液压冲孔数值模拟 - TNMSC 关键字: 液压冲孔; 数值模拟; 空心构件; 冲头推力[gap=878]Key words: hydro-piercing; numerical simulation; hollow component; punch-force
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Punch Force 公称力 ; 凸模 ; 冲压能力
punch force center 压力中心
punch force calculation 冲裁力计算
the force of punch 冲头受力
The result shows that the punch-force increases with the increasing of the hydraulic pressure, the punch diameter and the thickness of the tube.
结果表明:管内液体压力增加、冲头直径增加、 材料壁厚增加都会使冲头推力增大;
Men hit with more force when they were standing - and could punch twice as hard when they were striking downwards, he found.
他发现男人在站立时可以使出更多力气——而向下出手时的攻击力可以达到普通力度的两倍。
If you think about the objective of many sports movements, it is to project force forward, whether throwing a football, throwing a punch, or swinging a golf club.
试想一下,很多体育运动的目的都是向前释放力,无论是投橄榄球,出拳,或高尔夫。
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