1) low heat input welding
低热输入焊接法
1.
For the need of the low heat input welding,authors designed the special welding wire motion and current wave.
根据低热输入焊接法的需要,设计了特殊的焊丝运动形式,配合专门设计的电流波形,通过A/D采样及校正、软件变参数积分分离的PI调节、D/A转换器等对输出的焊接参数进行了精确控制,实现了对焊接电流输出波形的准确控制。
2) heat input
焊接热输入
1.
The variety regulations between the toughness of coarse grained region for 4 kinds X80 high property pipeline steels and welding heat input number were studied by welding thermal simulation technique,optics and TEM as well as impact toughness test.
利用焊接热模拟技术、光学金相、透射电镜和冲击试验,研究了4种X80高性能管线钢焊接粗晶区韧性随焊接热输入的变化规律。
2.
Performances of welded joints produced at different heat input were tested in NACE solution for HIC study of the16MnR steel.
研究了不同焊接热输入下16MnR钢焊接接头在NACE溶液中的抗氢致开裂(HIC)性能。
3.
The results show that the zinc coating can stabilize the arc as the plasma cathode during welding with lower current,but with the rise of the welding current the zinc coating will vaporize acutely,which make the arc edge ascend,and the contact area between the arc and the workpiece is lessened to reduce the heat input,which reduces the thickness of the interfacial brittle compounds.
结果表明,小电流焊接时,镀锌层可以作为等离子体阴极,起到稳定电弧的作用,而在无镀锌层条件下,电弧的阴极斑点不停地跳跃,电弧极其不稳;随着焊接电流的增大,在镀锌钢板上焊接时,由于镀锌层的蒸发变得十分剧烈,这种蒸发行为也使得在镀锌钢板上焊接时的电弧的边缘上翘,减小了电弧与工件的接触面积,进而降低了焊接热输入,减小了界面脆性化合物层的厚度。
3) welding heat input
焊接热输入
1.
For metal-inert gas/metal-active gas arc welding (MIG/MAG), the welding heat inputincludes the arc heat flux on the surface of workpiece and the volumetric distribution of droplets heat contentwithin the weldpool.
MIG／MAG焊接热输入包括焊接电弧热流和熔滴带入熔他的热熔量两部分，本文以作者提出的焊接热输入分布模型为基础，建立了熔池流场和温度场的数值分析模型，采用数值模拟技术研究了焊接热输入对HQ130钢焊接热影响区（HAZ）组织和硬度的影响规律，给出了不同焊接热输入时HAZ不同部位奥氏体晶粒尺寸及组织和硬度的计算结果，实验表明，HQ130钢焊接热循环及HAZ组织、硬度的计算值和实测值吻合良
4) low energy input welding
低能量输入焊接法
5) critical heat of welding input
临界焊接热输入
1.
According to the criterion that the interface temperature should be lower than the critical temperature, the critical heat of welding input could be determined by the theory of heat process.
以结构过渡接头界面温度低于临界温度为准则 ,用焊接热过程理论确定临界焊接热输入 ,为结构过渡接头与上层建筑及主船体焊接工艺参数的计算确定提供依据 ;计算确定的焊接工艺参数 ,保证结构过渡接头焊后具有爆炸复合的原有性能。
6) high heat input welding
大热输入量焊接
1.
Study on the weldability of oil storage tank steel 610D with high heat input welding;
610D石油储罐钢板大热输入量焊接性能分析
补充资料：低热
低热
low?grade fever
致热原作用于体温调节中枢，或体温中枢本身功能紊乱，致体温超出正常范围，在37.4～38.0℃之间。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条