Cografts point in general there are two: vertical tool grinder mill out of an arc-shaped blade angle; horizontal grinder mill out of cografts is straight, this kind of edge angle can be adapted at any time to replace a variety of hard and soft materials are cut.
刃角凡是环境下有两栽：用立式磨刀机磨不入的曲线型刃角；用卧式磨床磨不入的刃角为屈线型，此栽刃角可适答随时调换各栽软硬材质的被切物。
The hard-ware of major lminor arc welding trackingsliced computer control system and soft ware designing are introduced, the system's tracking regulationprocess is also theortically analyzed.
文中介绍了弧焊跟踪主／从式单片机控制系统的硬件及软件设计，并对系统的跟踪调节作用过程进行理论分析。
As long as you work hard, you will find that you arc gettingng somewhere at the end of thc day.
只要你努力，最终，你会发现你正在不断进步。
For constant current characteristic PMIG/PMAG welding inverter, one anolog chip is used for pulse current control in most conventional method, that is hard to take account of control system dynamic and static performance in peak period, base period and arc-igniting period, so it is hard to get ideal pulse current waveform control result.
对于恒流特性脉冲焊电源，从脉冲电流控制的角度存在如下问题：大多数传统方法采用一片模拟控制芯片对脉冲电流进行控制，很难兼顾基、峰值期间及引弧期间的控制系统静、动态性能指标，也难在全电流范围获得灵活的、控制较为精确的脉冲波形效果。
The decreasing time of free-wheeling current is relative to duty cycle in the exiting FB-ZVZCS-PWM soft-switching inverter arc welding power supply with the block capacitor, and it is hard to achieve zero current switching for lagging leg with low duty cycle.
现有FB-ZVZCS-PWM软开关弧焊逆变电源采用阻断电容衰减原边环流电流所需的时间与占空比有关，占空比很小时滞后臂难以实现零电流开关。
Sharp and hard articles or sand pimples projecting from base surface shall be removed completely or plastered with polyester cement mortar with the arc radius of plastered area is greater than 300mm.
突出基层表面的尖锐硬物、砂浆疙瘩等铲除，不能铲除时应采用聚合物水泥砂浆抹面覆盖处理，抹面圆弧半径应大于300mm 。
Flat Welding: choice of welding technology, electrode diameter, welding current, welding speed, the length of arc welding, weld process verification; Welding: welding inspection clearance groove, assembly space whether it meets the requirements, positioning it firmly welding, weld around is not oil, rust; Electrode temperature and baking time should be required, the rod removed from the oven. tempreture-constant drum on the electrode, then used as admission; Latin America: welding supply welding thickness, welding levels and electrode type and diameter, skilled welders and other factors, and to select appropriate welding current; fillet weld arc: fluctuations in the point arc weld end, they are advised more than 10 mm, is not hard arc, sparking arc weld zone from the electrode should be started immediately. Component integration and maintaining so-rod pieces have 2-4 mm gap arc.
1.1.2.1平焊：选择合适的焊接工艺，焊条直径，焊接电流，焊接速度，焊接电弧长度等，通过焊接工艺验证；清理焊口：焊前检查坡口、组装间隙是否符合要求，定位焊是否牢固，焊缝周围不得有油污、锈物；烘焙焊条应符合规定温度与时间，从烘箱中取出的焊条，放在焊条保温桶内，随用随取；焊拉电源：根据焊件厚度、焊接层次、焊条型号、直径、焊工熟练程度等因素，选择适宜的焊接电流；引弧：角焊缝起落弧点应在焊缝端部，宜大于10㎜，不应随便打弧，打火引弧后应立即将焊条从焊缝区拉开，使焊条块结合与构件间保持2～4㎜间隙产生电弧。
Flat Welding: choice of welding technology, electrode diameter, welding current, welding speed, the length of arc welding, weld process verification; Welding: welding inspection clearance groove, assembly space whether it meets the requirements, positioning it firmly welding, weld around is not oil, rust; Electrode temperature and baking time should be required, the rod removed from the oven. tempreture-constant drum on the electrode, then used as admission; Latin America: welding supply welding thickness, welding levels and electrode type and diameter, skil led welders and other factors, and to select appropriate welding current; fillet weld arc: fluctuations in the point arc weld end, they are advised more than 10 mm, is not hard arc, sparking arc weld zone from the electrode should be started immediately. Component integration and maintaining so-rod pieces have 2-4 mm gap arc.
1.1.2.1平焊：选择合适的焊接工艺，焊条直径，焊接电流，焊接速度，焊接电弧长度等，通过焊接工艺验证；清理焊口：焊前检查坡口、组装间隙是否符合要求，定位焊是否牢固，焊缝周围不得有油污、锈物；烘焙焊条应符合规定温度与时间，从烘箱中取出的焊条，放在焊条保温桶内，随用随取；焊拉电源：根据焊件厚度、焊接层次、焊条型号、直径、焊工熟练程度等因素，选择适宜的焊接电流；引弧：角焊缝起落弧点应在焊缝端部，宜大于10㎜，不应随便打弧，打火引弧后应立即将焊条从焊缝区拉开，使焊条块结合与构件间保持2～4㎜间隙产生电弧。
Adopting cathode protection of the zinc materials as an effective protection method, which already applied more and more in many field. For example, Hot-dip galvanisation, galvanization, electric arc spray zinc、sherardizing, etc. But that method are with lots of shortcomings. For example, hard to apply
采用锌材料阴极防护的方式，作为一种有效的钢铁防护手段，已经得到越来越多的应用，诸如热浸镀锌、电镀锌、电弧喷锌、热喷锌等工艺手段，但鉴于这些工艺存在施工难度大、环境污染重、能耗高、锌层受损难修复等弊端，使得发展受限。
A swiching arc image acquisiton and visual simulaiton software based on high speed CCD camera hard ware system was designed and implemented.
在分析已有的开关电弧可视化方法的基础上，提出了基于高速图象采集的电弧动态过程的可视化技术，研究了电弧图象采集软件的设计、实现方法，设计并实现了基于高速CCD器件的电弧图象采集软件，研究了电弧图象中触头、灭弧室等弱特征的增强方法以及电弧图象边缘特征的提取方法。
Based on analyze the visualization methods that had been proposed by other researchers, a new swiching arc visual approach was introduced in this paper. Arc image acquistion, image processing, edge detection and weak feature enhancement techniques was studied. A swiching arc image acquisiton and visual simulaiton software based on high speed CCD camera hard ware system was designed and implemented. Swiching arc image was captured continuously.
在分析已有的开关电弧可视化方法的基础上，提出了基于高速图象采集的电弧动态过程的可视化技术，研究了电弧图象采集软件的设计、实现方法，设计并实现了基于高速CCD器件的电弧图象采集软件，研究了电弧图象中触头、灭弧室等弱特征的增强方法以及电弧图象边缘特征的提取方法。
Wanbao's main product is high-performance permanent magnet motor arc magnet produced by automatic presses machines, automatic molding, based on the material of Sro.6Fe2o3 anisotropic hard ferrite magnet.
万宝公司永磁铁氧体产品主要以 Sro.6Fe2o3各向异性磁体为主，采用自动压机，自动模具成型，生产高性能的永磁铁氧体电机磁瓦。
Wanbao main products is Sro.6Fe2o3 anisotropic hard ferrite magnet, used automatic presses machines, automatic molding, produce high-performance permanent magnet motor arc magnet.
万宝公司永磁铁氧体产品主要以 Sro.6Fe2o3各向异性磁体为主，采用自动压机，自动模具成型，生产高性能的永磁铁氧体电机磁瓦。
The process experiment and actual results on the TiN ultra-hard film and decorative film produced by multi-arc ion coater with 8 arc sources HLZ-750 mades in our institute are introduced in detail here.
详细介绍了在我所研制的HLZ－750型八个弧源的多弧离子镀膜机上所做的TiN超硬涂层及装饰涂层的工艺研究及实测结果。
World Health Organization clinical trials to prove substantial, resulting in tooth decay due to the large population of harmful bacteria, the functional characteristics of type toothbrush display type in its unique design and high-quality brush sanding dual filament tip to the forward bending of the back of hard-depth Brush laniary site, around the teeth close to teeth, dental plaque thoroughly cleaned; arc mitigation brush too much force caused by gingival bleeding and abnormal wear and tear; follow internal alveolar brush with regulation, in-depth teeth cleaning teeth bacteria grouper; display type brush to help clean and dry quickly to curb the breeding of germs.
世界卫生组织大量临床实验证明，产生蛀牙的原因是有害细菌的大量繁殖，功能型牙刷的特色在于其独特展示型刷头设计及优质双尖磨毛细丝，能向前弯曲，深入后排难刷大牙部位，包住牙齿紧贴牙缝，彻底清洁牙菌斑；弧型刷头缓解用力过猛而导致的牙龈出血和异常磨损；跟着牙槽内部排列调节刷头，深入牙缝清洁牙菌斑；展示型刷头，有助于快速清洁和晾干，抑制细菌滋生。
At present, the machining method of advanced ceramics have diamond grinding, ultra hard cutters such as PCD, ultrasonic cutting, laser cutting, plasma arc cutting and water-jet cutting.
目前，常见的工程陶瓷加工方法有金刚石砂轮磨削、PCD等超硬刀具切削、超声波加工、激光加工、等离子弧切割及高压水射流切割。
As for the soft-switching converter in arc welding power supply, the lagging leg is hard to achieve ZVS under low load condition in FB-ZVS-PWM converter. The reason is analyzed and the secondly side auxiliary inductor is proposed to overcome the defect.
本文针对目前软开关逆变弧焊电源变换器的应用，分析了FB-ZVS-PWM变换器滞后臂较难实现零电压开通的原因，并采用副边辅助电感的方法来克服。
Offering options of soft/hard arc and arc force for all-position welding.
备有软/电弧及推力电流选择，实现全位置焊接的要求。
The lower reliability is the main problem of conventional inverter arc welding power supply which mainly results from hard-switching operation and results in significant switching losses, switching stresses and switching noise.
传统逆变弧焊电源存在的主要问题是可靠性较差，其最主要原因是主电路运行于硬开关方式，功率器件的开关损耗、开关应力和开关噪声都很大，从而降低了其可靠性。
Integrated amplifier is the cneter of the control system for most arc welding power supply at present, which is hard to meet the higher and complicated requirement of control only by the analogcurrent. while using the inverter with the microcomputer control is not only meet the basic demand of the common arc welding power supply, but also is of high precision and multi_fuctiong.
现在绝大多数弧焊逆变电源都以集成运放电路组成控制系统，对于难以控制要求又特别高的情况，单纯依靠这种传统的模拟控制难以达到其控制目的。