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線切割

CNC線切割工程允許進行輪廓外部和內部垂直或斜度加工,並且具有自動化,互動性和精確同步化的4軸上下異形的加工工法

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SprutCAM 支援產生 2~4軸線切割加工NC程式的功能.

運用輪廓外形的工程產生沿2D輪廓(2和3軸加工)加工,或同時沿上排與下排兩個不同輪廓的產生加工路徑 (4軸上下異形加工

 

«2D 線切割»工程可以沿2D輪廓外形產生線切割路徑, 也可以沿2D輪廓外形加上指定的斜角做等角度或不等角度3D切割. 因此,最終的線切割路徑是以一個上排的輪廓外形為基礎, 再以定義斜度分別來設定參數的.

«4D 上下異形線切割» 工程 is intended for generation of the wire path along two 2D contours simultaneously. One of these contours defines the movement of the lower sliding guide, and the second contour specifies the movement of the upper sliding guide. Therefore, in this operation in contrast to «2D machining», the upper and the lower ends of the wire can describe an absolutely different path. 

It is possible to define starting and ending points of machining, wire threading and cutting points, cone angles values and some other parameters for each contour individually.

SprutCAM allows generating different types of cuts: rough cuts, finish cuts, link cutting passes, cleanup cuts after the link cutting, etc. You can also set up machining sequence, optimize cut directions, specify the wire radius compensation technique, allow the output of process shutdown commands into the control program, etc.

Approach-withdrawal indicators are interactive, they can be moved in the graphic window and you can define precise dimensions relative to other elements as well as to origin of coordinates. 

In some cases, for example, if the work order is a line of closed contours, a cut along the complete contour of the part may cause undesired dropouts of the parts of the work piece. SprutCAM provides a defined set of parameters, allowing to leave special unfinished  areas, termed links, on the work piece. When the wire reaches such areas, the system will generate process shutdowns, after which some supplementary measures must be taken to fix certain parts of the work piece. Then unfinished links can be automatically cut. You can define the parameters, determining the number of passes for the link cutting, number of cuts for cleaning the contour after the link cutting, and also parameters, determining the execution sequence of these cuts. 

Electroerosion sampling is intended for removing material from areas without generating of falling out pieces of metal. The wire path usually starts in the preliminarily performed holes, positioned closer to the centre of the work piece and it consists of equidistant or zigzag cuts, sequentially sampling the whole material inside the pockets.

Modern numerical control systems for electrical discharge machining allow loading of the table of predefined cutting conditions for each cut of the wire along the contour into the column. In the process of machining one of the table works is selected by specifying a special code of cutting conditions. SprutCAM maintains such representation of cutting conditions in its erosion operations. Depending on the thickness and the material of the work piece, the material and the diameter of the wire, the required surface smoothness of the part it is possible to select cutting conditions, wire offset value (allowance, individual for each cut and taking into account the wire radius, burnouts, depending on the power of the electric spark, etc.) and other parameters separately for each cut.  The tables of machining conditions can be either selected from special cutting condition libraries or filled out in each operation all over again.

 

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