公开(公告)号：US20180340914A1

公开(公告)日：2018-11-29

申请号：US15777862

申请日：2015-12-22

申请人： POSCO

发明人： Choong-Soo LIM ,  Hyeong Jun HUH ,  Hyun-Chul PARK ,  Sang-Jin LEE

IPC分类号： G01N29/28 ,  G01N29/275 ,  G01N29/07 ,  G01N29/11

摘要： A device according to an embodiment of the present invention for detecting an internal flaw in a steel plate by using a height-adjustable ultrasonic sensor may comprise: a spray nozzle installed a certain distance apart from the bottom of a steel plate, for spraying a medium toward the steel plate and forming a medium column; an ultrasonic sensor installed inside the spray nozzle, for transmitting and receiving ultrasonic waves for detecting flaws in the steel plate through the medium column; a flaw detecting unit for detecting the presence of internal flaws in the steel plate on the basis of the transmitted and received ultrasonic waves; and a driving unit installed inside the spray nozzle, for adjusting the distance between the ultrasonic sensor and the steel plate according to the thickness of the steel plate.

公开(公告)号：US20160320345A1

公开(公告)日：2016-11-03

申请号：US15107827

申请日：2013-12-26

申请人： POSCO

发明人： Choong Soo LIM ,  Myung Sik CHUN ,  Hyeong Jun HUH ,  Boong Ho SON

IPC分类号： G01N29/04

CPC分类号： G01N29/043 ,  G01H3/00 ,  G01N29/28 ,  G01N2291/0234 ,  G01N2291/044 ,  G01N2291/2632

摘要： An apparatus and a method for ultrasonic detection are provided. The apparatus includes an injection nozzle which is installed below a steel plate being transported and forms a medium column by jet a medium toward the steel plate, an ultrasonic probe which is installed in the injection nozzle and transmits and receives ultrasonic waves for detecting flaws in the steel plate through the medium column, and a medium circulation unit which reclaims the medium which falls from the medium column and circulates the reclaimed medium to the injection nozzle.

摘要翻译： 提供了一种用于超声波检测的装置和方法。 该装置包括：喷射喷嘴，其被安装在被输送的钢板的下方，并通过喷射介质朝向钢板形成介质柱;超声波探头，安装在喷射喷嘴中并发送和接收用于检测 钢板通过介质柱，以及介质循环单元，其回收从介质塔落下的介质并将再生介质循环到喷嘴。

公开(公告)号：US20190170504A1

公开(公告)日：2019-06-06

申请号：US15756489

申请日：2016-05-25

申请人： POSCO

发明人： Choong Soo LIM ,  Hyeong Jun HUH ,  Sung Joon KWAK

IPC分类号： G01B11/02 ,  G01B11/24 ,  G01B11/26 ,  G06T7/50 ,  G06T7/60 ,  H04N5/232

摘要： The present invention relates to a dimension measuring device and a dimension measuring method, the dimension measuring device comprising: a moving unit for moving two sheets of material; a plurality of range finders installed at a preset interval along the direction of traveling of the material, so as to measure the distance from the side surfaces of the material; and an imaging device installed to take images between the first and second range finders, which are installed at the first and second locations with reference to the entry side of the material, respectively.

公开(公告)号：US20160318121A1

公开(公告)日：2016-11-03

申请号：US15106232

申请日：2013-12-26

申请人： POSCO

发明人： Choong Soo LIM ,  Hyeong Jun HUH ,  Sung Joon KWAK ,  Sang Ho PARK

IPC分类号： B23K26/00 ,  B23K26/364 ,  B21B15/00

CPC分类号： B23K26/0093 ,  B21B15/0007 ,  B23D19/04 ,  B23D31/00 ,  B23K26/0619 ,  B23K26/0846 ,  B23K26/361 ,  B23K26/364 ,  B23K26/40 ,  B23K2103/04 ,  B23K2103/50

摘要： A side trimming apparatus including a cutting unit which is installed on at least one side of a steel plate being transferred and trims a side of the steel plate by mechanical cutting and a laser processing unit which is installed in front of the cutting unit and emits a laser beam to a portion of the steel plate to be cut to form a groove at the portion to be cut or preheat the portion to be cut, and a side trimming method using the same are provided.

摘要翻译： 一种修剪装置，包括安装在正在转移的钢板的至少一侧的切割单元，并且通过机械切割来修剪钢板的侧面;以及激光处理单元，其安装在切割单元的前面并发射 将激光束切割成要切割的钢板的一部分，以在要切割的部分上形成凹槽或预热待切割的部分，并提供使用该凹槽的侧面修剪方法。