tack welding

基本解釋

Double nuts, unti-loose washers, tack welding, etc. shall be used.
可採用雙螺母、防松動墊圈、點銲等。
A new seat ring, including a crimped in O-ring can easily be put back into place and secured there by tack welding the retainers.
新式閥座密封環(huán)，包括O形環(huán)內(nèi)的波紋可以輕松的放置到原有的位置，通過對固定環(huán)進行點銲來確保安全緊固。
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.
可能受到振動、波動載荷、沖擊載荷或動力載荷的內(nèi)部螺栓應(yīng)加以保護防止松動?？蓲裼秒p螺母、防松動墊圈、點銲等。
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short intermittent welds made to hold components in place before full welding is begun