CN1128845A - Semi-metallic brake friction linings and method for mfg. same - Google Patents
Semi-metallic brake friction linings and method for mfg. same Download PDFInfo
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- CN1128845A CN1128845A CN 95112138 CN95112138A CN1128845A CN 1128845 A CN1128845 A CN 1128845A CN 95112138 CN95112138 CN 95112138 CN 95112138 A CN95112138 A CN 95112138A CN 1128845 A CN1128845 A CN 1128845A
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- resin
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- friction linings
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Abstract
The brake gland consists of a base plate and a semi-metal gland composed of resin, steel fibre, copper wire, brass powder and friction material. It features low cost, resistant to the 700-800 deg.C of instant temp., small thermal declining property, without breakup and long service life. It is suitable for the brake of trucks both of more than 100 ton super deadweight tonnage and less than 100 ton middle and small deadweight tonnage.
Description
The present invention relates to a kind of semi-metallic brake friction linings and manufacture method thereof, belong to the used a kind of friction member of truck.
The brake lining that existing lorry uses exists resistance to high temperature poor, and heat fade is serious, the deficiency that working life is short, and homemade brake lining is especially true, generally can only be used on the middle-size and small-size tonnage lorry.Super-tonnage lorry (more than 100 tons) is gone up used brake lining and is needed from external import, and its cost is big, the price height.
The object of the present invention is to provide a kind of cost low, high temperature resistant, character of heat-fading is little, the semi-metallic brake friction linings of long service life and manufacture method thereof.
The objective of the invention is to reach by following technical solution.This semi-metallic brake friction linings by base plate 1, is fixedly connected on the semimetal lining 2 on this base plate, its special way is, described semimetal lining 2 is by resin 16-30%, Steel Fibre 10-25%, copper wire 2-10%, brass powder 10-20%, friction material modifier 20-60% mix compacting and form.The priority scheme of described semimetal lining 2 is, it is by resin 18-28%, Steel Fibre 12-23%, and copper wire 3-10%, brass powder 12-18%, friction material modifier 23-55% mix compacting and form.Described base plate 1 can be used 55Mn, 16Mn, A
3Sheet metal is made.Described resin is by the YSM resin, 2123 resins, butadiene styrene resin mixes, or by the YSM resin with in 2123 resins, butadiene styrene resin one of mix, also can be that other is high temperature resistant, the resin that cohesive force is strong.Its priority scheme is, described resin is by YSM resin 50-75%, and 2123 resins or butadiene styrene resin 25-50% combine.Described friction material modifier by common used material routinely proportioning mix, these materials are chromite ore fine, powdery BaSO
4, graphite, carbon black, AL
2O
3, with wollastonite in powder, or feldspar powder, blanc fixe, or wollastonite fibre, or the mixture of feldspar powder.
A kind of method of making semi-metallic brake friction linings, it comprises that the raw material of semimetal lining mixes 3, backplate surface handles 4, the weighing 6 of monolithic semimetal lining raw material, dress mold pressing system 7, heat-insulation pressure keeping 8,11 all operations are cooled off in deburring 9, and its special way is, after backplate surface is handled 4 operations, set up base plate gluing 5; Pressing pressure in the dress mold pressing system 7 is 300-400kg/cm
2Set up heat preservation hot processing 10 and cooling 11 after deburring 9, the temperature of heat preservation hot processing 10 is 180-210 ℃, and holding time is 6-12 hour.
Super-tonnage lorry more than 100 tons, as quarry tipper, because its carrying capacity is big, mine work road grade is big, and sloping road is many, and braking is frequent, and braking inertial force is big, and frequent brake request liner restorability is good, no decay.Because frequent braking, liner rubbing surface instantaneous temperature can reach 700-800 ℃.This temperature obviously surpasses organic binder---the decomposition temperature of resin, and the asbestos ignition loss is obviously increased, and causes the tangible heat fade of brake lining, be full of cracks, influences working life and other usability.
Because the present invention has adopted above-mentioned technical solution, make it compared with prior art, base plate with brake lining combines with lining firmly, because the interaction of resin, copper powder, copper wire, when the suffered moment friction temperature of brake lining reaches 700-800 ℃, copper powder, copper wire are molten state, are closely connecting other component, do not have decline and crack performance.And long service life, cost is low, both has been suitable for the braking of super-tonnage lorry, also is suitable for the braking of medium and small tonnage lorry.
Provide embodiments of the invention below in conjunction with accompanying drawing, be used for further specifying the present technique solution.
The plan view of Fig. 1-semi-metallic brake friction linings;
The A-A of Fig. 2-Fig. 1 is to sectional view;
Fig. 3-semi-metallic brake friction linings manufacturing approach craft flow chart.
Embodiment 1.Produce 100kg semimetal braking lining raw material.Get 16kg resin (accounting for 16%) (wherein YSM resin 12kg, 2123 resins, each 2kg of butadiene styrene resin), Steel Fibre 25kg (accounting for 25%), copper wire 3kg (accounting for 3%), brass powder 10kg (accounting for 10%), (it is by wollastonite in powder, chromite powder, BaSO for friction material modifier 46kg (accounting for 46%)
4, graphite, carbon black, AL
2O
3Ratio mixes routinely).Raw material that earlier will be except that resin adds the resin that 16kg mixes then stirrer for mixing 5 minutes, and middling speed was mixed 8 minutes again, took out standby.In the backplate surface treating process, earlier on the base plate made from the 55Mn material, bore several holes, put it in the acidic solution then and eliminate rust, after water dashes, under 〉=100 ℃ temperature, dry, after cooling, enter base plate coating process 5, on base plate, be coated with one deck YSM resin (also can be 2123 resins; butadiene styrene resin; or their mixture), in the mould of packing into, and mould is remained in the 150-200 ℃ of temperature range.Take by weighing a semimetal lining raw material that liner is required, put into mould, enter dress mold pressing system operation 7, and pressurization gradually, reach 300kg/cm until pressure
2, at this moment the part of semimetal lining 2 penetrates in the hole of base plate, and other parts and base plate face are combined as a whole securely.Enter heat-insulation pressure keeping 8 then, here heat-insulation pressure keeping 40-60 minute, enter deburring 9 behind the taking-up liner, enter heat preservation hot after the deburring and handle 10, holding temperature is 180 ℃, and holding time is 12 hours, then, takes out, and natural cooling gets final product.
Embodiment 2.With reference to figure 1-Fig. 3, with embodiment 1 difference be that base plate 1 is made by the 16Mn material.The raw material proportioning of semimetal lining is: produce 100kg semimetal lining raw material, get resin 20kg (accounting for 20%) (YSM resin 12kg wherein, 2123 resins or butadiene styrene resin 8kg), Steel Fibre 20kg (accounting for 20%), copper wire 5kg (accounting for 5%), brass powder 20kg (accounting for 20%), (it is by feldspar powder for friction material modifier 35kg (accounting for 35%), chromite ore fine, BaSO
4, graphite, carbon black, blanc fixe, AL
2O
3Ratio mixes routinely).Pressing pressure in the dress mold pressing system 7 is 350kg/cm
2, the holding temperature that heat preservation hot is handled in 10 is 190 ℃, and holding time is 10 hours, and the manufacture process of other parts is with embodiment 1.
Embodiment 3.With reference to figure 1-Fig. 3, with embodiment 1 difference be, the raw material proportioning of semimetal lining is, produces 100kg semimetal lining raw material, gets resin 22kg (accounting for 22%) (YSM resin 12.1kg wherein, 2123 resins or butadiene styrene resin 9.9kg), Steel Fibre 12kg (accounting for 12%). copper wire 8kg (accounting for 8%), brass powder 15kg (accounting for 15%), (it is by wollastonite fibre for friction material modifier 43kg (accounting for 43%), chromite ore fine, BaSO
4. graphite. carbon black .AL
2O
3Ratio mixes routinely).Pressing pressure in the dress mold pressing system 7 is 400kg/cm
2, the temperature that heat preservation hot is handled in 10 is 200 ℃. and holding time is 8 hours, and the manufacture process of other parts is with embodiment 1.
Embodiment 4.With reference to figure 1-Fig. 3, be that the raw material proportioning of semimetal lining is to produce 100kg semimetal lining raw material with embodiment 1 difference, get resin 30kg (accounting for 30%) (YSM resin 15kg wherein, 2123 resins or butadiene styrene resin 15kg), Steel Fibre 18kg (accounting for 18%), copper wire 10kg (accounting for 10%), brass powder 18kg (accounting for 18%), (it is by feldspar powder, chromite ore fine, BaSO for friction material modifier 24kg (accounting for 24%)
4Graphite, carbon black, AL
2O
3Ratio mixes routinely).Pressing pressure in the dress mold pressing system 7 is 380kg/cm
2. the temperature that heat preservation hot is handled in 10 is 210 ℃, and holding time is 6 hours, and the manufacture process of other parts is with embodiment 1.
Claims (4)
1, a kind of semi-metallic brake friction linings, it is by base plate (1). be fixedly connected on the semimetal lining (2) on this base plate, it is characterized in that, described semimetal lining (2) is by resin 16-30%, Steel Fibre 10-25%, copper wire 2-10%, brass powder 10-20%, friction material modifier 20-60% mix compacting and form.
By the described semi-metallic brake friction linings of claim 1, it is characterized in that 2, described semimetal lining (2) is by resin 18-28%, Steel Fibre 12-23%, copper wire 3-10%, brass powder 12-18%, friction material modifier 23-55%.
By claim 1 or 2 described semi-metallic brake friction linings, it is characterized in that 3, described resin is by YSM resin 50-75%, 2123 resins or butadiene styrene resin 25-50% combine.
4, a kind of method of making the described semi-metallic brake friction linings of claim 1, it mixes (3) through the raw material of semimetal lining, backplate surface is handled (4), the weighing (6) of monolithic semimetal lining raw material, dress mold pressing system (7), heat-insulation pressure keeping (8), the all operations of deburring (9) is characterized in that, after backplate surface is handled 4 operations, set up base plate gluing (5), the pressing pressure in the dress mold pressing system (7) is 300-400kg/cm
2, after deburring (9), set up heat preservation hot processing (10) and cooling (11), holding temperature is 180-210 ℃, holding time is 6-12 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95112138 CN1128845A (en) | 1995-09-18 | 1995-09-18 | Semi-metallic brake friction linings and method for mfg. same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95112138 CN1128845A (en) | 1995-09-18 | 1995-09-18 | Semi-metallic brake friction linings and method for mfg. same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1128845A true CN1128845A (en) | 1996-08-14 |
Family
ID=5079353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95112138 Pending CN1128845A (en) | 1995-09-18 | 1995-09-18 | Semi-metallic brake friction linings and method for mfg. same |
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|---|---|
| CN (1) | CN1128845A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838518A (en) * | 2010-05-31 | 2010-09-22 | 山东金麒麟集团有限公司 | Heavy-duty vehicle disc brake pad and manufacturing process thereof |
| CN107120372A (en) * | 2017-06-11 | 2017-09-01 | 太仓捷公精密金属材料有限公司 | A kind of low noise high intensity semi-metallic brake pad |
| CN108953435A (en) * | 2018-07-27 | 2018-12-07 | 杭州西湖摩擦材料有限公司 | A kind of no metallic fiber brake block |
| CN108953436A (en) * | 2018-07-27 | 2018-12-07 | 杭州西湖摩擦材料有限公司 | A kind of preparation method of no metallic fiber brake block |
| CN109654144A (en) * | 2019-01-04 | 2019-04-19 | 上海华信摩擦材料有限公司 | A kind of automobile friction friction material and preparation method thereof |
-
1995
- 1995-09-18 CN CN 95112138 patent/CN1128845A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838518A (en) * | 2010-05-31 | 2010-09-22 | 山东金麒麟集团有限公司 | Heavy-duty vehicle disc brake pad and manufacturing process thereof |
| CN101838518B (en) * | 2010-05-31 | 2012-11-28 | 山东金麒麟集团有限公司 | Heavy-duty vehicle disc brake pad and manufacturing process thereof |
| CN107120372A (en) * | 2017-06-11 | 2017-09-01 | 太仓捷公精密金属材料有限公司 | A kind of low noise high intensity semi-metallic brake pad |
| CN108953435A (en) * | 2018-07-27 | 2018-12-07 | 杭州西湖摩擦材料有限公司 | A kind of no metallic fiber brake block |
| CN108953436A (en) * | 2018-07-27 | 2018-12-07 | 杭州西湖摩擦材料有限公司 | A kind of preparation method of no metallic fiber brake block |
| CN109654144A (en) * | 2019-01-04 | 2019-04-19 | 上海华信摩擦材料有限公司 | A kind of automobile friction friction material and preparation method thereof |
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