查询词典 speed up

The main research content is: Using the experimental of cutting force and roughness of high speed face milling cutter and high speed end milling cutter mill aluminium alloy and cast iron, analyze the rules of the high speed milling velocity, feed rate per tooth, milling depth and milling width to high speed processing. Use multiple linear regression method, set up surface roughness and the cutting force fluctuation models. Certify the regression model notability, and provide a reliable guarantee for the accuracy of function optimization. Based on the targets of productivity, manufacturing cost, surface roughness, cutting force fluctuation optimization model, according to research of the high speed milling parameters selecting restrict of work piece, machine, tool and safety, set up high speed milling parameters multi-object optimization system.

本文以已有的高速铣削机理及高速刀具技术研究成果为基础，结合高速铣削试验，进行了基于遗传算法的高速铣削参数优化研究与系统开发，主要的研究内容为：通过高速面铣刀和高速立铣刀加工铝合金和铸铁等材料的切削力和表面粗糙度试验，进行了铣削速度、每齿进给量、铣削深度和铣削宽度对高速铣削加工过程影响的研究；采用多元线形回归的方法，建立了切削力及其振幅和表面粗糙度模型，并对模型的显著性进行验证，为高速铣削参数优化模型的建立奠定了基础。

When left when the test-drive after repair in shop main engine is adding this ship to 540r/min, supercharger occurrence asthma brace up phenomenon, rotate speed lifts slightly again, noise shakes very big, smoke evacuation temperature is normal, hair of on the high side of temperature of air inlet duct is very hot, as good as of smoke evacuation smoke constant, supercharger rotor rotate speed and the rotate speed of right leader supercharger that work normally comparative. 2 breakdown analyse this model diesel engine supercharger breathes heavily brace up the reason has the following sides. Bearing of 1 supercharger rotor damages, bring about on the low side of supercharger rotor rotate speed or wave motion, make inadequacy of compressor part air feed and diesel engine and its demand do not match, bring about air current not to stabilize generation to breathe heavily brace up. 2 diesel engine offers oil, match gas to time forbid, match gas, draw well time and disorder, bring about supercharger to breathe heavily brace up. 3 supercharger nozzle jams, cause smoke evacuation not free, circumfluence of exhaust stroke waste gas, enter jackknife of new energy of life with the below one stroke that take energy of life, produce air current to hit generation to breathe heavily brace up. Canal of 4 smoke evacuation jams, smoke evacuation not free, bring about waste gas circumfluence, hit generation of new energy of life to breathe heavily brace up. 5 jams into gas mouth, enter gas inadequacy, generation breathes heavily brace up. 3 trouble removal are based on above analysis, adopt the following measure to remove trouble.

该舰在厂修后试车时左主机在加至540r/min时，增压器出现喘振现象，转速再略升高，声响震动很大，排烟温度正常，进气管温度偏高发烫，排烟烟色无异常，增压器转子转速和正常工作的右主机增压器转速相当。2故障分析该型柴油机增压器喘振的原因有以下几个方面。1增压器转子轴承损坏，导致增压器转子转速偏低或波动，使得压气机部分供气不足和柴油机及其需求不匹配，导致气流不稳定产生喘振。2柴油机供油、配气定时不准，配气、发火定时紊乱，导致增压器喘振。3增压器喷嘴堵塞，导致排烟不畅，排气冲程废气回流，和下一进气冲程进新气重叠，发生气流冲撞产生喘振。4排烟管堵塞，排烟不畅，导致废气回流，冲撞新气产生喘振。5进气口堵塞，进气不足，产生喘振。3故障排除基于以上分析，采取以下办法排除故障。

Researches show that the drive force characteristics of the electric tractor drive system based on series DC motor is close the ideal characteristics, the curves are concave, low speed with constant power, and high speed with constant torque; the electric tractor has large working speed under different shifts, but the extensive coincidence speed shows that the variable ratio of the gear is unreasonable; the maximum climbable gradient of this electric tractor is more than 30%, and does not need frequent shift when working for its extensive climbable gradient; there are many influence factors of continuous working time, which the more obvious factors are working speed and working load, the working time increases with the increase of the working speed and working load.2. Simulation researches on the drive characteristic of the electric tractor.

研究结果表明：基于串励直流电动机(来源：ABC21论文网www.abclunwen.com)的电动拖拉机电驱动系统的驱动力特性场接近理想驱动力特性场，其各挡下的驱动力特性是一组下凹的曲线，低速恒转矩，高速恒功率；同一行驶速度下所对应高挡驱动力大于低挡驱动力，这是由电机的调速特性决定的；电动拖拉机各个挡位下具有较广的稳定作业速度范围，但是各个挡位之间速度重合的范围较多，说明所用变速箱变速比与电动机匹配不合理；电动拖拉机最大爬坡度达到30%以上，并且各挡爬坡度变化范围较广，作业过程中不需要频繁换挡；影响电动拖拉机连续作业时间的因素较多，其中作业行驶速度和作业负荷影响最为明显，作业负荷越大，连续作业时间就越短，作业速度越快，连续作业时间就越短。2、电动拖拉机驱动特性仿真研究。

Regarding the speed along with the displacement even change's uniform non-uniform linear motion, its acceleration should define like this: At the unit displacement the speed change (the physics significance is: The speed along with the displacement change "the speed"), like this has:, the acceleration unit should be , Expression speed change which causes in proportion to as a result ,of the speed action of force.if the final velocity is 0, acts according to , namely .

对于速度随位移均匀变化的匀变速直-运动，它的加速度应该这样定义：在-位位移上速度的变化（物理意义是：-速度随位移变化的"快慢"），这样-有：，加速度的单位应该是，表示由于正比于速度的力作用而引起-速度的变化，其中。如果末速度为0，则根据，即。

At 135 mm depth and 0.28 m/sec speed, the biomimetic furrow opener surface with UHMWPE tubular ridges recorded 0.62 kN and 0.17 kW, while at 135 mm depth and 0.92 m/sec speed, the values were 0.91 kN and 0.82 kW. The experimental values of resistance force and power for the conventional surface furrow opener at 100 mm depth, and 0.28 m/sec speed were 0.72 kN and 0.20 kW, while at 100 mm depth and 0.92 m/sec speed, the values were 1.11 kN and 1.0 kW. At 135 mm depth and 0.28 m/sec speed, the conventional surface furrow opener recorded 0.93 kN and 0.25 kW, while at 135 mm depth and 0.92 m/sec speed, the values were 1.50 kN and 1.35 kW.

试验测试结果：当耕深100 mm和耕作速度0.28 m/sec时，实测的普通开沟器的土壤阻力和动力消耗分别为0.72kN和0.20kW；当耕深100 mm和耕作速度0.92 m/sec时，实测的普通开沟器的土壤阻力和动力消耗分别为1.11kN 和1.0kW；当耕深135 mm和耕作速度0.28 m/sec时，实测的普通开沟器的土壤阻力和动力消耗分别为0.93kN和0.25kW；而当耕深135 mm和耕作速度0.92 m/sec时，实测的普通表面开沟器的土壤阻力和动力消耗分别为1.5kN和1.35kW。

China's railway is developing along with the society's development, from coal as the driven power to electricity, from ballasted track to Non-ballasted track, from low-speed to high-speed , China's railway has undergone earth-shaking changes, and now the construction of high-speed railway leads to the takeoff of China's economic and social , Although high-speed railway in China start late , but have a high starting point, and developed very quickly, through introducing foreign core technology, digestion, absorption and re-innovation ,we owned the ability to build the high-speed railway, and ushered into a new era of high-speed railway construction.

我国的铁路随着社会的发展而发展，从以煤为动力到以电力直接带动，从有砟到无砟，从低速到高速，我国的铁路发生了翻天覆地的变化，而如今高速铁路的建设正在引领我国经济社会的腾飞，我国高速铁路虽起步晚，但起点高、发展快，通过引进国外核心技术、消化吸收再创新，初步具备了建设高速铁路的能力，迎来了我国高速铁路建设新时代。

In recent years, the company has successfully developed some special production lines for manufacturing ordinary batteries, namely, D size, Size C, and Size AA. Now running in the workshop is another assembly line for carbon rod processing machinery. For the past decade, it has introduced most advanced manufacturing techniques and control techniques from abroad, and therefore it has managed to develop automated machines for producing alkaline batteries. The automatic assembly lines that it possesses are: Lines LR6 and LR03 for 200 cells per minute, 300 cells per minute, 400 cells per minute, 600 cells per minute and 1000 cells per minute, Lines LR20, LR14 and LR61 for 150 cells per minute and 300 cells per minute. Powder spraying conducting film, machines for negative electrode calamine cream, diaphragm machines with a speed of 30 cells per minute; negative electrode electric welding machines with a speed of 200-300 cells per minute; current collector assembling machines with a speed of 200-400 cells per minute; battery tray fillers with a speed of 200-400 cells per minute, insulating ring assembling machines with a speed of 300 cells per minute; electroscope machines, 4-cell furling machines with a speed of 300 cells per minute.

公司先后开发了普通电池生产线：一号、二号、五号电池流水线和普通碳棒加工机械，特别是近十年来公司吸收并消化了国外最先进的生产工艺、控制技术，研制开发了国内最先进的自动化碱性电池机械，有200只/分钟、300只/分钟、400只/分钟、600只/分钟、1000只/分钟的LR6、LR03电池自动化生产流水线；有150只/分钟、300只/分钟的LR20、LR14、LR61电池生产线；有正极拌粉系统喷导电膜设备、负极拌锌膏；有30只/分钟的卷隔膜套机，200-300只/分钟负极钉高速点焊机，200-400只/分钟的集电体高速组装机，200-400只/分钟的电池装盘机，300只/分钟的绝缘圈组装机，300只/分钟的验电机和四节缩机等。

Company's main products are :16-24 high-speed wire and cable knitting machines ,9-33 Biandai speed in the weaving machine ,8-48 medium-speed circular knitting machines with 8-48 medium-speed wire knitting machines, 3-145 ordinary Biandai weaving machines ,8-148 ordinary round with knitting machines, 3 -- 53 Shoes straw loom, long lines Rao charter, 4-10 line of electronic and high-speed machines, automatic single, double-headed lines and high-speed machines, multi-line automatic Shoufang weaving machine unit, the first rolling machine shoelace , Goubian machines, machine lace, jacquard weaving machines and accessories, spindle, the yarn, the pressure deduction, such as falling round.

公司主要产品有：16-24锭高速电线电缆编织机、9-33锭中速扁带编织机、8-48锭中速圆带编织机、8-48锭中速电线编织机、3-145锭普通扁带编织机、8-148锭普通圆带编织机、3-53锭鞋材草编织机、多头线饶包机、4-10头电子高速并线机、全自动单头、双头高速并线机、多种自动收放线编织机机组、鞋带轧头机、钩编机、花边机、提花机及编织机配件、锭子、纱管、压扣、轮坠等。

Our main products are :16-24 high-speed wire and cable braiding machine ,9-33 medium-speed spindles and knitting machine flat belt ,8-48 medium-speed circular knitting machine with 8-48 medium-speed wire knitting machine ,3-145 knitting machine flat belt ordinary ,8-148 ordinary circular knitting machine belt, 3 -53 Material straw weaving spindles, multi-line charter Rao ,4-10 electronic high-speed and line machine, automatic single head, double-headed high-speed and line of machines, a variety of automatic retractable wire weaving machine units, shoelaces rolling head machine, crochet machine, lace machine, jacquard machine and knitting machine accessories, spindles, yarn tubes, pressure clasp, such as round-dropping.

公司主要产品有：16-24锭高速电线电缆编织机、9-33锭中速扁带编织机、8-48锭中速圆带编织机、8-48锭中速电线编织机、3-145锭普通扁带编织机、8-148锭普通圆带编织机、3-53锭鞋材草编织机、多头线饶包机、4-10头电子高速并线机、全自动单头、双头高速并线机、多种自动收放线编织机机组、鞋带轧头机、钩编机、花边机、提花机及编织机配件、锭子、纱管、压扣、轮坠等。

Company's main products are :16-24 high-speed wire and cable knitting machines ,9-33 Spindles in the speed Biandai weaving machines ,8-48 medium-speed circular knitting machines with 8-48 medium-speed wire knitting machines, 3-145 ordinary Biandai weaving machines ,8-148 ordinary round with knitting machines, 3 -53 Ingot Shoes straw loom, long lines Rao charter, 4-10 line of electronic and high-speed machines, automatic single, double-headed lines and high-speed machines, multi-line automatic Shoufang weaving machine unit, the first rolling shoelaces Machine, Goubian machines, machine lace, jacquard weaving machines and accessories, spindle, the yarn, the pressure deduction, such as falling round.

公司主要产品有：16-24锭高速电线电缆编织机、9-33锭中速扁带编织机、8-48锭中速圆带编织机、8-48锭中速电线编织机、3-145锭普通扁带编织机、8-148锭普通圆带编织机、3-53锭鞋材草编织机、多头线饶包机、4-10头电子高速并线机、全自动单头、双头高速并线机、多种自动收放线编织机机组、鞋带轧头机、钩编机、花边机、提花机及编织机配件、锭子、纱管、压扣、轮坠等。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了