机械工程

In order to design the rod string and analyze failure mechanism,the dynamics analysis on rod string of surface driving screw pump must be conducted.

1· 大庆石油学院机械科学与工程学院黑龙江大庆 163318；2·大庆油田有限责任公司黑龙江大庆 163113

The company has first-class production equipment and supporting system for the import of professional high-precision automatic machinery, the production of a professional technical team and experienced engineering and maintenance staff, with many famous enterprises at home and abroad to establish a good, long-term strategic partnership relations, product line also popular with professionals certainly

公司拥有一流的生产车间设备，并配套系统的进口高精密度全自动专业机械，以专业的生产技术团队及经验丰富的工程维护人员，与国内外众多知名企业建立良好的、长期的战略合作伙伴关系，产品也深受行内专业人士的肯定

Products are widely used in automobiles, motorcycles, air conditioners, air compressors, hydraulic engineering machinery, such as the sliding friction vice for connecting rod, rocker arm, steering knuckle, transmission gears, the fuel tank, frame and so round.

产品广泛用于汽车，摩托车，空调，空压机，液压工程机械等滑动磨擦副上，适用于连杆，摇臂，转向节，变速箱齿轮，油缸，支架轮等。

Product quality, performance has reached the level of similar products at home and abroad, the product is widely used in aircraft, automobiles, steam turbine and agriculture, engineering, chemicals, pharmaceuticals, textiles, appliances, transport and other mechanical systems can also be in high-temperature, low temperature, vacuum, fear of pollution to work under special circumstances.

产品质量，性能已达到国内外同类产品水平，产品广泛应用于飞机、汽车、汽轮机和农业、工程、化工、医药、纺织、起重、运输等机械系统中，也可以在高温、低温、真空、怕污染的特殊环境下工作。

Produces each kind of specification to shift gears the flexible axle, changes speed the flexible axle, the flexible axle controller, the controller unit, the hydraulic pressure drill tubing, the petroleum pipe line, the high-pressure oil pipe, checks the cotton thread, shifts gears the line, in the flexible axle the core, the steel wire, in executes the blockade to use the steel wire, the steel cable to lock steam Morocco and the engineering machinery spare part and the fitting and so on core steel wire, according to customer concrete demand and request processing and production!

生产各种规格换挡软轴，变速软轴，软轴控制器，控制器总成，液压油管，输油管，高压油管，刹车线，换档线，软轴内芯，钢丝绳，施封锁用钢丝绳，钢缆锁内芯钢丝绳等汽摩和工程机械零部件和配件，按客户具体需求和要求加工和生产！

As a basic part of gearing machine, spur gears are widely used in the domain of engineering.

齿轮作为机械传动机构的基本零件之一，在工程领域方面有着非常广泛的应用。

Our company was founded in the 1970s and early 2000 for the restructuring of private enterprises, the Company has machinery manufacturing, production and processing a long history, the factory covers 40,000 square meters, of which the production, storage, office space 26,000 square meters, has a staff Nearly 500, including engineering and technical staff of 70 people (three professors, six were in Engineering, college education 82), the four companies under the Ministry: the Ministry of Health technical, marketing department, QC, enterprises and the Ministry of Finance Three plants (spline shaft, hydraulic suspension, the crankshaft casting process).

我公司始建于二十世纪七十年代，2000年初改制为民营企业，本公司有着机械制造、生产加工悠久的历史，厂区占地40000㎡，其中生产、仓储、办公用房26000㎡，拥有员工近500名，其中工程技术人员70人（教授级3人、高工6人、大专以上学历82人），公司下设四大部：生技部、营销部、质检部、企财部和三个分厂（花键轴类、液压悬挂、曲轴铸造金加工）。

The main products are: ATV and accessories; for motor vehicles and construction machinery used in matching gear, flange, spline shaft; gear reducer; machine pumps; forklift truck accessories.

主要产品有：沙滩车及配件；为汽车及工程机械配套用的齿轮、法兰、花键轴等；齿轮减速机；机油泵；叉车配件。

To obtain both construction security and the feasibility in tunnel engineering, and to understand the contact mechanism in these complex cutting cases, this numerical approach simplifies normal wedge cutter indented into intact rock for simulating the process of fragmentation using a two-dimensional tool of distinct element method, so-named PFC2D.

故本研究以分离元素法之二维数值软体PFC2D为本；进行模拟楔形刃口正向贯入岩材之接触破坏行为，以数值耦合（PFC2D＆FLAC）之方式，先就单压及巴西试验作校验，再应用於贯切破坏之模拟，并比对贯切行为之理论模式与相关实验数据，俾能提供隧道工程与地下管道机械开挖之安全性与施工效率探讨之佐证。

Our main products are precision die cutting machines,Multilayer Laminating machine,High-precision sheet cutter machine,Silk screen printing Machine,Label letterpress machine,UV drying machine,plate making machine,slitting machine,etc.

公司拥有一批高素质的工程技术和专业印刷技术人才，不断结合日本、台湾同类机械的优点，自主研发、生产各种规格的精密高速模切机、全自动丝网印刷机、商标印刷机、多层贴合机、UV干燥机、制版机、品检机以及分条机等。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。