缸盖

The results show that the surface quality of magnesium alloy die casting improved greatly with the increase of the velocity of high-speed injection stage in a cert.

针对汽车发动机缸盖罩盖零件，采用压力传感器，通过对铸件的表观质量进行评定及铸件密度和抗拉强度的测定，系统研究了镁合金压铸过程中快速充型速度和起速位置对型腔内压力变化和铸件质量的影响。

Based on the design and calculation methods for common tight joint bolt, which is subjected to the changing load, a design and calculation methods for flexible bolt is given.

在普通承受交变载荷紧螺栓连接设计计算方法的基础上，给出了采用柔性螺栓的设计计算方法和公式，并以某型柴油机气缸盖螺栓为例，进行了改用柔性缸盖螺栓的设计计算。

Companies using advanced CAD, CAM technology for design and manufacture complete sets of molds, using coordinate measuring stick instrument for domestic FAW, two gas, Yuchai, carvedilol trailers, Yunnan, Chengdu Engine Factory, Shenyang Mitsubishi, Tianjin Hyde and other large enterprises have been supporting the production of engine block, machine covers, exhaust pipes, pumps, axle housing, behind steering knuckle and Gravity Casting intake branch pipe, motorcycle cylinder head and a variety of die-casting mold.

公司采用先进的CAD、CAM技术进行成套模具的设计制造，用三座标仪进行扦测，为国内一汽、二汽、玉柴、洛拖、云南，成都发动机厂、沈阳三菱、天津海德等大型企业配套生产过发动机机体、机盖、排气支管、水泵、桥壳、落后转向节及重力铸造的进气支管，摩托车缸盖及多种压铸模具。

Production plant is built by Liwo machining centers, CNC horizontal boring and milling machines, CNC milling machine portfolio composed of "soft-shell parts production line": production block, cylinder head, gearbox, and other high technology content Shell exports of parts and vehicles and Liwo Liwo CNC machining centers, and other components of the "revolving line of processing": processing the internal combustion engine piston, cylinder differential top shell, shell reducer such as automobiles, engineering machinery, Agricultural machinery industry with high technical content in the rotating parts, as well as between the rotating shell parts and exports between the parts production.

现生产工厂已建由立卧加工中心、卧式数控镗铣床、数控组合铣床组成的&壳体类零件准柔性生产线&：生产缸体、缸盖、变速箱等各种技术含量高的壳体类出口零件；以及数控立卧车和立卧加工中心等组成的&回转体加工线&：加工内燃机活塞、缸头等差速器壳体、减速器壳体等汽车、工程机械、农机行业中技术含量高的回转体零件以及介于回转体和壳体类零件之间的出口零件生产。

The paper introduced the general scheme,the process plan and some key technics of NC trnsfer line for several kinds of cylinder head cam shaft cover s manufacture of car engine,some important parts were discussed in detail.

介绍了轿车发动机缸盖凸轮轴轴承盖多品种加工数控组合机床自动线的总体布局、工艺方案以及线上采用的关键技术，并对部分重要部件作了较详细的叙述。

Note that the rocker arm shaft supporting seat with upper oil hole is at front end of the rocker arm and this end should align with upper oil hole on cylinder head rocker arm shaft when assembling.

应注意，带上油孔的摇臂轴座是摇臂的前端，装配时应注意以这一端和缸盖摇臂轴上油孔对齐。

According to analysis the speciality of HR engine block and compare machine process from difference maker,this paper decides the technology specification of the machine line and give the machine process,it introduces how choose machine equipment specification and what new technology are used.

论文从分析产品特点和对比了不同厂家缸体生产工艺入手，确定了东风日产HR发动机缸体生产线的技术要求，制定了生产线的工艺流程，讨论了缸体生产线的设备选型及加工中采用的新技术，重点介绍了工艺缸盖的应用、托盘输送、二次真空加压含浸工艺，2D码管理技术及水性珩磨液应用技术。

When Carp vehicle fuel economy stick to the running car engine cooling system of water tanks (also called the "expansion of the pot"), after the car in a moving process, the engine heat and heat transfer to the cooling liquid, heating and cooling liquid Carp Festival Oil rods in the "Bioglass" play a role and have a lot of negative ions, with a lot of negative ion engine coolant along the cylinder piston and the cylinder head outer space waterways cycle, formed around the cylinder piston engine of the electromagnetic field.

当卡普汽车节油棒投放到汽车发动机冷却系统副水箱里后，汽车在行驶过程中，发动机发热并将热量传递给冷却液，受热的冷却液与卡普节油棒中的&Bioglass&发生作用并产生大量的负离子，充满大量负离子的冷却液沿着发动机活塞缸体和缸盖外壁的水道空间循环，形成环绕发动机活塞缸的电磁场。，发动机活塞缸中的混合燃料气体在这种电磁场作用下，形成阿萨卡瓦效应，燃烧增强、爆发力增大、燃烧效率提高，从而降低汽车燃料消耗、提高发动机动力、显著减少尾气排放。

In this paper several main abroad car-made plant's founding technology methods, such as pressure casting, full mold casting, green mold casting, Cosworth casting and so on,are introduced.

下面介绍世界若干主要的轿车制造厂所用的生产铝合金发动机缸体和缸盖的铸造技术。1 压力铸造压力铸造的优点是能生产尺寸精度高、表面

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。