[焊接标准]JB 4708-2000 英文版 钢制压力容器焊接工艺评定.pdf,本英文版为内部资料,仅供参考,以中文 版为准。 The Chinese version of standards has precedence to their English translations which are only for internal reference. 中华人民共和国行业标准 Industria
Complete cylinder base girth automatic welding. To ensure concentricity, uniform forming, good appearance, weld penetration and weld width meet the technological requirements, the clamping is convenient. CO2 gas shield welding process, complete in one time welding. ...
The exhaust pipes 1, 2 can be rotated around an axis coinciding with a straight line for linking cushions 8 facing in the diagonal line direction. Therefore, large vibration can be withstood, noise can be damped, and sufficient large mechanical strength is provided. 展开 ...
Stress relieving to remove machining stresses should be carried out by heating to 650oC, holding for one hour at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment. Hardening Harden from a temperature of 1000-1040oC followed b...
PURPOSE:To prevent charging at the time of exposure without lowering the strength of the holding frame of an X-ray mask structure and thermal stability by ... 千葉 啓子 被引量: 0发表: 2001年 3D Global Estimation and Augmented Reality Visualization of Intra-operative X-ray Dose The growing ...