CN104451053A - Quench oil for bearing and preparation method of quench oil - Google Patents

Abstract

The invention discloses quench oil for a bearing. The quench oil is characterized by being prepared from the following raw materials in parts by weight: 85-95 parts of 150SN basic oil, 0.3-0.5 part of polyethylene glycol dilaurate, 0.5-1 part of dipentaerythritol, 0.5-1 part of sodium stearyl lactate, 0.1-0.2 part of dodecyl glycoside, 1-2 parts of zinc stearate, 0.5-1 part of oleic acid, 0.3-0.5 part of alkyl salicylate calcium T109, 0.3-0.5 part of an antioxidant DNP, 0.2-0.4 part of heptadecenyl imidazoline alkenyl succinate and 1-2 parts of compound auxiliaries. The quench oil disclosed by the invention is good in cooling performance and thermal oxidation stability and reasonable in distribution of cooling speed, so that high and uniform quenching hardness of a workpiece can be obtained, and meanwhile, the quenching deformation can be effectively controlled, and the quench oil has a certain antirust function and is stable in quality, long in service life and suitable for quenching the bearing.

Description

A kind of Bearing Quenching oil and preparation method thereof

Technical field

The present invention relates to heat treatment technics, be specifically related to a kind of Bearing Quenching oil and preparation method thereof.

Background technology

Quenching is a part for thermal treatment process, and steel is heated to more than transformation temperature, after held for some time, cools fast in heat-eliminating medium, thus obtains the technological process of martensitic stucture.Quenching process is directly connected to use properties and the life-span of workpiece, and selecting of quenchant is the key improving workpiece quality.Quenching oil is quenching process oil, is used as heat-eliminating medium, can reduce cracking and the distortion of workpiece, strengthens the hardness of workpiece.Quenching oil uses for a long time under high temperature and the severe condition of working continuously, and requires that oil product has good anti-oxidant, heat resistanceheat resistant and decomposes and the performance such as anti-aging, to ensure cooling performance and the work-ing life of oil product.Because quenching oil performance in life-time service process can change, need to add functional recombiner to eliminate these negative impacts.

Summary of the invention

The object of this invention is to provide a kind of Bearing Quenching oil.

The present invention is achieved by the following technical solutions:

A Bearing Quenching oil, it is characterized in that, it is obtained by the raw material of following weight parts:

150SN base oil 85-95, polyethylene glycol laurate 0.3-0.5, bis(pentaerythritolester) 0.5-1, stearoyl lactate 0.5-1, Dodecyl Glucoside 0.1-0.2, Zinic stearas 1-2, oleic acid 0.5-1, alkyl sodium salicylate T109 0.3-0.5, oxidation inhibitor DNP 0.3-0.5,17 alkenyl imidazoline alkenyl succinate T703 0.2-0.4, composite assistant 1-2;

Wherein composite assistant is made up of the raw material of following weight part:

Glycidyl acrylate 1-2, isobornyl acrylate 1-2, petroleum sodium sulfonate 0.2-0.4, zinc dialkyl dithiophosphate 0.1-0.2, polyisobutylene-bis-succinimide 0.3-0.5, dimethyl silicone oil 3-5, Viscotrol C 6-8, boronation diene base succimide 0.5-1, amine hydroxybenzene 0.3-0.5;

The preparation method of composite assistant is:

Dimethyl silicone oil and Viscotrol C are added in reactor and mixes, add amine hydroxybenzene, petroleum sodium sulfonate and zinc dialkyl dithiophosphate 80-90 DEG C again and stir 0.5-1h, cool the temperature to 60-70 DEG C again, add polyisobutylene-bis-succinimide and boronation diene base succimide high-speed stirring 10-15min, add all the other raw materials after cooling, high-speed mixing evenly after and get final product.

A preparation method for Bearing Quenching oil, is characterized in that, comprises the following steps:

(1) 150SN base oil is added reactor, first add polyethylene glycol laurate, oleic acid, bis(pentaerythritolester) and alkyl sodium salicylate T109 100-120 DEG C and stir 0.5-1h, then add stearoyl lactate and Dodecyl Glucoside 50-60 DEG C, 400-600r/min stirs 10-20min;

(2) add diatomite by solvent and solute weight ratio 5:1, mix rear 80-100 DEG C, 200-400r/min stirs 2-4h, cooled and filtered, obtains filtrate;

(3) jointly add reactor 90-95 DEG C after the filtrate obtained in (2) being mixed with Zinic stearas and oxidation inhibitor DNP and stir 1-2h, cooling adds all the other raw material stirring evenly, to obtain final product.

Advantage of the present invention is:

Quenching oil cooling performance of the present invention and thermal oxidation stability good, speed of cooling distribution rationally, can make workpiece obtain high and uniform quenching hardness, effectively can control quenching strain simultaneously, and have certain antirust effect, steady quality, long service life, is applicable to Bearing Quenching.

Embodiment

Non-limiting examples of the present invention is as follows:

A Bearing Quenching oil, is prepared from by the component raw material of following weight (kg):

150SN base oil 90, polyethylene glycol laurate 0.4, bis(pentaerythritolester) 0.8, stearoyl lactate 0.8, Dodecyl Glucoside 0.15, Zinic stearas 1.5, oleic acid 0.8, alkyl sodium salicylate T109 0.4, oxidation inhibitor DNP 0.4,17 alkenyl imidazoline alkenyl succinate T703 0.3, composite assistant 1.5;

Wherein, composite assistant is made up of the raw material of following weight (kg):

Glycidyl acrylate 1.5, isobornyl acrylate 1.5, petroleum sodium sulfonate 0.3, zinc dialkyl dithiophosphate 0.15, polyisobutylene-bis-succinimide 0.4, dimethyl silicone oil 4, Viscotrol C 7, boronation diene base succimide 0.8, amine hydroxybenzene 0.4;

The preparation method of composite assistant:

Dimethyl silicone oil and Viscotrol C are added in reactor and mixes, add amine hydroxybenzene, petroleum sodium sulfonate and zinc dialkyl dithiophosphate 85 DEG C again and stir 0.5h, cool the temperature to 65 DEG C again, add polyisobutylene-bis-succinimide and boronation diene base succimide high-speed stirring 10min, add all the other raw materials after cooling, high-speed mixing evenly after and get final product.

The preparation method of Bearing Quenching oil comprises the following steps:

(1) 150SN base oil is added reactor, first add polyethylene glycol laurate, oleic acid, bis(pentaerythritolester) and alkyl sodium salicylate T109 100 DEG C and stir 0.5h, then add stearoyl lactate and Dodecyl Glucoside 60 DEG C, 500r/min stir 15min;

(2) add diatomite by solvent and solute weight ratio 5:1, mix latter 90 DEG C, 300r/min stirs 3h, cooled and filtered, obtains filtrate;

(3) jointly add reactor 90 DEG C after the filtrate obtained in (2) being mixed with Zinic stearas and oxidation inhibitor DNP and stir 1h, cooling adds all the other raw material stirring evenly, to obtain final product.

As follows according to standard SH/T0564-93 test performance index:

Kinematic viscosity (40 DEG C, mm ²/ s)≤30;

Carbon residue increased value≤1.2%;

Representative temperature >=620 DEG C.

Claims (2)

1. a Bearing Quenching oil, is characterized in that, it is obtained by the raw material of following weight parts:

150SN base oil 85-95, polyethylene glycol laurate 0.3-0.5, bis(pentaerythritolester) 0.5-1, stearoyl lactate 0.5-1, Dodecyl Glucoside 0.1-0.2, Zinic stearas 1-2, oleic acid 0.5-1, alkyl sodium salicylate T109 0.3-0.5, oxidation inhibitor DNP 0.3-0.5,17 alkenyl imidazoline alkenyl succinate T703 0.2-0.4, composite assistant 1-2;

Described composite assistant is made up of the raw material of following weight part:

Glycidyl acrylate 1-2, isobornyl acrylate 1-2, petroleum sodium sulfonate 0.2-0.4, zinc dialkyl dithiophosphate 0.1-0.2, polyisobutylene-bis-succinimide 0.3-0.5, dimethyl silicone oil 3-5, Viscotrol C 6-8, boronation diene base succimide 0.5-1, amine hydroxybenzene 0.3-0.5;

The preparation method of described composite assistant is:

Dimethyl silicone oil and Viscotrol C are added in reactor and mixes, add amine hydroxybenzene, petroleum sodium sulfonate and zinc dialkyl dithiophosphate 80-90 DEG C again and stir 0.5-1h, cool the temperature to 60-70 DEG C again, add polyisobutylene-bis-succinimide and boronation diene base succimide high-speed stirring 10-15min, add all the other raw materials after cooling, high-speed mixing evenly after and get final product.

2. the preparation method of a kind of Bearing Quenching oil according to claim 1, is characterized in that, comprise the following steps:

(1) 150SN base oil is added reactor, first add polyethylene glycol laurate, oleic acid, bis(pentaerythritolester) and alkyl sodium salicylate T109 100-120 DEG C and stir 0.5-1h, then add stearoyl lactate and Dodecyl Glucoside 50-60 DEG C, 400-600r/min stirs 10-20min;

(2) add diatomite by solvent and solute weight ratio 5:1, mix rear 80-100 DEG C, 200-400r/min stirs 2-4h, cooled and filtered, obtains filtrate;

(3) jointly add reactor 90-95 DEG C after the filtrate obtained in (2) being mixed with Zinic stearas and oxidation inhibitor DNP and stir 1-2h, cooling adds all the other raw material stirring evenly, to obtain final product.