关键词 ] 旋转超声加工 ；边缘破损 ；硬脆材料 [gap=1018]Keywords] rotary ultrasonic machining; edge-chipping; brittle and hard material
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Edge chipping 边缘抗冲击 ; 片边缘崩裂
partial edge chipping 涵义局部掉边
tool edge chipping resistance 刀具抗崩刃性
Edge Wear Chipping 边缘磨损及碎裂
edge and corner chipping 涵义掉边掉角
RUM can not avoid the common problems of machining brittle and hard materials like edge-chipping.
尽管如此，旋转超声加工仍然不能避免硬脆性材料加工中的边缘破损等常见问题。
They look like chipped cobbles, and they were made simply by taking one large piece of stone and striking it with another, chipping off a few bits to make at least one sharp cutting edge.
它们外表看来就像一颗颗稍稍锤击过的鹅卵石，而且它们制作简单，通常就是拿两颗石头互相锤击，至少把一端锤打出一个尖锐的边缘出来。
Minor edge chipping can occur when steel drum rollers, mowers or edgers pass over paving bricks.
当车轮转向、割草机或轧边机路过砖边缘时，少数边缘可能碎裂。
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