活塞销

Basing on the pressure measured in the engine cylinder,the load of the piston pin is accounted.

然后根据实际负荷与油膜承载力的平衡关系，计算出动载荷下每一时刻的油膜厚度，从而确定活塞销轴心在连杆小头铜套中的运动轨迹。

Research and development of full automatic CNC special machine for boring piston pin hole.

全自动CNC镗削活塞销孔专机的研究开发。

Based on the EHL theory, the average flow model and the asperity contact theory, the study is presented for mixed lubrication of piston pin bearing.

基于弹流润滑理论、平均流量模型及微凸峰接触理论，对发动机活塞销轴承的混合润滑进行了研究。

The paper has discussed the surface machining of sintered iron-bronze connecting rod bushing in diesel engine and the problem of fitting with piston pin.

讨论了烧结铁－青铜柴油机连杆衬套的表面加工及与活塞销的配合问题。

I mower company specialized production of various parts: Mufflers, silencers shrouds, Wound-clips, crank me Cypriots, the startup disk spring, piston pin, drive-connecting Shaft, T25 wrenches, combination wrench, wrenches, copper networks, such as fixed-major axis.

我公司专业化生产割草机各种零件：消音器，消音器隔热罩，绕线器压板，曲柄箱塞，启动盘簧，活塞销，传动杆，连接轴，T25扳手，组合扳手，套筒扳手，铜网，固定杆长轴等。

Or wrist pin.

从活塞销。或"腕针"。

One kind of PCD boring tool and a fine adjustment boring bar,which are suitably used in precision finishing the surface of pinhole of combustion engine piston,are introduced.

介绍了一种适用于发动机活塞销孔表面精镗加工用聚晶金刚石镗刀和可微调刀具尺寸的精密微调镗杆，该镗刀和镗杆组合具有较高的加工精度和表面粗糙度精度以及调整方便、使用寿命长的特点。

Volute spring series win outstanding new products special awards in 2002 China General Machine Components Industry Association. Steyr valve inside and outside spring of engine, automobile suspension spring, die spring series won the excellent new products prizes. GW2.4S (4G6) valve spring of engine series won outstanding new products special awards in 2003 China General Machine Components Industry Association. Geely MR479Q valve spring of engine, power tool spring, high stress piston pin-spring flange series won excellent prizes meanwhile. Valve spring series won the excellent new products prizes in 2004 China General Machine Components Industry Association. Hydraulic pressure spring won excellent prizes meanwhile.

涡卷弹簧系列荣获2002年中国机械通用零部件行业优秀新产品特等奖；斯太尔发动机气门内、外弹簧、汽车用悬架弹簧、模具强力弹簧系列同时荣获新产品优秀奖；GW2.4S(4G6)气门弹簧系列荣获2003年中国机械通用零部件行业优秀新产品特等奖；吉利MR479Q气门弹簧、电动工具冲击弹簧、高应力活塞销档圈系列同时荣获优秀奖；阀门弹簧和液压弹簧分获2004年中国机械通用零部件工业协会优秀新产品特等奖和优秀奖。

The reeults show that piston pins and valve tappets hardened by laser proceesing have the advantage of good hardening quality,less deformation and low reject,and th...

结果表明：活塞销、气门挺柱经激光表面淬火后、硬化效果好、变形量小、成品率高，其寿命可提高4倍。

Develupmeet of powerful laser devices provides a better basis for surface treatment of automotive parts than ever,Automotive pistun pins and valve tappets made of steel 45# are hardened by laser with chcoen technological parameters,then mierostructure,hardness distribution; wear reeistance,defor-mation and service life are analysed and evaluated.

大功率激光器的发展，为汽车零件表面处理提供了有效的方法。采用选定的工艺参数对中碳钢汽车活塞销和气门挺柱进行了处理，对其显微组织、耐磨性、变形量及寿命进行了综合评价。

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。