榫槽

结果表明，叶片的断裂模式为振动疲劳，叶片榫头与榫槽配合不当是萌生疲劳裂纹的主要原因。

The results show that the fracture mode of blade is vibration fatigue and the main cause of initiation of fatigue crack is the mismatch between rabbet and tongue-and-groove .

榫头/榫槽接触问题边界元分析

Analysis of tenon and mortise contact problems by boundary element methods

本文通过UG软件对涡轮榫头/榫槽三齿结构进行了参数化建模；

This paper focuses on the design method of firtree tenon / mortise , the three-tooth firtree joint model is established with parametric method by UG software .

激光散斑法测定榫槽二维应力强度因子

Mortise 2 D Stress Intensity Factor Determination by Laser Speckle Method

甲铵预热器的泄漏原因与榫槽密封结构

Leak analysis of HP carbomate preheater and tenon jointing seal construction

透平叶根接触榫槽的热弹塑性分析和计算流程

Thermal elastic-plastic analysis and computer flowchart for turbine blade root fastenings

构件微动磨损疲劳&盘上周向燕尾榫槽的特点分析

Fretting fatigue in component & the feature in circumferential dovetail joints

锅轮叶片榫槽拉削与拉刀设计

Broaching of Turbo Blades Roots and Design of Broaching Tool

因此夹具设计是榫槽加工中的一个重要环节。

Therefore the fixture design in trough processing is an important link .

浅析木地板榫槽加工机床

Elementary Analysis of Tenoning & Grooving Machines for Wood Flooring

涡轮盘榫槽的光弹塑性应力分析

The Photo-elastoplastic Stress Analysis for the Tenon - slot of Turbojet Wheel

涡轮榫头/榫槽结构设计方法研究

Research on Design Method of Turbine Tenon / mortise

涡轮盘榫槽疲劳/蠕变交互作用的寿命研究

The Fatigue / Creep Interactive Life Study for Turbine Disk Fir Tree Groove

螺旋法制做大规格榫槽型法兰石棉垫及应用

Tenon-typed Flange Asbestine Mat of Large-standard Made by Helix Method And Its Application

复合材料板与金属板榫槽粘接结合有限元分析

FEM study of the adhensive tongue-and-groove joints for composite laminate and alloy plate

涡轮叶片枞树形榫头第一榫槽裂纹故障原因的探讨

A study of reason of first firtree serration cracking failure at turbine blade

钛合金盘燕尾型榫槽的高速拉削及表面完整性试验研究

Experiment Study on High-Speed Broaching of Ti Disk Dovetail Root and Its Surface Integrity

线切割燕尾形静叶榫槽工艺装备改造

Two-lobe epitrochoidal shape Fixture Modification for Linear Cutting Dovetail Groove for Stationary Blade Attachment

低循环疲劳失效多发生在轮盘榫槽底部应力集中较严重的部位。

The location of fatigue is the bottom of mortise where the stress concentration is high .

基于人工神经网络的静子叶片优化设计线切割燕尾形静叶榫槽工艺装备改造

Stator optimization using artificial neural network Fixture Modification for Linear Cutting Dovetail Groove for Stationary Blade Attachment

涡轮盘榫槽夹具可以保证加工精度高，提高加工效率。

The turbine disk trough fixture may guarantee the processing precision is high , enhances the processing efficiency .

研究了榫头/榫槽结构中存在的严重应力集中问题，采取双曲率曲线等措施减缓应力集中；

Double curvature curve is applied to reduce the critical stress concentration which occurs at tenon / mortise .

将边界元分析应用于航空发动机轮盘榫槽与叶片样头联接的计算，并与激光散斑法的实测结果进行比较；

A numerical analysis of dovetail joints is made , and the results are compared with that of laser-speckles measuring .

开榫槽把木板切割成长方形的凹槽，以便相似的板能被放进去

A rectangular groove cut into a board so that a like piece may be fitted into it . grain drive shifter

研制了离心加载装置，解决了超大型光弹模型离心应力冻结问题；用三维光弹性冻结切片法，对烟气轮机轮盘榫槽部位在离心力场作用下的应力分布进行了分析；

Using the three-dimensional photoelastic frozen stress method , the stress distribution of the turbine disk mortise part under centrifugal force was analysed .

在详细分析榫槽应力状态的基础上，确定了轮盘的临界平面。

With the particularly researching on the stress state of disk mortises , the critical plane method is introduced to evaluate the disk fatigue life .

以有限元分析和标准试件疲劳试验为基础，通过有限元分析的方法，细致分析了轮盘处于工作状态时，叶片榫头的接触应力对榫槽底部应力状态的影响。

Based on FEA and standard fatigue sample test , using the FEA method , deeply analyzed the disk mortises ' contact stress with blade rabbets .

微动疲劳损伤广泛存在于各种机械构件中，主要发生在两接触面且受交变载荷作用的构件上，如螺栓，轴承，键槽和榫槽等。

Fretting fatigue damage lies in machine components widely , which interfaces mostly bear alternate load , such as bolts , axletrees , slots and tenors .

改进方法包括：提出应力修正系数概念和一种适用于轮盘榫槽结构的理论应力集中系数确定方法，以及应力比修正方法。

It includes the concept of stress correction coefficient , a new method to determine the stress concentration factor of mortise of a disk and a new method for correcting the stress ratio .

文章着重介绍了金刚石修整滚轮的制造和应用技术，并例举了国产人造金刚石修整滚轮在气轮发动机叶片之叶根榫槽加工中的应用实例。

The paper is focused on manufacturing and application technology of diamond dressing contact roller with some application examples of domestic man made diamond dressing contact roller to blade groove machining of air turbine engine .