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0 IntroductionLinearmotorhasbeendevelopedforalongtime ,butithasbeenproducedasseriesindustrialmotoron lyinrecentlyyearsbecauseofitshighpriceandinsuf ficienteffectivenessofmagnetmaterialsorexpensivecontrolelectronics.Withthedevelopmentofthemagnetmaterialsandthedrivetechnology ,thelinearmotorhasbeenputintothelinearfeeddriverecently ,especiallyinmachinetool (highspeedcuttingma chinetoolandhigh andultra precisionmachinetool) ,measuringmachine ,x y (z) table ,printplat formmachineandvibrationmachi… 相似文献
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