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.
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.
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...
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.
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.
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.
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.
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.
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.
借助于科学技术，玻璃可以被制作的像钢一样硬，像丝一样柔，像纸一样轻，像铁一样重。
With the help of the science and technology, glass can be made as hard as steel, or as soft as silk, or as light as paper, or as heavy as iron.
用等离子体浸没离子注入与沉积（PIIID）复合强化新技术在AISI52100轴承钢基体表面成功合成了硬而耐磨的氮化钛薄膜。
Titanium nitride(TiN) hard protective films were fabricated on AISI52100 bearing steel surface employing plasma immersion ion implantation and deposition(PIIID) technique.
采用光学显微分析法在不同直径硬线钢的不同部位，分析了非金属夹杂物的数量、大小和分布特征。
The amount, size and distribution of non-metallic inclusion in different positions of hard wire steel with different diameters were investigated by optical microanalysis.
钢比木头硬。
试验研究发现，磨削淬硬的磨削力比值范围与磨削淬火钢的磨削力比值范围相一致，大于磨削普通钢的磨削力比值范围。
The grinding force ratio in grind-hardening consists with the grinding force ratio in grinding quenched steel, and is bigger than the grinding force ratio in grinding unquenched steel.
所有传动轴、辊材质均为优质钢，高精度动平衡校正，镀硬铬、表面研磨。
All the transmission axle and rollers are made of high-quality steel with high-precision dynamic balance, plated with rigid chrome and grinded surface.
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.
大方坯连铸机主要浇铸优质钢和合金钢，如重轨钢、硬线钢、弹簧钢、轴承钢、合金结构钢等重点品种。
A bloom continuous Casting machine main cast quality steel and alloy steel, such as heavy rail steel, hard-line steel, spring steel, bearing steel, alloy structural steel, and other key species.
钢虽硬，但在强力作用下也会弯曲或断裂。
Hard as steel is, it will bend or break under the action of a strong force.
淬硬工具钢。
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.
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.
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