Metal extrusion tapping liquid

Abstract

The invention discloses a metal extrusion tapping liquid. The tapping liquid comprises a composite antirust agent, an extreme pressure agent, a lubricant, an auxiliary agent, a corrosion inhibitor and water. The tapping liquid is formed by compounding low-toxicity or non-toxic raw materials, and has small irritation to the body of an operator; the tapping liquid is suitable for tapping ferrous metal (extrusion-formed scrap-iron-free tapping, internal and external thread tapping and the like), and has good cleaning, cooling, rust-proof and extreme-pressure lubricating properties; a workpiece tapped by the tapping liquid is very clean and easy to clean or treat; and all the components in the raw materials are low in odor and free of flash points.

Description

technical field [0001] The invention belongs to the field of lubricating materials, and in particular relates to a metal extrusion tapping fluid. Background technique [0002] Metal extrusion tapping is to use a specific tap to press into the inner wall of the metal casing to form a thread to make a fixed connection for the pipeline. It is characterized by cold extrusion deformation processing, the pressure and friction are very large, it is required that the lubricant can still form a solid oil film in the deformation zone to lubricate, so that the tapping can be carried out smoothly, so the tapping agent is required to have a strong Extreme pressure and anti-wear properties. [0003] According to the characteristics of metal extrusion tapping processing, the workpieces for extrusion tapping are required to be chipless extrusion tapping, and the workpieces after metal extrusion tapping require extreme pressure lubrication to meet the requirements, while the surface is clea...

AI Technical Summary

Problems solved by technology

With the development of the fastener industry, the traditional tapping oil has the disadvantage of low flash point (35-110°C) during the chipless tapping process, and it is basically a flammable and combustible product; the cleaning performance is not good, There are a lot of sludge attachments on the surface of the processed workpiece; the cooling performance is poor, and a certain amount of oil mist will appear during tapping; the extreme pressure is not good, and the tapping oil is not efficient due to insufficient overlubrication and extreme pressure during chipless tapping.

Tapping oil can not be used with water, the loss is large, the use cost is high, and it is not friendly to the environment

Most of the fully synthetic water-soluble products on the market are grinding products. The extreme pressure and lubricity of this product are average, and it can only meet the light-load processing such as ordinary grinding and turning.

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