矩形件排样问题，是二维下料问题的一个分支。
The rectangular cutting problem is a branch of the two-dimensional cutting problems.
此结果适合应用于大批量、多种类的矩形件优化样。
It is used in the layout of a great quantities and many kinds of rectangular parts.
从复合材料排样的需求出发，研究了矩形件排样问题。
To meet the demand of composite packing, the research development of rectangular pieces packing problems is reviewed.
此模型可对平辊轧制矩形件产生的脱方量进行定量计算。
It may make quantitive account of skew ratio from plain roller rolling square bar.
矩形件优化排料是一类具有NP完全难度的组合优化问题。
The optimal layout for rectangular part is a NP-complete combinatorial optimization problem.
介绍了一种使用蚁群算法求解矩形件优化排料问题的新方法。
The paper presents a new optimal layout for rectangular part method using ant colony system algorithm.
提出了一种基于离散粒子群优化算法求解矩形件排样问题的方法。
A discrete particle swarm algorithm for the rectangular strip packing problem is presented.
论文利用遗传算法结合剩余矩形排样法求解矩形件正交排样问题。
The mate algorithm of surplus rectangle was applied in the optimal nesting for the irregular parts of ships.
在工业应用领域中存在大量的二维下料问题，其中应用最多的是矩形件下料问题。
Rectangular stock cutting is the most applied problem in two-dimensional stock cutting problems which are widely existed in industrial application field.
因此，开展对二维矩形件优化排样问题的研究具有重要的理论意义和工程应用价值。
Therefore, research on the problem of two-dimensional optimal layout for rectangular parts is very important in theory and applications.
采用数值模拟和实验相结合的方法研究了AZ31镁合金板料分块压边力拉深矩形件的过程。
The deep drawing process of AZ31 magnesium alloy rectangular parts was researched by numerical simulation and experiments.
基于一维问题的蚂蚁算法，本文将二维矩形件排样问题转化为一维背包问题，然后进行求解。
Two-dimensional stock cutting problem can be settled by solving two one-dimensional knapsack problems, this paper presents a new algorithm based on the ant colony optimization idea.
介绍了分区变压边力矩形件成形系统的组成以及各部分的原理结构，分析了各部分的工作过程。
The composition of rectangular box deep drawing system of divided variable blank holder force (VBHF) was discussed, its principle and work process of each portion were analyzed.
模拟结果表明，变压边力控制技术可以显著地改善矩形件的成形性能，增加矩形件的拉深极限。
The numerical simulation result indicates that the variable blank-holder force can improve the formability of box deep drawing.
对“一刀切”矩形件排样问题，提出一种将启发式递归与免疫克隆算法相结合的混合优化方法。
An optimal task scheduling model and an algorithm were brought forward, which combined the advantages of immune clonal algorithm and simulated annealing.
同时，其切割范围也受到限制，一般仅限于切割规则的矩形件和一维的型材和棒材等，不能切割异形件。
At the same time, its scope of cutting also restricted, generally limited to cut rules and one dimensional rectangular pieces of profiles and rod, can not cutting profiled.
针对矩形件排样优化问题，分析了传统近似算法的主要缺陷，在此基础上，提出一种新的排样算法——贪婪算法。
To resolve the rectangular cutting stock problem, this paper proposes a new greedy algorithm, based on analyzing the main disadvantage of the traditional approximate algorithm.
在研究矩形件优化排样数学模型的基础上，根据不同的下料的工艺要求，构造出与之相适应的四种不同的近似优化算法。
Based on researching mathematical model for optimal layout of rectangular piece, the paper constructs four optimal layout algorithms according to different processing technology conditions.
变压边力数值模拟试验结果表明，采用变压边力控制矩形件拉深成形过程时，变压边力对矩形件拉深成形特性影响显著。
The simulation test results obviously showed that VBHF had great effects to drawing formability of hot-galvanized sheet steel during the rectangular box drawing.
根据零件之间的尺寸和形状差异性，利用位置、面积、圆形度和矩形度等特征参数对它们进行识别和定位。
According to the difference of dimension and shape of parts, the dissertation identifies and orients them by position, area, circularity, and rectangularity.
对不规则件的处理基本上是基于规则零件排样处理的矩形近似方法和对不规则零件直接处理两种方法。
One method about irregular shapes is approximately rectangle solution method based on regular shapes packing, the other method is to deal with the irregular shapes directly.
基于环件轧制理论和实践经验，提出了矩形截面环件和外台阶截面环件的毛坯设计新方法，给出了具体的毛坯设计方案。
The blank design method for ring with rectangle cross section is derived based on the ring rolling theory and practical experience.
本算法适合应用于大批量、多种类的矩形零件在定宽无限长板材上的优化排样，获得了较好的优化排样方案；
This algorithm is suitable for optimized layout of rectangle parts with large amounts and many kinds and better optimized layout is got.
通过实例从零件的变形理论分析、防变形工艺方法等角度出发研究了薄壁矩形深腔体零件的数控加工工艺。
By means of illustration, from the view of parts distortion theory analysis, distortion prevention, researches the numeric processing technic of thin-wall rectangular deep recessed parts.
文中通过实例从零件的变形理论分析、防变形工艺方法等角度出发研究了薄壁矩形深腔体零件的数控加工工艺。
By means of illustration, from the view of parts distortion theory analysis, distortion prevention, this paper researches the numeric processing technic of thin-wall rectangular deep recessed parts.
矩形花键轴是汽车传动的重要零件，矩形花键的无约束正挤压成形是一种先进的花键加工方法。
It's the key to analyze the forming feasibility, find out the way to calculate the forming force, select the suitable process parameter in open-die cold extrusion of rectangle spline.
矩形花键轴是汽车传动的重要零件，矩形花键的无约束正挤压成形是一种先进的花键加工方法。
It's the key to analyze the forming feasibility, find out the way to calculate the forming force, select the suitable process parameter in open-die cold extrusion of rectangle spline.
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