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High precision brass strip processing technology

A processing technology, brass strip technology, applied in the direction of contour control, etc., can solve the problems of high production cost and unusable

Inactive Publication Date: 2018-05-18
瑞安市五星铜业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Cannot be used in precision instruments, and the production cost is high

Method used

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Embodiment Construction

[0011] The present invention is a high-precision brass strip processing technology, which is characterized in that the steps are as follows: a, select raw materials; b, put the raw materials in step a into a power frequency smelting furnace for melting, and stir them evenly after melting; c, Casting the melted medium in step b, sawing off the two ends of the cast ingot with casting defects, and then putting it into a walking furnace for heating; d, taking out the ingot heated in step c, and Place it in a reversible hot rolling mill for repeated rolling, after the rolling is completed, it is cooled at room temperature, and the cooled billet is double-sided milled; e, the ingredients that have been double-sided milled in step d are subjected to preliminary rolling; f, put the billet completed in step e into the annealing furnace for annealing, and cool it at room temperature after the annealing is completed; g, carry out secondary rolling of the billet completed in step f; h, pla...

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Abstract

The invention relates to a non-ferrous metal processing technology, in particular to a high precision brass strip processing technology. The high precision brass strip processing technology provides the following technical scheme that the high precision brass strip processing technology comprises the following the steps that a, raw materials are selected; b, the raw materials in the step a are molten and stirred; c, casting and heating are conducted; d, repeated rolling, cooling and double-sided milling are conducted; e, primary rolling is conducted; f, annealing and cooling are conducted; g,secondary rolling is conducted; h, blank materials subjected to secondary rolling in the step g is subjected to secondary annealing; i, the blank materials subjected to secondary annealing in the steph is subjected to primary pickling; j, the blank materials subjected to primary pickling in the step i is subjected to tertiary rolling, annealing and pickling; k, the blank materials subjected to pickling in the step j is subjected to quartus rolling, and a strip-shaped finished product is formed; and l, the trip-shaped finished product in the step k is subjected to degreasing pickling, surfacepassivating and drying. By adopting the technical scheme, a brass strip processed through the high precision brass strip processing technology is smooth in surface, high in quality and low in cost.

Description

technical field [0001] The invention relates to a nonferrous metal processing technology, in particular to a high-precision brass strip processing technology. Background technique [0002] Brass strips have stable mechanical properties and wear resistance, and can be used to manufacture precision instruments, ship parts, bullet casings, etc. Because of its good plasticity, it can also be used to make plates, pipes and deep-drawn parts (condensing pipes, heat pipes, etc.). [0003] The traditional brass strip processing technology mainly uses a high-frequency forging press to micro-process the flat copper strip billet, then forges it, and finally anneals and cleans it and rolls it into a finished product. The surface of the brass strip processed by this process has large crystalline particles, which is uneven and has low precision. It cannot be used in precision instruments, and the production cost is relatively high. Contents of the invention [0004] Aiming at the defi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/02C22F1/08B21B37/28
CPCC22C1/02B21B37/28C22F1/08
Inventor 朱伟康薛龙江王中明李延忠林游林凯陈传贵
Owner 瑞安市五星铜业股份有限公司
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