CN106147707A - A kind of method that black makes brake block without asbestos batch mixing - Google Patents
A kind of method that black makes brake block without asbestos batch mixing Download PDFInfo
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- CN106147707A CN106147707A CN201510193528.XA CN201510193528A CN106147707A CN 106147707 A CN106147707 A CN 106147707A CN 201510193528 A CN201510193528 A CN 201510193528A CN 106147707 A CN106147707 A CN 106147707A
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Abstract
A kind of method that black makes brake block without asbestos batch mixing, mainly comprises the following steps cotton stem, branch, the artificial carbonization of corn straw become graphite powder-hot pressing-heat treatment-cutting-mill inner arc-inspection inner arc outward appearance-mill outer arc-inspection outer arc outward appearance-confirmation lining thickness-cuts length-chamfering-product inspection.The method with the addition of with cotton stem, branch, the graphite powder of the artificial carbonization of corn straw in composite friction material formula, enhances heat stability, improves braking quality and braking effect, reduce wear rate and production cost, stable friction factor, brake noise is little, adds economic benefit.
Description
Technical field
The present invention relates to brake of motor-driven vehicle friction materials technology field, particularly relate to one black and make brake without asbestos batch mixing
The method of sheet.
Background technology
Since reform and opening-up, national economy quickly increases, and scientific and technical innovation, autonomous innovation have become the main flow of domestic industry development,
China's industry the most progressively develops to intensive style, energy-saving and emission-reduction, the direction of low-carbon (LC).Along with the raising day by day of people's living standard, right
The demand of automobile is the most increasing.In recent years, the production and marketing quantity of China's automobile industry constantly increases, and China becomes a vapour already
Car production and marketing big country.On automobile, most important security system is exactly brakes, and all of brake component is all safety member, brake block
It is one of link important in whole brakes, directly influences the reliability of whole brakes.Brake block and brake disc (drum)
Phase mutual friction forms friction pair, produces braking moment, thus reaches the purpose of vehicle deceleration brake.Brake in motor vehicles
Sheet mainly uses the plurality of raw materials such as asbestos, steel fibre, resin to make, made brake block have than great, heat conductivity is low,
, there is brake poor reliability, quick abrasion, easy aging fracture, use the longevity in the shortcomings such as poor heat stability, noise height and non-refractory
Order the defects such as short.Secondly as asbestos are prohibited use containing carcinogen by country.At present, stop as asbestos
The substitute products of car sheet, typically use the materials such as mineral fibres, Carbon fibe, steel fibre to make, but existence the most in various degree is melted
Point is low, heat stability is low, radiating effect is poor, coefficient of friction is little, braking quality is poor, service life is short, manufacturing cost is high lacks
Point, especially under frequently braking or emergency brake state, the rubbing surface of brake block easily produces metal transfer and scuffing, leads
The sensitivity causing brake block clutch declines.In order to solve the problems referred to above, the technical staff of R&D institution and enterprise constantly exploring,
Research, it is desirable to develop the brake block of a kind of superior performance, to meet the market demand, although make some progress, but
Practice remains the technical barrier not yet overcome.
Summary of the invention
It is an object of the invention to overcome above deficiency, it is provided that a kind of method that black makes brake block without asbestos batch mixing, multiple
Close in friction material formulation and with the addition of with cotton stem, branch, the graphite powder of the artificial carbonization of corn straw, enhance thermally-stabilised
Property, improve braking quality and braking effect, reduce wear rate and production cost, stable friction factor, brake noise is little, increases
Economic benefit.
The technical solution adopted for the present invention to solve the technical problems is as follows: a kind of black makes the side of brake block without asbestos batch mixing
Method, adds following material composition: resin 13%, coke 4%, silicon gray cotton 8%, butadiene acrylonitrile rubber powder 4%, cotton stem, branch, corn stalk
The graphite powder 13% of the artificial carbonization of stalk, Frication powder 4%, aluminium oxide 2%, feldspar powder 5%, dragon ridge fiber 10%, zinc stearate
0.5%, barium sulfate 10%, steel fibre 5%, glass 3%, flatiron ore deposit 4%, tyre talc 5%, magnesium oxide 2%, carbon black 1.5%, carbonic acid
Calcium 6%.
The method that described a kind of black makes brake block without asbestos batch mixing makes as follows:
The artificial carbonization of cotton stem, branch, corn straw becomes graphite powder-hot pressing-heat treatment-cutting-mill inner arc-inspection inner arc
Outward appearance-mill outer arc-inspection outer arc outward appearance-confirmation lining thickness-cut length-chamfering-product inspection.
One, cotton stem, branch, the artificial carbonization of corn straw become graphite powder
1, cotton stem, branch, corn straw are selected materials cleaning
Select the cotton stem of a term, branch, corn straw, mouldy, rot unusable, use new harvesting cotton stem,
After branch, corn straw are regained, clean the earth on straw and impurity.
2, dry
Cotton stem after cleaning, branch, corn straw carry out being exposed to the sun or drying under the sun.If dried, temperature is controlled
45 DEG C-55 DEG C, drying time controls at 1 hour-1.5 hours, but can not make cotton stem, branch, corn straw surface browning color
Or generation fragility, it is necessary to keep the original color of cotton stem, branch, corn straw and toughness.Detect by Moisture Meter,
Water content control not can exceed that 13% in about 9%-12%, water content maximum.
3, pulverize
Cotton stem after drying, branch, corn straw are pulverized, and a length of 0.1-0.2 cm after pulverizing is pulverized
After cotton stem, branch, corn straw must not outdoor storage, with dryness storehouse, stock is put, and is strictly on guard against and is again introduced into moisture content.
4, height is pressed into plug
Cotton stem after pulverizing, branch, corn straw are interior adds 5%20-40 mesh zonolite, and stirs with blender,
Utilize the characteristic of Vermiculitum high-temperature expansion, increase the uniformity that plug is heated, thus improve carbonization quality, then be pressed into bar-producing machine
A length of 10 centimetres, the plug of a diameter of 6 cm.
5, carbonization, grinding
(1), using track stove or industry kiln to carry out carbonization, the humidity discharging phase rises to 130 DEG C from igniting to furnace temperature, and the time is 4 little
Time.
(2), primary carbonization temperature from 130 DEG C to 250 DEG C, open aerator, to air blast in kiln, primary carbonization time is 4 little
Time, aerator leaves 30 minutes, stops 30 minutes, totally 4 times.
(3), full carbonization temperature from 250 DEG C to 500 DEG C, the heating-up time is 1.5 hours, after temperature rises to 500 DEG C, keep 2
Hour, after 2 hours, then it being warming up to 650 DEG C, the time is 4 hours, and during this, aerator leaves 1 hour, stops 1 hour, altogether
2 times, after 4 hours, it is warming up to 850 DEG C again, closes aerator afterwards, after 1 hour, open ventilation blower, send into air and steam,
Note controlling steam vapour amount, keep 6 hours.
(4), lower the temperature is carried out for 7 hours after full carbonization temperature reaches 850 DEG C, and first with a small amount of water slow cooling, temperature drops to
Stopping water after 200 DEG C, afterwards by Temperature fall in stove, after in-furnace temperature drops to 100 DEG C, opens fire door, carries out the coldest
But.
(5), with pulverizer, the carbon rod after full carbonization being pulverized, after being ground into fine particle, the fine particle of addition 5% is sliding
Stone, uniform stirring, then the powder of 100 mesh it is milled into Raymond mill.
Two, hot pressing
1, before operation, whether inspection temperature is in the range of 160 DEG C ± 20 DEG C, and whether manometric numerical value is within the scope of regulation；
2, open hot press and take out template, releasing agent is evenly coated in die cavity, puts into blender in equal portions ratio and mix,
Again mixed material is poured in die cavity, start compacting；
3, reasonably aerofluxus 2-3 time between front 60s, sees whether gas drains, and expands as base substrate also has, need to the row of then continuing to
Gas is until gas is drained；
4, by product take out after, reject product liner limit slitter edge, range estimation product have intact limit, unfilled corner, crackle, be layered, rise
Bubble, sand holes, strike sound and check the phenomenon such as foam inside；
5, nothing difference is certified products, is placed in order in Turnover Box by product.
Three, heat treatment
1, product is placed on grid in order, puts into baking oven；
2, oven door is closed, by air bleeding valve ON position；
3, switch on power, start blower fan, open heater switch, run program；
Four, cutting
1, cutting machine is adjusted to the spacing required, fixes location；
2, the blank liner removing mao angle is leaned against on location, open power supply cutting；
3, the liner after cutting, checks size.Batch production after qualified.
Five, mill inner arc: select and meet dimensional requirement grinding mold, liner is ground to the size met.
Six, inspection inner arc outward appearance: outward appearance meets the requirements, without disrepair phenomenon.
Seven, mill outer arc: select and meet dimensional requirement grinding mold, liner is ground to the size met.
Eight, inspection outer arc outward appearance: outward appearance meets the requirements, without disrepair phenomenon.
Nine, lining thickness is confirmed: kind of calliper.
Ten, length is cut: tape measure.
11, chamfering: range estimation.
12, product inspection: comparison size is tested.
Beneficial effects of the present invention: with the addition of in composite friction material formula with cotton stem, branch, the artificial carbonization of corn straw
Graphite powder, enhance heat stability, improve braking quality and braking effect, reduce wear rate.This product is widely used in
Transportation and communication and the friction material of various Working machine friction stopping device.Playing regulation friction as friction material is
Several, wear-resisting, lubricate, protect antithesis, noise when lowering brake block brake, reduce production cost, stable friction factor,
Brake noise is little, adds economic benefit.
Detailed description of the invention
It is presented herein below in conjunction with the embodiments that the invention will be further described:
The brake block that following steps for manufacturing black is made without asbestos batch mixing:
One, cotton stem, branch, the artificial carbonization of corn straw become graphite powder
1, cotton stem, branch, corn straw are selected materials cleaning
Selecting the cotton stem of a term, branch, corn straw half ton, mouldy, rotten is unusable, uses the cotton of new harvesting
After line rod, branch, corn straw are regained, clean the earth on straw and impurity.
2, dry
Cotton stem after cleaning, branch, corn straw carry out being exposed to the sun or drying under the sun.If dried, temperature is controlled
45 DEG C-55 DEG C, drying time controls at 1 hour-1.5 hours, but can not make cotton stem, branch, corn straw surface browning color
Or generation fragility, it is necessary to keep the original color of cotton stem, branch, corn straw and toughness.Detect by Moisture Meter,
Water content control not can exceed that 13% in about 9%-12%, water content maximum.
3, pulverize
Cotton stem after drying, branch, corn straw are pulverized, and a length of 0.1-0.2 cm after pulverizing is pulverized
After cotton stem, branch, corn straw must not outdoor storage, with dryness storehouse, stock is put, and is strictly on guard against and is again introduced into moisture content.
4, height is pressed into plug
Cotton stem after pulverizing, branch, corn straw are interior adds 5%20-40 mesh zonolite, and stirs with blender,
Utilize the characteristic of Vermiculitum high-temperature expansion, increase the uniformity that plug is heated, thus improve carbonization quality, then be pressed into bar-producing machine
A length of 10 centimetres, the plug of a diameter of 6 cm.
5, carbonization, grinding
(1), using track stove or industry kiln to carry out carbonization, the humidity discharging phase rises to 130 DEG C from igniting to furnace temperature, and the time is 4 little
Time.
(2), primary carbonization temperature from 130 DEG C to 250 DEG C, open aerator, to air blast in kiln, primary carbonization time is 4 little
Time, aerator leaves 30 minutes, stops 30 minutes, totally 4 times.
(3), full carbonization temperature from 250 DEG C to 500 DEG C, the heating-up time is 1.5 hours, after temperature rises to 500 DEG C, keep 2
Hour, after 2 hours, then it being warming up to 650 DEG C, the time is 4 hours, and during this, aerator leaves 1 hour, stops 1 hour, altogether
2 times, after 4 hours, it is warming up to 850 DEG C again, closes aerator afterwards, after 1 hour, open ventilation blower, send into air and steam,
Note controlling steam vapour amount, keep 6 hours.
(4), lower the temperature is carried out for 7 hours after full carbonization temperature reaches 850 DEG C, and first with a small amount of water slow cooling, temperature drops to
Stopping water after 200 DEG C, afterwards by Temperature fall in stove, after in-furnace temperature drops to 100 DEG C, opens fire door, carries out the coldest
But.
(5), with pulverizer, the carbon rod after full carbonization being pulverized, after being ground into fine particle, the fine particle of addition 5% is sliding
Stone, uniform stirring, then the powder of 100 mesh it is milled into Raymond mill.
Two, hot pressing
1, before operation, whether inspection temperature is in the range of 160 DEG C ± 20 DEG C, and whether manometric numerical value is within the scope of regulation；
2, open hot press and take out template, releasing agent is evenly coated in die cavity, according to resin 13%, coke 4%, silicon gray cotton
8%, butadiene acrylonitrile rubber powder 4%, cotton stem, branch, the graphite powder 13% of corn straw carbonization one-tenth, Frication powder 4%, aluminium oxide 2%, length
Stone powder 5%, dragon ridge fiber 10%, zinc stearate 0.5%, barium sulfate 10%, steel fibre 5%, glass 3%, flatiron ore deposit 4%, tire
Powder 5%, magnesium oxide 2%, carbon black 1.5%, calcium carbonate 6% equal portions ratio are put into blender and are mixed, then poured into by mixed material
In die cavity, start compacting；
3, reasonably aerofluxus 2-3 time between front 60s, sees whether gas drains, and expands as base substrate also has, need to the row of then continuing to
Gas is until gas is drained；
4, by product take out after, reject product liner limit slitter edge, range estimation product have intact limit, unfilled corner, crackle, be layered, rise
Bubble, sand holes, strike sound and check the phenomenon such as foam inside；
5, nothing difference is certified products, is placed in order in Turnover Box by product.
Three, heat treatment
1, product is placed on grid in order, puts into baking oven；
2, oven door is closed, by air bleeding valve ON position；
3, switch on power, start blower fan, open heater switch, run program；
Four, cutting
1, cutting machine is adjusted to the spacing required, fixes location；
2, the blank liner removing mao angle is leaned against on location, open power supply cutting；
3, the liner after cutting, checks size.Batch production after qualified.
Five, mill inner arc: select and meet dimensional requirement grinding mold, liner is ground to the size met.
Six, inspection inner arc outward appearance: outward appearance meets the requirements, without disrepair phenomenon.
Seven, mill outer arc: select and meet dimensional requirement grinding mold, liner is ground to the size met.
Eight, inspection outer arc outward appearance: outward appearance meets the requirements, without disrepair phenomenon.
Nine, lining thickness is confirmed: kind of calliper.
Ten, length is cut: tape measure.
11, chamfering: range estimation.
12, product inspection: comparison size is tested.
The brake block made by this method, as follows according to national standard test data:
Can be seen that from data above, with the addition of in composite friction material formula and form with cotton stem, branch, corn straw carbonization
Graphite powder, enhance heat stability, improve braking quality and braking effect, reduce wear rate.This product is widely used in traffic
Haulage vehicle and the friction material of various Working machine friction stopping device.As friction material play regulation coefficient of friction,
Wear-resisting, lubricate, protect antithesis, noise when lowering brake block brake, reduce production cost, stable friction factor, brake
Noise is little, adds economic benefit.
Claims (2)
1. the method making brake block with black without asbestos batch mixing, adds following material composition: resin 13%, coke 4%, silicon
Gray cotton 8%, butadiene acrylonitrile rubber powder 4%, cotton stem, branch, the graphite powder 13% of the artificial carbonization of corn straw, Frication powder 4%, oxygen
Change aluminum 2%, feldspar powder 5%, dragon ridge fiber 10%, zinc stearate 0.5%, barium sulfate 10%, steel fibre 5%, glass 3%, flatiron
Ore deposit 4%, tyre talc 5%, magnesium oxide 2%, carbon black 1.5%, calcium carbonate 6%.
2. the method that a kind of black described in claim 1 makes brake block without asbestos batch mixing, it is characterised in that include following step
Rapid:
First step: the artificial carbonization of cotton stem, branch, corn straw becomes graphite powder
(1), cotton stem, branch, corn straw are selected materials cleaning
Select the cotton stem of a term, branch, corn straw, mouldy, rot unusable, use new harvesting cotton stem,
After branch, corn straw are regained, clean the earth on straw and impurity.
(2), dry
Cotton stem after cleaning, branch, corn straw carry out being exposed to the sun or drying under the sun.If dried, temperature is controlled
45 DEG C-55 DEG C, drying time controls at 1 hour-1.5 hours, but can not make cotton stem, branch, corn straw surface browning color
Or generation fragility, it is necessary to keep the original color of cotton stem, branch, corn straw and toughness.Detect by Moisture Meter,
Water content control not can exceed that 13% in about 9%-12%, water content maximum.
(3), pulverize
Cotton stem after drying, branch, corn straw are pulverized, and a length of 0.1-0.2 cm after pulverizing is pulverized
After cotton stem, branch, corn straw must not outdoor storage, with dryness storehouse, stock is put, and is strictly on guard against and is again introduced into moisture content.
(4), height is pressed into plug
Cotton stem after pulverizing, branch, corn straw are interior adds 5% 20-40 mesh zonolite, and stirs with blender,
Utilize the characteristic of Vermiculitum high-temperature expansion, increase the uniformity that plug is heated, thus improve carbonization quality, then be pressed into bar-producing machine
A length of 10 centimetres, the plug of a diameter of 6 cm.
(5), carbonization, grinding
A, employing track stove or industry kiln carry out carbonization, and the humidity discharging phase rises to 130 DEG C from igniting to furnace temperature, and the time is 4 hours.
B, primary carbonization temperature, from 130 DEG C to 250 DEG C, open aerator, and to air blast in kiln, primary carbonization time is 4 hours,
Aerator leaves 30 minutes, stops 30 minutes, totally 4 times.
C, full carbonization temperature are from 250 DEG C to 500 DEG C, and the heating-up time is 1.5 hours, and after temperature rises to 500 DEG C, holding 2 is little
Time, after 2 hours, then it being warming up to 650 DEG C, the time is 4 hours, and during this, aerator leaves 1 hour, stops 1 hour, totally 2
Secondary, it is warming up to 850 DEG C after 4 hours again, closes aerator afterwards, after 1 hour, open ventilation blower, send into air and steam,
Note controlling steam vapour amount, keep 6 hours.
D, cooling are carried out for 7 hours after full carbonization temperature reaches 850 DEG C, and first with a small amount of water slow cooling, temperature drops to 200
Stopping water after DEG C, afterwards by Temperature fall in stove, after in-furnace temperature drops to 100 DEG C, opens fire door, progressively cools down.
E, with pulverizer, the carbon rod after full carbonization is pulverized, after being ground into fine particle, adds the fine particle Talcum of 5%,
Uniform stirring, then the powder of 100 mesh it is milled into Raymond mill.
Second step: hot pressing
(1), check before operation temperature whether in the range of 160 DEG C ± 20 DEG C, whether manometric numerical value within the scope of regulation；
(2), open hot press taking-up template, releasing agent be evenly coated in die cavity, put into blender in equal portions ratio and mix,
Again mixed material is poured in die cavity, start compacting；
(3), reasonably aerofluxus 2-3 time between front 60s, see whether gas drains, as base substrate also has expansion, need to then continue to
Aerofluxus is until gas is drained；
(4), by product take out after, reject product liner limit slitter edge, range estimation product have intact limit, unfilled corner, crackle, layering,
Foaming, sand holes, strike sound and check the phenomenon such as foam inside；
(5), without difference be certified products, product is placed in Turnover Box in order.
Third step: heat treatment
(1), product is placed on grid in order, puts into baking oven；
(2), oven door is closed, by air bleeding valve ON position；
(3), switch on power, start blower fan, open heater switch, run program；
4th step: cutting
(1), by cutting machine it is adjusted to the spacing required, fixes location；
(2), the blank liner removing mao angle is leaned against on location, open power supply cutting；
(3), cutting after liner, check size.Batch production after qualified.
5th step: mill inner arc: select and meet dimensional requirement grinding mold, liner is ground to the size met.
6th step: inspection inner arc outward appearance: outward appearance meets the requirements, without disrepair phenomenon.
7th step: mill outer arc: select and meet dimensional requirement grinding mold, liner is ground to the size met.
8th step: inspection outer arc outward appearance: outward appearance meets the requirements, without disrepair phenomenon.
9th step: confirmation lining thickness: kind of calliper.
Tenth step: cut length: tape measure.
11st step: chamfering: range estimation.
12nd step: product inspection: comparison size is tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510193528.XA CN106147707A (en) | 2015-04-16 | 2015-04-16 | A kind of method that black makes brake block without asbestos batch mixing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510193528.XA CN106147707A (en) | 2015-04-16 | 2015-04-16 | A kind of method that black makes brake block without asbestos batch mixing |
Publications (1)
| Publication Number | Publication Date |
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| CN106147707A true CN106147707A (en) | 2016-11-23 |
Family
ID=58058350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510193528.XA Pending CN106147707A (en) | 2015-04-16 | 2015-04-16 | A kind of method that black makes brake block without asbestos batch mixing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387614A (en) * | 2017-09-08 | 2017-11-24 | 吉林大学 | Biodegradable fibers strengthen super-hydrophobic friction material and preparation method thereof |
| CN114321238A (en) * | 2021-12-31 | 2022-04-12 | 南通布莱派德汽车配件有限公司 | Preparation method of high-temperature wear-resistant ceramic composite fiber brake pad |
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| JP2004256560A (en) * | 2003-02-24 | 2004-09-16 | Tokai Carbon Co Ltd | Wet friction material |
| CN202991967U (en) * | 2012-12-27 | 2013-06-12 | 盐城市鑫浩机械制造有限公司 | Brake pad with friction materials made from grain straw |
| CN103820078A (en) * | 2012-12-27 | 2014-05-28 | 盐城市鑫浩机械制造有限公司 | Method for preparing brake pad friction material by using rice and wheat straws |
| CN103836099A (en) * | 2014-03-28 | 2014-06-04 | 盐城市三雄机械制造有限公司 | Degradable brake block and machining technology thereof |
| CN104371647A (en) * | 2014-09-25 | 2015-02-25 | 盐城市天驰汽配有限公司 | Multi-metal friction material |
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2015
- 2015-04-16 CN CN201510193528.XA patent/CN106147707A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004256560A (en) * | 2003-02-24 | 2004-09-16 | Tokai Carbon Co Ltd | Wet friction material |
| CN202991967U (en) * | 2012-12-27 | 2013-06-12 | 盐城市鑫浩机械制造有限公司 | Brake pad with friction materials made from grain straw |
| CN103820078A (en) * | 2012-12-27 | 2014-05-28 | 盐城市鑫浩机械制造有限公司 | Method for preparing brake pad friction material by using rice and wheat straws |
| CN103836099A (en) * | 2014-03-28 | 2014-06-04 | 盐城市三雄机械制造有限公司 | Degradable brake block and machining technology thereof |
| CN104371647A (en) * | 2014-09-25 | 2015-02-25 | 盐城市天驰汽配有限公司 | Multi-metal friction material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387614A (en) * | 2017-09-08 | 2017-11-24 | 吉林大学 | Biodegradable fibers strengthen super-hydrophobic friction material and preparation method thereof |
| CN107387614B (en) * | 2017-09-08 | 2018-11-06 | 吉林大学 | Biodegradable fibers enhance super-hydrophobic friction material and preparation method thereof |
| CN114321238A (en) * | 2021-12-31 | 2022-04-12 | 南通布莱派德汽车配件有限公司 | Preparation method of high-temperature wear-resistant ceramic composite fiber brake pad |
| CN114321238B (en) * | 2021-12-31 | 2024-01-26 | 南通布莱派德汽车配件有限公司 | Preparation method of high-temperature wear-resistant ceramic composite fiber brake pad |
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Application publication date: 20161123 |