heavy case是什么意思

网络释义

用法例句

The application of low pressure vacuum carburizing technology and equipment under deep carburizing conditions were introduced,and It is pointed out that as a quick deep carburizing technology it can reduce process time and production cost as well as increase productivity substantially.

介绍了低压真空渗碳工艺和设备在深层渗碳条件下的应用 ,指出低压真空渗碳作为一种快速的深层渗碳技术 ,可显著缩短工艺时间 ,降低生产成本 ,提高生产

This paper searches the relation between the effective hardening layer and depth of carburizing case measured by the metallographic method.

通过理论分析和试验结果 ,讨论了几种典型渗碳齿轮用钢 ,采用不同淬火工艺参数对有效硬化层的影响 ,探讨了有效硬化层和金相法测量的渗碳层深度之间的关系 ,为齿轮现场生产检测提供了一定的参考依据。

The results show that the difference between the metallographic method and hardness method is small, so we can adopt the metallographic method during heat treatment inspection of 20Cr steel; and the depth of carburizing case can be calculated from the outside face to where the pearlite contents are 50% when using metallographic method.

用金相法和有效硬化层深法测定 2 0 Cr钢渗碳后渗碳层深度 ,试验分析了与碳浓度梯度之间的关系。

This paper compared several testing methods of carburized depth of high air pressure drill and evaluafed their accurately and practicality.

比较了高风压钻头渗碳层深度的不同检验方法 ,并对其正确性和实用性进行了探讨。

Induction voltage values of the eddy current testing coil with different carburized depths are calculated.

根据轴对称涡流电磁场有限元计算的基本原理,开发了有限元分析软件,计算了不同渗碳层深度时涡流检测线圈的感应电压。

By using a nonlinear reducing of the data, a carbon distribution model and a mathematical model referring to the relationship between the case depth and the electromagnetic characteristics are built.

通过对渗碳层中碳的分布进行非线性回归处理 ,建立了渗层的碳分布模型及渗碳层深度与渗碳层中电磁特性之间的数学模型。

The kinetics of austenite grain growth,structure and mechanical property of carburized case were studied on rare\|earth deep carburizing steel 20Cr2Mn2MoRE and were compared with 20Cr2Mn2Mo.

研究了稀土深层渗碳钢 2 0Cr2Mn2MoRE奥氏体晶粒长大动力学、渗层组织和力学性能 ,并与2 0Cr2Mn2Mo钢进行了比较。

Simulation Study on Fluidized Bed Carburizing Layer Depth Mathematic Model

流态化渗碳层深度数学模型仿真研究

Online detecting for carburizing depth of iron and steel parts based on Online LS-SVM

基于Online LS-SVM的钢铁件渗碳层深度在线检测

Wavelet Analysis Application on Eddy Current Testing Signal Processing of Carburized Layer Depth;

小波分析在渗碳层深度涡流检测信号处理中的应用

Measurement on the carbonizing or nitro-caburizing harden case depth of sintering iron-based material

GB/T9095-1988烧结铁基材料渗碳或碳氮共渗硬化层深度的测定

Model for the distribution of carburized case depth of spur gear in warm forming after car burizing

直齿轮“渗碳-温挤”渗碳层厚度分布模型

Surface Compound Treatment of C-N Multi-elements and RE-B-C-N Multi-elements Deep-penetrating

碳氮共渗-深层稀土硼碳氮共渗复合处理

Sim? ilarly, an increase in case depth, particularly uneven case depth in case hardening steels, increases warpage on quenching.

与此类似，渗碳层厚度越大，特别是对于渗碳层厚度不一的渗碳用钢，淬火时更易产生翘曲。

Influence of nitrocarburizing on microstructure and roughness of 4Cr10Si2Mo steel

氮碳共渗对4Cr10Si2Mo钢渗层组织和表面粗糙度的影响

Diameter Tolerance, Ovality and Average Decarburized Layer Depth

直径公差，偏圆度及脱碳层的平均深度

EVOIL? ALMOND applies easily, offers deep penetration and significant moisture retention together with high nourishing properties.

使用方便，深层渗透，超强保湿，高度滋养。

Permissible depth of flaw and decarburized layer

裂纹之容许深度及脱碳层

Determination of depth of decarborization of steel

GB/T224-1987钢的脱碳层深度测定法

Surface combined treatment of carbonitriding and B-C-N-RE multi-elements deep-penetrating on 20Cr steel firebrick die

碳氮共渗-深层稀土硼碳氮共渗复合处理在20Cr钢耐火砖模具中的应用

Microstructure and Hardness of Cr,B,C Ternary Cast-infiltrated on 45 Steel Surface

45钢表面铬、硼、碳三元铸渗层的组织和硬度

Technologies for improving producing degree of low permeability carbonate reservoirs

提高低渗碳酸盐岩储集层动用程度技术

Influence of plasma carburizing temperature on microstructure and properties of carburized layer for AISI 316L stainless steel

离子渗碳温度对316L不锈钢渗层组织和性能的影响

The finished part shall have a nitride case depth that does not exihibit porosity that extends deeper than the outer half of the nitride case depth.

成品件外表面渗氮，只允许在渗氮层的靠外表面的渗层一半深度存在缩孔。

The intensive stimulation technologies of carbonate reservoirs in deep and ultra-deep wells:A case study of the Tarim Oilfield

深井超深井碳酸盐岩储层深度改造技术——以塔里木油田为例