D-type copper tube machining method and D-type copper tubes
A processing method and D-type technology are applied in the processing of D-type copper pipes and the field of D-type copper pipes, which can solve the problems of complex processing methods and low processing efficiency, and achieve the effect of high processing efficiency and simple process.
Inactive Publication Date: 2015-12-16
HEBEI OUTONG NONE FERROUS METAL PROD
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[0003] In the prior art, the typical processing and manufacturing methods of D-type copper pipes, such as the patent No. CN101239361B: melting and casting, heating, extrusion, finishing, pickling, inspection, head making, stretching, straightening, cutting, Cleaning, finishing, inspection, warehousing; the extrusion process and drawing process are: using transitional similar D-shaped tube extrusion and transitional similar D-shaped tube stretching and finished product stretching to replace the previous round copper Extrusion and stretching process methods in pipe processing; the processing object is a single copper pipe, and the processing method is complicated so that the processing efficiency is low
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[0023] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0024] The invention provides a kind of processing method of D type copper pipe, comprises the following steps:
[0025] Step 1: Prepare as figure 1 For the solid copper plate shown, the length of the copper plate 1 is not less than the length of the D-shaped copper tube 4, the thickness of the copper plate 1 is not less than the diameter of the D-shaped copper tube 4, and the thickness of the copper plate is the vertical distance between the upper and lower surfaces of the copper plate (see figure 1 , the thickness of the copper plate 1 is the vertical distance between the upper surface 2 of t...
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The invention provides a D-type copper tube machining method and D-type copper tubes. The D-type copper tube machining method is characterized by including the following steps that a solid copper plate is prepared; a row of D-type holes which are through in the length direction and arrayed in the transverse direction are manufactured in the copper plate by adopting an extrusion technology, and the D-type hole row comprises N pairs of D-type holes; arc-shaped outer side faces of the D-type tubes are manufactured by adopting a cutting technology in the upper surface and the lower surface of the copper plate to obtain N pairs of D-type copper tubes, and each pair of D-type copper tubes comprises two flat D-type copper tubes with the outer side faces connected integrally; each pair of D-type copper tubes is cut along the symmetric center of the two D-type copper tubes to obtain 2N D-type copper tubes. By the adoption of the method, multiple D-type copper tubes can be machined at the same time, and the machining efficiency is high.
Description
technical field [0001] The invention belongs to the field of nonferrous metal processing, and in particular relates to a processing method of a D-shaped copper tube and the D-shaped copper tube. Background technique [0002] D-type copper pipes are used in high-voltage power transmission and transformation and high-voltage power grids. They have the advantages of cross-regional, large-capacity, long-distance, and low-loss power transmission. Therefore, the application of D-type copper pipes can save line corridors and reduce the price of transmission unit capacity. At the same time, it also reduces the transportation cost, which is very meaningful in the current situation of China's energy shortage. [0003] In the prior art, the typical processing and manufacturing methods of D-type copper pipes, such as the patent No. CN101239361B: melting and casting, heating, extrusion, finishing, pickling, inspection, head making, stretching, straightening, cutting, Cleaning, finishing...
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IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 刘慧选鲍龙君杨建坤李建文
Owner HEBEI OUTONG NONE FERROUS METAL PROD