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數(shù)控車床進(jìn)給加工路線指車刀從對刀點（或機(jī)床固定原點）開始運動起，直至返回該點并結(jié)束加工程序所經(jīng)過的路徑，包括切削加工的路徑及刀具切入、切出等非切削空行程路徑。
精加工的進(jìn)給路線基本上都是沿其零件輪廓順序進(jìn)行的，因此，確定進(jìn)給路線的工作重點是確定粗加工及空行程的進(jìn)給路線。
在數(shù)控車床加工中，加工路線的確定一般要遵循以下幾方面原則。
①應(yīng)能保證被加工工件的精度和表面粗糙度。
②使加工路線比較短，減少空行程時間，提高加工效率。
③盡量簡化數(shù)值計算的工作量，簡化加工程序。
④對于某些重復(fù)使用的程序，應(yīng)使用子程序。
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The CNC lathe feed route refers to the path through which the tool starts from the point of the knife(or the fixed origin of the machine tool) until it returns to that point and ends the processing process. Including the cutting process path and cutting tool cut, cut out and other non-cutting blank path.
The refined feed route is basically carried out along the outline of its parts. Therefore, the focus of determining the feed route is to determine the feed route for rough processing and empty stroke.
In NC lathe processing, the determination of the processing route generally follows the following principles.
1 It should be able to guarantee the accuracy and surface roughness of the workpiece being processed.
Make the processing route the shortest, reduce the empty travel time and improve the processing efficiency.
3 Try to simplify the workload of numerical calculations and simplify the processing process.
For some reusable procedures, subroutines should be used.