Heat treatment process and tooling for shield machine cutter ring
A technology of shield machine and heat treatment equipment, which is applied in the field of construction machinery, can solve the problems of poor impact toughness of tool holders and improved toughness of tool holders, and achieve high impact toughness, reduce labor intensity of workers, and reduce manufacturing costs.
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Embodiment 1
[0042] FIG. 2 illustrates the structure of the cutter ring 1. The knife ring 1 for this embodiment includes a knife edge 8 and a knife seat 9, and the knife seat 9
[0047] Further, after the tempering is completed, the cutter ring 1 is subjected to a precision grinding process to obtain a finished product.
[0049]
[0050] Table 1
[0051]
Embodiment 2
[0057] As shown in Figures 1 to 4, the present embodiment provides a process used in the heat treatment process of the above-mentioned shield machine cutter ring 1.
[0062] Further, the two ends of the fixed shaft 3 are provided with threads, and the fixing member is a nut 7 that cooperates with the threaded structure.
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