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Lubricating grease for blaster head bearing of shot blasting machine

A technology of lubricating grease and shot blasting machine, which is applied in the field of lubricating grease, can solve problems such as insufficient bearing life, grease failure, and temperature rise of the bearing of the shot blasting machine head, and achieves increased holding capacity, reduced friction and wear, and good performance. The effect of pressure and anti-wear properties

Inactive Publication Date: 2018-11-30
CHINA PETROLEUM & CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a kind of lubricating grease for the ball bearing of the shot blasting machine, select suitable thickener, base oil and additives, solve the temperature rise of the ball bearing lubrication of the shot blasting machine, insufficient bearing life, excessive grease In order to solve problems such as premature failure, a kind of lubricating grease was invented for the bearing of the shot blasting machine to meet the lubrication requirements of the equipment

Method used

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  • Lubricating grease for blaster head bearing of shot blasting machine
  • Lubricating grease for blaster head bearing of shot blasting machine
  • Lubricating grease for blaster head bearing of shot blasting machine

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Embodiment Construction

[0022] The present invention will be further elaborated below by specific examples.

[0023] Each embodiment and comparative example preparation method:

[0024] Embodiment 1-8 and comparative example

[0025] Add the thickener and 40%-60% base oil into the reaction kettle, stir and heat to 210-220°C, keep the temperature constant for 8-12 minutes, cool down to 160-180°C, add antioxidant, cool down to 130-150°C Add extreme pressure anti-wear agent, add 10%-30% base oil to cool, continue to stir, add the remaining base oil, stir to cool down to below 90°C, add structure improver, stir and mix evenly. The composition is oil-pressed three times by a three-roller machine, and then filtered through a 100-mesh screen, and the finished product is packed in cans.

[0026] Embodiment 1-8 component content and comparative example component content are shown in Table 1

[0027] Table 1 embodiment 1-8 component content and comparative example component content

[0028]

[0029] Emb...

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Abstract

The invention relates to lubricating grease for a blaster head bearing of a shot blasting machine. The lubricating grease comprises base oil, a thickening agent, a structural modifier, an extreme-pressure anti-wear agent and an antioxidant. The lubricating grease is prepared according to the following steps: adding the thickening agent and 40-60% of the base oil into a reaction kettle, carrying out stirring and heating to 210-220 DEG C, keeping the temperature for 8-12 minutes, carrying out cooling to 160-180 DEG C, adding the antioxidant, carrying out cooling to 130-150 DEG C, adding the extreme-pressure anti-wear agent, adding 10-30% of the base oil, carrying out cooling, continuing to carry out stirring, adding the remaining base oil, carrying out stirring and cooling to 90 DEG C or below, adding the structure improver, and uniformly carrying out mixing by stirring. The produced lubricating grease has a relatively high melting point, good structural stability and good shearing resistance, and the consistency variation of the lubricating grease in a strong shearing environment in the bearing is small, so that the adhesion of the lubricating grease is guaranteed. The condensationpoint of the base oil is low, the cone penetration degree of the lubricating grease is 290-310, and the low-temperature pumping performance of the lubricating grease is ensured. The lubricating greaseis suitable for lubricating requirements of the working conditions of the blaster head bearing of the shot blasting machine.

Description

technical field [0001] The invention belongs to the technical field of lubricating grease, and relates to a lubricating grease for a ball bearing of a shot blasting machine. Background technique [0002] Shot blasting machine is a processing technology that impacts steel sand and steel shots on the surface of material objects by high-speed throwing of steel sand and steel shots through a shot blasting machine. Powered by an electromechanical shot blaster, the high-speed projectiles thrown by the shot blaster are used to clean or strengthen the surface of metal workpieces. The shot blasting machine can clean various residues on the surface of metal workpieces, and can shake out sand, remove cores and clean castings. Shot blasting relies on the high-speed rotation of the impeller. The abrasive in the center of the impeller is pre-accelerated by the regulator and the impeller, and then sent to the blade area and then thrown out at a high speed. The speed can exceed 100m / s. Du...

Claims

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Application Information

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IPC IPC(8): C10M169/06C10M177/00C10N50/10C10N40/02C10N30/06C10N30/02C10N30/08C10N30/10
CPCC10M169/06C10M177/00C10M2201/087C10M2205/0206C10M2207/1265C10M2207/1276C10M2207/1285C10M2207/283C10M2215/042C10M2219/087C10N2030/02C10N2030/06C10N2030/08C10N2030/10C10N2040/02C10N2050/10C10N2030/68C10N2030/72C10N2020/02C10N2010/02C10N2010/04
Inventor 马爱民莫林和张广辽刘翠苹栗志彬
Owner CHINA PETROLEUM & CHEM CORP
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