CN116024034A - Novel environment-friendly high-precision high-strength aluminum drawing oil and preparation method thereof - Google Patents

Abstract

The invention discloses novel environment-friendly high-precision high-strength aluminum stretching oil, which belongs to the technical field of aluminum processing oil, wherein components contained in a formula comprise refined base oil, synthetic ester, inactive vulcanized lard, 2W molecular weight polyisobutene, chlorinated fat, amine neutralized phosphate, super-base calcium sulfonate and an antioxidant corrosion-resistant complexing agent.

Description

Novel environment-friendly high-precision high-strength aluminum drawing oil and preparation method thereof

Technical Field

The invention belongs to the technical field of aluminum processing oil, and particularly relates to novel environment-friendly high-precision high-strength aluminum drawing oil and a preparation method thereof.

Background

With the development of scientific technology, lubrication technology and lubrication materials are continuously updated. Practice proves that the advanced lubrication technology and lubrication materials are adopted, so that the equipment can work stably for a long time under severe conditions, meanwhile, the mechanical efficiency and the product qualification rate can be improved, the maintenance and shutdown losses are reduced, the energy is saved, the material loss is reduced, and the comprehensive economic benefit is improved. Metal working is an important branch in mechanical engineering, and in order to obtain a desired geometry, size, precision and surface quality of a workpiece, a series of machining processes such as cutting, pressure forming, heat treatment, cleaning and rust prevention are required for materials to meet the hardness requirements of the workpiece. The extreme pressure lubrication of metal working is the lubrication material, cooling material and the like used in the metal working process, and mainly comprises metal plastic working lubricant (including metal forging working lubricant, metal material drawing lubricant and the like).

In the drawing of aluminum alloys, in general, the main factors affecting friction and lubrication during the drawing are:

1. influence of aluminum alloy material. The aluminum alloy material has more slip crystal systems due to the characteristics of low melting point, low yield strength, easy adhesion and the like and the face-centered cubic structure thereof, has high solid solubility with other metals, has strong aluminum alloying capability, and has the surface oxide film which is hard and brittle relative to the matrix metal and the like, so that the aluminum alloy material is easier to adhere to the surface of a die during processing of the aluminum alloy;

2. influence of surface roughness, mold and workpiece geometry. The macroscopic surfaces of the aluminum alloy and the die in the forming process are smooth, but the microscopic morphology is full of micro-convex bodies and concave valleys with uneven heights. In order to minimize and avoid direct contact between the convex body and the concave valley, the surface roughness values of the die and the workpiece are reduced, or proper aluminum alloy stretching oil is smeared for effective lubrication, so that the unevenness of the surface is reduced;

3. the influence of lubricating oil on plastic forming of aluminum alloy plates is mainly reflected in the fact that whether the plate and the die can be effectively isolated, the forming limit of the plate and the service life of the die are improved, and the aluminum alloy drawing oil is strong in specificity and narrow in application range. Therefore, the characteristics and parameters of the drawing process must be carefully understood when selecting the drawing lubricant, such as the common aluminum alloy drawing process: whether ironing or non-ironing; the nature of the workpiece; stretch coefficient, number of stretches; a stretching speed; the shape of the workpiece. Jiaweiao can customize different aluminum alloy drawing oil formulas for different drawing processes and different aluminum and aluminum alloy materials, such as 1060 aluminum, 5052 aluminum alloy and the like;

4. the use mode of the aluminum alloy drawing oil also can influence whether the aluminum alloy drawing oil plays a role or not. In a specific drawing and stamping operation, the surface of the aluminum sheet to be drawn must be oiled as specified. Otherwise, the rejection rate is increased, sintering, clamping, die abrasion, machine shutdown frequency increase and the like are generated;

in addition, viscosity is also a factor to be considered, and in the press drawing process, as the thickness of the sheet increases, the drawing force required for the process increases, so that generally the thicker the material, the higher the viscosity of the opposing aluminum alloy drawing oil is.

Disclosure of Invention

In view of the above, the invention develops a novel environment-friendly high-precision high-strength aluminum stretching oil and a preparation method thereof, contains extrusion additives such as inactive vulcanized lard and amine neutralized phosphate, has super-strong extrusion property, lubricity and oil film adhesion, can ensure the cooling, lubrication, permeation and cleaning performances of stretching liquid, rapidly adsorbs the film on the surface of a workpiece by utilizing the compound surface film forming technology of the additives, reduces the direct friction between equipment and the workpiece, improves the extreme pressure lubricating performance to the greatest extent, prolongs the service life of the equipment, and is suitable for the general aluminum high-strength stretching molding and aluminum heavy-load processing technology.

In order to achieve the above purpose, the present invention adopts the following technical scheme: the novel environment-friendly high-precision high-strength aluminum drawing oil comprises the following components in parts by weight:

as a further description of the above technical solution:

the content of the polyisobutene with the molecular weight of 2W is 2-5%, so that the thickness of the aluminum plate, the field processing technology and the quality of oil products are ensured.

As a further description of the above technical solution:

according to the requirements of the processing technology on oil product flowability, oil film thickness, mechanical equipment wear degree and the like, the content of the refined base oil 1 is as follows: 53-55%, wherein the content of the refined base oil 2 is as follows: 16-17%.

As a further description of the above technical solution:

aiming at the requirements of the on-site processing technology on lubricity and cutter protection, the content of the inactive vulcanized lard is as follows: 18-22%, wherein the content of the amine neutralized phosphate amine salt is as follows: 0.7-0.8%.

As a further description of the above technical solution:

according to the requirements of optimal typical value performance and cost, the content of the oil antioxidant is 0.5%, the content of the metal slow-release agent is 0.3%, and according to the requirements of aluminum parts on lubricity and oil acidity and alkalinity, the content of the super-base value calcium sulfonate is required to be 1.5-2%.

As a further description of the above technical solution:

the synthetic ester is DOTP.

As a further description of the above technical solution:

the inactive lard is RC6519.

As a further description of the above technical solution:

the amine neutralized phosphate is AW6110 phosphate amine salt of KING chemical company.

As a further description of the above technical solution:

the mineral base oil is hydrofined mineral oil.

The invention also provides a preparation method of the novel environment-friendly high-precision high-strength aluminum drawing oil,

the method comprises the following steps:

1) The formulation according to any one of the above claims, preparing an aluminum drawing oil preparation material;

2) Firstly, placing the polyisobutene with the molecular weight of 2W into a reaction kettle, heating to 100 ℃, and heating for 4 hours;

3) Continuously heating to 150 ℃, sequentially adding other components according to the proportion, continuously reacting for 2 hours, and detecting by cooling.

In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:

1) The tensile oil can prevent adverse phenomena such as explosion and stretching;

2) The friction between a workpiece and a die can be effectively reduced, the abrasion is reduced, a tough oil film is provided, and the lubricating and antiwear extreme pressure effect is superior to the advanced level of the same industry in China;

3) The phenomena of scratch, abrasion, wrinkling, cracking and the like on the surface of the workpiece are prevented, and the working quality can be effectively improved;

4) The product has high-temperature detergency, can inhibit the generation of black oil sludge, and has cleaner work piece and remarkable cooling effect;

5) The oil product has higher tolerance strength, effectively inhibits the phenomena of sintering, clamping and the like, and prolongs the service life of the die;

6) The environment-friendly high-efficiency additive is adopted, so that the environment is not polluted, and the energy conservation and emission reduction are realized. The oil product is suitable for processing technology with high difficulty such as stamping, calendaring, stretching, tapping and the like of common aluminum materials.

7) The lubricant contains extrusion additives such as inactive vulcanized lard and amine neutralized phosphate, has super-strong extrudability, lubricity and oil film adhesiveness, can ensure the cooling, lubrication, permeation and cleaning performances of the stretching liquid, and can rapidly adsorb and form a film on the surface of a workpiece by utilizing the compound surface film forming technology of the additives, thereby reducing the direct friction between equipment and the workpiece, improving the extreme pressure lubricating performance to the maximum extent and prolonging the service life of the equipment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a table showing the comparison of experimental data of the present examples 1 to 6 with that of the comparative example.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment one:

base oil 1 was added: 50% of base oil 2, namely 25.5% of added inactive vulcanized lard oil, 18% of DOTP2%, 0.7% of amine neutralized phosphate amine salt, 0.3% of metal slow release agent, 0.5% of oil antioxidant, 2% of 2W molecular weight polyisobutene and 1% of super-base calcium sulfonate;

embodiment two:

base oil 1 was added: 54%, wherein the content of the base oil 2 is 19.5%, the added inactive vulcanized lard is 20%, DOTP2%, amine neutralized phosphate amine salt is 0.7%, metal slow release agent is 0.3%, oil antioxidant is 0.5%,2W molecular weight polyisobutene is 2%, and super-base value calcium sulfonate is 1%;

embodiment III:

base oil 1 was added: 54 percent of base oil 2, 21 percent of added inactive vulcanized lard, 3 percent of DOTP, 0.7 percent of amine neutralized phosphate amine salt, 0.3 percent of metal slow release agent, 0.5 percent of oil antioxidant, 2 percent of 2W molecular weight polyisobutene and 2 percent of super-base number calcium sulfonate;

embodiment four:

base oil 1 was added: 54 percent of base oil 2, 21 percent of added inactive vulcanized lard, 3 percent of DOTP, 0.8 percent of amine neutralized phosphate amine salt, 0.3 percent of metal slow release agent, 0.5 percent of oil antioxidant, 2 percent of 2W molecular weight polyisobutene and 2 percent of super-base number calcium sulfonate;

fifth embodiment:

base oil 1 was added: 54 percent of base oil 2, 22 percent of added inactive vulcanized lard, 2 percent of DOTP, 0.7 percent of amine neutralized phosphate amine salt, 0.3 percent of metal slow release agent, 0.5 percent of oil antioxidant, 2 percent of 2W molecular weight polyisobutene and 2 percent of super-base number calcium sulfonate;

example six:

base oil 1 was added: 51.9% of base oil 2, wherein the content of the base oil 2 is 16.5%, the content of the added inactive vulcanized lard is 22%, the content of DOTP3%, the content of amine neutralized phosphate amine salt is 0.8%, the content of metal slow release agent is 0.3%, the content of oil antioxidant is 0.5%, the content of 2W molecular weight polyisobutene is 3%, and the content of super-base calcium sulfonate is 2%;

Prior Art

The additive is composed of sulfurized olefin GS440 2%, fatty acid ester 5%, isooctyl stearate 3%, amine phosphate 0.3%, self-synthesized ester 8%, pentaerythritol oleate 3% and base oil 1.7%.

From the above comparison, it can be seen that examples 1 to 6 are improved in both PB value and plaque diameter as compared with comparative example (prior art), so that examples 1 to 6 provide not only excellent extreme pressure lubrication in stretching but also reduced wear of equipment. ( And (3) injection: v40 is the fluid kinematic viscosity, the size of which is determined by the field process, pb is the extrusion performance, the larger the value of Pb is the better the extrusion performance, the smaller the value of the wear spot diameter is the constant wear lubricity, and the better the lubricating performance is. )

Meanwhile, by comparison of costs, it can be seen that examples 1 to 6 obtain a reduction in cost as compared with comparative examples (prior art).

Therefore, compared with the prior art, the novel environment-friendly high-precision high-strength aluminum drawing oil and the preparation method thereof have the following advantages:

1) The process of stamping, calendaring, stretching, tapping and the like of the high-strength aluminum material is satisfied;

2) In the processing process, the excellent lubricating performance ensures the working quality and efficiency;

3) The lubricating performance is improved, the abrasion of equipment is reduced, and the cost is reduced by an autonomous adsorption film forming technology; has strong competitive advantage in the market.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (10)

1. The novel environment-friendly high-precision high-strength aluminum drawing oil is characterized by comprising the following components in parts by weight:

2. the novel environment-friendly high-precision high-strength aluminum drawing oil as claimed in claim 1, wherein the 2W molecular weight polyisobutene content is 2-5%.

3. The novel environment-friendly high-precision high-strength aluminum drawing oil as claimed in claim 1, wherein the refined base oil 1 comprises the following components in percentage by weight: 53-55%, wherein the content of the refined base oil 2 is as follows: 16-17%.

4. The novel environment-friendly high-precision high-strength aluminum drawing oil as claimed in claim 1, wherein the content of the inactive vulcanized lard is as follows: 18-22%, wherein the content of the amine neutralized phosphate amine salt is as follows: 0.7-0.8%.

5. The novel environment-friendly high-precision high-strength aluminum drawing oil as claimed in claim 1, wherein the content of the oil antioxidant is 0.5%, the content of the metal slow release agent is 0.3%, and the content of the super-base number calcium sulfonate is 1.5-2%.

6. The novel environment-friendly high-precision high-strength aluminum drawing oil as claimed in claim 1, wherein the synthetic ester is DOTP.

7. The novel environment-friendly high-precision high-strength aluminum drawing oil as claimed in claim 1, wherein the inactive vulcanized lard is RC6519.

8. The novel environment-friendly high-precision high-strength aluminum drawing oil is characterized in that the amine neutralization phosphate is AW6110 phosphate amine salt of KING chemical company.

9. The novel environmentally friendly high-precision high-strength aluminum drawing oil according to claim 1, wherein the mineral base oil is hydrofined mineral oil.

10. A method for preparing the novel environment-friendly high-precision high-strength aluminum drawing oil as claimed in claims 1 to 9, which is characterized by comprising the following steps:

1) The formulation according to any one of claims 1 to 9, preparing an aluminum drawing oil preparation material;

2) Firstly, placing the polyisobutene with the molecular weight of 2W into a reaction kettle, heating to 100 ℃, and heating for 4 hours;

3) Continuously heating to 150 ℃, sequentially adding other components according to the proportion, continuously reacting for 2 hours, and detecting by cooling.

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