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.
硬钢的高速切削。
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.
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.
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.
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.
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。
Not only high speed milling quench steel ensures quality of manufactured surface, but only it can obtain high production efficiency.
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.
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.
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...
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.
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.
对硬钢、白铸铁、非铁金属、塑料、合成材料等进行钻孔、深钻孔、车削、铣削等加工的牌号。
Drilling, gun-drilling, turning, milling of hardened steel, white cast iron, non-iron metals, plastics an synthetics.
研究了实际的精密镗削系统及其切削数据，用计算方法探讨了用于计算超硬钢镗削切削力的系数。
The article studies a virtual fine boring system and its cutting data and presents a method to calculate the coefficient of cutting force when boring super-hard steel.
介绍了批量精密镗削超硬钢的难点和解决方法，对超硬钢精密镗削的一些规律及数据作出了探讨。
The Article introduces the difficulty of fine boring superhard steel in mass production as well as its solution. The author also analyses some rules and data about fine boring superhard steel.
结合生产，对s- 136淬硬钢高速铣削工艺的刀具选择、冷却方式、进给路线进行了分析。
Choice of cutting tool, cooling manner and feed path in high speed milling S-136 hardened stainless tool steel were analyzed, based on a S-136 die production.
在平面磨床上对非淬硬钢进行了磨削硬化处理，研究了磨削方式和冷却条件对表面硬化层的影响。
The surface hardening of 40cr steel was performed on a surface grinder by transverse feed grinding; the changing trends of microstructure and wear behavior of surface hardened layer were researched.
磨削淬硬是利用未淬硬钢零件磨削加工中产生的热—机械复合作用直接对其进行表面形变淬火的新工艺。
A new surface deformation quenching process which utilized the composite thermal and mechanical effects generated in grinding to harden the surface of work-piece is introduced.
国产新型塑料模具钢主要有预硬钢、时效硬化钢、淬火——回火钢、冷挤压成型模具钢、耐蚀钢等类型。
The new domestic - developed plastic mould steels include prehardening steel . age hardening steel, quenching-tempering steel, cold -forming steel, and anti - corrosion steel, etc.
采用导电加热切削技术切削淬硬钢的特点在于：可以采用普通机床、硬质合金刀具对淬硬钢进行硬车削加工。
The feature of machining harden steel by means of EHM are: it can utilize the carbide tool to machine the harden steel in engine lathe.
它基本上由在淬硬钢衬套下将零件夹持到位的夹持装置组成，钻孔作业中钻头穿过这些衬套，通过它们来导向。
Basically it consists of a clamping device to hold the part in position under hardened-steel bushings through which the drill passes during the drilling operation. The drill is guided by the bushings.
根据实验观察，采用热氧化法对高速切削的淬硬钢切屑成色进行分析，以此判断在切削过程中切屑经历过的切削温度。
It analyses analyzed the colors of hardened steel under the conditions of the high-speed cutting by the thermal oxidation method, and the cutting temperatures are estimated.
特别是JT9和JT11刀具，不但刀具磨损量小，加工表面质量好，而且在切削45钢和45淬硬钢时切屑为崩碎切屑。
Especially the tool wear size of JT9 and JT11 is small and the machined surface quality is high. In cutting 45 anneal steels and 45 hardened steels by JT9 and JT11 tools, chips were segments.
核燃料的形式是在硬合金包裹下的燃料棒；并且这些燃料棒放在水中，外面还有一层钢压力容器。
The nuclear fuel is encased in hard alloys to construct fuel rods; the reactor core that these rods make up, and the water it sits in, are contained within a steel pressure vessel.
本文对厚编织复合材料板由硬的钢圆柱弹丸穿孔问题进行了研究。
The study is concerned with perforation of thick woven composite plates by hard steel cylinder.
比钢还要硬的人民子弟兵，向你们致敬！
适用于中高抗张强度金属材料的磨削，如一般碳素钢，合金钢，可锻铸铁，硬青铜等。
Applicable to high tensile strength metal grinding, such as general carbon steel, alloy steel, malleable iron hard bronze.
快速淬火硬化的钢是硬而易碎的，不适合大多数场合使用。
Steel that has been hardened by rapid quenching is brittle and not suitable for most uses.
快速淬火硬化的钢是硬而易碎的，不适合大多数场合使用。
Steel that has been hardened by rapid quenching is brittle and not suitable for most uses.
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