因为之前电脑运转要把电路焊接起来，然后还可以对特定东西进行计算。
Before then, computers were programmed by rewiring their circuits to perform a certain calculation over and over.
焊接电路板需要较少的工人。
图中的这位工人在一块钢板表面加热一块电脑电路板以取下焊接在上面的芯片原件。
In this photo, a worker heats a computer board on a steel surface to remove the computer chips soldered into it.
本文主要给出了详细的设计原理图、参数的选择、以及电路的焊接。
This paper give a detailed schematic design, parameter selection, as well as the welding circuit.
具有焊接电流反馈控制电路及焊接电压反馈控制电路。
It has the welding current feedback circuit and the welding voltage feedback circuit.
传统的通孔元件的焊接采用波峰焊或手工焊接。目前电路板上表面贴装元件和通孔元件混合在一起。
Through hole components welding using traditional manual welding or soldering. The circuit board surface mount components and through-hole components mixed together.
将电路板放置在焊台上，针对需要焊接的通孔元件管腿，选择合适的喷锡口，启动波峰焊接。
The circuit board is placed in the welding stage, the pins through hole components welding, choose appropriate spray tin, soldering start.
通过简单分析该主电路的结构形式和工作原理，证明它是一种对电网污染少、整流输出电压特性好的焊接电源主电路形式。
By analyzing its structure and working principle, it proves that the new circuit has little pollution to the network and has well characteristic of the output voltage.
采用波峰焊工艺可能会对先期焊接的表面贴装元件造成损伤。现在很多电路板上以表面贴装元件为主。
The wave soldering process may advance welding on the surface mount components damage. Now a lot of circuit board with surface mount components.
文中介绍了具体的软硬件设计，进行了电路板和元器件的焊接、程序的调试。
In this paper, the specific hardware and software design, a circuit board and components of the welding, the debugging process.
介绍了一种简单的驱动电路，它能有效改善焊接电源的动态性能，降低产品制造成本，满足GB 15579的安全要求。
It introduces a simple drive circuit, which can improve dynamic performance of welding power source, lower the manufacturing cost and meet the requirement of GB15579.
硬件设计包括电路的系统规划、设计、抗干扰电路的设计、原理图的绘制、PC B电路板的制作、电路的焊接、电路的调试以及整个系统的组装。
Hardware include the whole programming of circuit, design, anti-jamming circuit, principal chart of circuit, the circuit board of PCB, jointing the circuit, debugging and assemble the system.
节能设计，焊接停止，气路、电路自动关闭。
Energy-saving design, welding stop, gas, circuit and electric automatically close.
诺基亚5800的耳机是不是焊接在接触的电路板，而不是它的压入的电路板。
The Nokia 5800's earpiece isn't soldered onto the contacts on the circuit board, rather it's pressed into the circuit board.
同时给出了焊接中作为可逆送丝的具体电路。
The practical circuit used in welding for invert wire feeding is proposed in the paper.
主电路以反并联的晶闸管作为控制开关，控制焊接用的电阻点焊变压器通电与否。
In the main circuit, the inverse parallel couple SCRs (silicon-controlled rectifier) are used as a electric switch, switching the transformer of resistance spot welding.
电源电压列在“主要性能参数”表中，在一般情况下，焊机内的电压自动补偿电路将保证焊接电流保持在允许的范围。
Supply voltage in the "main performance parameters" in the table, under normal circumstances, the welding voltage compensation circuit will guarantee automatic welding current to keep the scope.
对该焊机的主电源结构、小车行走控制电路、送丝电路、单片机控制电路以及焊接过程控制软件等的设计作了较详细的介绍。
The design of main power sources structure, the control circuit for welding tractor and wire feeder, SCM control circuit and software for welding process are introduced in detail.
这是一个MTA的选择性焊接机器人生产方式在印刷电路板焊接组件的剪辑。
This is a clip of an MTA Selective soldering robot soldering components to Printed circuit boards in a production mode.
电弧供电采用了两种并联电路，解决了焊接电流的单一性，提供了稳定的先导电弧，保证了足够的焊接时间。
With two parallel circuits on arc powered supply, it settles the welding current unicity, stabilizes forerunner arc and ensures enough welding time.
学生实践操作的方法有：实验箱上搭接电路和在印刷板上焊接电路，并重点介绍了后一种方法。
There are several ways in students operation: link circuit on test box; weld circuit on schematic panel, and this paper emphasizes on the latter one.
在电路设计中没有传统的PCB制作和电子元器件的焊接工序，整个专用数据采集电路系统设计可在不到一天时间内完成。
Because of no any PCB (Print Circuit Broad) making and component welding process during development of flexibility functions, a powerful data acquisition circuit can be designed in a short time.
它的广泛报导集中在印刷电路、集成电路、连接材料、半导体、导线、粘结、钎焊、焊锡和焊接。
Its comprehensive coverage focuses on printed circuits, integrated circuits, contact materials, semiconductors, wire, bonding, brazing, soldering, and welding.
同时，进行了点焊焊接电流方式的选择，积分电路和系统电路的设计。
Simultaneously, the sensing mode for spot welding current was chosed and an structure of integral circuit and system circuit was designed.
双反星型，平衡电抗器及平波输出电路，焊接电流稳定。
Double reversed star shape, interphase reactor, flat wave output circuit, stable welding current.
设计的数字化显示电路，采用数字面板表进行显示。在参数预置时显示参数预置值，在焊接过程中显示焊接电压与电流。
The digital display circuit using a figure panel instrument was designed to implement real-time display of the Settings and the voltage and current in the welding process.
介绍了电机控制专用集成电路uc 3637的工作原理，特点及应用。同时给出了焊接中作为可逆送丝的具体电路。
The principle, typical characteristics and application of the UC3637 are introduced. The practical circuit used in welding for invert wire feeding is proposed in the paper.
详细介绍了高速旋转电弧传感器的旋转驱动电路、位置检测电路以及焊接电流采样电路。
The rotary driving circuit, position detecting circuit, and welding current sampling circuit of the high speed rotating arc sensor are introduced in detail.
详细介绍了高速旋转电弧传感器的旋转驱动电路、位置检测电路以及焊接电流采样电路。
The rotary driving circuit, position detecting circuit, and welding current sampling circuit of the high speed rotating arc sensor are introduced in detail.
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