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Novel cold heading wire coating process

A technology of cold heading and wire rod, applied in the field of new cold heading wire rod coating process, can solve the problems of product quality accident, cold heading oil pollution, equipment failure, etc., to reduce abnormal downtime, reduce abnormal downtime, and improve rust prevention function. Effect

Inactive Publication Date: 2016-03-23
无锡翱天钢丝制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The traditional processing technology has the following problems: there will be a layer of powder accumulated on the surface of the finished product, and the powder will fall into the cold heading oil during cold heading. quality accident

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Embodiment 1: A new cold heading wire coating process, including the following steps: hot-rolled wire rod → pickling → water washing → phosphating → saponification → drying → adding lubricant to the mold box of the wire drawing machine to replace conventional wire drawing Powder, through the finished wire drawing step, is applied on the surface of the cold heading wire rod; the lubricant includes the following components, and the proportion of the components is calculated in parts by weight: liquid sodium stearate 40%, transformer oil 15%, refined mineral oil 15% , Sodium Petroleum Sulfate 15% and Magnesium Lanolin Soap 15%.

Embodiment 2

[0013] Embodiment 2: A new cold heading wire coating process, including the following steps: hot-rolled wire rod → pickling → water washing → lime coating → wire drawing of semi-finished products → heat treatment → pickling → water washing → phosphating → saponification → drying → drying The lubricant is added to the mold box of the wire drawing machine to replace the conventional wire drawing powder, and is applied to the surface of the cold heading wire through the finished wire drawing step; the lubricant includes the following components, and the proportion of the components is by weight: liquid sodium stearate 80%, Transformer Oil 5%, Refined Mineral Oil 5%, Sodium Petroleum Sulfate 5%, and Lanolin Magnesium Soap 5%.

Embodiment 3

[0014] Embodiment 3: A new cold heading wire coating process, including the following steps: hot-rolled wire rod → pickling → water washing → lime coating → heat treatment → pickling → water washing → lime coating → semi-finished wire drawing → heat treatment → pickling → water washing →Phosphating→Saponification→Drying→Add the lubricant to the mold box of the wire drawing machine to replace the conventional wire drawing powder, and apply it on the surface of the cold heading wire after the finished wire drawing step; the lubricant includes the following components, and the proportion of the components is as follows: In parts by weight: liquid sodium stearate 60%, transformer oil 10%, refined mineral oil 10%, petroleum sodium sulfonate 10%, and lanolin magnesium soap 10%.

[0015] The working principle of the present invention: the present invention adds a lubricating treatment before the finished wire drawing of the traditional process. This lubricant can effectively remove th...

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Abstract

The invention relates to a novel cold heading wire coating process. The novel cold heading wire coating process is characterized by comprising the following steps that lubricants are added into a mold box of a drawing machine to replace common drawing powder and smeared on the surface of a cold heading wire through a finished product wire drawing step. The lubricants include, by weight, 40-80% of liquid sodium stearate, 5-15% of transformer oil, 5-15% of refined mineral oil, 5-15% of petroleum sulfonate and 5-15% of lanolin magnesium soap. The novel cold heading wire coating process has the following advantages that (1) powder does not accumulate on the surface of a product produced through the process, abnormal closedown can be reduced, and the use amount of cold heading oil is also reduced; (2) part of problems caused by bad phosphorization can be solved through the product produced through the process; and (3) the cold heading wire produced through the process has a better antirust function; and meanwhile, the abnormal closedown time of cold heading can be shortened.

Description

technical field [0001] The invention relates to a wire rod deep processing technology, in particular to a brand new cold heading wire rod coating technology. Background technique [0002] With the continuous development of the manufacturing industry, the demand and quality of fasteners and parts in the manufacture of automobiles, machinery, electronics, electrical, construction, tools, etc. are increasing. As the base material of fasteners and parts, it is often said The demand for the quantity and quality of cold heading steel wire (abbreviation: CHQ) is also increasing day by day. [0003] The traditional CHQ wire rod processing technology is: hot-rolled wire rod → pickling → water washing → lime coating → semi-finished wire drawing → heat treatment → pickling → water washing → phosphating → saponification → drying → finished wire drawing → packaging and storage. The purpose of phosphating and saponification is to make a pre-lubricating coating for the next cold heading p...

Claims

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Application Information

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IPC IPC(8): B21C9/02
CPCB21C9/02
Inventor 戴春野
Owner 无锡翱天钢丝制品有限公司
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