1) complex profile
复杂型材
1.
Optimization design method of extrusion die for complex profile;
复杂型材挤出模结构优化设计方法
2) complex sections
复杂断面型材
3) complicated profile die
复杂型材模具
1.
The structure and making technology of the complicated profile die are analyzed.
分析了复杂型材模具结构特点及其加工工艺,阐述了分体成型加工工艺原理,详细介绍了实施该工艺重要工序──电加工过程。
4) profile with complex section
复杂截面型材
1.
In order to understard the cross-section distrotion during the stretch bending of profiles with complex section,a 3D FEM model of the stretch bending of a profile with complex section used in car has been established based on the ABAQUS/Explicit software.
为了研究复杂截面型材拉弯过程中的截面畸变,基于 ABAQUS/Explicit 平台建立了某汽车用复杂截面型材拉弯成形过程的有限元数值模型,提出了衡量横截面畸变的指标,分析了该过程中截面畸变的特征及成形参数对截面畸变的影响规律。
5) complicated surface
复杂型面
1.
Studied EDM ultrasonic combined pulse electrochemical polishing of 3D complicated surface,described the principle of EDM ultrasonic machining and designed the installation.
利用电火花-超声和脉冲电化学复合加工工艺对三维复杂型面的光整加工进行了研究,论述了电火花超声复合加工的原理及超声装置的设计,进行了工艺参数实验研究,通过MasterCAM软件实现型面的造型、编程,进行了三维型面的精密成形加工,经过脉冲电化学抛光后使型面达到镜面效果。
6) complex groove
复杂槽型
1.
Aiming at the problem of groove optimization of milling insert with 3D complex groove, the experiments about milling force and milling temperature and the finite element analysis have been done.
针对三维复杂槽型铣刀片槽型优化问题,进行了铣削温度和铣削力试验及其有限元分析,以铣刀片耦合场最优为优化目标,建立了槽型参数多目标优化数学模型,利用遗传算法求解了固定切削参数和给定约束下的优化槽型参数。
2.
Based on the study of the influence of insert’s groove configuration on chip-restricting, the predicting models for chip-restricting and chip-breaking are established, the method of forecasting chip-curling and chip-breaking is brought forward, and the experiments of chip-restricting and chip-breaking for turning inserts with three-dimensional complex groove are fulfilled.
在刀片槽型结构对切屑约束的影响研究基础上,建立了复杂槽型车刀片切屑约束与折断预报模型,提出了基于切屑约束的复杂槽型车刀片切屑卷曲与折断预报方法,并进行了三维复杂槽型车刀片切屑约束与折断的试验研究。
3.
Aiming at the structural characteristic of complex groove, by studying the chip restriction action of geometrical element which is composed of complex groove, the equation of chip restriction action point and the prediction formula of chip - curl directional angle are deduced and the prediction model of complex groove chip up -curl radius and side -curl radius are destablished.
针对复杂槽型的结构特点,通过对复杂槽型几何元素切屑约束作用的研究,推导出了 切屑约束作用点方程及切屑卷曲方向角预报公式,建立了复杂槽型切屑上向卷曲半径和横向卷曲 半径的预报模型,该模型为今后进行切屑折断预报和复杂槽型的设计与优选提供了理论指导。
补充资料:变断面型材挤压
变断面型材挤压
extrusion of variable cross section shapes
b ianduanmian xjngeai Jiya变断面型材挤压(extrusion of variable。rossseetion shapes)用挤压法生产断面变化的型材,有阶段变断面型材和逐渐变断面型材之分,主要用作结构材料,它们的挤压方法也有所不同。 阶段变断面型材的挤压方法有双位楔法和可拆卸模法两种: (1)双位楔法(图1)。在型材前端经第1模成形挤压后,松开压紧楔,后端部分用第2模挤压.氯篡嘟豁 图1双位楔法挤压阶段变断面型材 1一压紧楔;2一第1模;3一第2模 (2)可拆卸模法。可拆卸模由3~4个模块组成。首先将小断面的可拆卸模装在模支承中并移至桥压筒进行挤压。挤压完毕后,移开模支承,同时,将模子同型材和模支承脱开,换上可挤压大断面型材的可拆卸模,并将模支承再移至挤压筒进行挤压。 逐渐变断面型材的挤压方法有可移动模法和带锥度异形针法两种. (D可移动模法(图2)。在挤压过程中,活动模块借助于仿形尺的作用改变位置(上升或下降),从而逐渐改变模孔的形状和尺寸,挤出逐渐变断面型材。臀 图2可移动模法挤压逐渐变断面型材 1一不动模;2一活动模块;3一保护环;4一挤压筒;5一仿形尺 (2)带锥度异形针法。采用带有锥度的异形针和相应的异形模挤压。 (王祝堂)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条