查询词典 piston

A detailed three-dimensional solid model of the piston is established by means of Ansys 11.0 Workbench Environment, which is issued in March 2007. Using the third thermal boundary conditions, analysis of the three-dimensional piston, including temperature, displacement and thermal stress field are performed by means of thermal-structural coupling. Structural optimization is also accomplished and a new piston has been designed, which performance is getting improved.

本文在2007年3月发布的Ansys 11.0协同仿真环境中建立了详细的活塞三维实体模型，运用第三类热边界条件，结合热耦合分析方法完成了活塞的三维温度场，位移场及热应力场的仿真，在此基础上对活塞的结构优化进行了探索，并设计出一款性能得以改善的活塞，实现了真正意义上的仿真驱动产品设计。

Joint-seal Glue Injector is a small device which is used to inject the glue into the concrete joint with the pressure, adopting the glue-injection piston and spring structure design, without the glue bag, fixing the piston in the front the push rod, installing the high strength spring onto the push rod, after release the lock latch of the push rod, pushing the piston and the push rod forward with the tensile force of the high strength spring, so pressing all of the glue liquid from the glue-injection cylinder into the joint.

灌缝胶注胶器是一种对混凝土裂缝持压注胶的小型设备，采用注胶活塞和弹簧的灌缝胶注胶器结构的改进，舍去了胶囊，通过在推杆前端固定注胶活塞，在推杆上套置高强度弹簧，在松开推杆的锁扣后，利用高强度弹簧的张力，可推动注胶活塞连同推杆前移，将注胶筒内的胶液完全压出注入建筑结构的裂缝中，价格低廉，性价比高，操作方便，施工安全，清洗方便，可多次重复使用。

When the speed of piton changes from several positive meters per second to negative during short time , a huge transient impacting force acts on the piston. The force spreads in the piston with stress wave. Converging force will become at some sections, which can destroy the piston.

从风动冲击器的工作原理可以得知，风动冲击器的活塞在高压气流的推动下，反复冲击钻头，冲击时活塞的速度由向下的几米每秒在极短时间内反弹为向上的速度，因而对活塞产生一个极大的瞬时冲击力，该力以应力波的形式在活塞内传播，就会在活塞的某些断面产生应力集中，造成活塞的破坏。

The dual-piston valve comprises a valve housing having a pair of piston operation spaces defined therein and a pair of pistons disposed in the piston operation spaces of the valve housing such that the pistons can be vertically moved to open or close inner and outer outlet ports formed at a cylinder.

该双活塞阀包括：阀壳，其中限定有一对活塞运行空间；以及一对活塞，其设置在阀壳的活塞运行空间中，以使活塞能垂直移动以打开或关闭在气缸处形成的内出口和外出口。

Load increased on piston,unreasonable design of piston pin boss,unevenly distributed positive stress on pin hole,stress on inside upper area of pin hole much higher than that on outside,the quality problem in machining and assembly are main reasons of fracture of steel-topped aluminium-skirted piston skirt .

活塞承受的负荷不断提升，活塞销座设计不合理，销孔正应力分布不均匀，销孔内侧上方区域应力远高于外侧应力以及加工和装配中存在的质量问题是柴油机钢顶铝裙组合活塞裙部裂损的主要原因。

The project for passenger cars with engine piston aluminum alloy, alloy components through optimal design, rare earth - Modification of phosphorus salt air and bottom melting slabs, metal-cast aluminum piston at the end of riser feeding process, heat treatment process parameters of choice , Nano-Detroit surface coating materials, such as key technology research and development with a density of small, light weight, thermal conductivity, and coefficient of thermal expansion of small, high temperature and have sufficient strength, wear and corrosion resistance , Aluminum piston size and good stability, its integrated technical indicators have reached the leading domestic level.

项目介绍（简介、技术特点、应用范围、市场前景、效益分析及对投资者要求。500字以内）本项目针对乘用车发动机用铝合金活塞，通过合金成分优化设计、稀土－磷盐复合变质处理与炉底透气砖熔炼技术、铝活塞金属型铸造底冒口补缩工艺、热处理工艺参数的选择、纳米级活塞表面涂层材料等关键技术的研究，开发出具有密度小、质量轻、热传导性好、热膨胀系数小，并具有足够的高温强度、耐磨和耐蚀性能、尺寸稳定性好的铝合金活塞，其综合技术指标达到国内领先水平。

As a company assembling best quality of cylinder liner, piston, piston ring and piston pin, Zhengda Industrial believes that best quality products are derived from modernized management. We adopted ISO 9001,2000 quality management system to direct our producing so that we could minimize the difference and waste in assembling.

作为一个选装最优品质四配套产品的企业，中桓经贸确信优质的产品来自于现代化的管理，为此我们采用ISO9001：2000质量管理体系指导生产，使我们尽可能的减少选装过程中的变差和浪费，并使最终客户获得最大利益。

As a company assembling best quality of cylinder liner, piston, piston ring and piston pin, Zhengda Industrial believes that best quality products are derived from modernized management. We adopted ISO 9001,2000 quality management system to direct our producing so that we could minimize the difference and waste in assembling.

作为一个选装最优品质四配套产品的企业，正大实业确信优质的产品来自于现代化的管理，为此我们采用ISO9001：2000质量管理体系指导生产，使我们尽可能的减少选装过程中的变差和浪费，并使最终客户获得最大利益。

It is specialized in manufacturing piston ring ,piston ,piston pin and cylinder liner of engines used for minicar ,car ,motorcycle and vehicle of light, medium and heavy duty .

公司为轿车、微型车、摩托车和轻、中、重型卡车等各类发动机活塞环、活塞、活塞销、缸套四大类产品的专业制造企业，产品种类、规格达1000多种，年产值2.5亿元。

This company is specialized in the production of ANKANG piston ring,piston,piston pin and bush series used for various imported and homemade benzene engine ,farm truck ,motorcycle , air compressor ,ship and internal-combustion engine of engineering machinery.

公司十年来一直以出口为主，现有员工300余人，技术人员20余人，专业生产&安康&牌各种进口，国产汽油机车、农用车、摩托车、空压机、船用及工程机械内燃机的活塞环、活塞、活塞销、轴瓦等系列产品。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。