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Special-shaped cast alloy copper bar production process

A casting alloy and production process technology, applied in the direction of metal/alloy conductors, root rods/rods/wires/strip conductors, etc., can solve difficult problems and achieve the effects of easy operation, simple process and good mechanical properties

Inactive Publication Date: 2015-05-20
QINGDAO HONGTAI COPPER IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is still very difficult to achieve various indicators based on the existing technology.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0013] The specific steps are as follows: casting-heating-extrusion-finishing-pickling-inspection-stretching-straightening-cleaning-finishing-inspection-storage. Use a smelting furnace to melt and cast into copper ingots, use a heating furnace to heat the ingots, use a hydraulic press and a supporting extrusion die and perforation for transitional extrusion of the heated ingots, and use sawing equipment to cut the copper billet head and tail. , Use pickling equipment to pickle the finished copper billet, and use tension straightening to straighten the stretched product on the straightening machine; adopt transitional similar extrusion method and transitional similar stretching method And the processing technology of the finished product drawing method.

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PUM

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Abstract

The invention discloses a special-shaped cast alloy copper bar production process which comprises the specific steps of casting, heating, extruding, finishing, pickling, checking, stretching, straightening, cleaning, finishing, checking, and warehousing. A red copper ingot is cast through melting by a melting furnace; the ingot is heated by a heating furnace; the heated ingot is transitionally extruded by an oil press, a supporting extrusion die and a supporting punching pin; the head and the tail of the red copper ingot are sewn by a piece of sawing equipment; the red copper ingot after finishing is pickled by a piece of pickling equipment; and the tension of a tensile product is straightened on a straightening machine in a tension straightening mode. A machining process including a transitional similar extrusion method, a transitional similar stretching method and a finished product stretching method is adopted. A copper bar produced by the process has good mechanical properties and high conductivity. The process is simple, easy to operate, and convenient to control. The production cost is reduced.

Description

[0001] Technical field [0002] The invention belongs to an alloy copper bar production process, and specifically relates to a special-shaped casting alloy copper bar production process. [0003] Background technique [0004] Copper has a wide range of uses in the power and communications industries. Common alloy copper busbars have been saturated in the low-end market, but the special-shaped alloy copper busbars required by the high-end market in the power industry mainly rely on imports because of its various technical indicators. Strict, and because the special-shaped cast alloy copper bars are not completely symmetrical special-shaped copper materials, it is difficult to produce, mostly relying on imports from abroad, but its good performance is very meaningful in the current situation of China's energy shortage. my country's current special-shaped cast alloy copper bars are incompletely symmetrical special-shaped copper materials, with strict requirements for various technical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B5/02H01B1/02B23P15/00
Inventor 李保成
Owner QINGDAO HONGTAI COPPER IND
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