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Four-airfoil-type radio frequency quadrupole-field accelerator cavity hydrogen furnace brazing method

A technology of radio frequency quadrupole field and brazing method, which is applied in the direction of metal processing, welding equipment, metal processing equipment, etc., can solve the problems of affecting the manufacturing level of RFQ accelerator cavity, low welding success rate, and easy generation of waste products, etc., to achieve Increased success rate, small size and shape deformation, and good vacuum index

Active Publication Date: 2014-10-29
INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
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Problems solved by technology

At present, when the RFQ accelerator cavity is welded by conventional brazing methods, welding deformation is easy to occur, and the welding success rate is not high, which directly affects the manufacturing level of the RFQ accelerator cavity, and it is easy to produce waste products

Method used

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  • Four-airfoil-type radio frequency quadrupole-field accelerator cavity hydrogen furnace brazing method
  • Four-airfoil-type radio frequency quadrupole-field accelerator cavity hydrogen furnace brazing method

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Embodiment Construction

[0021] The principles and features of the present invention will be described below with reference to the accompanying drawings. The examples cited are only used to explain the present invention, and are not used to limit the scope of the present invention.

[0022] Such as figure 1 with 2 As shown, the four-wing type radio frequency quadrupole field accelerator cavity hydrogen furnace brazing method is characterized by including the following steps:

[0023] (1) Finish the inner and outer surfaces of the four-wing radio frequency quadrupole field accelerator cavity body, which is brazed by two horizontal single wings and two vertical single wings in a hydrogen furnace, to the required size; the accelerator cavity body The material is oxygen-free copper, the dimensions are 1050mm long, 390mm wide and 390mm high;

[0024] (2). Take out the two horizontal single wings that have been cleaned and fill the two horizontal electrode solder tanks with solder to ensure that the solder is not ...

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Abstract

The invention relates to the technical field of a new manufacturing process of hydrogen furnace brazing of a four-airfoil-type radio frequency quadrupole-field accelerator cavity, in particular to a four-airfoil-shape radio frequency quadrupole-field accelerator cavity hydrogen furnace brazing method. According to the method, during brazing, brazed parts are assembled and fixed so that mutual positions of the parts and welding gaps required during brazing can be guaranteed. A brazing clamp is used in the whole part brazing processes of fixing, assembling, entering a furnace, brazing and discharging out of the furnace, and whether the clamp is reasonable and practical influences brazing quality directly. After a brazing mode of a new fastening structure is adopted, the success rate of cavity welding is greatly increased, the resistance on the surface of the welded cavity is small, conductivity performance is good, stability is good, the appearance size is small, the shape is little changed, vacuum indexes are good, and the overall performance of the four-airfoil-shape radio frequency quadrupole-field (RFQ) accelerator cavity is improved.

Description

Technical field [0001] The invention relates to the technical field of a new hydrogen furnace brazing manufacturing process for a four-wing radio frequency quadrupole field accelerator cavity, in particular to a hydrogen furnace brazing method for a four-wing radio frequency quadrupole field accelerator cavity. Background technique [0002] The radio frequency quadrupole (RFQ) accelerator cavity is the core component of the RFQ linear accelerator, and its manufacturing level is one of the key factors affecting the performance parameters of the accelerator. Through the wave-shaped modulation lines on the four wings, a longitudinal electric field is generated on the beam center line of the cavity, thereby accelerating the beam. Its stability and reliability are very important to the accelerator. Therefore, whether the RFQ can be guaranteed through a good welding process The welding quality of the accelerator cavity is related to the stability and consistency of the cavity electric ...

Claims

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Application Information

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IPC IPC(8): B23K3/00B23K3/08
CPCB23K1/008B23K1/203B23K1/206B23K3/087B23K2101/36
Inventor 孙国平谢春安李学敏牛小强张小奇雷海亮王文进徐大宇王丰
Owner INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
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