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1. 发明授权

US06456957B1 Method and system for determining heating point and heating line in bending of steel plate 失效
公开(公告)号：US06456957B1
公开(公告)日：2002-09-24
申请号：US10061250
申请日：2002-02-04
申请人： Takayuki Kawano , Yoshiaki Inoue , Ryuuichirou Kikutsugi , Kazuaki Oota , Fukumi Hamaya , Hidetsugu Koiwa , Shouji Kawakado , Takeshi Nakahama
发明人： Takayuki Kawano , Yoshiaki Inoue , Ryuuichirou Kikutsugi , Kazuaki Oota , Fukumi Hamaya , Hidetsugu Koiwa , Shouji Kawakado , Takeshi Nakahama
IPC分类号： B21D1120
CPC分类号： B21D11/20
摘要： A method for determining a heating line for bending a steel plate includes the steps of: placing a virtual pattern on a virtual plate; rolling the plate along a frame line from a reference position to contact the plate at two points on the plate; rolling the steel plate back to the reference position; obtaining straight lines connecting the contact points; determining a heating point relative to a reference point; repeating the same steps while contacting the contact points on a reference point side; drawing straight lines from a certain heating point on a certain line to heating points on other lines; examining the degree of parallelism between each straight line and a roller line; grouping the relevant heating points as the same group; and connecting the heating points of the same group by a straight line or a curve.

2. 发明授权

US06298310B1 Method and system for determining heating point and heating line in bending of steel plate 失效
标题翻译：确定钢板弯曲加热点和加热线的方法和系统
公开(公告)号：US06298310B1
公开(公告)日：2001-10-02
申请号：US09159758
申请日：1998-09-24
申请人： Takayuki Kawano , Yoshiaki Inoue , Ryuuichirou Kikutsugi , Kazuaki Oota , Fukumi Hamaya , Hidetsugu Koiwa , Shouji Kawakado , Takeshi Nakahama
发明人： Takayuki Kawano , Yoshiaki Inoue , Ryuuichirou Kikutsugi , Kazuaki Oota , Fukumi Hamaya , Hidetsugu Koiwa , Shouji Kawakado , Takeshi Nakahama
IPC分类号： B21D1120
CPC分类号： B21D11/20
摘要： A method and a system for determining a heating point and a heating line in steel plate bending place a virtual wooden pattern on a virtual steel plate; roll the wooden pattern or steel plate along a frame line from a reference position to contact the wooden pattern and steel plate at two points A, B on the steel plate and C, D on the wooden pattern; roll the wooden pattern or steel plate in the reverse direction for return to the reference position; obtain straight lines U, V connecting the contact points A, B and C, D, respectively; determine a heating point relative to a reference point based on an intersection point of the straight lines U, V; repeat the same steps while contacting the contact points A, C on a reference point side to use their contact point as a new reference point, to determine respective heating points along a specific line up to the end of the steel plate; draw straight lines from a certain heating point on a certain line to heating points on other lines based on the determined heating points; examine the degree of parallelism between each straight line and a roller line; if the degree is within a predetermined range, group the relevant heating points as the same group; and connect the heating points of the same group by a straight line or a curve to determine a heating line.
摘要翻译：用于确定钢板弯曲加热点和加热线的方法和系统将虚拟木制图案放置在虚拟钢板上; 将木制图案或钢板沿着框架线从参考位置滚动，以钢板上的两个点A，B和木头图案上的C，D接触木制图案和钢板; 沿相反方向滚动木纹或钢板返回参考位置; 分别连接接点A，B，C，D的直线U，V; 基于直线U，V的交点确定相对于参考点的加热点; 重复相同的步骤，同时接触参考点一侧的接触点A，C，以使其接触点作为新的参考点，以确定沿着钢板端部的特定线路的各个加热点; 根据确定的加热点将直线从某一线上的某个加热点拉到其他管线上的加热点; 检查每条直线与滚线之间的平行度; 如果程度在预定范围内，则将相关加热点组合为同一组; 并通过直线或曲线连接同一组的加热点，以确定加热线。

3. 发明授权

US6002118A Automatic plate bending system using high frequency induction heating 失效
标题翻译：自动平板弯曲系统采用高频感应加热
公开(公告)号：US6002118A
公开(公告)日：1999-12-14
申请号：US159761
申请日：1998-09-24
申请人： Takayuki Kawano , Yoshiaki Inoue , Ryuuichirou Kikutsugi , Kazuaki Oota , Fukumi Hamaya , Hidetsugu Koiwa , Shouji Kawakado , Takeshi Nakahama , Takijiro Shimamoto , Yasukazu Ide
发明人： Takayuki Kawano , Yoshiaki Inoue , Ryuuichirou Kikutsugi , Kazuaki Oota , Fukumi Hamaya , Hidetsugu Koiwa , Shouji Kawakado , Takeshi Nakahama , Takijiro Shimamoto , Yasukazu Ide
IPC分类号： B21D11/20 , H05B6/10
CPC分类号： B21D11/20
摘要： An automatic plate bending system using high frequency induction heating has many universal poles for bearing a steel plate, a member to be heated, by supporting it from below, the height positions of front end portions of the universal poles themselves being adjustable, and automatically moves a high frequency heating coil of a high frequency heating head above the steel plate, which is placed on the universal poles, along predetermined heating lines while retaining a constant clearance between the high frequency heating coil and the surface of the steel plate, whereby the steel plate is heated and automatically bent into a desired shape.
摘要翻译：使用高频感应加热的自动板弯曲系统具有许多用于承载钢板的通用杆，被加热构件，通过从下方支撑，通用杆本身的前端部分的高度位置是可调节的，并且自动地移动在预定的加热线上放置在通用杆上的高频加热头的高频加热线圈，同时保持高频加热线圈与钢板表面之间的恒定的间隙，由此钢板被加热并自动弯曲成所需的形状。

4. 发明授权

US6064046A Clearance retaining system for a high frequency heating coil 失效
标题翻译：高频加热线圈间隙保持系统
公开(公告)号：US6064046A
公开(公告)日：2000-05-16
申请号：US298057
申请日：1999-04-22
申请人： Takayuki Kawano , Yoshiaki Inoue , Ryuuichirou Kikutsugi , Kazuaki Oota , Fukumi Hamaya , Hidetsugu Koiwa , Shouji Kawakado , Takeshi Nakahama , Takijiro Shimamoto , Yasukazu Ide
发明人： Takayuki Kawano , Yoshiaki Inoue , Ryuuichirou Kikutsugi , Kazuaki Oota , Fukumi Hamaya , Hidetsugu Koiwa , Shouji Kawakado , Takeshi Nakahama , Takijiro Shimamoto , Yasukazu Ide
IPC分类号： B21D11/20 , H05B6/36
CPC分类号： B21D11/20
摘要： An automatic plate bending system using high frequency induction heating has many universal poles for bearing a steel plate, a member to be heated, by supporting it from below, the height positions of front end portions of the universal poles themselves being adjustable, and automatically moves a high frequency heating coil of a high frequency heating head above the steel plate, which is placed on the universal poles, along predetermined heating lines while retaining a constant clearance between the high frequency heating coil and the surface of the steel plate, whereby the steel plate is heated and automatically bent into a desired shape.
摘要翻译：使用高频感应加热的自动板弯曲系统具有许多用于承载钢板的通用杆，被加热构件，通过从下方支撑，通用杆本身的前端部分的高度位置是可调节的，并且自动地移动在预定的加热线上放置在通用杆上的高频加热头的高频加热线圈，同时保持高频加热线圈与钢板表面之间的恒定的间隙，由此钢板被加热并自动弯曲成所需的形状。

5. 发明授权

US07940263B2 Curved-surface generating method and program, and three-dimensional shape processing apparatus 有权
标题翻译：曲面生成方法和程序，以及三维形状处理装置
公开(公告)号：US07940263B2
公开(公告)日：2011-05-10
申请号：US11886703
申请日：2006-03-20
申请人： Masami Miura , Kensuke Ide , Takayuki Kawano , Masayuki Matsukuma , Shinobu Kishikawa , Masuko Kushiyama , Takeshi Nakahama , Mitsuhiko Izumi
发明人： Masami Miura , Kensuke Ide , Takayuki Kawano , Masayuki Matsukuma , Shinobu Kishikawa , Masuko Kushiyama , Takeshi Nakahama , Mitsuhiko Izumi
IPC分类号： G06T17/00
CPC分类号： G06T17/30
摘要： A plurality of representative points are selected from a group of points obtained as results of shape measurement of an object, respective principal curvatures are calculated at the representative points on the basis of positional relationships between the representative point and a plurality of points existing around the representative point, a line of curvature is created on the basis of the principal curvatures of the representative points and a curved surface is generated using this line of curvature.
摘要翻译：从作为物体的形状测量结果获得的一组点中选择多个代表点，基于代表点与代表点之间存在的多个点之间的位置关系在代表点处计算各自的主曲率点，基于代表点的主曲率产生曲线，并且使用该曲率线产生曲面。

6. 发明授权

US07917342B2 Computer aided design system and computer aided design program using a geometric surface model 有权
标题翻译：计算机辅助设计系统和计算机辅助设计程序使用几何表面模型
公开(公告)号：US07917342B2
公开(公告)日：2011-03-29
申请号：US10529645
申请日：2003-10-06
申请人： Masami Miura , Takayuki Kawano , Yuichi Sasaki , Takeshi Nakahama , Yasuhiko Yoshida
发明人： Masami Miura , Takayuki Kawano , Yuichi Sasaki , Takeshi Nakahama , Yasuhiko Yoshida
IPC分类号： G06F17/50 , G06F7/60 , G06T15/00 , G06T11/20
CPC分类号： G06T17/20 , G06T17/30
摘要： A computer aided design system and a computer aided design program which can greatly increase the utility of a computer aided design model, and can improve the efficiency of design and production processes, by adopting a curved surface theory which ensures the continuity of a free-form line or surface. A computer executes: a point sequence information extraction process for extracting a plurality of point sequences on a curved surface; a dividing process for generating a curved surface from the point sequences and dividing the curved surface into a predetermined number of mesh points; a first fundamental form computing process for computing coefficients of the first fundamental form; a second fundamental form computing process for computing coefficients of the second fundamental form; and a storage process for storing the point sequence information, the coefficients of the first fundamental form and the coefficients of the second fundamental form.
摘要翻译：计算机辅助设计系统和计算机辅助设计程序，可大大增加计算机辅助设计模型的实用性，并可以通过采用曲面理论来提高设计和生产过程的效率，从而确保自由形式的连续性线或表面。计算机执行：用于提取曲面上的多个点序列的点序列信息提取处理; 从所述点序列生成曲面并将所述曲面分割成预定数目的网格点的分割处理; 用于计算第一基本形式的系数的第一基本形式计算过程; 用于计算第二基本形式的系数的第二基本形式计算过程; 以及用于存储点序列信息，第一基本形式的系数和第二基本形式的系数的存储处理。

7. 发明申请

US20090051680A1 Curved-Surface Generating Method and Program, and Three-Dimensional Shape Processing Apparatus 有权
标题翻译：曲面生成方法和程序，以及三维形状处理装置
公开(公告)号：US20090051680A1
公开(公告)日：2009-02-26
申请号：US11886703
申请日：2006-03-20
申请人： Masami Miura , Kensuke Ide , Takayuki Kawano , Masayuki Matsukuma , Shinobu Kishikawa , Masuko Kushiyama , Takeshi Nakahama , Mitsuhiko Izumi
发明人： Masami Miura , Kensuke Ide , Takayuki Kawano , Masayuki Matsukuma , Shinobu Kishikawa , Masuko Kushiyama , Takeshi Nakahama , Mitsuhiko Izumi
IPC分类号： G06T15/00 , G06T11/20
CPC分类号： G06T17/30
摘要： A plurality of representative points are selected from a group of points obtained as results of shape measurement of an object, respective principal curvatures are calculated at the representative points on the basis of positional relationships between the representative point and a plurality of points existing around the representative point, a line of curvature is created on the basis of the principal curvatures of the representative points and a curved surface is generated using this line of curvature.
摘要翻译：从作为物体的形状测量结果获得的一组点中选择多个代表点，基于代表点与代表点之间存在的多个点之间的位置关系在代表点处计算各自的主曲率点，基于代表点的主曲率产生曲线，并且使用该曲率线产生曲面。

8. 发明申请

US20060129361A1 Cad system and cad program 有权
标题翻译： Cad系统和cad程序
公开(公告)号：US20060129361A1
公开(公告)日：2006-06-15
申请号：US10529645
申请日：2003-10-06
申请人： Masami Miura , Takayuki Kawano , Yuichi Sasaki , Takeshi Nakahama , Yasuhiko Yoshida
发明人： Masami Miura , Takayuki Kawano , Yuichi Sasaki , Takeshi Nakahama , Yasuhiko Yoshida
IPC分类号： G06F17/10
CPC分类号： G06T17/20 , G06T17/30
摘要： There is provided a computer aided design system and a computer aided design program which can greatly increase the utility value of a computer aided design model, and can improve the efficiency of design and production processes, by adopting a curved surface theory which ensures the continuity of a free-form line/free-form surface. A computer executes: a point sequence information extraction process for extracting a plurality of point sequences on a curved surface; a dividing process for generating a curved surface from the point sequences using another computer graphics program, and dividing the curved surface into a predetermined number of meshes; a first fundamental form computing process for computing coefficients of the first fundamental form defined by a tangent vector which forms a tangent plane of the mesh; a second fundamental form computing process for computing coefficients of the second fundamental form defined by the tangent vector and a normal vector of the mesh; and a storage process for storing the point sequence information, the coefficients of the first fundamental form and the coefficients of the second fundamental form.
摘要翻译：提供了计算机辅助设计系统和计算机辅助设计程序，可以大大提高计算机辅助设计模型的效用值，并且可以通过采用曲面理论来提高设计和生产过程的效率，从而确保连续性自由形式的线/自由曲面。计算机执行：用于提取曲面上的多个点序列的点序列信息提取处理; 用于使用另一计算机图形程序从所述点序列生成曲面并将所述曲面分割成预定数目的网格的分割处理; 用于计算由形成网格的切平面的切线向量定义的第一基本形式的系数的第一基本形式计算过程; 用于计算由切线向量和网格的法向量定义的第二基本形式的系数的第二基本形式计算过程; 以及用于存储点序列信息，第一基本形式的系数和第二基本形式的系数的存储处理。

9. 发明授权

US06385556B1 Method and system for determining heating point and heating line in bending of steel plate 失效
公开(公告)号：US06385556B1
公开(公告)日：2002-05-07
申请号：US09834604
申请日：2001-04-16
申请人： Takayuki Kawano , Yoshiaki Inoue , Ryuuichirou Kikutsugi , Kazuaki Oota , Fukumi Hamaya , Hidetsugu Koiwa , Shouji Kawakado , Takeshi Nakahama
发明人： Takayuki Kawano , Yoshiaki Inoue , Ryuuichirou Kikutsugi , Kazuaki Oota , Fukumi Hamaya , Hidetsugu Koiwa , Shouji Kawakado , Takeshi Nakahama
IPC分类号： B21D1120
CPC分类号： B21D11/20
摘要： A method and a system for determining a heating point and a heating line in steel plate bending place a virtual wooden pattern on a virtual steel plate; roll the wooden pattern or steel plate along a frame line from a reference position to contact the wooden pattern and steel plate at two points A, B on the steel plate and C, D on the wooden pattern; roll the wooden pattern or steel plate in the reverse direction for return to the reference position; obtain straight lines U, V connecting the contact points A, B and C, D, respectively; determine a heating point relative to a reference point based on an intersection point of the straight lines U, V; repeat the same steps while contacting the contact points A, C on a reference point side to use their contact point as a new reference point, to determine respective heating points along a specific line up to the end of the steel plate; draw straight lines from a certain heating point on a certain line to heating points on other lines based on the determined heating points; examine the degree of parallelism between each straight line and a roller line; if the degree is within a predetermined range, group the relevant heating points as the same group; and connect the heating points of the same group by a straight line or a curve to determine a heating line.

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