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- Quenching crack deep and long, straight fracture, fracture surface without oxide color. 淬火裂纹深而细长，断口平直，破断面无氧化色。
- The quenching crack was mainly caused by the metallurgic defects all well as well as the unreasonable structural design and improper machinework. 结果表明，钢板存在的治金缺陷以及不合理的机加工和结构设计，是导致其淬火开裂的根本原因。
- The intercritical hardening process for the camshaft thrust piece was proposed by analyzing the reason of quenching crack. 对凸轮轴止推片产生淬火裂纹的原因进行了分析,提出了亚温淬火工艺,并在实践中应用,消除了淬火裂纹。
- The method of lapping repair for quenching crack inside the cold die steel has been studied in this paper in order to prevente the crack. 针对这一情况，提出了对已形成淬火裂纹的冷作模具进行搭桥修复的新思想，并进行了试验研究。
- Any cylinder designed to the requirements for specification 3AAX and found to have a quenching crack must be rejected and may not be requalified. 按照3AAX规范设计的钢瓶，发现淬火裂纹后，必须报废，不可以再使用。
- Such crack belongs to quenching crack, which is caused by too high temperature for carburization,coarse grains and bad original materials. 渗碳温度过高、晶粒粗大、材质不良是产生淬火裂纹的原因。
- The method of lapping repair for quenching crack inside the cold die steel has been studied in this paper in order to prevente the crack.The experimental research has been done. 针对这一情况，提出了对已形成淬火裂纹的冷作模具进行搭桥修复的新思想，并进行了试验研究。
- No danger of quenching crack. 无淬裂危险。
- Several factors leading to quenching crack of dovetail cutters were analyzed.The heat treatment process was designed to prevent dovetail cutters from cracking. 分析了导致鸽尾铣刀产生淬火裂纹的因素,设计了能有效预防鸽尾铣刀淬裂的热处理工艺。
- There are many scrapped products or raw materials caused by the quench cracks of metal workpieces. 金属材料工件因淬火裂纹造成产品或原材料报废的实例很多。
- Chemical analysis and metallograph examination were used to analyze the quenching cracking of shaft gear. 运用化学分析、金相检验等方法,对45钢制轴齿轮产生的裂纹进行检测分析。
- Cause analysis about quenching crack of steel parts 钢制零件形成淬火裂纹的原因分析
- Induced quenching crack of big dozer gear 大功率推土机齿轮感应淬火裂纹的探讨
- In addition, quenching cracks in the release valve arise from the stress concentration at incisions of valve intracavity. 而淬火裂纹系因泄放阀体内腔刀痕的应力集中而产生的。
- Precaution of Quenching Crack of Dovetail Cutter 预防鸽尾铣刀淬火裂纹的工艺探索
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- This paper makes an inquiry into the problem, proceeding form the characteristics, cause and effect of the quench cracks, and proposes som measures to prevent cracks. 从淬火裂纹的特征、起因、影响因素入手，对金属材料热处理工件淬火裂纹问题进行了探讨，并提出防止裂纹产生的措施。
- This paper analyzes the main reasons of quenching cracks in turnings of ZH110,and the measures of reventing intermediate frequency quenching cracks are put forwarded. 分析了转向节中频淬火产生裂纹的主要原因,提出了防止ZH110型汽车转向节中频淬火裂纹产生的一些具体措施。
- The marchers jumped off at the crack of dawn. 行军队伍在破晓时出发了。
- The riot police started to crack down on them. 防暴警察开始对他们采取镇压行动。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
