Unfortunately, though flat tappets from China are cheap, their metallurgy is suspect-and the same goes for the quality of their machining, heat treatment and surface-hardening.
不幸的是尽管中国制造的平头挺杆物美价廉，但是其冶金技术遭到质疑，加工、热处理、表面硬化质量也遭质疑。
One of the first steps you should take when hardening a machine is to reduce its attack surface. The more code that's running on a machine, the greater the chance that the code will be exploitable.
进行系统加固应该采取的首要步骤之一是降低其受攻击面：机器上运行的代码越多，代码被利用的机会更越大。
In this paper, optimization of phase change parameter and hardening parameter of closed hierarchical single surface model is studied.
对封闭型分级单屈服面模型参数中的阶段改变参数和硬化参数的优化进行了研究。
Of course there will be lava, hardening into a new surface, as the plates are being pulled apart and beneath the plates is magma.
当然会有岩浆，硬化成新的表面，因为板块被拉开而在板块下方的就是岩浆。
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.
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。
Under these circumstances there would always be some finite depth of surface hardening regardless of size.
在这种情况下不管零件尺寸如何，其表面总归有一定深度被硬化。
In the area of manufacturing, lasers are used for drilling, cutting, joining, hardening, surface modification and micromachining.
在生产领域，激光可以用来钻孔、切割、连接、硬化以及进行表面改性和微加工。
The paper also briefs the nozzle or moving blade surface hardening treatment technology, including plasma spraying and diffusion layer for preventing the nozzle and moving blade from SPE.
文章还介绍了为预防汽轮机喷嘴和动叶片免受固体颗粒侵蚀所采用的表面硬化处理技术，包括等离子喷涂层和扩散渗层在内；
Generally used in quenched and tempered state, can also carry on the carbonitriding and high-frequency surface hardening.
一般在调质状态下使用，还可以进行碳氮共渗和高频表面淬火处理。
The results show, surface treated by laser hardening can improve the surface hardness and wear resistance.
结果表明，激光硬化处理的表面能够有效地改善材料表面硬度和耐磨性。
Derusting, oxide skin removing and surface hardening for copper castings, sheet metal, stainless steel strips, aluminum castings.
铜合金铸件，薄板、不锈钢带、铝合金铸件除锈、除氧化皮及表面强化。
This paper introduces the applications of the very high power laser in the surface hardening of materials.
本文介绍大功率激光器在材料表面强化中的应用概况。
Surface thermal spray weld process with alloy powder is a new technology of surface protecting and hardening.
合金粉末表面热喷焊技术是一种新的表面防护和强化工艺。
Experiment has shown that it has good effect on partial surface hardening.
试验证明这种发生器对材料的表面局部硬化非常有效。
Grinding hardening, the technology of hardening steel piece surface with grinding heat instead of high or medium frequency induction hardening heat, can integrate grinding surface hardening.
磨削强化处理技术是利用磨削热替代高、中频感应淬火热源对钢件表层进行强化处理，将磨削加工与表面强化合为一体。
Effects of process parameters of plasma beam surface hardening treatment on hardening layer of boron cast iron and its microstructure and properties are investigated.
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。
A new laser surface hardening technology of aluminium alloy was examined in this paper.
研究了一种新的铝合金激光表面强化工艺。
This paper reviews the steel grades for the quenching - tempering and surface - hardening gears.
介绍了国内外调质表面淬火齿轮用钢的情况。
Now the surface treatment methods are surface hardening, tufftride, plasma CVD, etc.
目前常常用的表面处理方法有表面淬火、软氮化和等离子CVD等。
The al concentration distribution in aluminized layer, microstructure and some properties of surface hardening layer were studied.
用渗铝-内氧化技术对纯铜进行了表面弥散硬化处理。
The dynamic process of metal cutting is simulated by using FEM software ANSYS. At the same time, the deformation graphics of surface hardening and its numerical solution are obtained.
利用有限元软件A NSYS模拟出了金属切削的动态过程，同时获得已加工表面的加工硬化变形图及其数值解。
A three-dimensional numerical model for laser surface transformation hardening of metals using the finite differential technique is given in this peper.
给出了用有限差分法对金属材料激光相变硬化过程建立的三维数值模型。
This paper briefly introduces the principle, the advantages, and the use of plasma arc surface hardening technology.
本文首先简要介绍了等离子弧表面强化处理技术的原理、优点和用途。
The three key techniques for laser surface hardening of gear have been proposed in this paper. With using these techniques, an uniform hardened case along the flank of gear has been obtained easily.
提出了齿轮激光表面强化的偏置技术、变速扫描技术和辅助冷却技术，因而，获得了沿齿廓分布的均匀硬化层。
Process parameters were found to obtain optimum effect of surface hardening, according to material property and technology requirement.
可根据材料的特性及技术要求，通过改变工艺参数得到理想的加工表面。
Process parameters were found to obtain optimum effect of surface hardening, according to material property and technology requirement.
可根据材料的特性及技术要求，通过改变工艺参数得到理想的加工表面。
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