题目

英语翻译
Q1：The set is balanced around the centre line of the blade with a maximum variation is side set of 0.6mm alone any one side.the overall set will not vary along the length of a blade by more than 0.12mm.
Q2:the heat treatment of the blade is such that is has a minimum hardness of 450Hv11,other than for 55mm at each end which is reduced in hardness by end softending.the hardness at each side of the pin-hole is 550-752Hv11.
Q3 SET
the set along the whole of the cutting edge is uniform and of the amount and type given in appendixA.No cracks will exist at the base of the teeth due to setting.

提问时间：2020-07-07

答案

1,刀片中心线持平,各边最大间距0.6mm.整件不得超过刀片0.12mm.
2,刀片热处理允许最小硬度450Hv11,每一边退火后保持55mm,各边打孔550-752Hv11.
3,刀口切割边缘齐整,参见附件A要求.刃口不允许裂缝.