查询词典 tack line

The tack welding and interior/outerior welding can improve welding speed and quality, and control welding quality effectively

采用先预焊后内外焊的工艺，可在最佳位置实现焊接，焊接速度快、效率高，不易出现错边、焊偏和未焊透等缺陷，有效控制焊接质量

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。

50Mm ;Tack welding and the welding for tools and clamps shall be performed by qualified welders; and the welding procedure shall be the same as that of formal welding.

定位焊及工卡具的焊接，应由合格焊工担任，焊接工艺应与正式焊接相同，引弧和熄弧，应在坡口内或焊道上进行。

In the manufacturing of the special closing steel sheet pile,in order to reduce its deformation to a permissible flexure,methods of skip welding,tack welding and straightering by flame projection can be adopted.

异形钢板桩在加工时为减少钢板变形并保证其翘曲度和弯曲度，可采用跳焊、定位和火焰矫正等方法。

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。

Alternatively, the con- trollers can use the synchronous rectifier itself or loss- less inductor current-sensing methods to provide overload protection with lower power dissipation.

另外，康威特罗勒斯可以使用同步整流器本身或亏损减少电感电流检测方法，以提供低功耗过载保护。

Mr. Dauber's other Schatz hangs in his home movie studio.

多伯把沙兹的另一件作品挂在家里的电影室。