Analysis on quenching cracking of 45~# steel parts and its technological improvement;
45~#钢小工件淬裂原因分析与工艺改进
Several factors leading to quenching crack of dovetail cutters were analyzed.
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。
On the limited conditions of raw material,machining process and heat treatment equipments,through improving the charging way of the pin,controlling austenizing temperature and cooling cycle and optimizing queching medium,the quenching cracks of the pins made of T8A steel can be effectively prevented.
在材料、机加工工艺及热处理设备等条件有限的情况下 ,通过改进销轴的装炉方式 ,控制销轴的淬火温度、冷却时间以及冷却介质 ,可有效防止T8A销轴的淬火裂纹。
It also has some reference effects on the theoretical analysis of quenching crack.
用淬火裂纹的理论进行分析,提出了ZG65Mn锤头水冷淬火热处理新工艺,产生了一定的经济效益。
Failure analysis on quenching cracking of RM-2 hot-working die steel;
RM-2热作模具钢淬火开裂原因分析
According to the actual quenching process of steel 40Cr axle vehicle,the main reasons for its quenching cracking are analyzed.
根据40Cr钢汽车半轴的实际淬火工艺,分析了淬火开裂的主要原因,并针对淬火开裂的主要形式,制定出了三种热处理工艺方案并实施。
The results showed that the fracture, as a member of quenching crack, is mainly caused by the unhomogenous microstructure of the steel plate.
结果表明 ,模具钢属淬火开裂 ,主要原因是材料内部组织不均匀所
The film can reduce the themal stress, transformation stress and quenching distortion of the steel and prevent the formation of quenching cracks.
结果表明,该淬火剂在冷却金属时,在金属表面形成一层聚合物隔离膜,此膜能降低金属淬火时产生的热应力和组织应力、减小淬火变形量、防止淬火开
Analysis on quenching cracking of 45~# steel parts and its technological improvement;
45~#钢小工件淬裂原因分析与工艺改进
Subcritical Quenching Technique for 45 Steel May Reduce Quenching Dehiscence Tendency
45钢亚温淬火工艺可减少淬火开裂倾向
Hardening Crack Analysis and Prevention Measurement for 45 SteelWobbling Arm Axis
45钢摆臂轴淬火裂纹分析及防止措施
Analysis on Crack Reason of Working-face of Wheel Surface-quenched by Flame
车轮踏面火焰表面淬火开裂原因初探
TENSILE BEHAVIOR AND FRACTURE CHARACTERISTICS OF STEP-QUENCHED DUAL-PHASE STEEL 20
台阶淬火双相20钢的拉伸行为及断裂特征
Analysis and Research on Universal Grinding Machine s Quench Spliting;
万能工具磨床钳口件淬火开裂的分析与研究
The Measures of Preventing Intermediate Frequency Quenching Cracks in Turnings of ZH110;
ZH110型汽车转向节中频淬火防止开裂的措施
The ceramic layer does not crack or flake off when heated to800℃ and then quenched.
将陶瓷内衬复合钢管加热至800℃温,然后水淬,陶瓷层不炸不裂。
800MPa grade heavy plates with low susceptibility to welding crack produced by direct quenching
直接淬火研制800MPa级低焊接裂纹敏感性高强钢厚板
Meanwhile, the fracture was accelerated due to the uneven surface hardness and the unreasonable distribution of the hardening layer on the crankshaft, and the bad lubrication condition in service.
同时轴左颈表面硬度不均匀、淬硬层分布不甚合理,工作过程中润滑条件差,加速了曲轴的断裂。
surface hardening steel
低淬透性钢, 浅淬硬钢, 表面硬化钢
Steel - Hardenability test by end quenching(Jominy test)??
钢端头淬火的淬透性试验(乔米尼试验)
Process for Controlling Hardenability Characteristic of Gear Steel 22CrMoH
22CrMoH淬透性及窄淬透性带的控制
austemper stressing
等温淬火表面应力;等温淬火前加应力;加工应力等温淬火
The process of cooling is called quench .
这种冷却过程叫做淬硬。
mesh belt conveyor bright quenching furnace
网带输送式光亮淬火炉
complete equipment for high frequency induction quenching
高频感应淬火成套设备
crankshaft journal face hardening machine
曲轴轴颈表面淬火机床