CN102478090B - Novel environmental-friendly wear and high-temperature resistant friction plate - Google Patents

Abstract

A novel environmental-friendly wear and high-temperature resistant friction plate relates to the field of production and processing of automobile parts; a technological process comprises the following steps of: drying asbestos-free cloth; preparing a resin alcoholic solution, wherein the ratio of phenolic resin to hexamethylene tetramine to alcohol is 1:1:5; dipping the asbestos-free cloth by resin; orderly airing the asbestos-free cloth dipped with the resin on a material frame; starting a rubber mixing mill, adjusting the roller spacing to be 1-2mm, and placing styrene-butadiene rubber on a rubber mixing mill for mastication; adding an accessory ingredient padding for mixing; adding a solvent naphtha padding for pulping; carrying out rubber dipping on the asbestos-free cloth dipped with the resin through a rubber dipping machine; tailoring the asbestos-free cloth dipped with a sizing material, and winding the tailored asbestos-free cloth on a blank; putting the blank wound with the asbestos-free cloth in a pressing machine, and carrying out hot-press forming on the blank; putting the formed blank in a drying oven for carrying out thermal treatment; after finishing the thermal treatment, polishing the product with a machine tool; and checking the packaging and putting the product in storage. The novel environmental-friendly wear and high-temperature resistant friction plate has the beneficial effects of environmental friendliness, abrasion resistance and high temperature resistance.

Description

Novel environment friendly Wear-resistant, high-temperature resistant friction plate

Technical field:

The present invention relates to auto parts machinery production and processing field, relate in particular to the one-tenth production. art of Friction Facing on Clutch Disc in Heavy, specifically a kind of production technology of novel environment friendly Wear-resistant, high-temperature resistant friction plate.

Background technique:

The domestic and international market is with rapid changepl. never-ending changes and improvements of a great variety for the application of Friction Facing on Clutch Disc in Heavy at present, and the client is also day by day to improve to the requirement of friction plate correlated performance simultaneously.The general class of interpolation material of present clutch friction plate of the same trade is all lower, is all some ore deposit prepared materials, and different ore deposit prepared materials also divides quality, and the effect after it adds also differs.At first will satisfy wear-resisting and resistant to elevated temperatures requirement for friction plate, in the wear-resisting working life that namely refers to product, general product of the same trade was divided on working life: 3 months, 6 months, 1 year (according to vehicle class), can not satisfy client's requirement; Automobile is in use got down hopeless in a quagmire sometimes or the situation such as heavy duty occurs, in this case clutch friction plate run up and when painstaking as easy as rolling off a log generation high temperature cause the burning sheet, thereby cause vehicle not use.

Summary of the invention:

In order to solve the flimsy problem of Friction Facing on Clutch Disc in Heavy, satisfy wear-resisting wiping, resistant to elevated temperatures performance requirement, the invention provides a kind of novel environment friendly Wear-resistant, high-temperature resistant friction plate.

Technological scheme of the present invention is as follows:

Novel environment friendly Wear-resistant, high-temperature resistant friction plate is characterized in that,

Flow is as follows:

A. process without asbestos cloth is dry, make absorption water content≤1.5%;

B. configure the resin alcoholic solution, phenolic resin: hexamethylenetetramine: alcohol=1: 1: 5, according to output, that phenolic resin, hexamethylenetetramine is slightly mixed in proportion, break into pieces through the F-400 shredder and pulverize, resin, alcohol after pulverizing are dropped in proportion break into resin solution in stirrer;

C. without the asbestos cloth insulating varnish, the resin alcoholic solution that configures is dropped in the impregnation trough, after start, asbestos cloth is passed between two rollers, the compensation roll distance is controlled resin content;

D. soak fat and process without asbestos cloth is dry, will soak neatly drying in the air without asbestos cloth of resin and be put on bin, make its drying;

E. the rubber mastication, start opening rubber mixing machine, tried out 1～2 minute, and compensation roll is placed in the styrene butadiene rubber that measures on rubber mixing machine mastication 2～3 minutes apart from 1～2mm;

F. add the compounding ingredient filler mixing, 1. after wrapping roller, add ceramic powder, altax, antioxidant d, zine oxide, aluminium oxide, mixing evenly after, play the triangle bag 2～3 times, 2. adjust roll spacing 3～4mm and add barium sulphate, carbon black, feldspar powder, until material mixing evenly after, material in the cleaning receiver adds in elastomeric compound, add at last sulphur, play continuously the triangle bag 3～4 times, 3. adjust roll spacing 1～2mm, the sizing material roller is peeled material, cut out bar standby;

G. solubilizer oil packing making beating, with the adhesive tape metering 200kg that cuts out, in the input beater, resin 48kg, potter's clay 12kg, wollastonite 16kg, light magnesium oxide 8kg, barium sulphate 12kg, potassic feldspar 24kg with co-grinding, all drop in beaters, in the material total amount: the ratio of solvent oil mass=1: 0.8 adds solvent naphtha;

H. impregnation, that will soak resin carries out impregnation without asbestos cloth by gumming machine;

I. around embryo, according to the big or small weight of product, carry out cutting to what soaked sizing material without asbestos cloth, weight is according to the rules carried out weighing to what cut out without asbestos cloth, with being wound on blank without asbestos cloth of cutting, will check at any time the size of blank diameter when embryo;

J. hot-forming, the blank that coiling is good is placed in press, and is hot-forming;

K. heat treatment is put baking oven into after hot-forming and is heat-treated;

L. mill processing, after heat treatment was completed, with the lathe polishing, first the examination mill was 3～5, measures inside and outside thickness of two sides, checks that can machine tool accuracy reach requirement;

M. check, outward appearance and frictional behaviour are tested according to the GB5764-1998 standard, and product size and limit deviation carry out according to product drawing;

N. packing is put in storage.

Above-mentioned control roller temperature＜70 ℃ of adding in the mixing operation of compounding ingredient filler are in case the vulcanization of rubber.

The invention has the beneficial effects as follows and use non-asbestos material as framework material, have advantages of environment friendly and pollution-free; By adding " ceramic powder " material, add the present invention in the improvement of production technology, extended working life; Resistance to high temperature improves.

Embodiment:

For a better understanding of the present invention, below in conjunction with specific embodiment, the present invention is done to describe further.

Embodiment one

1. process without asbestos cloth is dry, make absorption water content≤1.5%.

2. configure the resin alcoholic solution,

1. phenolic resin: hexamethylenetetramine: alcohol=1: 1: 5.

2. according to output, that phenolic resin, hexamethylenetetramine is slightly mixed in proportion, break into pieces through the F-400 shredder and pulverize.

3. the resin after pulverizing, alcohol drop in proportion and break into resin solution in stirrer.

3. without the asbestos cloth insulating varnish,

1. the resin alcoholic solution that configures is dropped in the impregnation trough.

2. the runin machine is 2～3 minutes, after determining that equipment is working properly, asbestos cloth is passed between two rollers, and the compensation roll distance is controlled resin content.

3. resinous amount is controlled at 18～22%, fugitive constituent 2～3.5%,

The computational methods of resin content:

$K=\frac{G1-G2}{G1}\×100\%$

K: resin content

G1: without the weight after the asbestos cloth resin pickup

G2: without the weight of asbestos cloth

4. will soak neatly drying in the air without asbestos cloth of resin and be put on bin, make its drying.

5. start opening rubber mixing machine, tried out 1～2 minute, compensation roll is placed in the styrene butadiene rubber that measures on rubber mixing machine mastication 2～3 minutes apart from 1～2mm.

6. add the compounding ingredient filler mixing,

1. after wrapping roller, add ceramic powder, altax, antioxidant d, zine oxide, aluminium oxide, mixing evenly after, play the triangle bag 2～3 times.

2. adjust roll spacing 3～4mm and add barium sulphate, carbon black, feldspar powder, until material mixing evenly after, the material in the cleaning receiver adds in elastomeric compound, adds at last sulphur, plays continuously the triangle bag 3～4 times.

3. adjust roll spacing 1～2mm, the sizing material roller is peeled material, cut out bar standby.

4. in operating process, control roller temperature＜70 ℃.In case the vulcanization of rubber.

7. solubilizer oil packing making beating,

1. with the adhesive tape metering 200kg that cuts out, drop in beater.

2. with resin 48kg, potter's clay 12kg, wollastonite 16kg, light magnesium oxide 8kg, barium sulphate 12kg, the potassic feldspar 24kg of co-grinding, all drop in beater.

3. in the material total amount: the ratio of solvent oil mass=1: 0.8 adds solvent naphtha.

4. first drop into 80% of solvent naphtha total amount, pulled an oar 4～5 hours.When there is no particulate matter in rubber cement, add solvent naphtha to established amount.And according to weather, carry out suitable fine setting.

8. impregnation, that 1. will soak resin carries out impregnation without asbestos cloth by gumming machine.

2. adjust the roll spacing of gumming machine, control gel content.Its ratio should be controlled to be: without asbestos cloth: sizing material=1: (0.8～0.9).

9. around embryo, according to the big or small weight of product, carry out cutting to what soaked sizing material without asbestos cloth, weight is according to the rules carried out weighing to what cut out without asbestos cloth, with being wound on blank without asbestos cloth of cutting, will check at any time the size of blank diameter when embryo.

10. hot-forming, the blank that coiling is good is placed in press, and is hot-forming,

The pressing process parameter:

1. press temperature: 175 ℃ (± 5 ℃)

2. unit pressure: 20～26Mpa

3. deflation time: calculated 10～20 seconds when reaching pressure from press.

4. press time is according to compressing half-finished thickness.

According to: 1～1.5min/mm calculates.

11. heat treatment is put baking oven into after hot-forming and is heat-treated,

1. product is stacked neat by specification.

2. the surrounding of product will leave the above distance of 15cm.

3. temperature-rise period: 140 ℃ of insulations 2 hours

160 ℃ are incubated 2 hours

180 ℃ are incubated 3.5 hours

When 4. maximum temperature finishes, cut off heating power supply.After continuing air blast 30, close general power.

5. oven temperature can be opened chamber door lower than 100 ℃.

12. mill processing, after heat treatment is completed, with the lathe polishing,

1. whether normally open lathe inspection running.

2. first examination is ground 3～5, measures inside and outside thickness of two sides, checks that can machine tool accuracy reach requirement.

13. check, 1. outward appearance and frictional behaviour are tested according to the GB5764-1998 standard.

2. product size and limit deviation carry out according to product drawing.

14. packing warehouse-in.

Above demonstration and described technological process of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification is only preference of the present invention; be not used for limiting the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.

Claims (2)

1. the production technology of a novel environment friendly Wear-resistant, high-temperature resistant friction plate, is characterized in that,

Flow is as follows:

A. process without asbestos cloth is dry, make absorption water content≤1.5%;

B. configure the resin alcoholic solution, phenolic resin: hexamethylenetetramine: alcohol=1: 1: 5, according to output, that phenolic resin, hexamethylenetetramine is slightly mixed in proportion, break into pieces through the F-400 shredder and pulverize, resin, alcohol after pulverizing are dropped in proportion break into resin solution in stirrer;

C. without the asbestos cloth insulating varnish, the resin alcoholic solution that configures is dropped in the impregnation trough, will pass between two rollers without asbestos cloth after start, the compensation roll distance is controlled resin content;

D. soak fat and process without asbestos cloth is dry, will soak neatly drying in the air without asbestos cloth of resin and be put on bin, make its drying;

E. the rubber mastication, start opening rubber mixing machine, tried out 1～2 minute, and compensation roll is placed in the styrene butadiene rubber that measures on rubber mixing machine mastication 2～3 minutes apart from 1～2mm;

F. add the compounding ingredient filler mixing, 1. after wrapping roller, add ceramic powder, altax, antioxidant d, zine oxide, aluminium oxide, mixing evenly after, play the triangle bag 2～3 times, 2. adjust roll spacing 3～4mm and add barium sulphate, carbon black, feldspar powder, until material mixing evenly after, material in the cleaning receiver adds in elastomeric compound, add at last sulphur, play continuously the triangle bag 3～4 times, 3. adjust roll spacing 1～2mm, the sizing material roller is peeled material, cut out bar standby;

G. solubilizer oil packing making beating, with the adhesive tape metering 200kg that cuts out, in the input beater, resin 48kg, potter's clay 12kg, wollastonite 16kg, light magnesium oxide 8kg, barium sulphate 12kg, potassic feldspar 24kg with co-grinding, all drop in beaters, in the material total amount: the ratio of solvent oil mass=1: 0.8 adds solvent naphtha;

H. impregnation, that will soak resin carries out impregnation without asbestos cloth by gumming machine;

I. around embryo, according to the big or small weight of product, carry out cutting to what soaked sizing material without asbestos cloth, weight is according to the rules carried out weighing to what cut out without asbestos cloth, with being wound on blank without asbestos cloth of cutting, will check at any time the size of blank diameter when embryo;

J. hot-forming, the blank that coiling is good is placed in press, and is hot-forming;

K. heat treatment is put baking oven into after hot-forming and is heat-treated;

L. mill processing, after heat treatment was completed, with the lathe polishing, first the examination mill was 3～5, measures inside and outside thickness of two sides, checks that can machine tool accuracy reach requirement;

M. check, outward appearance and frictional behaviour are tested according to the GB5764-1998 standard, and product size and limit deviation carry out according to product drawing;

N. packing is put in storage.

2. the production technology of novel environment friendly Wear-resistant, high-temperature resistant friction plate according to claim 1 is characterized in that: above-mentioned control roller temperature＜70 ℃ of adding in the mixing operation of compounding ingredient filler, in case the vulcanization of rubber.