The relationship between dimensional stability and stabilization time for curved wood under different soften- ing conditions was studied.
研究在不同软化工艺条件下弯曲木材尺寸稳定性与陈化时间的关系,结果表明:使弯曲木材获得最佳尺寸稳定性所需的陈化时间随软化工艺的不同而不同。
Based on lots of tube bending experiments,the stress-strain state along the tangential direction of bending line and the direction of the wall thickness is analyzed.
通过大量管材弯曲试验,分析了沿弯曲线的切向和管壁厚方向的应力应变状态,给出弯管内、外侧管壁厚变化量和切向应变的近似计算公式。
Based on the experiments,the stress-strain state along the tangential direction of outer side of tube bending and the direction of the wall thickness is analyzed and related mean strain calculating formula is also derived.
通过实验,分析了管材弯曲外侧的切向和管壁厚方向的应力应变状态,建立了相应的平均应变计算公式,进一步推导出由管材延伸率和拉伸强度所约束的最小相对弯曲半径计算公式。
This article analyses the state and the distribution of the stress and the strain in the deformed region of steel tube,and then introduces the calculation equation of tube bending moment derived,and also how to apply it to the design of a tube bender.
分析了管材弯曲变形区的应力应变状态及其分布 ,导出了管材弯曲力矩的计算公式 ,并将之应用于弯管机设
The deep drawing technology research for the rib part of bending sheet metal;
弯曲板材肋部之深拉深技术研究
These methods are typical in pole and shape bending.
通过对型材弯曲的工艺分析、模具设计及模具调试的总结 ,说明了型材在弯曲过程中常见的缺陷及消除方法 ,在型材、管材的弯曲成形方面有一定的代表性。
Research on the Bending Spring-back of Thin-walled Tube and the Control System of Tube Bending Machine;
管材弯曲回弹及弯管机控制系统的研究
Determination of deflection for rigid plastic pipes
GB/T8805-1988硬质塑料管材弯曲度测量方法
Finite element simulation and experimental analysis of tube bending
管材弯曲有限元仿真分析及试验研究
Research & Development on the Numeric Simulation of the Tube Bending;
管材弯曲成形数值模拟技术的研究与开发
Experimental Study and Simulation on Laser Bending of Tubes;
管材激光弯曲成形的试验与模拟研究
A length of pipe with a sharp bend in it.
（管子的）弯曲处一段有弯曲的管道
Particular specifications for pliable self-recovering conduits of insulating materials for electrical installations
GB/T14823.4-1993电气安装用导管特殊要求--可弯曲自恢复绝缘材料导管
Note: Total tolerance for straightness of a tube shouldn't no straightness tolerance specified for coil pipes or straight pipes in annealed condition.
注：对于成盘供应的管材和各种尺寸的直条软管的弯曲度不作规定。
BENDING STRENGTH EXPERIMENTS OF FIBER-REINFORCED COMPOSITE CIRCULAR TUBE AND THEIR THEORETICAL ANALYSIS
纤维增强复合材料圆管弯曲强度实验及其理论分析
To make or form an offset in(a wall, bar, or pipe).
做弯曲使在（墙、杆或管子）上形成壁阶或弯曲
bar tubing shapes and pipe benders
金属筒材、型材和管材用折弯机
Metals - Rotating bar bending fatigue testing???
金属－－棒材旋转弯曲疲劳试验
Metallic materials--Wire--reverse bend test
GB/T238-1984金属线材反复弯曲试验方法
Interlaminar Stresses of a Laminated Composite Bar under Bending (Ⅰ)
叠层复合材料杆弯曲的层间应力(Ⅰ)
Study on Laser Bending for Metal Sheets and Mechanism;
金属板材激光弯曲成形及其机理研究
Research on the Springback of Bending in LY12 Aluminum Alloy Sheet;
LY12铝合金板材弯曲回弹实验研究
Bending Vibration Equation and Vibration Model of SMA Smart Composites;
SMA智能复合材料结构的弯曲振动方程
Study on the flexural strength of 12 different non-metal core materials
12种非金属核材料的弯曲性能研究