The new rolling cutter for the recoiling vest-like plastic bag manufacturing device is developed, the structure, material, heat treatment process and edge grinding techniques are improved.

研制了卷装背心袋式塑料制袋机用新型滚刀，在刀具结构、材料、热处理工艺和刃磨技术等方面进行了全面的改进和更新。

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Presented in this paper is a new advance in cutting tool material, index cutting tool, cutter holder for bidirection fixed position, dry type cutting, hard stale cutting etc.

介绍了刀具材料、可转位刀具、双向定位刀夹、干式切削、硬态切削等切削技术方面的新进展。

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