翅片靠机械配合、粘结、软焊、硬焊、焊接或挤压附着在板上。
Fins are attached to the plates by a mechanical fit, gluing, soldering, brazing, welding, or extrusion.
选择软焊合金时应考虑其流动性、密封能力和导电性，此外？以提供光滑的加工表面。
Solder alloys are selected for their properties to flow, sealing ability, electrical conductivity, and for general body work to provide a smooth surface for finishing.
根据本发明，不含树脂的焊膏由一种金属粉末，特别是软焊料和一种凝胶体制成，其中，根据本发明的凝胶体在重熔金属粉末的过 程中，不在金属表面上留下残留物。
The invention relates to a nonresinous solder paste made of a metal powder, especially soft solder, and a gel which leaves no residues on the metal surface when the metal powder is melted down.
不带软铜编织线的磁保持继电器，负载引出脚不能锡焊，不能随意扳动，且不能同时刚性固定两个引出脚。
Not with braided line relay, the load pin can not solder, not arbitrarily wrenched, two pins and rigid fixation.
在与传统的弧焊电源控制比较的基础上，提出了一种软开关弧焊逆变电源的数字控制方案。
Compared with traditional control method, a digital control method of soft-switch arc welding power source is put forward.
介绍提高我国弧焊逆变电源可靠性的途径以及零电压、零电流软开关变换研究现状。
Ways to improve the reliability of arc welding inverter power and the research condition of zero voltage, zero current soft switch inverter are introduced.
实践表明，该新型结构的功率变压器可以成功的在50kva软开关埋弧焊逆变器中应用。
It is approved that the novel high frequency power transformer can be applied on 50kva soft-switching submerged arc welding inverter successfully.
介绍了弧焊逆变电源的软开关技术及其实现。
This article introduces the technology and realization of soft-switch arc welding inverter.
研制的谐振式软开关弧焊逆变电源，主电路采用新型LCL结构，控制系统选用恒频移相调脉宽控制方案。
The resonant soft switching inverter arc welding power source uses LCL type structure in the main circuit, and selects phase shifting pulse wide modulation technique in the control system.
近年来，以软开关为特征的逆变电阻焊电源更是以其体积小、重量轻、开关损耗少、功率因数高而备受重视。
In the past years, Inverter resistance welding power source with soft-switching technology has smaller volume, lower quality, higher efficiency.
给出了软开关弧焊逆变电源控制系统的硬件系统设计和软件系统设计。
This paper presents hardware and software design processes on control system of the soft-switching arc welding inverter power source.
提出了一种新的软开关逆变弧焊电源的设计方案，该方案基本上可实现空载、短路、燃弧全负载范围内的软开关状态。
This article introduces a new design plan of soft switch invert welding power source, which can almost get in soft switch state under no-load, short circuit or load.
软开关技术是解决逆变弧焊电源可靠性的核心技术。
Soft switching is the key technology to improve the reliability of inverter arc welding power.
建立了软开关逆变弧焊电源的传递函数，设计了电源外特性控制电路，得到了较理想的电源外特性。
The transition function of soft switching inverter arc power is developed. The control circuit of outer character of the power is designed as well. And an ideal outer character is obtained.
相对较软的其它两种焊盘上接合痕方向性特征不明显。
However, the directional features were unobvious for the other two pads with relatively softer surfaces.
本文还在此基础上设计了软开关逆变电阻焊电源主电路及控制电路：主电路选用全桥零电压零电流（FB-ZVZCS）阻焊电路，其中包括对主电路参数设计和计算；
Introduced a newly designed inverter resistance welding power on this basis, main circuit's topological structure adopt FB-ZVZCS, and do some work about the parameters design and calculate;
建立了软开关逆变弧焊电源的传递函数，设计了电源外特性控制电路，得到了较理想的电源外特性。
The transition function of soft switching inverter arc power is developed. The control circuit of outer character of the power is designed as well.
用途： 用途：适用低碳钢，不锈钢、铜软胶线等点焊和凸焊。
Usage: suitable for low carbon steel, stainless steel, copper soft glue wire etc spot and convex welding.
用途： 用途：适用低碳钢，不锈钢、铜软胶线等点焊和凸焊。
Usage: suitable for low carbon steel, stainless steel, copper soft glue wire etc spot and convex welding.
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