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Lubricating composition for use in cold extrusion forming process

A technology of lubricating composition and forming process, which is applied in the direction of lubricating composition, petroleum industry, casting mold composition, etc., can solve the problems of reducing production efficiency, poor applicability, increasing process steps, etc., to improve production efficiency, prolong service life, Product bright and precise effect

Inactive Publication Date: 2011-05-04
屠伟刚
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, because not all metals are suitable for phosphating-saponification treatment, the applicability of this method is poor; in addition, phosphating-saponification treatment before cold extrusion also increases the process steps and reduces production efficiency

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0028] A kind of lubricating composition that is used for cold extrusion molding process, by weight, comprises the base oil of 100 parts, and described base oil is 200SN base oil, also comprises following composition:

[0029] Antiwear agent: 2 parts of dihydrocarbyl pentasulfide, 8 parts of chlorinated paraffin;

[0030] Friction modifier: 5 parts vulcanized lard, 15 parts vulcanized vegetable oil;

[0031] Rust inhibitor: 0.5 parts of barium petroleum sulfonate, 0.5 parts of calcium petroleum sulfonate;

[0032] Ashless dispersant: 0.5 part of succinimide dispersant;

[0033] Antioxidant: 0.2 part of octyl / butyl diphenylamine, 0.1 part of 2,6-di-tert-butyl p-cresol;

[0034] Chlorine trap: 0.5 part epoxidized soybean oil.

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Abstract

The invention discloses a lubricating composition for use in a cold extrusion forming process, which comprises the following components in part by weight: 100 parts of base oil, 0.5 to 20 parts of antiwear agent, 10 to 40 parts of friction modifier, 0.1 to 2 parts of antirusting agent, 0.1 to 2 parts of ashless dispersant, 0.001 to 2 parts of antioxygen and 0.2 to 5 parts of chlorine catcher. Thelubricating composition has very high wear resistance and very low friction coefficient. On the premise of avoiding processed material pretreatment such as phosphorization and saponification in the cold extrusion forming process, the lubricating composition can allow processed parts to be removed from molds smoothly and make product bright and precise, thereby greatly improving the production efficiency of cold extrusion forming and prolonging the service life of the molds.

Description

technical field [0001] The invention relates to a lubricating composition, in particular to a lubricating composition used in a cold extrusion forming process. Background technique [0002] The cold extrusion forming process refers to putting the metal blank into the cavity of the mold in a cold state, and under the action of strong pressure and a certain speed, the metal is forced to extrude from the cavity to obtain the desired shape, size and Extrusions with certain mechanical properties. Cold extrusion is an important part of precision plastic volume forming technology. Compared with other processing techniques, cold extrusion process has the advantages of saving raw materials, improving productivity, reducing the amount of cutting parts, and using inferior materials to replace high-quality materials. Low cost and other advantages, so it has been widely used in fasteners, machinery, instruments, electrical appliances, light industry, aerospace, shipbuilding, military in...

Claims

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Application Information

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IPC IPC(8): C10M169/04B22C3/00C10N30/06C10N40/24
Inventor 屠伟刚
Owner 屠伟刚
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