In order to work out a sugarcane cutting device, which has high cutting quality and reliable performance, the stiffness of the sugarcane cutting device have to go on with optimization design.

• 摘要切割器是甘蔗收获机砍蔗机构的重要部件，其刚性对甘蔗破头率有着显著的影响，所以必须对切割器的刚性进行优化设计。