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Method for manufacturing metal zinc blank and pipe thereof

A tube blank and zinc alloy technology, which is applied in the field of metal processing, can solve the problems of inability to eliminate the defects of continuous casting tube blanks and poor product performance.

Inactive Publication Date: 2011-03-30
赵宏伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The third category is direct drawing of continuous casting billet, which requires intermediate heat treatment during processing, but because it cannot eliminate the defects of continuous casting billet and has obvious processing texture in grain and metallographic structure, the product performance is poor, and now Has been basically eliminated

Method used

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Examples

Experimental program
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Embodiment Construction

[0017] A method for manufacturing zinc billets, the liquid phase zinc enters the inner cavity of the crystallizer, and during the solidification process of the liquid phase zinc, a rotating magnetic field is applied to the zinc metal liquid in the inner cavity of the crystallizer, and the liquid phase zinc becomes a tube after solidification Blank. In the solid-liquid interface region of zinc in the crystallizer, the rotational speed of the rotating electromagnetic field is 600-2500 rev / min, and the maximum electromagnetic torque is 150-480 Nm. Finally, the tube blank is directly cold-rolled or cold-drawn to become the required zinc tube, so that the tube blank from the electromagnetic crystallizer can be directly cold-processed to the zinc tube specification of ∮8.5 mm×0.6 mm (diameter*wall thickness).

[0018] Specifically, a tube blank of ∮75mm×14mm is produced in the crystallizer, with a grain size of 0.2-3 and a density of 7.25 g / cm3. Especially suitable for radial proce...

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Abstract

The invention relates to a method for manufacturing a metal zinc blank and a pipe thereof. The manufacturing method comprises the following processing steps of: firstly, leading liquid zinc into a cavity of a crystallizer; applying a rotating magnetic field to the liquid zinc in the cavity of the crystallizer in the solidification process of the liquid zinc; and solidifying the liquid zinc into a pipe blank, and directly cold rolling or cold drawing the pipe blank into a required zinc pipe. The method for manufacturing the metal zinc blank and the pipe thereof does not have heating step in the pipe manufacturing process, and the blank has good performance.

Description

technical field [0001] The invention relates to a method for casting a zinc billet and a pipe thereof, belonging to the field of metal processing. Background technique [0002] Among the existing technologies for manufacturing zinc pipes, the first type is to carry out hot extrusion processing on the as-cast ingot and then direct drawing processing. The second type is to roll the hollow cast tube blank by planetary skew rolls, and then perform various drawing processes. The third category is direct drawing of continuous casting billet, which requires intermediate heat treatment during processing, but because it cannot eliminate the defects of continuous casting billet and has obvious processing texture in grain and metallographic structure, the product performance is poor, and now Has been basically eliminated. Contents of the invention [0003] The object of the present invention is to solve the above-mentioned problems in the prior art, and provide a method for manufac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D27/02B21C1/22
Inventor 赵宏伟
Owner 赵宏伟
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