尺寸精度

浮动镗刀偏心距对被加工孔尺寸精度的影响

Influence of the Offset Riding Boring Cutter upon the Dimensional Accuracy of Bored Hole

采用特种砂V法铸造工艺获得了良好表面精度和尺寸精度的铸造模具。

The fine surface quality and dimensional accuracy cast hot work die was obtained by special sand V method casting technique .

介绍了以AutoCAD为平台开发的尺寸精度查询及标注系统。

The inquiry and dimensioning system of size precision was introduced , which was developed in AutoCAD platform .

RT工艺凝固过程中铸件尺寸精度的热力耦合分析

Coupled Thermo-Mechanical Analysis of the Dimensional Accuracy for the Solidification Process of Casting for Rapid Tooling

随着H型钢在我国的应用和生产的发展，用户对产品规格的需求越来越多，对产品形状和尺寸精度要求日益严格。

With the development of production and application of H-beam in our country , increasing requirements are raised on product specification variety and close tolerance of shape and dimensions .

SU-8胶紫外光刻的尺寸精度研究

Study on dimensional precision of UV-lithography on SU-8 photoresist

本文按照法国钢轨供货技术要求EN标准要求，重点对钢轨断面尺寸精度、力学性能和金相检验等方面进行了分析研究。

According to the EN standard requirement , the rail section is analyzed from the dimensional accuracy , mechanical property , metallographic examination .

而对基于RP&M技术的RT精度及快速模具成型制品尺寸精度方面的整体研究较少。

But the comprehensive research of RT precision and the dimensional accuracy of rapid die molding products based on RP & M is less .

从而验证了超声处理对降低SU-8胶溶胀，提高电铸器件尺寸精度的可行性。

So , the feasibility of reducing SU-8 swelling and improving electroformed structure accuracy by ultrasonic is confirmed .

研究了衍射效应对SU-8胶紫外光刻尺寸精度的影响。

The impact of diffraction effect on the dimensional precision of UV-lithography based on SU-8 photoresist was investigated .

将通过神经网络预测控制结果与工艺实验结果进行了对比。实验证明用神经网络对CIM制品进行尺寸精度控制是可行的。

The comparison between the results from neural network and the experiments indicated that using neural network to predict and control the dimension of PIM products was reasonable .

简要介绍汽车车体尺寸精度控制的方法，即2mm工程。

This article presents the description of the method of maintain of precision dimensional tolerance on automobile bodies , i. e , the so called 2 mm engineering .

轿车车身制造尺寸精度的M-CII图分类方法

M-CII Control Chart Used for Classification of Geometrical Accuracy in Autobody Assembly Process

粉末注射成形技术（PIM）可以以低成本的优势制备超细硬质合金制品，制品尺寸精度高、形状复杂程度高，因此获得了越来越多研究者的关注。

Powder injection molding ( PIM ) can fabricate superfine cemented carbides at a low cost with high dimension accuracy and high shape sophisticates , therefore more and more attention is focused on this technique .

本文叙述了一种在加工中心上对高精度孔（尺寸精度IT7以上）进行试切、测量的通用程序。

A kind of general program used in machining center to cut and measure high accurate hole above IT7 was introduced .

结果表明，使用快速加工技术，聚氨酯制品加工周期约为30h，总体加工成本低，制品尺寸精度符合设计要求。

The experimental result indicated that the rapid product processing cycle was about 30 h , all the cost was low and the product 's dimensional precision met the design requirements .

利用CAK6150P数控车床加工主轴颈当口、肩台、轴向尺寸精度较高的曲轴。

Process main , journal mouth , shoulder platform and crankshaft whose axial size needs more precision using the lathe of numerical control & CAK6150P .

介绍了用二辊或三辊轧机试轧φ57～76mm小直径热轧荒管的工艺参数、轧辊和芯棒的力能参数、荒管的表面质量及几何尺寸精度等。

The article gives a description to the process parameters , roll and mandrel performance parameters , surface quality and dimensional accuracy of 57mm ~ 76mm small-diameter pipes hot-rolled on two-roll tube mill or on three-roll tube mill .

回弹制约冲压件的尺寸精度、模具设计、成本和生产效率，是金属塑性加工研究的热点和难点，普遍存在于板料成形中，同样存在于L截面型负的压弯过程中。

Springback constraints the dimensional accuracy , die design , the cost and the production efficiency , and it was one of the hot spots and difficulties in metal and plastic processing research . Springback is a universal phenomenon in sheet metal forming process as well as profile .

应用此陶瓷型铸造工艺浇铸的铸钢模具，尺寸精度达到国家标准CT3～4，表面粗糙度达Ra32，可用于实际生产。

The processes of producing cast steel dies by the ceramic mold method can be directly utilized in foundry workshop . The dimensional tolerances of the dies thus made can reach to China National Standard CT3 ~ 4 and the surface roughness to Ra 3.2 .

箱体孔系加工的座标尺寸精度和质量分析

Dimensional accuracy and quality analysis of machining holes on box-shaped workpieces

实物反求设计中尺寸精度的控制

Control of dimension accuracy in anti - processing design of objects

一个是型材的尺寸精度和表面质量。

The other is outside quality and dimension accuracy of profile .

摆动辗压成形件高度尺寸精度分析

Analysis on the height dimensional precision of rotary forging formed parts

浅议板带材生产中的尺寸精度

Discussion on size precision in production of sheets / strips semis

提高试样固体粉末装载率有利于提高制品密度和尺寸精度。

High powder loading would benefit dimension precision and shape retention ;

塑料制品尺寸精度和塑料模具尺寸精度的确定

Way to Determine the size Precision of plastic products and plastic Mould

注塑制品的变形影响产品的最终形状和尺寸精度。

The deflection of injection products influences final shape and dimensional precision .

采用呋喃树脂砂造型、造芯以保证尺寸精度；

Furan resin sand was used to guarantee dimension accuracy ;

自动化制造系统中工件尺寸精度检测新技术

New Technique of Workpiece Size Accuracy in Automatic Manufacturing System