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Machining process of copper pipe for ultrathin-walled air conditioner

A process flow and technology of copper tubes, which are applied in the field of processing process of copper tubes for ultra-thin-walled air conditioners, can solve the problems of further improvement in the thinning of copper tubes, and achieve excellent processing processes, good surface quality, The effect of high pass rate

Inactive Publication Date: 2015-06-24
SHINAN BRANCH OF QINGDAO BLUEPRINT CULTURE COMM
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Problems solved by technology

Due to the limitations of the production process, the thermal conductivity and thin-wall of the existing copper tubes need to be further improved

Method used

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  • Machining process of copper pipe for ultrathin-walled air conditioner

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Embodiment Construction

[0015] Below in conjunction with accompanying drawing and example the present invention will be further described:

[0016] like figure 1 Shown, a kind of processing technological flow of ultra-thin-wall air-conditioning copper tube, it is characterized in that, the steps of described processing technological flow are as follows:

[0017] a) Melting and casting: Add high-purity cathode copper plates with a raw material of more than 99.95% into the casting furnace, rely on high-frequency electromagnetic heating to melt the copper plates, keep charcoal covering during the casting process, and add phosphor copper according to the ratio; carry out continuous casting, and the casting temperature is 1075± At 5°C, a copper tube blank of Φ90×8000mm was prepared;

[0018] b) Face milling: mill the oxide skin on the surface of the copper tube billet with a milling cutter;

[0019] c) Rolling: Put the Φ90×8000mm copper tube blank into the core head, push it into the three-roll planetar...

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Abstract

The invention relates to a machining process, in particular to a machining process of a copper pipe for an ultrathin-walled air conditioner. The machining process includes casting, surface milling, planetary rolling, combined drawing, bull block drawing, finishing, annealing and packaging. The machining process is short in operation flow, high in automation level and excellent, and produced copper pipes are thin in walls, good in surface quality, low in impurity content and high in yield.

Description

technical field [0001] The invention relates to a processing process flow, in particular to a processing process flow of an ultra-thin-walled copper tube for an air conditioner. Background technique [0002] With the progress of society and the continuous improvement of people's income level, the use of air conditioners has become more and more popular. Copper tubes, as the main components of air-conditioning and refrigeration systems, have higher and higher requirements for production and processing, especially the ultra-thin-walled copper tubes are light in weight and high in efficiency, which can meet the development needs of miniaturization, economy, and high energy efficiency of air conditioners. Due to the limitation of the production process, the thermal conductivity and thin wall of the existing copper tubes need to be further improved. Contents of the invention [0003] The present invention aims to study and solve the above problems, and provides a process flow ...

Claims

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Application Information

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IPC IPC(8): B23P15/00
CPCB23P15/00B21C37/06
Inventor 王海伟郇文杰
Owner SHINAN BRANCH OF QINGDAO BLUEPRINT CULTURE COMM
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