一级封装中最流行的互连技术仍为丝焊。
Wire bonding is still the most popular interconnect technology in the first-level packaging.
实现了双丝焊参数的数字化输入与显示。
Thus, digital input and display of parameters in twin-wire welding was achieved.
丝焊方法,半导体器件,丝焊的毛细管及球块形成方法。
Wire bonding method, semiconductor device, capillary for wire bonding and ball bump forming method.
同时对激光热丝焊、多道焊和异种金属焊技术进行了评述。
At the same time, the technology of laser welding with hot wire addition, multi pass welding technology and dissimilar metal joints welding technology are also introduced.
介绍了TANDEM双丝焊在造船拼板焊接中的原理、应用和工艺。
The principle, applications and process of TANDEM double wire welding for butt welding in shipbuilding were introduced.
由于电弧回路结构不同,双丝间接电弧气体保护焊的焊接过程比单丝焊更加稳定。
Because of the difference of arc circuit, the welding process of twin-wire indirect arc gas shielded welding is more stable than single wire welding.
介绍了双丝单弧预热填丝焊的基本原理,以及双丝单弧预热填丝埋弧焊试验研究结果。
This article introduces the principle of double wire single arc preheating wire filling welding, and the test result of the double wire single arc preheating wire filling submerged arc welding.
超声波焊接是发达国家色带生产企业普遍采用的色带焊接方法,而国内企业均采用落后的电阻丝焊。
Ultrasonic welding for ribbon is widely used in developed countries, electric resistance welding is still used in China.
采用焊接热模拟试验方法研究了2219铝合金双丝焊热影响区的微观结构和力学性能的变化规律。
Microstructure and mechanical properties changing rules of 2219 Al-alloy HAZ (heat-affected zone) with twin wire welding were studied using welding thermal simulation method.
本文首先确定了双丝焊数字化电源的总体方案,设计了两台并行的IGBT全桥逆变主电路的拓扑结构。
A general design of digital twin-wire welding power supply was selected firstly, and two side-by-side IGBT full bridge converter main circuit structures were designed.
介绍汕头海湾大桥主缆缠丝所采用的氧-乙炔火焰钎接焊方法及其工艺,并对主缆缠丝焊接的难点进行了分析。
The method and technology of oxyacetylene flame braze welding for main cable wrapping at Shantou Bay Bridge were introduced, and the difficulties of the welding were analyzed.
两种模型的仿真结果与工艺试验结果比较表明,双椭球形热源模型比高斯热源模型更适合双丝焊的三维有限元分析。
The comparisons between the simulated results of two models and experiments show that double ellipsoidal model is better than Gaussian model on three-dimensional analysis.
论述了粗丝co2自动焊焊枪的设计原理,并对气流在焊炬中的流动情况和对熔池保护效果作了简要介绍。
In this paper, design principle on gun of automatic CO2 gas shielded welding with thick electrode is discussed.
双丝间接电弧气体保护焊是一种新的焊接方法。
Twin-wire indirect arc gas shielded welding is a new welding technology.
采用先进的双丝窄间隙埋弧焊设备和专用焊接工艺,成功地焊接了大厚壁高压蓄势器,质量检查全部合格。
An advanced double wires narrow gap SAW technique, equipment and special procedure have been used to weld high pressure storage tanks successfully with high quality welding joints.
此系统的硬件主要包括五个子系统,即:焊接电源、弧长控制器、送丝机构、焊矩行走机构和检测机构;
The hardware of the system comprises the five sub-systems, i. e. welding power source, arc length controller, welding wire feeder, welding head traveller and detector.
双丝间接电弧气体保护焊是一种新的焊接工艺。
The twin-wire indirect arc gas-shielded welding is a new welding technology.
本文针对高质量板材对接填丝激光焊的需要,设计了对缝间隙宽度检测的传感器与送丝控制系统。
To guarantee good quality of butt laser welding with filler wire, a gap width detecting sensor and a wire feeding system has been designed.
螺旋焊管是以带钢卷板为原材料,经常温挤压成型,以自动双丝双面埋弧焊工艺焊接而成的螺旋缝钢管。
Spiral welded pipe is a strip coil as raw material, often warm extrusion molding, to automatically double-wire submerged arc welding process double-sided spiral welded pipe joints.
压力管道TIG焊在焊接中焊道背部易出现缺陷,用反向送丝的方法成功地解决了这一问题。
It easy to occur defect on the back of bead in pressure pipe TIG welding, which can be solved by using the anti, direction wire feeding method successfully.
从其焊接设备的要求、 保护气体以及其熔滴过渡控制、焊接过程等几个方面,详细介绍双丝MAG焊的工艺及其特点。
This article illuminates the process and characteristic of double-wire MAG welding from requirements of welding machine, gas, metal transfer control and welding process.
双丝共熔池气体保护焊(TCGMAW)的熔滴过渡对焊缝成形以及焊接质量具有重要的影响。
The droplet transfer in the twin-wire co-pool gas-shielded metal arc welding(TCGMAW) process greatly affects the welding seam appearance and the welding quality.
建立了高强铝合金双丝MIG焊熔滴过渡高速摄像系统以及焊接参数采集系统,获取了不同工艺规范下的脉冲熔滴过渡形式。
The high-speed camera system and data acquisition system of welding parameters were created for tandem MIG welding of high strength aluminum alloy.
以振动送丝方式向熔滴施加附加机械力(能量)来实现恒定直流mag焊稳定射滴过渡是解决钢焊丝mag焊接工艺现存问题的有效途径。
It is an effective method to solve the existent problems in MAG welding of steel by injecting mechanical force to the metal droplet.
根据设备的技术要求设计了系统硬件和PLC应用软件,该系统已用于自制双丝电渣焊设备。
According to the specification of equipment, the hardware and PLC application software have been designed. This control system has been used in double wires electroslag welding.
然而,市售的H桥电机驱动模块主要针对低压电机而设计的,难以直接用于埋弧焊送丝电机的控制。
However, it is difficult that the commercial H-bridge motor driver module designed for low voltage motor is applied to wire-feed motor of SAW directly.
研究了一种新型的水下焊接系统。系统中弧焊电源输出阶梯型的外特性,送丝系统采用脉动送丝方式。
A new type of underwater welding system is studied, which includes an oscillating wire feed system and a welding power source with staircase external characteristic.
埋弧自动焊时,引燃电弧、焊接送丝、电弧沿焊接方向移动及焊接收尾等过程均可实现自动化控制。
Automatic control has been used in the ignition of electric arc, welding wire-feed, movement of arc along welding direction, receiving arc of welding, etc.
结果表明,双丝间接电弧气体保护焊在两丝端部形成电弧,其电弧本质仍然是气体放电的一种表现形式。
Results show that the arc was burning between the two wires in twin-wire indirect arc welding, and the arc was still a type of gas discharge in nature.
结果表明,双丝间接电弧气体保护焊在两丝端部形成电弧,其电弧本质仍然是气体放电的一种表现形式。
Results show that the arc was burning between the two wires in twin-wire indirect arc welding, and the arc was still a type of gas discharge in nature.
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