精度

The actions of quick feed, workpiece feed and quickreturn of the press can be realized automatically under the program control, it is suitable for the arber of axle sleeve parts and the bending, shelling and pressing of sections parts and the stretching of parts, it can be used for flow assembly of car, machine, automobile electric,appliance motorcycle absorber and air conditioner electric appliance compared with common hydraulic press, Type YKT high speed hydraulic press is of high accuracy of adjustment, quick action, stable repeat accuracy and safe reliable operation.

产品介绍： YKT型快速液压机是一种多功能的液压机床，在程序控制下自动实现压机的快进、工进、快速返回等动作，适用于轴套类零件的压装，型材零件的弯曲、压印、套形及零件的拉伸等工艺动作，可应用于汽车、机床、内燃机、轻纺机械、洗衣机、汽车电器；摩托减震器、空调电器等行业装配的流水线上，与普通液压机相比，YKT型快速液压机具有调节精度高、动作速度快，重复精度稳定、操作安全可靠等优点。

Center frequency of the system is 280MHz with a bandwidth of 10MHz. The sample frequency is 2GS/s. The system shows the lightning VHF source in 2-D, and the error for azimuth is less than 1 and 3 for elevation.

系统能够给出闪电VHF辐射源的仰角和方位角二维发展图像，对方位角的测量精度大于仰角，从标定结果来看，系统对方位角的测量误差在1度以下，而对仰角的测量精度随着仰角的减小而降低，对所分析的高仰角闪电，仰角误差一般不超过3度。

The accuracy of back-angle can be achieved to 0.01mm through selecting soundcutting velocity and optimizing the servo systems stiffness. The accuracy meets therequirement of market.

通过选择合理的摆线数目，采用合理的切削速度，优化伺服系统的刚度，选用合适的刀具材料，可以使倒锥的加工精度达到0.01mm，满足了市场对倒锥加工精度的要求。

The precisions of width control machine and control baffle at Jigang Middle Plate Mill were lower. For this reason, the automatic high precision width control machine was designed.

济钢中板厂的宽度定尺机和定位挡板精度较低，使钢板存在宽度误差，为此，设计了高精度自动宽度定尺机。

Control point were added to the iterative process to obtain a balance between plane precision and area constraint, so that the precision of areas that did not pass the statistic test can be improved.

并藉由在迭代过程中导入图根点，取得平面精度与面积条件的平衡点，使原本无法通过统计测试的区域提高平面精度，通过统计测试。

The conception of the precision of the main parts for dry battery application and the working chart of the tolerance of the dimension and shape and the coarse degree of the surface were put for ward.

本文提出了干电池主要零配件的精度概念以及尺寸公差、形位公差、表面粗糙度等精度要求的工作图表达形式。

Ceramic bearings can produce oxidation-ho, silicon carbide, silicon nitride and so on, diameter from 3mm-50mm, precision Machinable P0, P6, P5 level; its performance characteristics are: high temperature, oil-free self-lubricating, acid, alkali and salt corrosion , wear resistance, low noise, insulating diamagnetic, since high-speed operation; metal nano-ceramic bearing its production process for a new generation of high content of nano-particles in the heat and pressure infiltration of metal surface is activated to fill the cracks and pits the metal so that 3-5 micron metal surface is more smooth solid surface, greatly reduce the friction, improve Chennai base metals, and greatly increased the life span of bearings, and its characteristics are: long life (as an ordinary stainless steel bearings 2 -- 10-fold), low noise (as an ordinary stainless steel bearings, 70%), wear-resisting, acid, alkali, salt corrosion, high temperature, load large; ceramic bearing and metal nano-ceramic bearing design and development to meet the needs of the market for high-speed, low - noise, high load, the demand for corrosion-resistant; Machinery Production Department to produce aircraft rod end joint bearing, linear guide bearings, the fuel tank of earrings, plastic bearing, non-standard side bearing components, glass door hardware, such as high-precision control products; and provide CNC machining.

陶瓷轴承可生产氧化镐、碳化硅、氮化硅等，内径从3mm-50mm，精度可加工P0、P6、P5级；其性能特点为：耐高温、无油自润滑、耐酸、碱、盐腐蚀、耐磨、低噪音、绝缘抗磁、起高速运转；金属纳米陶瓷轴承其生产工艺为新一代的高含量纳米级微粒在热和压力的作用下被激活渗入金属表面，填补金属缝隙和凹坑，使金属表面3-5微米表面更光滑坚固，大大降低其摩擦力，提高金属的奈酸碱性，并大大提高了轴承的寿命，其特性为：长寿命（为普通不锈钢轴承的2-10倍）、低噪音（为普通不锈钢轴承的70%）、耐磨、耐酸、碱、盐腐蚀、耐高温、负载大；陶瓷轴承与金属纳米陶瓷轴承的设计开发以满足市场对高转速、低噪音、高负载、耐腐蚀的需求；机械生产部以生产机杆端关节轴承、直线导轨轴承、油缸耳环、塑料轴承、非标端轴承零部件、玻璃门控五金等高精度产品；并对外提供数控加工。

The machine tool should be of good stiffness and of good dynamic stability. Its lathe bed should be of good stiffness and of large volume. Advanced international technology should be adopted to ensure enough static, dynamic, heat

的结构采用刚性和大体积的床身，采用世界先进技术，保证有足够的静态、动态、热稳态刚度和精度；保证系统具有良好的动态品质，所选的伺服系统执行元件精度高、可靠性好、抗干扰能力强、响应速度快。

Its lathe bed should be of good stiffness and of large volume. Advanced international technology should be adopted to ensure enough static, dynamic, heat

机床的结构采用刚性和大体积的床身，采用世界先进技术，保证有足够的静态、动态、热稳态刚度和精度；保证系统具有良好的动态品质，所选的伺服系统执行元件精度高、可靠性好、抗干扰能力强、响应速度快。

The machine tool should be of good stiffness and of good dynamic stability. Its lathe bed should be of good stiffness and of large volume. Advanced international technology should be adopted to ensure enough static, dynamic, heat

机床的结构采用刚性和大体积的床身，采用世界先进技术，保证有足够的静态、动态、热稳态刚度和精度；保证系统具有良好的动态品质，所选的伺服系统执行元件精度高、可靠性好、抗干扰能力强、响应速度快。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。