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丝_王工竺止止渔下}.{一卫头材料刀买形状切削加_l几 车床进刀量粗加工精加工切削速度推进速度切削油1钻头/一、.M可认‘’w无SKH一4 穿孔加工钻(世)床(钥) 车床(钨)S长H一4 速削油300~400r。P。m150一250r。P。tn 研削加工平面研削机床磨具(砂轮)研削油水溶性切削油GC601一SOK
Silk _ Wang Zhu Zhu _set_ under fishing}. {A material to buy the shape of the knife head cutting tool _1 plus a few rough cutting feed machining speed cutting speed 1 cutting oil / None SKH-4 Perforated Drill (World) Bed (Key) Lathe (Tungsten) S Long H 4 Cutting Oil 300 ~ 400r. P. m150 a 250r. P. tn Grinding Machining Surface Grinding Machine Abrasives (Grinding Wheel) Grinding Oil Water Soluble Cutting Oil GC601 一 SOK