丝

Compared the voltage negative feedback wire-feeding speed regulation system supported by current positive feedback with the rotational speed negative feedback regulation system, the equivalent condition of the two systems is obtained. Then, a wire-feeding speed regulation circuit for the CO_2 welding machine is designed based on TL494 chip, which has the self-protective function under the condition of current overloading.

通过对电压负反馈配合电流正反馈的送丝调速系统与转速负反馈调速系统的比较，得出了这两种调速系统的等效条件，并采用电压负反馈配合电流正反馈技术，设计了一种以TL494为核心的具有过电流截止保护功能的CO_2焊机送丝调速电路。

To deal with the three-position mode. that is, a heat treatment spaces, spaces in the two months to feed silk processing, column electrodes three major equipment including : heating system, Ladle low argon blowing system, feeding cropping system, two ladle car. three wire-feeding machines and confiscated a slag.

处理模式为三工位，即一个加热处理位，俩个喂丝处理位，主要设备包括：三位立柱电极加热系统、钢包氩气低吹系统、上料下料系统、两台钢包车、三台喂丝机及一台扒渣机。

The relationships between welding pool width, wire extension and welding parameters including welding current duty ratio, base current, peak current, welding speed and wire-feeding speed were studied. Through large numbers of welding experiments, aluminum alloy pulsed MIG welding dynamic process were identified by the curve fitting method, and the mathematical models between welding current duty ratio, base current, welding speed, wire-feeding speed and wire extension were obtained, succeeding the model between the above parameters and weld pool width.

介绍了铝合金MIG焊焊接电流占空比、基值电流、峰值电流、焊接速度、送丝速度对熔宽的影响规律，并在其基础上，通过平板堆焊试验研究了这些参数对焊接干伸长的影响规律；在铝合金机器人脉冲MIG焊平板堆焊过程各焊接参数与正面熔宽之间的传递函数的基础上，采用铝合金平板堆焊阶跃试验，利用曲线拟合法辨识了铝合金机器人脉冲MIG焊动态过程传递函数，建立了焊接电流占空比、基值电流、焊接速度、送丝速度与焊接干伸长之间的对象数学模型。

A new type of wire-feed system of submerged arc welding based on fuzzy logic control is proposed, which replaces the conventional PI controller.

以埋弧焊送丝系统为研究对象，用模糊控制器取代传统的基于系统模型的经典PI调节器，设计了一种新型的模糊控制送丝系统。

The wire-feed speed control system based on negative feedback of speed is designed. The test proves that the performance of this system has been noticeably improved than the common systems. The system can be output steadily under the factors of wire-feed resistance changing or certain different performance of motors, and this system is the base for the further improving of the quality of the pulse MIG welding.

本文设计了基于速度负反馈的送丝调速系统，实验证明该系统的性能较一般系统有了明显的提高，在送丝阻力变化、电网波动或电机性能存在一定差异的情况下，该系统均可以稳定输出，为进一步提高脉冲MIG焊接工艺质量打下了基础。

The main products of our company are "CYAN" brand Brass wire-cut EDM machines, CNC Medium Speed wire cut EDM, High Speed wire cut EDM, EDM machine and High Speed Small hole EDM machines.

公司主要产品智能型中速走丝电火花数控线切割机、快速走丝电火花数控线切割机、电火花成型机和电火花高速小孔机等电加工机床。

From Taiwan in the mainland and set up joint investment YESTON Seiko, a precision tools YESTON Trading Co., Ltd., professional agent Units God bit, milling cutter series of cutting tools, professional sales in Japan silk YAMAWA attack, OSG silk attack, dental lamina, dental regulations and campaign tool, Japan Mitutoyo, Switzerland TESA measuring series, the United States BORTON oilstone, Taiwan KINIK grinding wheel, one of Taiwan goods diamond grinding tools, pneumatic tools in Japan, Taiwan Power Tools, Taiwan Technology Friends of electricity approved license, Taiwan gifted German office finishing cabinets, parts cabinets series, Japan Taiwan lathe, milling machine, grinder, wire-cut precision parts, pneumatic fittings, quick fixture series, imported EDM, Drilling Machine dedicated copper wire, copper precision metal parts, etc..

盈通精密工模具有限公司是由台湾万通机械有限公司在大陆与盈通精工联合投资创办的一家盈通精密工具贸易有限公司，专业代理台神钻头、铣刀系列切削工具，专业销售日本YAMAWA丝攻、OSG丝攻、牙板、牙规及系列刀具，日本Mitutoyo、瑞士TESA量具系列，美国BORTON油石、台湾KINIK砂轮、台湾一品钻石研磨工具、日本气动工具、台湾电动工具、台湾技友牌电批、台湾优德办公整理柜，零件柜系列、台湾日本车床、铣床、磨床、线切割精密配件、气动配件、快速夹具系列、进口线切割机、打孔机专用铜线、铜管等精密五金零配件。

Dongguan Exhibition Fenggang metal mold Fitch Dongguang Fenggang town, the company specialized EDM, Drilling Machine, EDM consumption and mold materials, such as precision room supplies, wire-cut filters, ion exchange resins, ion exchange resins , derusting water KC-12.K-200, RHV600, electrical conductors are flush Tsui, insulation board, wire guide pulley, tension wheels, drilling machine with diamond Introduction Tsui, VITOL processing fluid, and fast wire molybdenum wire with a bright, steel guide pulley, precious stones guide pulley, guide pulley components, guide pulley bushing, conductive block.

东莞市凤岗展誉模具五金位于东莞市凤岗镇，公司专业经营线切割机，打孔机，火花机消耗材及模房等精密用品，线切割用过滤器，离子交换树脂，离子交换树脂，除锈水KC-12.K-200，RHV600，导电体，冲水咀，绝缘板，引线导轮，张力轮，打孔机用钻石导咀，VITOL加工液，及快走丝用光明钼丝，钢导轮，宝石导轮，导轮组件，导轮衬套，导电块。

When using wire wheel brushes, periodically reverse the direction of rotation to take advantage of the self-sharpening action that will result.

使用盘丝轮刷时，请定期反转其旋转方向，以便刷丝磨损均匀。

Ltd., is a high-tech enterprise, which specializes in semiconductor seal equipment exploring, manufacturing and selling.the equipment of series ultrasonic aluminum wire press welder, series ultrasonic gold wire ball welding machine, series ultrasonic large wire press welding machine,series led automatic spot-gluing equipment.

一直以来，创唯星专注于超声波金丝球焊机、超声波铝丝压焊机、超声波粗铝丝压焊机、led自动点胶机等半导体封装设备的研发、生产和销售。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。