A method for removing oxide layer on nickel-chromium alloy surface

A nickel-chromium alloy, surface oxidation technology, applied in the field of metal surface treatment, can solve the problems of insufficient removal of oxide layer, incomplete peeling of oxide layer, slow cleaning speed, etc., to increase residence time, accelerate drop, and remove speed. Effect

Active Publication Date: 2022-06-24
丹阳亿鑫合金有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method of simply using pickling to remove the oxide layer on the surface of the alloy is slow in cleaning speed and low in efficiency, which is not conducive to the improvement of the production efficiency of the nickel-chromium alloy wire; and the oxide layer will also be incompletely stripped, and there are still some adhesions on the nickel-chromium alloy wire The condition of the surface, the removal of the oxide layer is not clean enough

Method used

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  • A method for removing oxide layer on nickel-chromium alloy surface
  • A method for removing oxide layer on nickel-chromium alloy surface
  • A method for removing oxide layer on nickel-chromium alloy surface

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Embodiment 1

[0038] A device specially used for implementing the method for removing the oxide layer on the surface of the nickel-chromium alloy described in the above-mentioned embodiment 1, comprising a feeding roller 3, a discharging roller 4, a grinding box 1 and an ultrasonic washing box 2, and the feeding roller 3 is located in the grinding chamber. The feeding end of the box 1, the discharge roller 4 is located at the discharging end of the ultrasonic washing box 2, the grinding box 1 is equipped with acid polishing slurry, and the ultrasonic washing box 2 is provided with a spray pipe 12 and an ultrasonic vibration component.

[0039] One side of the grinding box 1 is provided with a first feeding port 5 , the feeding roller 3 is located on one side of the first feeding port 5 , and the other side of the grinding box 1 is provided with a first discharging port 6 . Both the first feeding port 5 and the first discharging port 6 are installed with guide rollers 7 through bearings. A f...

Embodiment 2

[0051] A method for removing the oxide layer on the surface of a nickel-chromium alloy, using the equipment specially used for removing the oxide layer on the surface of the nickel-chromium alloy of Embodiment 1 to remove the oxide layer, comprising the following method steps:

[0052] S1. Pretreatment: Degrease the surface of the nickel-chromium alloy wire, wash the degreasing wire, and dry it until the surface is free of water after washing; the drying method is 80 ℃ hot air drying; the drying speed of high temperature hot air drying Fast and efficient, which is conducive to improving production efficiency.

[0053] S2. Primary treatment: pass the wire rod through the acid polishing slurry, and use the wire rod to rub against the acid polishing slurry when passing through, thereby rubbing the oxide layer on the surface of the wire rod; the composition of the acid polishing slurry is: hydrochloric acid, water and abrasives, among which, hydrochloric acid, hydrochloric acid, T...

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Abstract

A method for removing an oxide layer on the surface of a nickel-chromium alloy, comprising the following method steps: pretreatment: degreasing treatment, washing with water, and drying; primary treatment: removing the oxide layer by rubbing the wire through an acidic polishing slurry; secondary treatment: washing with water, At the same time, ultrasonic waves are used to vibrate the wire; washing and drying: the wire is repeatedly washed with high-pressure water until there is no residue on the surface of the wire and dried. In this application, the acidic slurry is used for grinding, and the acidic slurry can promote the peeling off of the oxide layer on the surface of the nickel-chromium alloy, and at the same time, the abrasive in the slurry rubs against the surface of the nickel-chromium alloy, which can effectively erase the oxide layer on the surface of the nickel-chromium alloy , the removal speed is fast and the efficiency is high, which is conducive to improving the production efficiency of the nickel-chromium alloy; by using ultrasonic vibration in the washing process to remove the oxide layer on the surface of the nickel-chromium alloy, it can promote the stripping of the oxide layer on the surface of the nickel-chromium alloy, In turn, the removal efficiency of the oxide layer on the surface of the nickel-chromium alloy is improved.

Description

technical field [0001] The invention belongs to the technical field of metal surface treatment, and relates to a method for removing an oxide layer on the surface of a nickel-chromium alloy. Background technique [0002] Nickel-chromium alloy has high strength and corrosion resistance, commonly known as stainless steel. At present, nickel-chromium alloy wires are often used in the fields of metallurgy, household appliances, machinery manufacturing and other fields to make heating elements and electrical industry to make resistance materials. In the production process of nickel-chromium alloy wire, it needs to be processed into various specifications and types of nickel-chromium alloy wire through professional equipment such as wire drawing equipment and annealing equipment. , Nickel-chromium alloy wire will produce an oxide layer on its surface during high-temperature processing. [0003] The traditional method of removing the oxide layer on the surface of nickel-chromium ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B27/033B08B3/12B08B3/02C09K3/14C23G1/10
CPCB24B27/033B08B3/123B08B3/022C09K3/1463C23G1/10B08B2203/0288
Inventor 朱锁敖朱锋
Owner 丹阳亿鑫合金有限公司
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