Device for preparing small-diameter metal single crystal wire
A small-diameter, metal technology, applied in the field of devices for preparing small-diameter metal single crystal wires, can solve the problems of interruption of production, mismatch of feeding speed and discharge speed, etc., to reduce production costs, facilitate axis alignment, and ensure continuous production. sexual effect
Inactive Publication Date: 2016-04-06
XIAN TECH UNIV
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Problems solved by technology
[0005] The purpose of the present invention is to provide a device for preparing small-diameter metal single crystal wires, so as to solve the technical problem of interrupting production due to the mismatch between the feeding speed and the discharging speed existing in the prior art
Method used
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specific Embodiment
[0028] A specific example is provided below: the preparation of Φ2mm single crystal copper wire rod:
[0029] a) Prepare a graphite crucible with a diversion opening of Φ2mm and a condenser with an inner diameter of Φ2mm, and install each component according to the above method.
[0030] b) Start the induction heating system to heat the graphite crucible to about 1300 degrees, start the feeding system, and continuously feed the Φ6mm oxygen-free copper rod into the crucible at a speed of 30mm / min for melting.
[0031] c) After feeding the material for 4 minutes, start the traction system to slowly pull out the seed wire. Slowly adjust the wire drawing speed to a predetermined speed of 100mm / min, and adjust the feeding speed to 11mm / min, so that the feeding and pulling speeds match each other.
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The invention discloses a device for manufacturing a small-diameter metal single-crystal wire. The device comprises a feeding end water cooling copper mold, a discharging end water cooling copper mold, a quartz tube, a heating device and a cold finger. An internally-arranged solid and liquid conversion device is composed of a graphite block, a crucible and the cold finger. One end of the graphite block is fixed to the inner side of the feeding end water cooling copper mold in an embedded mode, and the other end of the graphite block is connected with the open end of the crucible. The graphite block and the feeding end water cooling copper mold are internally and horizontally provided with a through feeding through hole which is communicated with an inner cavity of the crucible, and an overflow opening is formed in the upper portion of the crucible. The eccentric position of the sealed end of the crucible is provided with a forming guide pipe communicated with the inner cavity of the crucible in an extending mode, the guide pipe is communicated with one end of the cold finger, and the other end of the cold finger is fixed to the inner side of the discharging end water cooling copper mold in an embedded mode. The discharging end water cooling copper mold is internally and horizontally provided with a discharging through hole which is communicated with the cold finger, and the discharging through hole is lower than the feeding through hole. The device solves the technical problem of interruption of production due to the fact that the feeding speed and the discharging speed are not matched in the production process.
Description
technical field [0001] The invention belongs to the technical field of thermal continuous casting, and mainly relates to the preparation technology of pure metal single crystal wires, in particular to a device for preparing small diameter metal single crystal wires. Background technique [0002] With the rapid development of electronic industry and communication technology, higher and higher requirements are put forward for the performance of conductor metal. Single crystal metal wire has no grain boundary, high purity, good plasticity, conductivity and high-fidelity signal transmission performance. , can be used to manufacture high-fidelity communication equipment, equipment and high-quality transmission cables, and has broad application prospects in the fields of electronics, communications, networks, audio, and video. [0003] Using hot continuous casting technology, castings with beautiful appearance and good internal quality can be produced, which is the main method for...
Claims
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IPC IPC(8): B22D11/14B22D11/10
Inventor 李炳范新会王鑫杨珂陈建
Owner XIAN TECH UNIV