直径120毫米万向波纹管机械偏移器的特点是通径大,气阻小,机械偏移调节灵活。在大功率电子加速器中作机械对中用,以保证电子束打在扫描窗的中心(即靶子中心)。它的结构形状如图1所示。图2、图3和图4为波纹管和上下法兰的结构示意图。本文叙述了直径120毫米万向机械偏移器钎接工艺,用真空钎焊使产品在外观质量和真空气密性上都获得了满意的结果。该产品已成功地用于2兆伏、10毫安的大功率电子加速器中。一、钎接工艺过程 Diameter 120 mm universal corrugated pipe mechanical shift is characterized by large diameter, small resistance, flexible mechanical offset adjustment. In the high-power electron accelerator for mechanical alignment, to ensure that the electron beam hit the center of the scan window (ie target center). Its structure and shape shown in Figure 1. Figure 2, Figure 3 and Figure 4 for the bellows and the upper and lower flange structure diagram. This paper describes the diameter of 120 mm universal mechanical shifter brazing process, the use of vacuum brazing products in the appearance of the quality and vacuum tightness obtained satisfactory results. The product has been successfully used in 2 MV, 10 mA high-power electron accelerator. First, brazing process