x i h u a U niversity CHAPTER3 BENDING 弯曲工艺及模具 Bending along with a straight line to form a definite angularity and contour 按弯曲线弯成一定的角度和形状。 ●压弯 ●拉弯、折弯等 豺料科学与二学腕CHAPTER 3 BENDING 弯曲工艺及模具 Bending along with a straight line to form a definite angularity and contour 按弯曲线弯成一定的角度和形状。  压弯  拉弯、折弯等