Analyzes the causes of cracking that arised in a type of die under machining of die space with wire arc cutting. Suggests preventative methods of cracking.
分析了一种冷冲模在用线切割方法加工型腔时发生开裂的原因，提出了防止开裂的措施。
When definite mold die space, should consider that enables it to have the enough intensity and the rigidity under the high-pressured melt function, does not cause the mold to be too unwieldy.
确定模具型腔时，应考虑使其在高压熔体的作用下具有足够的强度与刚度，又不使模具过于笨重。
When definite mold die space, should consider that enables it to have the enough intensity and the rigidity under the high-pressured melt function, does not cause the mold to be too unwieldy.
确定模具型腔时，应考虑使其在高压熔体的作用下具有足够的强度与刚度，又不使模具过于笨重。
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