Method for manufacturing high-precision single vane of four-vane radio frequency quadrupole field cavity

A technology of a radio frequency quadrupole field and a manufacturing method, which is applied to the manufacturing field of a high-precision single-wing of a four-wing radio frequency quadrupole field cavity, can solve the problems of low precision, poor consistency of the single-wing, affecting the manufacturing level of the RFQ single-wing, etc. To achieve the effect of high surface finish and high precision
CN104128752AActive Publication Date: 2014-11-05INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
Publication Date
2014-11-05

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Abstract

The invention relates to the technical field of manufacturing of core parts of a linear accelerator four-vane radio frequency quadrupole field cavity, in particular to a method for manufacturing a high-precision single vane of a four-vane radio frequency quadrupole field cavity. The method comprises the steps that a water-cooling hole is drilled in the bottom of the single vane by means of a deep hole drill machine tool; semifinishing is conducted by means of tools, finish machining is conducted on the inner cavity surface of the single vane by means of an end mill at the vertical machining centre, and alignment of the single vane is conducted at the horizontal machining centre by means of a lever-type dial indicator; the pole surface of the single vane is machined by means of a forming tool special for semifinishing, and then rough machining of the pole curved surface is conducted by means of the semifinishing tool; a modulation line of a pole of the single vane is machined by means of a tool special for finish machining, and the machining precision of the modulation line of the single vane is detected by means of a three-coordinate measuring instrument; finally, surface acid pickling is conducted on all the single vanes. The single vane manufactured with the method is high in precision and surface smoothness, and the field frequency stability, field flatness and field symmetry degree of online measurement after assembly are high and extremely identical with theoretical values.
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Description

technical field

[0001] The invention relates to the technical field of manufacturing technology of core components of a four-wing radio frequency quadrupole field cavity of a linear accelerator, in particular to a high-precision single-wing manufacturing method of a four-wing radio frequency quadrupole field cavity. Background technique

[0002] The manufacturing level of the high-precision single wing of the radio frequency quadrupole (Radio Frequency Quadrupole, RFQ) cavity is one of the key factors affecting the performance parameters of the four-wing RFQ cavity. The RFQ cavity is brazed by two horizontal single-wings and two vertical single-wings. The shape of the high-precision single-wing pole head of the RFQ cavity is a wavy modulation line. , two relative single-wing crests to crests or troughs to troughs. The four single wings installed in this way form a cavity, and a longitudinal electric field is generated on the beam center line of the cavity to accelerate the ...

Claims

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