The adoption of four-sideedge shearingblade prolongs the service life of blade.
采用四面刃的剪切刀片，提高了刀具的使用寿命。
2
Its application situation on heat shearingblade, guide plate and nodular indefinite chill roll are introduced too.
并阐述了这种焊条在热剪剪刃、机导板头、墨无限冷硬铸铁轧辊堆焊等方面的应用情况。
3
Besed on theoretic analysis of tube shearing, this paper mainly discusses the design principles and method of tube shearingblade and briefly introduces the design of section shearingblade.