xk5040數(shù)控立式銑床及控制系統(tǒng)設(shè)計-外文翻譯(存儲版)
【正文】 ovements measure may cause the pointing accuracy distinct improvement.1. reverse gap error pensates The numerical control engine bed processing cutting tool and the work piece relative motion is depends upon the drive impetus gear,the guide screw rotation, thus the impetus work floor and so on moves the part to produce moves realizes. As traditional part gear, guide screw although the manufacture precision is very high, but always unavoidably has the gap. As a result of this kind of gap existence, when movement direction change, starts the section time to be able to cause inevitably actuates the part wasting time, appears the instruction pulse to push the motionless functional element the aspect. This has affected the engine bed processing precision, namely the instruction pulse and actual enters for the step does not tally,has the processing error therefore, the splitring numerical control system all establishes generally has the reverse gap error pensatory function, with by makes up which wastes time the step reverse gap difference pensates is first actual reverse enters for the error, converts the pulse equivalent number it, pensates the subroutine as the gap the output, when the puter judgment appears when instruction for counter motion, transfers the gap to pensate the subroutine immediately, pensates the pulse after the output to eliminate the reverse gap to carry on again normally inserts makes up the movement.2. often the value systematic characteristic position error pensatesA kind of storehouse by transfers for the designer. Like this in the ponents design stage, the designer only must input the characteristic the parameter, the system direct production characteristic example model: We must save the related characteristic class in the database the structure information, the database table collection are use in saving this part of related information. According to the characteristic type definition need, we defined the characteristic class code table, the characteristic class edition information have outstanding shown the characteristic type。 On the other hand this instruction pulse supplies the induction synchromesh the measurement system (namely digitally, cosine generator), as position demand signal a by. The work in the warning way induction synchromesh this time not only is the position sensor, also is the parator, it by, The cosine generator assigns slide guage initiation signal a electricity and by step of transmission.4. conclusions Under the CIMS environment the technology which develops unceasingly based on characteristic ponents information modeling, how enhances the ponents order of plexity which the characteristic design can plete。由于這種間隙存在，當(dāng)運動的方向改變時，開始段時間必然會引起驅(qū)動元件的空走，出現(xiàn)指令脈沖推不動執(zhí)行元件的局面。我們將該零件信息模型的數(shù)據(jù)庫應(yīng)用于工廠環(huán)境下某型組件的CAD AM 集成系統(tǒng)中，較好地實現(xiàn)了CAD與CAPP的特征信息共享。3 反饋補償開環(huán)控制 該系統(tǒng)由開環(huán)控制和感應(yīng)同步器直接位置測量兩個部分組成。看完以后，大家心理都
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