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2. 发明授权

US4740668A Method and apparatus for cutting sheet material using plasma arc cutting tool 失效
标题翻译：使用等离子弧切割工具切割片材的方法和装置
公开(公告)号：US4740668A
公开(公告)日：1988-04-26
申请号：US844827
申请日：1986-03-27
申请人： Bernardo A. Perez
发明人： Bernardo A. Perez
IPC分类号： B23K7/10 , B23K7/00 , B23K10/00 , B26D5/00 , B26D7/01 , B26F1/38 , B65H35/06 , B23K9/00
CPC分类号： B26D7/018 , B23K10/006 , B26F1/3813 , Y10T83/546
摘要： An apparatus for cutting parts out of a sheet of material including a cutting table, an endless gas permeable conveyor movable in a feed direction along the cutting table for supporting the sheet material thereon, a suction box for applying a vacuum to the conveyor and holding the material firmly against the conveyor during a feeding step and a cutting step, a plasma arc cutter for cutting parts from the material supported on the conveyor and a carriage for supporting the plasma arc cutter and moving it along pattern coordinates of the parts. A brake is mounted on the carriage for selectively engaging the conveyor with the carriage to thereby selectively advance the conveyor along the feed direction. A controller stores pattern coordinates of the parts and controls movement of the carriage and actuation of the brake. The carriage is controlled by the controller to move a distance in a feed direction which is greater than the length of the feed direction of the longest part to be cut from the sheet material during a cutting step. Also, the controller actuates the brake to release engagement between the carriage and the conveyor so that the carriage can be controlled by the controller to move the plasma arc cutter along pattern coordinates of the parts. The apparatus also includes labeling and pickup apparatus located downstream from a cutting zone on the cutting table.
摘要翻译：一种用于从包括切割台的材料片材中切割零件的装置，沿着切割台沿着进给方向可移动的环形透气输送器，用于在其上支撑片材，用于向输送机施加真空并将其保持在进料步骤和切割步骤期间，材料牢固地抵靠输送机，用于从支撑在输送机上的材料切割零件的等离子体电弧切割器和用于支撑等离子体电弧切割器并且沿着部件的图案坐标移动它的托架。制动器安装在滑架上，用于选择性地将输送机与滑架接合，从而沿进给方向选择性地推进输送机。控制器存储部件的图形坐标并控制滑架的运动和制动器的致动。滑架由控制器控制，以便在切割步骤期间沿进给方向移动一定距离，该距离大于待切割的最长部分的进给方向的长度。此外，控制器致动制动器以释放托架和输送机之间的接合，使得托架可以由控制器控制，以沿着部件的图案坐标移动等离子弧刀。该设备还包括位于切割台上的切割区下游的标签和拾取装置。

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