Welding method of four-wing octagonal radio frequency quadrupole cavity

A radio frequency quadrupole field, welding method technology, applied in welding equipment, metal processing equipment, manufacturing tools, etc., can solve problems such as high-voltage ignition, and achieve the effect of improving quality, reducing outflow, and excellent welding

Inactive Publication Date: 2017-07-14
上海克林技术开发有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The object of the present invention is to overcome the defect in the prior art, provide a kind of welding method of four-winged octagonal radio frequency quadrupole field accelerator cavity, the radio frequency quadrupole field acc

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  • Welding method of four-wing octagonal radio frequency quadrupole cavity
  • Welding method of four-wing octagonal radio frequency quadrupole cavity
  • Welding method of four-wing octagonal radio frequency quadrupole cavity

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Embodiment Construction

[0032] The specific implementation manners of the present invention will be further described below in conjunction with the drawings and examples. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0033] Such as figure 1 with figure 2 As shown, the side shape of the radio frequency quadrupole field accelerator cavity welded by the method of the present invention is an octagon, and the cavity includes an electrode 1 and a flank 2, wherein the electrode 1 includes two horizontal electrodes and two vertical electrodes, and the flank The number of 2 is four pieces; each electrode 1 is provided with an electrode solder tank 4 on both sides of each electrode 1, and the electrode solder tank 4 is loaded with an alloy filling material for welding, and the contact surface between the electrode 1 and the flank 2 is the welding surface 3. The size of the ele...

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Abstract

The invention relates to a welding method of a four-wing octagonal radio frequency quadrupole cavity. The welding method includes the steps that finish machining is conducted on the inner surfaces and the outer surfaces of electrodes and side wings; the electrodes and the side walls are cleaned; electrode soldering flux tanks are arranged, and soldering flux filling is conducted; the electrodes and the side wings are combined and spliced; the assembling gap of welding faces is measured and regulated; and a vacuum cavity is formed by welding the electrodes and the side wings through a vacuum brazing furnace. The cavity prepared through the method mentioned above comprises the horizontal electrodes, the vertical electrodes and the side wings; and the corresponding electrode soldering flux tanks are arranged on the two sides of each electrode, the soldering flux tanks are filled with silver-copper alloy soldering flux, and the size of the soldering flux welding tanks is regulated according to the size of the welding faces. The welding method has the beneficial effects that the welding process is simple; by selecting the soldering flux and controlling the temperature of the welding process, outflow of the soldering flux towards the interior of the cavity is reduced to a great extent, and the soldering flux is uniformly diffused; and no soldering flux exits in the cavity, the problem that high-pressure ignition is generated when the RFQ cavity operates at a high frequency can be solved, and normal operation of the RFQ cavity is ensured.

Description

technical field [0001] The invention relates to the technical field of manufacturing technology of products in the high-frequency technical field, in particular to a welding method for a cavity of a four-winged octagonal radio frequency quadrupole field accelerator. Background technique [0002] The radio frequency quadrupole (Radio Frequency Quadrupole, RFQ) accelerator cavity is the core component of the RFQ linear accelerator, and its manufacturing level is one of the keys that affect the performance parameters of the accelerator. Through the wavy 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, can RFQ be guaranteed through a good welding process? The welding quality of the accelerator cavity is directly related to the stability and consistency of the resonant frequency of the electric field of...

Claims

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Application Information

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IPC IPC(8): B23K1/008B23K1/20
CPCB23K1/008B23K1/0008B23K1/20B23K1/206
Inventor 张红辉庄焰张帆吴国兴
Owner 上海克林技术开发有限公司
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