The NC boring lathe equipped with this kind of deformable arm can bore special shaped pin hole for piston efficiently, and meanwhile meet the demand of micro meter accuracy.
装有这种新型变形镗杆的NC镗床能高效地镗削活塞异形销孔，并达到微米精度的要求。
The NC boring machine equipped with this kind of deformable bar can bore special-shaped pin hole in piston efficiently, and meanwhile meet the demand of micro-meter accuracy.
装有这种新型变形镗杆的NC镗床能高效地镗削活塞异形销孔，并达到微米精度的要求。
Using a special pin hole in design will be an effective method to change stress concentration on inside of piston, improve safety coefficient of skirt...
采用异形销孔设计将是改变活塞内侧应力集中，提高裙部结构的安全系数，减少活塞裙部裂损的有效方法。
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