查询词典 tack

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

Figure 5. Crack in a Tack Weld

图 5。在点焊处的裂纹

I first tack weld it at several places, then I go around it with the first weld to secure the base firmly.

我第一次钉焊接在几个地方，那么我周围去的第一个焊接，以确保基础牢固。

11 Tack weld shall be the same with welding process of formal welding.

7.2.11 定位焊应与正式焊接的焊接工艺相同。

Thiscondition can occur in any weld bead depression, but it is more likely to occur in the end of abead, especially a tack weld.

该情况可能发生在任何焊珠凹陷中，但其最可能发生在焊珠的末端，特别是点焊。

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。

Again, hold the programming header pins with your hand and tack the first pin.

再次，举行编程头管脚与你的手和钉的第一针。

Show your support for the fight against Breast Cancer with our All Crystal Pink Ribbon tack pin.

显示您的支持抗击乳腺癌与我们所有的水晶粉红丝带钉针。

The population of this village increased sevenfold in the past 100 years.

在过去100年里，这个村庄的人口增长了七倍。

In the study of facility layout,the paper designs the improvement of operations process for BGI lighting louver light workshop.

本文从工艺流程改进的角度研究设施与布局，对百家丽照明电器格栅车间进行改善设计。