液压模

The importance of starlike inner race no-flash die forging process of automobile constant velocity universal joint is introduced.

介绍轿车等速万向节星形套闭塞模锻工艺的必要性，通过数值模拟方法研究该工艺过程，研制出了可生产应用的闭塞模锻液压模架，并进行了工艺试验，研究结果对汽车关键零部件闭塞模锻工艺选择和模具设计提供了技术指导。

To overcome the shortcomings of steam driven hammer ,such as energy wasting and serious vibration, the new type program controlled hydraulic hammer s are developed.

针对蒸—空模锻锤存在的浪费能源、振动噪音大等缺点，开发了用于蒸—空模锻锤更新换代的新型程控液压模锻锤。

Develop a floating complete mould, the overall style isostatic punch and a series of new products.

开发出浮动总成、整体胶垫式液压模芯一系列的新产品。

By analyzing and contrasting, this mathematical model has been confirmed to be used in the blowing energy data controls of the hydraulic pressure die forging hammer, which offers basis for the procedure controls of the hydraulic pressure die forging hammer.

通过分析对比，确定了这一数学模型可以用于液压模锻锤打击能量的数据控制，为液压模锻锤的程序控制提供了依据。

On the basis of setting up mathematical model on blowing energy of 50KJ hydraulic die forging hammer, through simulation analysis, the relation curve of the blowing route and the blowing energy have been attained under the certainly filled atmospheric pressure and the height of loaded die, and the calculation result of simulation has been validated by experiment.

新闻摘要：在建立了50kJ液压模锻锤打击能量的数学模型的基础上，经过仿真分析，得出了在一定充气压力及装模高度下的打击行程与打击能量的关系曲线，并对仿真计算结果进行了实验验证。

Formerly Anyang Forging Equipment Factory was established in 1956, is the country's fixed-point production forging hammer manufacturers, science and technology enterprises in Henan Province, Henan Province Association forging units and executive director of the China Association for forging unit Enterprise covers an area of 83 mu, with total assets of 100,000,006 yuan Bai°°, the company has a small and medium-sized pieces of machining, large machining, riveting forging, into equipment, machine repair plant and a total of five in the former Ministry of Machinery three types of planning within the Institute of forging hammer, air hammer country standards drafted by the Anyang Forging companies, enterprises, through the ISO9001 certification, air hammer, riveting machine two products were the only company in Henan Province mechanical products designed to protect the country issued BrandName the "register marks of origin", enterprise products have series of air hammer, electric-hydraulic hammer machine, electric-hydraulic hammer head, CNC Fully Hydraulic Die Forging Hammer, forging manipulator, closed single-point presses, many automatic forging press workers, metal shavings Press, metal balers, precision bar cutting machine, large forging presses, shearing machine, bending machine, such as 13 series, 56 specifications of products, which air hammer, riveting machines have won the "ú" and "provincial excellent" designation, the product best-selling domestic and exported to the United States, Britain, Germany, India, Pakistan, Vietnam, North Korea, the world's more than 50 countries and regions.

安阳锻压机械工业有限公司成立于1956年，是国家生产锻锤的定点生产厂家，河南省科技型企业、河南省锻造协会副会长单位和中国锻协常务理事单位，企业占地面积八十三亩，资产总额一亿零六佰捌拾万元，公司设有中小件机加工、大件加工、铆锻、成装、机修共五个分厂和一个在原机械部规划内的三类锻锤研究所，国家空气锤标准由安阳锻压公司起草，企业通过了ISO9001认证，空气锤、铆接机两种产品获河南省机械产品唯一一家国家颁发的旨在保护名优产品的&原产地标记注册&，企业生产的产品有系列空气锤、电液锤整机、电液锤动力头、数控全液压模锻锤、锻造操作机、闭式单点压力机、多工位自动锻造压力机、金属屑压块机、金属打包机、棒料精密剪断机、大型热锻压力机、剪板机、折弯机等十三个系列，五十六个规格产品，其中空气锤、铆接机曾分获&国优&和&省优&称号，产品畅销国内，远销美国、英国、德国、印度、巴基斯坦、越南、朝鲜等世界五十多个国家和地区。

On the basis of introducing principle and typical equipments of hydro-forming deep drawing, the HDD has been divided into five typical kinds as follows: hydro-forming deep drawing without punch, deep drawing with fluid assisted blank-holder, deep drawing with hydraulic counter pressure, hydro-mechanical deep drawing, and internal high-pressure deep drawing.

在阐述板料液压拉深方法原理和分析国内外板料液压拉深典型装置的基础上，将板料液压拉深方法分为液压软凸模拉深、液压辅助压边拉深、对冲液压拉深、液压－机械拉深和内高压拉深等5种。

The opposite hydraulic pressure tension is a sheet forming method,using the reverse hydraulic pressure established during the raised mold and sheet enters the concave mold.

对向液压拉深是在凹模兼液压室的型腔内充满液体，利用凸模带动板料进入凹模后建立的反向液压而使板料成形的方法。

Currently Kong Qichui, hydraulic riveting machines, metal shavings Press, metal Da Baoji, forging hydraulic hammers used for steaming Kong Qichui head of the hydraulic power, closed a single point of presses, open-presses, More reactive auto forging presses, NC Jianban, bending machines, general Jianban, bending machines, rotary forging riveting machines, bar precision cutting machine, open-book-school and other varieties of products, but also for Automobiles, bicycles, the bearings industry design, manufacturing production lines, has become the domestic Kong Qichui, hydraulic forging hammer, hydraulic riveting machine, forging equipment bearing the production, export base.

目前拥有空气锤、液压铆接机、金属屑压块机、金属打包机、液压模锻锤、用于蒸空气锤改造的液压动力头、闭式单点压力机、开式压力机、多功位自动锻造压力机、数控剪板、折弯机，普通剪板、折弯机，摆辗铆接机、棒料精密剪断机、开卷校平机等多个品种的产品，还可为汽车、自行车、轴承行业设计、制造生产流水线，已形成国内空气锤、液压模锻锤、液压铆接机、轴承锻造设备的生产、出口基地。

Currently Kong Qichui, forging hydraulic hammers used for steaming Kong Qichui head of the hydraulic power, hydraulic riveting machines, presses, Bar-precision cut, multi-automatic forging presses, metal shavings Press Detroit sold cold extrusion machines, cutting plate machine, sheet metal bending machines, cutting sheet metal folding dual-use machine, decay resistance pumps, vacuum pumps, ball mill, pressure-ball machine, broken machines, vibration, grinding, and so on more than 20 series 50 Varieties of products, but also for the cars, bicycles, the bearings industry design, manufacturing production lines, has become the domestic Kong Qichui, hydraulic forging hammer, hydraulic riveting machine, forging equipment bearing the production, export base.

目前拥有空气锤、液压模锻锤、用于蒸空气锤改造的液压动力头、液压铆接机、压力机、棒料精密剪断机、多工位自动锻造压力机、金属屑压块机、活塞销冷挤压机、剪板机、板料折弯机、板料剪折两用机、耐腐泵、真空泵、球磨机、压球机、破碎机、震动磨、等20多个系列50多个品种的产品，还可为汽车、自行车、轴承行业设计、制造生产流水线、已形成国内空气锤、液压模锻锤、液压铆接机、轴承锻造设备的生产、出口基地。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。