加工余量

本文研究了TF型内处理剂对提高高合金钢辊管类离心铸件内在质量、减少铸造缺陷和内孔加工余量的应用效果，并探讨了它的作用机理。

Abstract The effect of TF in mold treatment agent on the improvement of casting quality and reduction of the casting defects and inner hole machining allowance for high alloy steel rollers and tubes in centrifugal casting has been investigated , its effect mechanism is also discussed in this paper .

一种确定复杂轮廓曲线精加工余量的方法

Method of Confirming Finish Machining Allowance of Complex Contour Curve

在CAM系统中刀具半径、刀具半径补偿、加工余量之间的关系是非常密切和灵活的。

In the CAM system , the cutting tool radius , the cutting tool radius compensation and the processing remainder remain extremely close and flexible .

从盘式刹车片CAPP系统应用的实际需要出发，建立了CAPP系统数据库，包括工艺规程数据库、加工余量选择数据库、设备选择数据库等。

, Ltd. in view of the practical needs of its CAPP which includes craft rules database , process remaining choice database , equipment tool choice database and so on .

此外文章还介绍了基于XML技术的表示方法，并通过相应的算法实现了工艺规程的编制，加工余量的获取及刀具的选择，从而使工艺数据过程最终得以实现。

It also emphatically introduces the indicating way of generative pattern and craft planning data , and realizes the adjustment of craft rules through relevant calculation and the choice of machine tool , which consequently leads to the complete of process planning .

在离心铸管工艺中，用加大型筒壁厚、减小档板内孔直径、选大的重力加速度g值、增加内孔加工余量等措施铸造出主管道样件。

Measures by enlarging the wall thickness of shell , decreasing inside diameter of the baffle , selecting greater g value and increasing machining allowances of internal surface , etc , in centrifugal casting process , sample of primary piping are casted .

针对我国大型曲轴锻造中存在的精度低、加工余量大等问题，采用3维刚塑性有限元法模拟了曲轴RR法镦锻成形过程。

In accordance with low precision and more remainder material in domestic forging of heavy crankshafts , the simulation for the RR upsetting process of crankshaft is carried out by 3D rigid-plastic FEM .

利用UGCAD/CAM曲面造型的优势和辅助制造的功能，对检具进行三维设计，提高了设计效率，保证了检具曲面段毛坯的铸造精度，减少了加工余量。

With the advantage in complex face and aided manufacturing , designing and manufacturing of the checking tools took advantage of UG CAD / CAM adequately . Not only advance the precision of checking tools face , but also shorten the production cycle and decrease the manufacturing workload .

针对传统外圆磨削工件加工余量小、工件容易烧伤和加工效率低等缺点，论文提出了一种高效磨削方法&碗形CBN砂轮端面深切磨削。

According to the defects of low machining allowance and efficiency of traditional external circular grinding , a new high efficiency grinding method has been proposed that is deep grinding with CBN bowl-shaped wheel . Research have been conducted from grinding mechanism , simulation , grinding process and experiments .

关于数控切割中加工余量的分析

The Analysis into Margin of Cutting with Numerical Control Machine

摩托车气缸头气门导套孔加工余量的控制

Control of Machining Allowance for Cylinder Head Valve Guide Bush

汽轮机叶片毛坯形式的选取及其加工余量的确定

Selecting the Stock of Turbine Blade and Determining the Allowance for Machining

论皮革服装加工余量的科学选定

The Scientific Choice of Seam Allowance in The Leather Wear

分析计算法确定活塞销加工余量

Machining Tolerance of Piston Pin End Surface by Analysis and Calculation Method

重点介绍加工余量的计算机算法。

This paper puts its emphasis on introducing the computer calculation of allowance .

熔模铸件加工余量分析及铸件尺寸的确定

Analysis of Allowance and Dimensional Determination of Investment Casting

钢毛坯铸件。一般公差及加工余量。不适用于新设计。

Rough steel castings-General tolerances , machining allowances ; inactive for new design .

GB/T8545-1987铝及铝合金模锻件的尺寸偏差及加工余量

Die forgings of aluminium and aluminium alloy & Dimensional tolerance and machining allowance

加工余量是肯定要留的，慎思与谦和，凡事做好万全准备。

Think carefully and humble , and they do a good job well prepared .

大型复杂曲面零件加工余量均布优化问题研究

Optimization of allowance distribution on the workpieces with large sculptured surfaces in NC machining

铸件机械加工余量及尺寸公差快速确定方法的研究

Research on the Rapid Determining Method for Roughcast Allowance and Tolerance Automatic determination of machining allowance

型槽部分的尺寸只考虑钢水的收缩率，而不用留加工余量；

The notch dimension is determined only by the shrinkage rate of the steel liquid , no machining provision reserved .

分析了无加工余量的三通阀体铸件的结构特点，介绍了将此模片整体成型的消失模发泡模具的设计要点。

The key points of designing the lost foam mould for non-machining cross valve were described based on its structure characteristics .

前刀面热损伤层的定量分析，可以为随动磨削的加工余量提供理论依据。

The analysis of thermal damage layer for the rake face can provide theoretical guidances for confirming the machining allowance of surface grinding .

详细论述了汽轮机叶片各种毛坯形式的选择原则及毛坯机械加工余量的确定。

The paper discusses in detail the principle of selecting the stock of turbine blade and determining the allowance for machining the stock .

该算法以细分后的控制网格与极限曲面之间的最小距离和粗加工余量作比较，确定均匀细分次数。

By comparing the least distance between subdivided control mesh and limit surface with rough machining allowance , the uniform subdivision depth was determined .

焊件必须保证几何尺寸，变形在允许范围之内，有足够的加工余量。

For the weldment , its deformation should be controlled within tolerances , and its geometrical dimensions should be sufficient to allow further machining .

针对复杂曲面类零件加工余量分析过程中的测量数据匹配问题，提出通过初始匹配和精确匹配来实现曲面测量数据的最佳匹配。

An optimization method was presented for best-fitting of measurement point cloud to the complex surfaces , which consists of rough matching and accurate matching .

为了提高设计质量，保证工艺文件的一致性、规范性，开发了锻件机械加工余量公差查询辅助功能。

In order to improve the quality of designing and guaranty the craft paper conformity , the assistant module of machining allowance auto-inquiry is developed .

铸件与模具表面接触紧密因而表面质量好、精度高、机械加工余量小。

Because of the close contact between casting and die , the casting has the fine facial quality , considerable accuracy and few mechanical processing remnant .