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石家庄拖拉机厂的三吨模锻锤锤头开裂,严重地影响了生产任务的完成。为此厂里要我们协助解决,我们攻关组首先对锻锤的锤头产生裂纹的原因进行了科学的分析,发现裂纹是沿锤头燕尾内圆角开裂的一条贯穿裂纹。裂纹
Shijiazhuang tractor factory three-ton hammer forging hammer cracking, seriously affected the completion of production tasks. To this end we want to help solve the factory, our research group first hammer forging hammer crack cause of a scientific analysis found that cracks along the hammerhead dovetail cracking a through crack. crack