机器有限公司 Automate the working method of continuous casting billet Casting Equipment
CN110756749A (en) * 2019-10-31 2020-02-07 联峰钢铁(张家港)有限公司 A method of measuring the length of a billet
CN113275531A (en) * 2021-04-23 2021-08-20 包头钢铁(集团)有限责任公司 Production method for improving billet casting blank sizing qualification rate
CN114147316A (en) * 2021-12-15 2022-03-08 九江萍钢钢铁有限公司 Steelmaking continuous casting blank flame cutting device and fixed-length cutting method thereof
CN114888248A (en) * 2022-05-18 2022-08-12 首钢长治钢铁有限公司 Method for correcting length of continuous casting billet
CN114888248B (en) * 2022-05-18 2024-04-12 首钢长治钢铁有限公司 Correction method for length of continuous casting billet
CN116372133A (en) * 2023-03-10 2023-07-04 攀钢集团西昌钢钒有限公司 An on-line early warning system for continuous caster billet cut-to-length out-of-tolerance

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