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A kind of synchronous belt and its manufacturing method

A synchronous belt and frame technology, applied in the field of belt transmission, can solve the problems of synchronous belt reliability reduction, resistance to tortuous stability, etc., and achieve excellent physical and mechanical properties, improved elasticity, and excellent low-temperature performance

Active Publication Date: 2017-09-26
NINGBO FULONG SYNCHRONOUS BELT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the glass fiber rope also has many disadvantages, such as brittleness, intolerance to twists and turns, and poor stability to impact loads, resulting in reduced reliability of the synchronous belt.

Method used

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  • A kind of synchronous belt and its manufacturing method
  • A kind of synchronous belt and its manufacturing method
  • A kind of synchronous belt and its manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The synchronous belt of this embodiment comprises a synchronous belt skeleton and a synchronous belt film wrapped outside the synchronous belt skeleton, and the synchronous belt film is composed of the following raw materials in parts by weight:

[0033]

[0034] The skeleton of the synchronous belt includes a cloth cover and a skeleton yarn wound on the cloth cover, and the skeleton yarn is prepared by blending nano-carbon fiber, aramid fiber and glass fiber at a weight ratio of 1:1:8.

[0035] The preparation method of above-mentioned synchronous belt, comprises the steps:

[0036] (1) Preparation of synchronous belt film

[0037] Pass hydrogenated nitrile butadiene rubber, polycarbonate and polytrimethylene terephthalate on the mill for 4 times respectively, then mix the hydrogenated nitrile butadiene rubber, polycarbonate and polytrimethylene terephthalate after mastication Botongda triangular bag 10 times;

[0038] Add polyurethane elastomer, ethylene-vinyl ac...

Embodiment 2

[0044]The synchronous belt of this embodiment comprises a synchronous belt skeleton and a synchronous belt film wrapped outside the synchronous belt skeleton, and the synchronous belt film is composed of the following raw materials in parts by weight:

[0045]

[0046]

[0047] The skeleton of the synchronous belt includes a cloth cover and a skeleton yarn wound on the cloth cover, and the skeleton yarn is prepared by blending nano-carbon fiber, aramid fiber and glass fiber in a weight ratio of 1:1:4.

[0048] The preparation method of above-mentioned synchronous belt, comprises the steps:

[0049] (1) Preparation of synchronous belt film

[0050] Pass hydrogenated nitrile butadiene rubber, polycarbonate and polytrimethylene terephthalate on the open mill for 3 times respectively, then mix the hydrogenated nitrile butadiene rubber, polycarbonate and polytrimethylene terephthalate after mastication Bo Tong Da triangular bag 8 times;

[0051] Add polyurethane elastomer, ...

Embodiment 3

[0057] The synchronous belt of this embodiment comprises a synchronous belt skeleton and a synchronous belt film wrapped outside the synchronous belt skeleton, and the synchronous belt film is composed of the following raw materials in parts by weight:

[0058]

[0059]

[0060] Wherein, the curing agent is obtained by mixing 3,5-dimethylthiotoluenediamine and 4,4'-methylene-bis-(2,6-diethylaniline) in a weight ratio of 2:1.

[0061] The skeleton of the synchronous belt includes a cloth cover and a skeleton yarn wound on the cloth cover, and the skeleton yarn is made of nano-carbon fiber, aramid fiber and glass fiber blended at a weight ratio of 1:1:6.

[0062] (1) Preparation of synchronous belt film

[0063] The hydrogenated nitrile butadiene rubber, polycarbonate and polytrimethylene terephthalate were passed through the mill for 5 times respectively, and then the hydrogenated nitrile butadiene rubber, polycarbonate and polytrimethylene terephthalate after mastication...

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Abstract

The invention discloses a synchronous belt and a manufacturing method thereof. The synchronous belt includes a synchronous belt frame and a synchronous belt film wrapped outside the synchronous belt frame. The synchronous belt film is composed of the following raw materials in parts by weight: 40 ‑60 parts hydrogenated nitrile rubber, 10‑20 parts polyurethane elastomer, 5‑8 parts polycarbonate, 2‑5 parts ethylene‑vinyl acetate copolymer, 3‑5 parts polytrimethylene terephthalate, 4 parts -8 parts of γ-methacryloxypropyl trimethoxysilane, 2-4 parts of curing agent, 1-3 parts of anti-aging agent, 1-4 parts of lubricant. In the present invention, hydrogenated nitrile rubber, polyurethane elastomer, polycarbonate, ethylene-vinyl acetate copolymer, polytrimethylene terephthalate, etc. are used in combination to complement their performance, effectively improving the heat-resistant and wear-resistant properties of the synchronous belt. elasticity.

Description

technical field [0001] The invention belongs to the technical field of belt transmission, and in particular relates to a synchronous belt for belt transmission and a manufacturing method thereof. Background technique [0002] The synchronous belt is a new type of transmission belt whose working surface is a toothed structure, and the belt teeth are meshed with the gear teeth to transmit power. Synchronous belt drive combines the advantages of chain drive, belt drive and gear drive, and has the characteristics of accurate transmission, low noise, high efficiency, large speed ratio, no pollution, low energy consumption, compact mechanical structure, etc., and has a large transmission power range. [0003] Synchronous belt mainly includes synchronous belt film and synchronous belt skeleton. [0004] Early synchronous belts were made of cast polyurethane rubber, which has the advantages of general liquid rubber and does not require equipment such as rubber mixing and calenderin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L15/00C08L75/04C08L69/00C08L23/08C08L67/02C08L71/08C08L77/00C08K13/04C08K7/14C08K7/06C08K5/5425C08F291/02C08F291/12C08F291/06F16G1/14
Inventor 林胤林齐福潘海瑞邓蓉萱沈卫红黄海滨郑冬岳李在银杨宝坤周云殷明亮
Owner NINGBO FULONG SYNCHRONOUS BELT
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