Primary study on technology and equipment of bar high speed shearing has been summarized with a shearing mode under high speed and restriction being put forward as well as problems needed to be further studied.

• 总结了棒料高速精密剪切工艺及设备的研究状况,提出了基于高速与约束状态下的剪切方式,并简述了进一步需要研究的问题。