查询词典 tack welding

The main production and processing all kinds of wire mesh handicrafts,°, bending, filters, wire mesh, etc. Hemming processing, welding, spot welding, roll welding, roll round reel.

主要生产加工各种丝网工艺品、剪板、折弯、滤器、包边等丝网深加工、氩弧焊、点焊、滚焊、卷圆、卷筒。

According to the construction characteristics and technical requirements of offshore platforms and based on the welding method of self-protection flux cored wire, CNPC Research Institute of Engineering Technology has developed the whole set of special automatic transverse welding equipment and welding process.

中国石油集团工程技术研究院结合海洋平台的施工特点和技术要求，以自保护药芯焊丝焊接方法为基础，研究开发出专用的自动横焊成套设备及其焊接工艺。

Preheating shall also be applied to the tack welding, when the weldment requires preheating.

c 需要预热的焊件，定位焊时也应按规定进行预热。

Weld the inside longitudinal seam of the tack welded pipe with fixed welding heads by moving the pipe.

采用纵列四丝埋弧焊在钢管内侧进行焊接，工件移动，焊头固定的焊接方式，有利于焊接质量的控制。

Double nuts, unti-loose washers, tack welding, etc.

可采用双螺母、防松动垫圈、点焊等。

Assemble and fit metal sections and plates to form complete units or subunits using tack welding, bolting, riveting or other methods

通过点焊、螺栓连接。铆接或其他方法，组装和安装金属部件和金属板，组成整个构建或次部件。

When the weldment of low alloy high strength Cr-Ni steel, Co-Mo-V steel and low alloy steelσs≥392N/mm2 are assembled, tack welding in the groove should be avoided and the mechanical fixture should be used as much as possible.

5.4.8 在装配低合金高强度镍铬钢、镍钼钒钢及δs＞392N/mm2低合金钢焊材时，应尽量避免在坡口内定位焊，并尽量采用机械夹具装配固定。

Study engineering drawings and blueprints, determine the materials required, and plan the sequence of tasks to cut metal most efficiently · Construct patterns and templates as guides for layouts · Lay out reference points and patterns on heavy metal according to component specifications · Rig, hoist and move materials to storage areas or within worksite · Assemble and fit metal sections and plates to form complete units or subunits using tack welding, bolting, riveting or other methods · Set up and operate various heavy-duty metal-working machines such as brake presses, shears, cutting torches, grinders and drills, including computer numerical control equipment, to bend, cut, form, punch, drill or otherwise form heavy-metal components · Install fabricated components in final product.

研究机械制图和图纸，决定所需材料，并计划工作顺序，有效地切割金属。 2。构建模式和模板作为布局向导 3。按照组件规格在重金属上设计参考点和模型 4。装备、起重机和运输材料入库或在工地场内 5。组装和安装金属部件和板材形成全套装置，或通过点焊、螺栓连接，铆接法或其他方法形成次单元。 6。建立并操作各种重金属加工机床，例如压弯机、剪床、割炬、磨钻机，包括数控设备，压弯、切割、成型、打洞、钻孔，或相反形成重金属组件。 7。在成品上安装已制造好的组件 Structural metal and platework fabricators and fitters 结构金属和板金加工制造工和安装工

If changing the position or method of grounding doesn't correct the problem, the porosity can usually be eliminated by placing a one-inch tack weld at the finish before welding the seam.

如果改变接地的位置和方法还不能解决这个问题，我们可以在焊接这前在尾部增加一块收弧板这个问题就可以排除了。

The above-described methods can be extended to other power source CO〓 welding machine and other welding methods.

但存在飞溅较大、成形较差的缺点，从而制约了它的进一步推广和应用。

We got alerted a couple of times while we were down south that HETs were on the way to bring us back up north because things were going to go hot again, but it was just rumors.

南下的途中我们不只一次得到警告说重型装备运输车将拉着我们重新北上，因为局势正在变得重新紧张起来，但这只是谣传。

It's the one where they find the ghost in the salt mine.

这一集是演他们在盐矿找到鬼