自制抗磨铸钢硬度高、焊后淬硬倾向严重。
The homemade wear-resistant cast steel has high hardness and high tendency of hardenability after welding.
这些内圈是碳铬钢制造的，并经过淬硬和研磨。
They are made of carbon chromium steel and are hardened and ground.
磨削热导致回火引起淬硬钢磨削后表面硬度变化。
Tempering resulting from grinding heat caused surface hardness changes of hardened steels after grinding.
该仪器完全能满足生产实际对淬硬层深度的测量要求。
This instrument can meet the need of actual manufacture for hardness depth measurement.
淬硬工具钢。
回火完全淬硬钢得到的最终组织结构被称为回火马氏体。
The final structure obtained from tempering a fully hardened steel is called tempered martensite.
随着砂轮粒度或砂轮硬度的提高，磨削淬硬层深度相应增加。
When the granularity or hardness of the grinding wheel increases, the hardened layer depth increases.
磨削深度是影响工件表面硬度和磨削淬硬层厚度的主要因素。
The effect of grinding depth on work piece surface hardness and hardness layer depth is important factor.
由于马氏体这一淬硬钢主要成分的不稳定性，使得回火成为可能。
Tempering is possible because of the instability of the martensite, the principal constituent of hardened steel.
结果证明：复合处理的淬硬层深度大于非氮化激光处理的硬化层。
The results show that the hardening depth of steel by composite treatment is much larger than that of single treatment of ion nitriding.
热轧工作辊的裂纹损坏和冷轧工作辊有效淬硬层过浅是两大突出问题。
The principal problems with respect to roll working life are cracking at the surface of roll for hot-rolling and that effective zone of quench-hardening of roll for cold-rolling is too narrow.
根据对试验结果的分析得出高速铣削淬硬钢工件表面粗糙度的变化规律。
The change rule of surface roughness of the milled workpiece is obtained by analyzing the experimental data.
研究了等离子束表面硬化工艺参数对硼铸铁淬硬层及其组织与性能的影响。
Effects of process parameters of plasma beam surface hardening treatment on hardening layer of boron cast iron and its microstructure and properties are investigated.
介绍了火焰切割对低合金高强度钢在残余应力、淬硬、渗碳等方面的影响。
This article introduces the impact of flame-cutting on high strength lower alloy structural steels from curious aspects Such as remnant stress, quench rigidity, cementite and so on.
这些性能使得这种材质等级的刀具材料被用作粗加工淬硬钢和珠光体灰铸铁。
These properties make this kind of material grades of tool material is used for rough machining of hardened steel and pearlitic gray cast iron.
基于锻后预冷淬火可提高工件的淬硬层深度，本文提出锻后余热预冷淬火工艺。
Based on that hardened case depth can be increased by delay in air after forging, the technique of delay quenching after forging is proposed in this paper.
回火作业包括将淬硬钢重新加热到低于临界范围的某一温度然后以任意速率冷却。
The operation consists of reheating quench-hardened steel to some temperature below the critical range followed by any rate of cooling.
反之，也可根据对某一直径钢球的淬硬层深度的要求，选择具有适当淬透性的钢种。
Conversely, according to the demand of hardening depth of a certain diameter of steel sphere, a steel kind of suitable hardenability can be selected.
双程磨削淬硬可使表面硬化层深度及其均匀性、显微硬度及耐磨性得到进一步提高；
The depths and its uniformity of the surface hardened layer, its microhardness and wear resistance are further improved under two-passes grinding.
模具淬硬钢高速铣削加工既可以保证加工表面的质量，又可以获得较高的生产效率。
High speed milling of hardened mould steel can not only ensure the quality of the surface that has been processed, but also achieve a high efficiency of production.
根据断口的宏、微观形貌，认为油管焊接后未及时消除焊接应力，产生了淬硬裂纹；
The macro and micro analysis of fracture indicates that it produces fracture because it doesn′t avoid welding stress in time.
尖端的螺丝刀已经取得了淬硬钢已地面提供一个长期的生活和一个确切的化油器的设立。
The tip of the screw driver has been made of hardened steel which has been ground to provide a long life and a precise carburettor set-up.
PEP-II泵的齿轮与轴共为一体，采用通体淬硬工艺，可获得更长的工作寿命。
PEP - II of the gear pump shaft, and the body USES hardening craft, can obtain more long working life.
为探讨钢的激光淬火工艺参数对淬硬层深的影响，本文对T10钢进行了激光淬火试验。
The laser hardening of the T10 steel specimens has been carried out and the effects of laser hardening technical parameters on hardened depth are discussed.
在感应淬火中，通过改变加热时间、加热功率和冷却速度可以改变淬硬层深度和硬度梯度。
The hardening case depth and hardness curve can be changed by adjusting heating time, heating power and cooling speed during induction hardening.
淬硬钢制成的零件具有一系列优良性能，用切削代替磨削加工这些零件，具有明显的优点。
Parts made of hardened steel have good performance. It has obvious advantages to substitute cutting for grinding these parts.
表面感应淬火提供有选择地淬硬部件滚道而部件的其余部分则不受淬火过程的影响的可能性。
Surface induction-hardening offers the possibility to selectively harden a component's raceway, while leaving the remainder of the component unaffected by the hardening process.
研究了淬硬钢回火硬度与回火温度的关系，建立了回火硬度与回火温度关系的回火效应模型。
Having studied the relationship between tempered hardness and tempering temperature for hardened carbon steels, a tempering behaviour model is set up between hardness and temperature.
对采用硅酸铝保温的淬硬倾向大的低合金高强度钢的焊接区域不同部位的焊接热循环进行了研究。
The investigation into the thermal cycles at different zones of a weld on HSLA steel with hardened tendency with aluminium silicate as thermal insulator are carried out completely.
对采用硅酸铝保温的淬硬倾向大的低合金高强度钢的焊接区域不同部位的焊接热循环进行了研究。
The investigation into the thermal cycles at different zones of a weld on HSLA steel with hardened tendency with aluminium silicate as thermal insulator are carried out completely.
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