The processing and production of the shank die forgings has brought many inconveniences to the enterprise and caused great economic losses: (1) The number of die forging manufacturing has increased, regardless of the size of the batch, at least two sets of forging dies should be guaranteed for each type of forging, to ensure the production (2) The mold cost accounts for more than 30% of the cost of the die forgings I (3) A huge warehouse needs to be set up to store the molds.

On-site heat treatment process of shank die forgings: 860C quenching, 500C tempering, mold surface hardness RC4247.