查询词典 precision

It is urgent to solve how to produce it efficiently and economically.In this paper, with the guidance of precision forming complex components, basing on the forming theory of obturated-extrusion, combining the technique of hot extrusion, considering the characteristics of steering knuckle, so the one-step precision obturated lateral-bend extrusion forming method and the two-step forming method are presented.

本文以复杂零件的精密成形为指导思想，根据闭塞挤压成形理论，结合热挤压技术，针对轿车转向节零件的自身特点，提出轿车转向节零件的闭塞侧弯挤压精密一步成形法和闭塞侧弯挤压精密预制坯与开式终锻相结合的两步成形法两种工艺。

In chemical industry,precision formula as well as precision proportioning according to such formula is often required.

在化工行业中，需要精确配方，更需要准确配料。

Comb tenoning machine Merit:①The this aircraft uses the straight line guide rail, the precision bearing, the operation is facile;②Has the structure compact, does not fill saws the froth, the precision high, the work table area big, the life long and so on the characteristics;③Has the air operated card functions and so on tight, feed control, auto-stop, automatic rejected material;④Is equipped with the electrical machinery superheat automatic protector and stops the switch anxiously, after the emergency stop the air cylinder may lock automatically;⑤Uses in constructing the profession woodenly only then (below 15*15cm), zygote board docking enhances efficiency 40% compared to the similar product.

梳齿开榫机优点：①本机使用直线导轨、精密轴承，操作轻便；②具有结构紧凑、不塞锯沫、精度高、工作台面积大、寿命长等特点；③配有气动卡紧、自动送料、自动停机、自动退料等功能；④设有电机过热自动保护器和急停开关，紧急停车后气缸可自动锁紧；⑤用于建筑行业的方木（15*15cm以下）、合子板的对接比同类产品提高效率40%。

Passive detection and precision guidance using long-wave IR beam with logical signal processing and automatic target tracking; simultaneous tracking of 20 targets with precision of 0.7 deg in elevation, 0.4 deg in azimuth, 50m in distance 春秋中文社区http://bbs.cqzg.cn

可利用長波長紅外線波束配合邏輯訊號處理與自動目標追蹤能力進行被動偵測與精確導引，可同時追蹤20個目標，精確度在50公尺以內垂直方向有0.7度，水平方位0.4度。

Simulation results indicate that the drift of up gyro and the initial error of azimuth angle have significant effect on the positioning precision, however, compared with the drift of up gyro, the drifts of east and north gyros have less effect on the positioning precision.

第二，详细分析了东、北、天三个方向的陀螺漂移及初始方位误差角对SINS/里程仪组合系统定位精度的影响。

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 selection and the processing precision of the materials play an important role in the precision of the mechanical watch, therefore it is necessary to research the materials and the processing methods of the balance wheel, and put forward a more reasonable approach .

其材料的应用和加工制造精度对机械表走时精度有着10分重要的影响。因此，想要提高人表的走时精度，就需要对摆轮的材料和加工方法进行研究，并提出更加合理的方法。

The selection and the processing precision of the materials play an important role in the precision of the mechanical watch, therefore it is necessary to research the materials and the processing methods of the balance wheel, and put forward a more reasonable approach .

其材料的应用和加工制造精度对机械表走时精度有着十分重要的影响。因此，想要提高手表的走时精度，就需要对摆轮的材料和加工方法进行研究，并提出更加合理的方法。

According to the characteristics of the fuse industry and the research condition, We applied ZPrinter310 system to produce the fuze prototypes and used these prototypes to help design in the project argumentation phase, got the final project;Then we applied AFS-320 rapid prototyping system to produce the noumenon, analyzed the noumenon's precision、surface quality and performance of material mechanics in detail,based on these analytic results,we considered to use the noumenon in the fuze local performance test and some laboratory experimentations;At last we discussed how to combine the rapid tooling and precision foundry to produce batch of samples, we can apply these samples in the fuze system and ball cartridge experimentation.

本论文将快速成型技术贯穿在引信研制周期中的各个阶段，根据引信研制的特点及现有的研究条件，应用基于3DP工艺的ZPrinter310系统制造出了引信零件原型，并将原型应用于方案设计论证阶段辅助引信设计，得出了零件的最终设计方案；应用基于SLS工艺的AFS-320快速成型系统制造出了引信本体，对本体的尺寸精度、表面质量及材料的力学性能作了详细的分析，根据综合分析结果，考虑将本体直接应用于引信研制阶段的局部性能试验及部分实验室试验中；最后还论述了如何结合快速模具及精密铸造技术小批量制造引信零件应用于引信研制阶段的实验室试验及实弹试验中。

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。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。