1、 旋耕刀是以拖拉机或手扶拖拉机作为主动力源驱动，在田间作旋耕、灭茬、起垄作业的刀具

2、材料选用：65Mn，也有特殊采用60Si2Mn

3、硬度选择在HRC40-50，整体热处理，也有局部热处理，刀柄40±3，刀身48±3

1、With four wheel tractor or a walking tractor as the maun power source to drive the rotary tillage, suitable for rotavator stubble ridging work tool

2、Material selection,65Mn( there are also special using 60Si2MN)

3、the hardness of heat treatment is HRC40-50,the overall heat treament,also has local heat treatment,handle 40±3,blade48﹢3

注：（IT和IS区别为刀柄宽度不一样，IT为30 IS为25mm）

Notes:  ( IT and IS The difference is not the same shank width ,  IT is 30mm  IS is 20mm)

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