可焊的

It can effectively prevent cracking,by analyzing the chemical and mechanical pefformanee of this clad plate,carrying on the non-standard highest hardness test,metallographic analysis and simulation welding test,and using 890 ℃×4 h preweht air-cool heat treatment,postweld 250 ℃×2 h hydrogen removal heat treatment and final 620

通过分析该复合管板的化学成分和机械性能，并进行了非标准的最高硬度试验、金相分析和模拟试焊，采用890℃×4h焊前空冷热处理、焊后250℃×2h消氧热处理以及最终620℃×4h退火热处理措施，可有效防止裂纹产生。

Focusing on the normal inverter's dynamic characteristics which can not satisfy the requirement of reducing current quickly before the time of rupturing of the bridge, a new current wave controlling method for short circuit transfer CO 2 welding using satiable inductor is put forward in this paper.

本文针对普通CO2焊逆变电源的动态性能不能满足短路过渡CO2焊波控方法的要求，焊接电源难以实现在液桥爆断前迅速减小电流的问题，提出了一种在波控方法中采用可饱和电感作为CO2逆变焊机续流电感的方案。

The cathode phenomena in hollow cathode arc discharge in vacuum wereinvestigated systematically. The influence of welding parameters on active zone ofhollow cathode , arc appearance and voltage-ampere curve was investigated.

小电流的发散态电弧能量密度低，柔性大，可作为局部加热热源进行真空钎焊；大电流的可作为理想的熔焊热源，进行各种难熔易氧化金属在真空条件下的高质量焊接。

Many leading cleaning chemistries clean the majority of the flux packages, but some are incompatible with the flux chemistry.

许多主流的清洗剂可清洗大部分焊剂，但却与某些焊剂在化学成分上相互冲突。

IF2005M, is the basis of the No Residue Technology, is a flux chemistry that completely evaporates during the soldering process eliminating all problems involved with cleaning or rosins IF2005M is one of the first no clean fluxes ever approved according to MIL-F-14256F and has now a real field experience in high sensitive electronic environments for more than 10 years. The performance on pretinned, bare copper and organic coated surface is excellent.

IF2005M免清洗助焊剂，是免清洗技术的经典之作，它是一种在焊接过程中可以完全挥发掉的助焊剂，从而可免除清洗工序，并解决了传统松香型助焊剂所产生的全部问题，IF2005M是首批通过美国军标MIL-F-14256F认证的环保型助焊剂之一，在对环境比较敏感的电子领域已有十几年被应用的历史，实践证明，它在镀锡、裸铜以及有机涂层的表面性能上有极佳的表现

Increasing the welding voltage and decreasing the specimen thickness led to a decrease in the breaking susceptibility of cast Ti joint.

增加焊接电压及减少焊件厚度可降低铸造纯钛焊件的破断敏感度。

Production of the Product has: Programmable constant temperature and humidity box, low-temperature chamber, oven, heat aging test chamber, salt spray test machine, drop test machine, tensile testing machine, testing machine with the current swing, elongation test machines, filling magnetic machines, shielding Net room, wave soldering, reflow, assembly line, such as environment, quality inspection equipment and production equipment, while custom-made a variety of unconventional instruments.

生产部的产品有：可程式恒温恒湿箱、低温试验箱、烤箱、热老化试验箱、盐雾试验机、跌落试验机，拉力试验机、带电流摇摆试验机、伸长力测试机、充磁机、屏蔽网房、波峰焊、回流焊、流水线等环境、质检仪器和生产设备，同时定做各种非常规仪器。

The DC400 style medical centered welding torches as well as various parts produced in the latte half of 1996 can be equipped with Lincoln welding machines, Miller welding machines, wire-sending machines and Welding torches alternatively.

红星人起始观察焊接技术与市场发展动向，充分利用人才，采用数控加工跟踪国际先进工艺，严格质量管理，持续改进，不断更新，在1996年下半年生产的 DC400型药芯焊枪及各种配件可与林肯焊机、米勒焊机、送丝机、焊枪互换配套使用。

Can be cut 1mm-60mm thick, plasma cutting machine, oxyacetylene cutting machine, dc welding machine, welding, gas welding, arc welding of carbon dioxide and other auxiliary equipment.

可割1mm-60mm厚的等离子切割机，氧乙炔切割机，直流氩弧焊机，电焊，气焊，二氧化碳保护焊等辅助设备。

It is suitable to be used as filling material for oxygen-acetylene gas welding and carbon arc welding, and also for manual braze welding. It is the ideal material for welding of copper alloy, copper, gray cast iron and hard alloy knife and etc.

HS221 JIS ZYCusN 适用于氧-乙炔气焊及碳弧焊时作为填充材料，也可用于钎焊，是铜合金、钢、灰铸铁及硬质合金刀具等焊接材料中较为理想的焊接材料。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐