鎽� 瑕侊細 鎻愬嚭涓€绋兘瀵︾従(xi脿n)閫茬郸閫熷害鎺у埗鐨勫嚱鏁�(sh霉)鏇茬窔鐩存帴鐢熸垚鐨勬柊鏂规硶鍙婂鐝�(xi脿n)鏂规锛岀敱琚姞宸ュ嚱鏁�(sh霉)鏇茬窔鏂圭▼鎺ㄥ皫(d菐o)鍑哄悇杌稿悜閫熷害鎺у埗妯″瀷锛屽皪鍚勮桓鍚戞閫查浕姗熼€熷害鐩存帴鎺у埗锛屽鐝�(xi脿n)鍔犲伐榛炵殑绲﹀畾鍚堟垚閫茬郸閫熷害鍜岄亱鍕曡粚璺★紟鍚屾檪杓冨ソ鍦拌В姹轰簡鏇茬窔绮剧⒑姝ラ€茶垏鏁锋帶绯荤当(t菕ng)瀹归噺鐨勭煕鐩俱€備豢鐪熷椹楃祼(ji茅)鏋滈璀変簡瑭叉帶鍒舵柟娉曠殑姝ｇ⒑鎬у拰鍙鎬�銆� 闂�(gu膩n)閸佃锛�姝ラ€查浕姗�锛汣NC锛涢€茶矾閫熷害锛涙帶鍒�锛涘嚱鏁�(sh霉)鏇茬窔 [b] [/b] Abstract锛� This paper presents a new method for machining fonctional curves to reach the specified feedrate锛巃(ch菐n)nd derive the speed controlled models from the curve representation function锛嶹ith the proposed method the speed of stepping motor of every axes can be controlled dhectly so the motion spoed becomes smooth锛巜hich is of great importance of keeping stepping motor retating steadily from missing steps锛嶮eanwhile the confhict between part percision and CNC machine鈥檚 memory resolved锛嶵he motion accuracy and feasibility of the proposed method have been verified with provided intersecting curve example锛� Kye word锛� stepping motor锛汣NC锛沠eedrate锛沜ontrol锛沠unetional curves 榛炴搳姝よ檿涓嬭級鍘熸枃