A kind of paper-based friction material for adaptive automatic transmission and manufacturing method

A paper-based friction material, automatic transmission technology, applied in the direction of synthetic cellulose/non-cellulose material pulp/paper, paper, papermaking, etc. problem, to achieve the effect of excellent durability, stable friction performance, and small thermal recession

Active Publication Date: 2017-08-29
黄山奔马集团有限公司
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a paper-based friction material for an adaptive automatic transmission and a manufacturing method, so as to solve the problem that the friction performance of the existing paper-based friction material is greatly changed due to the influence of external loads, the durability is poor, and it cannot meet the requirements of the adaptive automatic transmission. The Requirements of Torque Transmission by Middle Elastic Taper Sleeve Friction Material of Transmission

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of paper-based friction material for adaptive automatic transmission and manufacturing method
  • A kind of paper-based friction material for adaptive automatic transmission and manufacturing method
  • A kind of paper-based friction material for adaptive automatic transmission and manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1, with the carbon fiber of 12 parts by weight, the aramid fiber pulp of 15 parts by weight, 10 parts by weight of modified phenolic resins, 9 parts by weight of powdered nitrile rubber, 5 parts by weight of graphite, 12 parts by weight of vermiculite, 18 parts by weight of Put diatomaceous earth, 3 parts by weight of friction powder and 0.5 parts by weight of slurry additive into a mixer, and stir for 5 minutes at a speed of 1000-1500r / min to make it evenly mixed into a mixed dry material; mix the dry material 15 parts by weight of cellulose paper are put into the beating tank, injected with water and nitrile latex, wherein the weight ratio of the mixed dry material, the sum of cellulose paper and water is 8:42; then stir in the pulp tank for 4 hours, after stirring evenly Input it into the refining tank for refining for 1 hour to make a uniform mixed slurry. Pass the mixed slurry through the automatic papermaking forming drying line at a uniform speed, and ...

Embodiment 2

[0025] Embodiment 2, with the carbon fiber of 10 parts by weight, the aramid fiber pulp of 13 parts by weight, 13 parts by weight of modified phenolic resins, 7 parts by weight of powdered nitrile rubber, 7 parts by weight of graphite, 10 parts by weight of vermiculite, 16 parts by weight Diatomaceous earth, 5 parts by weight of friction powder and 0.8 parts by weight of slurry additives are put into a mixer, stirred at a speed of 1000-1500 r / min for 5 minutes, and mixed evenly to obtain a mixed dry material. Put the mixed dry material and 18 parts by weight of cellulose paper into the beating tank, inject water and nitrile latex, wherein the weight ratio of the mixed dry material, cellulose paper and water is 7.5:42.5; stir in the pulp tank for 4 hours, After stirring evenly, input it into the refining pool for refining for 1 hour to make a uniform mixed slurry. Pass the mixed slurry through the automatic papermaking forming drying line at a constant speed, and precisely cont...

Embodiment 3

[0026] Embodiment 3, with the carbon fiber of 9 parts by weight, the aramid fiber pulp of 10 parts by weight, 15 parts by weight of modified phenolic resins, 5 parts by weight of powdered nitrile rubber, 9 parts by weight of graphite, 8 parts by weight of vermiculite, 15 parts by weight of Diatomaceous earth, 8 parts by weight of friction powder and 1 part by weight of slurry additive are stirred at a high speed of 1000-1500 r / min for 5 minutes to make them evenly mixed to obtain a mixed dry material. Put the mixed dry material and 20 parts by weight of cellulose paper into the beating tank, inject water and nitrile latex, and the weight ratio of the mixed dry material, cellulose paper and water is 7:43; stir in the pulp tank for 4 hours , after stirring evenly, put it into the refining tank for refining for 1 hour to make a uniform mixed slurry. Pass the mixed slurry through the automatic papermaking forming drying line at a constant speed, and precisely control the thickness...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
thicknessaaaaaaaaaa
lengthaaaaaaaaaa
diameteraaaaaaaaaa
Login to view more

Abstract

The invention relates to a paper-based frictional material for a self-adaptive automatic transmission. The material comprises the following components in parts by weight: 15-20 parts of cellulose paper, 8-12 parts of carbon fiber, 10-15 parts of aramid fiber pulp, 10-15 parts of modified phenolic resin, 5-10 parts of powder nitrile rubber, 5-10 parts of graphite, 6-12 parts of vermiculite, 15-20 parts of diatomite, 4-8 parts of a frictional agent and 0.5-1 part of a slurry auxiliary. The material provided by the invention can be used for effectively solving the problems that the frictional performance of the paper-based frictional material is great in change due to the influence of outer load and poor in durability and cannot satisfy the requirement on transmission torque of an elastic taper sleeve frictional material in the self-adaptive automatic transmission, and the material can be widely applied to the field of paper-based frictional materials for transmissions.

Description

technical field [0001] The invention relates to a paper-based friction material for an adaptive automatic transmission and a manufacturing method. Background technique [0002] Paper-based friction material is a key functional material widely used in wet clutches such as construction machinery gearboxes, automobile automatic gearboxes and motorcycles. It is mainly composed of fibers, binders, friction performance regulators, fillers, etc. Made with paper craft. The medium-elastic taper sleeve paper-based friction material used in adaptive automatic transmissions transmits torque by pressing the cone surface to generate friction, and is also affected by external loads during the transmission process, so the friction material is required not only to have sufficient mechanical At the same time, it is also required that the friction material has small thermal degradation, good recovery performance, and low wear rate. However, the friction performance of the existing paper-based...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): D21H15/12D21H13/50D21H13/26D21H17/68D21H17/21D21H21/14
Inventor 华少杰邵焕华
Owner 黄山奔马集团有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap