镦粗

研究开发成功的SQ系列高强度绳索取心钻杆首次采用了薄壁钻杆内镦粗技术。

Inner upsetting technology for thin wall drilling pipes was used in Series SQ high strength wire line drilling pipes .

结果发现，机械合金化过程是一个反复的变形、冷焊、镦粗、断裂过程，Ti-Al混合粉末经过强烈的机械球磨，晶体的结构、形貌发生很大的变化。

It was found that mechanical alloying is a process of repeated deformation , cold welding , upsetting , fracture process , The crystal structure and morphology of Ti-Al mixed powders changed a lot by strong mechanical milling .

管段镦粗及压尖机PLC在格栅清污机中的应用

UPSETTING AND POINTING MACHINE FOR TUBULAR PRODUCTS The Application in Grid Decontaminating Apparatus Press

圆柱体（H／D＞1）镦粗时应力场计算的力学分块法

Mechanical slab method of the stress field calculation for a cylinder ( h / d > 1 ) being upset

通过与ANSYS软件关于圆柱镦粗成形模拟结果的比较，验证了开发系统的正确性。

At last , the developed user element is verified with the ANSYS element by comparing the simulations of the upsetting of cylinder .

特别是采用了SA级的镦粗直螺纹钢筋接头，大大简化了梁柱接头的构造，并且方便了施工。

Especially , using the straight thread splices with upset ends ( SA class ) simplified greatly the construction of column beam joint .

介绍了高频焊接H型钢的优点、生产工艺及主要设备，并分析了原料、镦粗、挤压、微张力、冷却等工艺过程对H型钢质量的影响。

The advantages , processing and main production equipment of high-frequency welded H-beam were introduced . The influence of processes on H-beam quality , such as material , forging reduction , extrusion pressing , micro-tension and cooling , were analyzed .

Cr-Cu触头粉末包套镦粗变形致密化的工艺研究

Study of the Densification Process of Canned Cr-Cu Powders Deformation

下位机采用DOS实时操作系统，主要负责实时的采样各传感器的信号、控制镦粗速度、压力及加热电流等工艺参数；

The lower level one uses the DOS OS , which is designed to sampling the sensors and control the speed , pressure , and heating current for the electrical upsetting process .

并用塑性成形模拟软件Deform3D对拉伸成形和镦粗成形进行了数值模拟，证明了该工艺的可行性。该成形工艺可极大地降低能耗，提高生产效益。

Deform-3D plastic molding simulation software was adopted to numerically simulate the course of stretch forming and forging reduction forming , finding that the process was feasible and capable of greatly decreasing the energy consumption and improving the production performance .

本文依据超塑性变形的Backofen方程和连续体的平衡微分方程，对超塑性镦粗和挤压进行了分析研究，得出了变形力的计算公式；

The superplastic upsetting and extrusion is studied in this paper .

利用Deform应用软件，从损伤和流线两个方面对有表面划痕的AISI-1008钢柱形坯料进行镦粗数值模拟分析。

Using Deform application software , from the two facets of damage and streamline , simulated analysis of AISI-1008 steel cylinder billet upsetting deformation data with scratch marks is done .

本文通过镦粗压缩试验，发现AZ61A镁合金在室温下镦粗压缩时塑性很差，在300℃的加热温度下塑性很好。

In the paper , AZ61A magnesium alloy was turned up a better plasticity at300 ℃ and worse plasticity under the room temperature through the upsetting compression experiment .

对材料为AL6061的粉末烧结体坯料在不同条件下镦粗成形过程进行热力耦合模拟，得到成形过程中的变形、温度以及相对密度的分布状况。

Free upsetting process was selected to investigate the deformation behavior of the sintered powder metal of Al 6061.Through the numerical simulation , the distributions of strain , density and temperature are investigated under the different working conditions .

无拉应力凹形坯料镦粗时几何参数的解析确定

Analytic Determination of the Geometric Parameter for Upsetting a Concave Plank

45~钢锻件热镦粗过程晶粒尺寸模拟

Grain size simulation of 45 ~ # steel forging during upsetting

厚壁管双向扩口镦粗的新工艺

New Process of Expanding and Upsetting in the Thick Wall Tube

提高自由镦粗变形均匀性的措施及模拟分析

Methods and Simulation Analysis of Improving Deformation Uniformity of Upsetting Process

金属自由镦粗的实验研究四磺酸基酞菁在溶液中的聚合平衡

Study on the Aggregation of Metal - free Tetrasulfophthalocyanine in Solutions

采用非局部摩擦定律处理平面镦粗问题及其近似解

A approximate solution method for 2-dimensional upsetting problem with nonlocal friction

长颈法兰类件法兰部位镦粗变形的有限元数值分析

FE Simulation and Analysis for Upsetting Flange Zone of Flange-cylinder Process

圆环在平板间镦粗变形规律的数值模拟

Numerical Simulation of the Ring Upsetting Distortion Rule Between Two Plates

平砧镦粗中裂纹的成因及防治办法

The Cause of Crack in Smooth Anvil Upsetting and Its prevention

大型锻件镦粗工艺理论的研究

The Research of the Upsetting Process Theory for the Heavy Forgings

发动机气门电热镦粗工艺参数分析与计算

Analysis and calculation of parameters in electrical upsetting process for engine valves

钢筋镦粗直螺纹套筒连接施工要点分析

Analysis on construction essentials of connecting reinforced upsetting straight-thread sleeve

钢筋镦粗直螺纹连接技术的应用

Application of Punching Straight Thread Steel Bar 's Connecting Technique

用锥形板镦粗的新工艺及其力学原理

New technology of cone platen upsetting and its mechanical principle

尺寸效应对黄铜镦粗微成形影响规律的研究

Research on the Law of Influence of Size-effect on Brass Upsetting Micro-forming

钼粉末多孔体烧结材料的制备及镦粗致密实验研究

Experimental Study on Densification of Mo Sintered Powder Upsetting and Its Preparation