焊的

1 When thickness of the short pitch or long neck flange straight side of Type B doesn't equal to the cylinder thickness connected with it: If cylinder thickness is not larger than 10mm, and thickness difference with short pitch or long neck straight side is larger than 3mm; If cylinder thickness is larger than 10mm, and thickness difference with short pitch or long neck straight side is larger than 30% of the cylinder thickness or 5mm, Type B flange should take the slope value 1: 3, and the long neck flange should be thinned according to Chart 1, or have pile welding on the end of butt welding seam to achieve transition.

6.5.1 乙型法兰的短节厚度或长颈法兰的直边厚度与其相联接的圆筒厚度不等时：若圆筒厚度不大于10mm，且与短节或长颈直边厚度差超过3mm；若圆筒厚度大于10mm，且与短节或长颈直边厚度差大于圆筒厚度的30%或超过5mm时，乙型平焊法兰应按斜率1：3，长颈对焊法兰按图1虚线削薄，或者在对接焊缝的筒体端部按图2堆焊过渡。

Compared to prior art, the method effectively resolves disadvantage that polymer, which is generated by tetracarbon octafluoride, on side wall of the welding pad is more and not easy to be cleaned, reduces polymer generation on side wall of the welding pad by reducing concentration of the tetracarbon octafluoride and correspondingly adding carbon tetrafluoride.

与现有技术相比，本发明有效解决了由于八氟化四碳产生的聚合物较多而造成焊垫侧壁的聚合物不易被清洗的缺点，在不影响刻蚀效果的前提下适量降低八氟化四碳的浓度，而对应加入四氟化碳，有效减少在焊垫侧壁生成的聚合物，该聚合物更容易在后续清洗制程中清洗干净。

We have a well-trained technical staffs and experienced management team. There is a modern, dustlessness, air-conditionered workshop, which is equipped with more than 20 sets of auto Die bonding machines and Chip mounting machines, 20 sets of computer testing machines, and over 100 sets of other auto/semi-auto equipments. We also have the standard QA lab with professional testing machines, which can provide full reliability tests, such as high-low temperature, dropping, transportation, corrosion resistance, ability of solder, aging test. We provide guarantied and reliable products and services for all the clients

我们拥有一支高素质和丰富行业经验的技术与管理团队，拥有现代化的净化全空调生产车间，配置20余组全自动固晶机和焊线机，20余组全功能电脑检测装置，逾百组全/半自动的其他生产设备；同时我们还拥有完善的QA实验室设备和检测设备，可以提供完备的可靠性测试：高低温，跌落，运输，耐腐蚀性，可焊性和老化等等，为客户提供保障，可靠的产品和服务。

The welted joint, executed in this way, is a rapid means of jointing and effectively allows for expansion and contraction of the metal covering.

这种新方法需要一种专门的高效率的机械装置。对接坡口焊是一种连接迅速的施焊工艺，它可以有效地保证金属盖板的胀缩。实际上她已丧失了参加决赛的资格。

GoldenWorld Aluminium Co., Ltd which produces Mingbiao non-welding burglarproof decorating netted windows is a big and morden enterprise featuring rich experience and possessing advanced production equipments and people with excellent abilities. We have already got dozens of National patters. All these aliments ensure the high quality of our products.The first-made non-welding burglarproof decorating netted windows in China are welcome and praised by millions of people.

名标免焊百变装饰铝防盗网的生产厂家佛山市南海金世界铝制品有限公司，是一家现代化的大型企业，拥有一批世界先进一流的生产设备和高素质的人才，保证产品品质恒久稳定；拥有自主知识产权的十多项国家专利，其中国首创---免焊百变装饰铝防盗网上市以来，受到千家万户消费者的欢迎和赞赏。

Cheesed head studs for arc stud welding are largely applied in bridges, reinforced concrete for high buildings and industrial buildings, cover fixture of heave duty ships, boiler pipe welding, inserts fixture for boiler pipe and other special purposed containers.

电弧螺柱焊用圆柱头焊钉系列产品主要用于桥梁、高层建筑及工业厂房的钢-混凝土结构，大吨位船舶各种孔盖的固定，锅炉管道的螺柱连接、锅炉管道的散热及储罐、槽车等各种容器特殊衬里的固定。

ABSTRACT The research of metal transfer in metal gas arc welding is of great significance for the control of arc welding process and quality, the improvement of existing welding technology and the development of new welding equipment. With the powerful aid of welding arc spectrum which contains plenty of information of metal droplet transfer, this dissertation, which mainly aims at putting forward an effective detecting method with arc spectrum signal, has inspected the spectrum of metal gas welding arc and discovered their dynamic characteristics of each kind droplet transfer mode.

熔化极气体保护焊熔滴过渡的研究，对于焊接过程及质量控制、焊接工艺方法的改进和新型焊接设备的推出都具有重要意义，而熔化极气体保护焊电弧光谱中含有丰富的反映熔滴过渡的信息。

We study the Electro-slag Welding Technique and its equipments, and use different materials to do some experiments, at last, we find a new method to produce the box frame members.

电渣焊在我公司属于新的技术也是难点，在国内其他厂家借鉴的技术也十分有限，通过研究电渣焊技术和设备，用不同材料的反复试验，工艺的不断摸索，终于探索出一套制作箱形构件的方法。

Its main products include vacuum sinteringVPS series, vacuum brazing furnace VBF series, vacuum sintering furnace VSF series , vacuum sintering furnace with high temp VQS series, vacuum furnace of many continuous heating chambers with VTC model, vacuum gas quenching furnace high pressure VQG series , vacuum VPG series pressurized furnace with gas, vacuum brazing furnace VBF series, vacuum vertical furnace VUF series, vacuum annealing furnace VAF series, vacuum tempering furnace VTF series, directional orystal vacuum melting furnace VDC series, vacuum VIF series induction melting furnace, semi-continuous vacuum induction melting furnace SVIF series, vacuum VHT series stortage kettle, etc., all of which have been widely used in materials, metallurgy, machinery, electron, aviation and other fields the like.

目前公司的主要产品有VQS系列高温真空烧结炉、VPS系列真空烧结炉、VBF 系列真空铝钎焊炉、VQB 系列高温真空铝钎焊炉、VQG 系列高压气淬炉、VTC 系列多室连续真空烧结炉、VUF系列立式真空烧结炉、VAF 系列真空退火炉、VHF 系列真空热处理炉、VDC 系列定向结晶炉、SVIF系列半连续真空感应熔炼炉、HJX系列真空焊接箱、QF系列高真空气动挡板阀，GQ系列真空球阀等，产品广泛应用于材料，冶金、机械、电子、食品、航空等领域；对系列外的产品公司可以根据用户的具体情况进行非标设计；最大程度地满足用户的要求；公司对自产真空炉产品保修一年，终身维护；同时提供对外真空设备改造，技术支持，维护维修等服务。

The number of spot-weld of thin-walled punched structures of automobile has important impacts on the automotive manufacturing cost.In order to reduce the cost,topological optimization of the spot-weld is becoming a hotspot.

汽车薄壁冲压件的焊点数量是汽车制造成本的决定性因素，为了降低成本，焊点的拓扑优化逐渐成为人们关注的热点。

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％。