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A kind of composite mechanical material for gear and its preparation method

A technology of machinery and gears, which is applied in the field of composite mechanical materials and preparation of gears, can solve the problems of poor heat resistance, achieve high temperature resistance, impact strength and antistatic performance, and improve acid and alkali resistance

Inactive Publication Date: 2019-09-17
XIAN TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the above problems, the present invention provides a composite mechanical material for gears and its preparation method, which solves the problem that the heat resistance of existing plastic gears is still poor

Method used

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  • A kind of composite mechanical material for gear and its preparation method

Examples

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Embodiment 1

[0024] A composite mechanical material for gears, made of the following components in parts by weight: 40 parts of polyamide matrix, 20 parts of reinforcing agent, 5 parts of polyurethane, and 5 parts of curing agent; the polyamide matrix consists of the following parts by weight Made of several components: 14 parts of polyamide resin, 1 part of modified epoxy resin, 0.5 part of mesoporous silica; the reinforcing agent is made of the following components by weight: 30 parts of graphite powder, glass 5 parts of fiber, 2 parts of molybdenum disulfide, 1 part of lanthanum acetate, and 1 part of europium nitrate; the pore diameter of the mesoporous silica is 30-35nm, the polyurethane is polyurethane elastomer, and the curing agent is 200 low molecular weight polyamide. Including the following preparation steps:

[0025] Step 1, weighing each component according to the following parts by weight: 14 parts of polyamide resin, 1 part of modified epoxy resin, and 0.5 part of mesoporou...

Embodiment 2

[0031] A composite mechanical material for gears, comprising 60 parts of a polyamide matrix, 30 parts of a reinforcing agent, 4 parts of a polyurethane, and 8 parts of a curing agent; the polyamide matrix is ​​made of the following components in parts by weight: polyamide resin 14 1 part, 1 part of modified epoxy resin, 0.5 part of mesoporous silica; the reinforcing agent is made of the following components in parts by weight: 30 parts of graphite powder, 8 parts of glass fiber, 2 parts of molybdenum disulfide, acetic acid 1 part of lanthanum, 1 part of europium nitrate; the pore diameter of the mesoporous silica is 35-40nm, the polyurethane is polyurethane elastomer, the curing agent is 200 low-molecular polyamide, and the polyamide resin is polyamide -610. The preparation method is the same as that of Example 1, except that the formula is changed into that of Example 2.

Embodiment 3

[0033] A composite mechanical material for gears, comprising 42 parts of a polyamide matrix, 26 parts of a reinforcing agent, 3 parts of a polyurethane, and 5 parts of a curing agent; the polyamide matrix is ​​made of the following components in parts by weight: polyamide resin 14 1 part, 1 part of modified epoxy resin, 0.5 part of mesoporous silica; the reinforcing agent is made of the following components in parts by weight: 30 parts of graphite powder, 7 parts of glass fiber, 2 parts of molybdenum disulfide, acetic acid 1 part of lanthanum, 1 part of europium nitrate; the pore diameter of the mesoporous silicon dioxide is 30-35 nm, the polyurethane is polyurethane elastomer, and the curing agent is 200 low-molecular polyamide. The preparation method is the same as in Example 1, except that the formula is changed into that of Example 3.

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Abstract

The invention belongs to the technical field of mechanical materials and particularly discloses a composite mechanical material for gears and a preparation method of the composite mechanical materials. The composite mechanical material is prepared by, by weight, 40-60 parts of polyamide matrix, 20-30 parts of reinforcing agent, 2-5 parts of polyurethane and 5-8 parts of curing agent, wherein the polyamide matrix is prepared by, by weight, 14 parts of polyamide resin, 1 part of modified epoxy resin and 0.5 part of mesoporous silica; the reinforcing agent is prepared by, by weight, 30 parts of graphite powder, 5-8 parts of glass fibers, 2 parts of molybdenum disulfide, 1 part of lanthanum acetate and 1 part of europium nitrate. The composite mechanical material has the advantages that the high temperature resistance of the composite mechanical material is increased by more than 16.5%, and the acid and alkali resistance, the tensile strength, the impact strength and the static resistance of the composite mechanical material are improved to different degrees.

Description

technical field [0001] The invention belongs to the technical field of composite mechanical materials, and in particular relates to a composite mechanical material for gears and a preparation method. Background technique [0002] Composite mechanical materials refer to two or more than two different materials, which are composited into new materials by appropriate methods, and their performance is superior to that of a single material. The biggest feature of composite materials is the designability of performance. Since there are many factors affecting the performance of composite materials, it mainly depends on the performance, content and distribution of the matrix material and the reinforcing material, as well as the interface bonding between the matrix material and the reinforcing material. According to actual needs, reinforcing materials are usually divided into high temperature resistant materials, wear-resistant materials, corrosion-resistant materials or natural agin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L77/00C08L63/00C08L75/04C08K13/04C08K7/26C08K5/098C08K3/04C08K7/14B29C48/92
Inventor 王强锋白瑀曹岩汪晶仵宁飞高硕吴庆云刘长柱赵迪吴雨佳程文寇啸溪戚建尧韩冲张烁烁田良胡一凡
Owner XIAN TECH UNIV
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