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Composition of electronic sewing machine driving mechanism lubricating grease and preparation method

A technology of electric sewing machine and driving mechanism, which is applied in the field of lubricating grease, which can solve the problems of poor adhesion, wear and easy oil leakage of lubricating grease, and achieve the effect of excellent adhesion

Inactive Publication Date: 2019-08-23
安徽和欣润滑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a composition and a preparation method of grease for driving mechanisms of electric sewing machines, which has the advantages of good adhesion and solves the problem of poor adhesion of grease for driving mechanisms of electric sewing machines. During the operation of the electric sewing machine drive mechanism, problems such as oil leakage and severe wear are prone to occur, and users are quite troubled by this problem.

Method used

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  • Composition of electronic sewing machine driving mechanism lubricating grease and preparation method

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Effect test

Embodiment 1

[0032] A composition of electric sewing machine drive mechanism grease, comprising main components and additives, the components of said main components and their mass percentages are as follows: 75% (750g) of water-soluble polyether and complex lithium soap (4:1) 25 % (250g), according to the total amount of the above two components, add the following additive mass percentages: molybdenum dialkyldithiocarbamate 3% (30g), molybdenum disulfide 5% (50g), benzylamine 2% (20g) , isodioctyl diphenylamine 0.5% (5g), sorbitan monooleate 2% (20g).

[0033] A preparation method of a composition of grease for an electric sewing machine driving mechanism, comprising the following steps: adding 750g of water-soluble polyether, 200g of 12 hydroxy lithium stearate soap, 50g of lithium sebacate soap and 20g of benzylamine into a reaction kettle, and opening Stir, heat to 98°C, and stir at this temperature for 60 minutes; heat up to 135°C, and stir at this temperature for 50 minutes; continue...

Embodiment 2

[0035] A composition of electric sewing machine drive mechanism grease, comprising main components and additives, the components and mass percentages of said main components are as follows: water-soluble polyether 75% (750g), lithium complex soap (4:1) 25 % (250g), according to the total amount of the above two components, add the following additive mass percentages: molybdenum dialkyldithiocarbamate 3% (30g), molybdenum disulfide 5% (50g), benzylamine 2% (20g) , isodioctyl diphenylamine 0.5% (5g), sorbitan monooleate 2% (20g).

[0036] Preparation method is identical with embodiment 1

Embodiment 3

[0038]A composition of electric sewing machine drive mechanism grease, comprising main components and additives, the components and mass percentages of said main components are as follows: water-soluble polyether 75% (750g), lithium complex soap (4:1) 25 % (250g), according to the total amount of the above two components, add the following additive mass percentages: molybdenum dialkyldithiocarbamate 3% (30g), molybdenum disulfide 5% (50g), benzylamine 2% (20g) , isodioctyl diphenylamine 0.5% (5g), sorbitan monooleate 2% (20g).

[0039] Preparation method is identical with embodiment 1

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Abstract

The invention relates to the technical field of lubricating greases and discloses a composition of an electronic sewing machine driving mechanism lubricating grease. The composition comprises the following components in percentage by mass: 75-80% of basic oil and 20-25% of a thickening agent, and the following additives in percentage by mass are put into the composition according to the total amount of the two components: 2% of a dispersant, 3% of an extreme pressure anti-wear reagent, 2% of an antirusting agent, 1% of an antioxidant and 5% of a solid lubricant. The preparation method of the composition of the electronic sewing machine driving mechanism lubricating grease comprises the following steps: respectively putting 75-80% of water-soluble polyether, 20-25% of a composite lithium soap and 2.5-3.5% of dialkyl molybdenum dithiocarbamate into a reaction kettle, starting stirring, heating to 95-100 DEG C, stirring for 60 minutes, increasing the temperature to 130-140 DEG C, and stirring for 40-60 minutes. The obtained electronic sewing machine driving mechanism lubricating grease has excellent adhesiveness, load resistance, shearing resistance, wearing reduction and rusting erosion resistance, and is applicable to contact friction of metals within a temperature range of minus 30 DEG C to 180 DEG C and plastics or metals and metals.

Description

technical field [0001] The invention relates to the technical field of lubricating grease, in particular to a composition and a preparation method of lubricating grease for driving mechanisms of electric sewing machines. Background technique [0002] The English name of grease is thick grease-like semi-solid, which is used for the friction part of machinery to lubricate and seal. It is also used on metal surfaces to fill gaps and prevent rust. It is mainly composed of mineral oil (or synthetic lubricating oil) Prepared with a thickener. [0003] The traditional electric sewing machine driving mechanism has poor grease adhesion. During the operation of the electric sewing machine driving mechanism, it is prone to oil leakage and serious wear and tear. Users are quite annoyed by this. Fat composition and preparation method. Contents of the invention [0004] (1) Solved technical problems [0005] Aiming at the deficiencies of the prior art, the present invention provides ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/00C10M177/00C10N50/10C10N30/06C10N30/12
CPCC10M169/00C10M177/00C10M2201/066C10M2207/1276C10M2207/1285C10M2207/289C10M2209/1033C10M2215/06C10M2215/064C10M2219/068C10N2030/06C10N2030/12C10N2050/10C10N2030/68C10N2030/76C10N2020/06C10N2010/12C10N2020/02C10N2010/02
Inventor 张燕杨伟
Owner 安徽和欣润滑科技有限公司
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