| 释义 |
tack welding 英/ t?k ?weld?? / 美/ t?k ?weld?? / - 点焊：一种用于暂时固定金属工件的焊接方法，通过在工件上进行短暂的焊接，以便进行后续的完整焊接。
1 ?点焊 ... tack on 附添；粗缝 tack welding 点焊，平头焊接 bar tack 讨价还价；打枣（一个工种名称）；加固套结 ... 2 ?平头焊接 ... T-fillet weld丁字接头角焊缝 tack weld定位焊点; 定位焊缝; 临时点焊; 预焊; 平头焊接 tack welding 平头焊接, 点焊 ... 3 ?定位点焊 ... 定位,[定位]点焊,帆前下角索 tacking 定位点焊 tack welding (or tacking) 定位工具 setting tool ... 4 ?点固焊 ... 焊前预热 pre-heating of welding pieces 点固焊 tack welding 施焊 welding ...
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Assemble and fit metal sections and plates to form complete units or subunits using tack welding, bolting, riveting or other methods. 采用点焊，螺栓，铆接或其他方法，组装金属型材和板，以形成完整的单元组或亚单元组。 - 2
Besides, centering and tack welding by laser beam should be avoided as centering point and tack-welding point can influence weld quality largely. 但焊缝质量受激光对中点和点焊点的影响很大，应尽量避免采用激光对中及点焊。 - 3
Internal bolts subject to vibration, fluctuating load, impact load or dynamic load shall be protected against loosening. Double nuts, unti-loose washers, tack welding, etc. shall be used. 可能受到振动、波动载荷、冲击载荷或动力载荷的内部螺栓应加以保护防止松动。可采用双螺母、防松动垫圈、点焊等。
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