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Preparation method of annular flexing resistant synchronous belt

A timing belt and tortuous resistance technology, applied in the field of timing belts, can solve the problems of unreasonable ratio, inability to effectively achieve tortuosity resistance, and inability to achieve optimal performance, and achieve the effect of superior performance, superior performance and effective performance.

Inactive Publication Date: 2019-03-15
NINGBO GUL TZ RUBBER BELT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the shortcomings of the existing existing proportions that are not reasonable enough, so that the performance cannot be optimal, and the performance of bending resistance cannot be effectively achieved, and a preparation method of an endless bending-resistant synchronous belt is proposed.

Method used

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  • Preparation method of annular flexing resistant synchronous belt
  • Preparation method of annular flexing resistant synchronous belt
  • Preparation method of annular flexing resistant synchronous belt

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Embodiment Construction

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them.

[0031] A preparation method of an endless tortuous-resistant synchronous belt, comprising the following mass percentages: 4% MOCA, 1% release agent, 5% lubricant, 12% chain extender, 8% plasticizer, 5% steel wire rope, 3% glass fiber rope %, aramid fiber 2%, polyol 40% and polyisocyanate 20%;

[0032] The polyisocyanate is diphenylmethane diisocyanate, 2.4-toluene diisocyanate, 2.6-toluene diisocyanate, toluene diisocyanate, xylaniline diisocyanate, 1.5-naphthalene diisocyanate, polymethylene polyphenyl isocyanate, isophor One of ketone diisocyanate, hexamethylene diisocyanate, dicyclohexylmethane diisocyanate and p-phenylene diisocyanate;

[0033] The polyol is one of adipic acid, sebacic acid, suberic acid and succinic acid, and contain...

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Abstract

The invention discloses a preparation method of an annular flexing resistant synchronous belt. The synchronous belt comprises the following raw materials by mass percentage: 4% of MOCA (4,4'-methylenebis(2-chloroaniline)), 1% of releasing agent, 5% of lubricant, 12% of chain extender, 8% of plasticizer, 5% of steel wire rope, 3% of glass cord, 2% of aramid fiber, 40% of polyhydric alcohol and 20%of polyisocyanate, wherein polyisocyanate is one of diphenylmethane diisocyanate, 2,4-toluene diisocynate, 2,6-toluene diisocynate, toluidine diisocyanate, xylidine diisocyanate, 1,5-naphthalene diisocyanate, polymethylene polybenzene isocyanate, isophorone diisocyanate, hexamethylene diisocyanate, dicyclohexyl methane diisocyanate and p-phenylene diisocyanate. The method obviously improves wearresistance, tension resistance and flexing resistance of the synchronous belt, and the whole synchronous belt has better properties.

Description

technical field [0001] The invention relates to the technical field of synchronous belts, in particular to a preparation method of an endless tortuous-resistant synchronous belt. Background technique [0002] The synchronous belt is an endless belt with steel wire rope or glass fiber as the strength layer and covered with polyurethane or neoprene rubber. The inner circumference of the belt is toothed to mesh with the toothed pulley. When the synchronous belt is driven, the transmission ratio is accurate, the force on the shaft is small, the structure is compact, the oil resistance is good, the wear resistance is good, and the anti-aging performance is good. The general operating temperature is -20°C-80°C, v<50m / s, P<300kw, i<10, it can also be used for low-speed transmission for synchronous transmission. [0003] The main problems of the synchronous belt are the fatigue fracture of the belt body; the shearing and crushing of the belt teeth; The belt body is broken...

Claims

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Application Information

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IPC IPC(8): C08L75/04C08L77/10C08K7/06C08K7/14
CPCC08L75/04C08L2205/16C08L77/10C08K7/06C08K7/14
Inventor 应建丽胡志洪
Owner NINGBO GUL TZ RUBBER BELT
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