High-purity copper rotating target welding end head semi-automatic straightening method

Abstract

The invention discloses a high-purity copper rotating target welding end head semi-automatic straightening method. According to the high-purity copper rotating target welding end head semi-automatic straightening method, after a copper alloy tail cover is fixed to a rotating clamping device, the rotating clamping device is started to make a high-purity copper rotating target rotate, the straightness of a copper alloy end head is measured through a straightening measuring device, so that inner and outer straightening points and the straightening value are confirmed, the copper alloy end head isheated utilizing a heating device and is heated to a specified temperature, a semi-automatic straightening device is placed at the outer straightening point and abuts and jacks the outer straightening point, the straightening measuring device is placed at the inner straightening point, the semi-automatic straightening device is operated manually until the pointer moving value inside the straightening measuring device reaches the straightening value, heating of the heating device is stopped, the high-purity copper rotating target is cooled to the room temperature, and inspecting is performed on straightening of the high-purity copper rotating target until the straightening value is less than or equal to 0.3 mm. By means of the high-purity copper rotating target welding end head semi-automatic straightening method, a high-purity target material pipe does not deform, the straightening effect is good without rebounding, the straightening precision is high, and the finished product rate ishigh.

Description

technical field [0001] The invention relates to the technical field of high-purity rotary targets, in particular to a semi-automatic straightening method for welding ends of high-purity copper rotary targets. Background technique [0002] The high-purity copper target refers to the target made of metallic copper material with a purity of 99.99%. The high-purity copper rotating target refers to a tubular rotating target made of a target with a purity of 99.99%. It is used in cutting-edge fields such as electronics, communications, superconductivity, and aerospace. The rotating target is tubular, with high utilization efficiency, but it is not easy to process, and for some materials such as Al, Sn and Cu, etc., due to the poor strength of these metal materials, the tube is easy to bend and deform, and cannot be used directly as a target. It is necessary to install alloy ends made of hard alloys at both ends of the high-purity target tube, and then assemble and weld the alloy ...

AI Technical Summary

Problems solved by technology

[0003] However, when welding and assembling the alloy end and the high-purity target tube, the welding temperature is high, and the material of the high-purity target tube is soft, which is easily affected by high temperature, causing the high-purity target tube and the alloy end to be relatively skewed or bent Deformation, straightness does not meet the requirements for use

[0004] When testing the straightness of high-purity target tubes, it is necessary to fix and rotate the high-purity target tubes. The fixture device in the existing detection alignment machine is directly clamped on the high-purity target tubes. Due to some metal The strength of the material is poor, and it is easy to squeeze and deform the high-purity target tube

Even when straightening, the straightening device is used to directly squeeze the high-purity rotating target, and the straightening is prone to excessive bending or excessive deformation. It is necessary to repeatedly squeeze and straighten the alloy end. The high-purity target tube susceptible to damage;

[0005] In addition, it is currently impossible to use fully automatic equipment to straighten high-purity copper rotating targets, because fully automatic straightening equipment must have detectors or sensors, and receive information from detectors or sensors through the control unit (circuit), and then control the calibration. The straightening mechanism produces the corresponding straightening displacement. The measurement results or correction values ​​of automatic straightening need to be transmitted, calculated and fed back through the circuit. There is also an action reaction time for the straightening mechanism to generate corresponding actions after the structure reaches the control command. Therefore, there must be a certain hysteresis in automatic alignment. This hysteresis will cause excessive pressure on the high-purity copper target tube during the alignment process, and the copper alloy end will be excessively bent or deformed relative to the high-purity copper rotating target.

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