CN107217192A - Disk brake caliper and preparation method thereof - Google Patents
Disk brake caliper and preparation method thereof Download PDFInfo
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- CN107217192A CN107217192A CN201710376925.XA CN201710376925A CN107217192A CN 107217192 A CN107217192 A CN 107217192A CN 201710376925 A CN201710376925 A CN 201710376925A CN 107217192 A CN107217192 A CN 107217192A
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- disk brake
- brake caliper
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/006—Making ferrous alloys compositions used for making ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/08—Making cast-iron alloys
- C22C33/10—Making cast-iron alloys including procedures for adding magnesium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of disk brake caliper and preparation method thereof, this method after first mixing spheroidal graphite cast-iron, brass powder, aluminium, manganese, nickel, magnesium, titanium oxide and praseodymium by carrying out melting；It is subsequently added into refining agent refine obtaining molten hot metal, molten hot metal and then is carried out into cast molding is made type embryo；Most rear profile embryo is heat-treated again is made the disk brake caliper；The disk brake caliper has very high mechanical properties and toughness and high-elongation, disclosure satisfy that the long-term brake request of the safety of car.
Description
Technical field
The present invention relates to auto parts and components field, in particular it relates to disk brake caliper and preparation method thereof.
Background technology
The brake commonly used on current automobile can be divided into drum brake and disk brake by its structure.Wherein drum-type
The brake force stability of brake is poor, and brake force changes very greatly on different road surfaces；And because heat dispersion is poor, braking
Cheng Zhonghui assembles substantial amounts of heat, causes brake block and wheel hub to be easier to occur extremely complex deformation under the influence of high temperature, easily
Produce fading of brake and the phenomenon that flutters, cause retardation efficiency to decline.And disk brake efficiency is influenceed smaller by coefficient of friction,
In the case of output braking moment identical, the size of disk brake is typically small for comparing drum brake with quality；
The thermal expansion amount of brake disc through-thickness is minimum, is easier to realize gap adjust automatically, and other maintenance reconditioning works are also simpler
Just.Therefore it is existing that braking function is more and more realized using disk brake in the car.
At present, brake used in car wheel is mostly disk brake, and the brake quality of car concerns user people
Body safety, ordinary disc-type brake device braking effect is poor, and intensity, toughness of brake inlay etc. have very big to its braking effect
Influence.And after being used for a long time, the abrasion of brake inlay causes its insufficient strength brittle or toughness is not enough can all influence sedan-chair
The braking effect of car.And the traffic accident occurred at present, mostly because of tragedy caused by brake troubles, abnormal braking.
But, provide at present high-elongation, high tenacity, high intensity disk brake inlay is costly and preparation technology multiple
It is miscellaneous, and then limit further using for type high performance disc brake inlay.
The content of the invention
It is an object of the invention to provide a kind of disk brake caliper and preparation method thereof, the system of the disk brake caliper
Standby technique is simple, and cost is low and has the advantages that intensity height, good toughness.
To achieve these goals, the invention provides a kind of preparation method of disk brake caliper, wherein, first by ball
Melting is carried out after black cast iron, brass powder, aluminium, manganese, nickel, magnesium, titanium oxide and praseodymium mixing；Refining agent is subsequently added into be refined
Molten hot metal, and then carries out cast molding by molten hot metal and type embryo is made；Most rear profile embryo is heat-treated again is made described
Disk brake caliper；
Wherein, relative to the spheroidal graphite cast-iron of 100 parts by weight, the consumption of the brass powder is 0.3-0.5 parts by weight, the aluminium
Consumption be 0.15-0.35 parts by weight, the consumption of the manganese is that 0.05-0.2 parts by weight, the consumption of the nickel are 0.05-0.15
Parts by weight, the consumption of the magnesium is 0.05-0.25 parts by weight, and the consumption of the titanium oxide is 0.01-0.05 parts by weight, the praseodymium
Consumption be 0.08-0.1 parts by weight；
The refining process is：Desulfurization, deoxidation treatment are first carried out, refining agent is subsequently added into, the is carried out at 900-1000 DEG C
Initial refining, the time is 1-2h；Then it is warming up to 1450-1550 DEG C with 150 DEG C/h and carries out second of refining, the time is 2-3h.
By above-mentioned technical proposal, the present invention is by the way that spheroidal graphite cast-iron, brass powder, aluminium, manganese, nickel, magnesium, titanium oxide and praseodymium are pressed
According to specific weight than being mixed, melting, refining cast molding are then carried out afterwards disk brake caliper is made, pass through each original
The control of the condition of mutual synergy and each processing step between material is so that obtained disk brake caliper is with very high
Mechanical strength and toughness and high-elongation, disclosure satisfy that the long-term brake request of the safety of car.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Embodiment
The embodiment to the present invention is described in detail below.It should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The invention provides a kind of preparation method of disk brake caliper, wherein, first by spheroidal graphite cast-iron, brass powder, aluminium,
Melting is carried out after manganese, nickel, magnesium, titanium oxide and praseodymium mixing；It is subsequently added into refining agent refine obtaining molten hot metal, and then will
Molten hot metal carries out cast molding and type embryo is made；Most rear profile embryo is heat-treated again is made the disk brake caliper；
Wherein, relative to the spheroidal graphite cast-iron of 100 parts by weight, the consumption of the brass powder is 0.3-0.5 parts by weight, the aluminium
Consumption be 0.15-0.35 parts by weight, the consumption of the manganese is that 0.05-0.2 parts by weight, the consumption of the nickel are 0.05-0.15
Parts by weight, the consumption of the magnesium is 0.05-0.25 parts by weight, and the consumption of the titanium oxide is 0.01-0.05 parts by weight, the praseodymium
Consumption be 0.08-0.1 parts by weight；
The refining process is：Desulfurization, deoxidation treatment are first carried out, refining agent is subsequently added into, the is carried out at 900-1000 DEG C
Initial refining, the time is 1-2h；Then it is warming up to 1450-1550 DEG C with 150 DEG C/h and carries out second of refining, the time is 2-3h.
The condition refined in the present invention can be controlled in wide scope, but in order to improve refining effect and then improve made
The intensity and toughness of the disk brake caliper obtained, it is preferable that the refining agent is prepared by following methods：By natural silicon
Lime stone, titanium oxide, barium, strontium and the trade mark KH-550 silane coupler mixed, heats melting, last water cooling, dry after break
It is broken into the refining agent that mean particle size is 10-20mm.
The proportioning of each raw material can be controlled in wider scope in the preparation process of the refining agent, but in order to improve
Refining effect and then the intensity and toughness for improving obtained disk brake caliper, it is preferable that the natural wollastonite, oxidation
The weight ratio for the silane coupler that titanium, barium, strontium and the trade mark are KH-550 is 100：1-5：0.5-0.8：0.5-1.5：0.05-0.1.
In the present invention, the condition of the water cooling can be selected in wide scope, but in order to improve disk brake pincers
The elongation percentage and toughness of body, it is preferable that the condition of the water cooling is：Temperature is 20-30 DEG C, and the time is 4-6h.
In addition, the condition of the drying during preparing refining agent can be wide scope in, but in order to improve obtained essence
Refining agent has better performance, it is preferable that the condition of the drying is：Temperature is 60-80 DEG C, and the time is 10-15h.
In the present invention, the condition of melting can be selected in wide scope, but in order to improve the effect of melting and obtained
Intensity, elongation percentage and the toughness of disk brake caliper, it is preferable that the temperature of the melting be 1550-1650 DEG C, melting when
Between be 1-3h.
In the present invention, the condition to the heat treatment of type embryo can be selected in wide scope, but in order that obtained disc type
Brake caliper has higher elongation percentage and toughness, it is preferable that the condition of the heat treatment is：First by the type embryo in 850-
950 DEG C of insulation 3-4h, are then cooled to 500-550 DEG C of insulation 5-6h, the direct water-cooling most after insulation with 10 DEG C/min speed.
In addition, before the heat treatment, the temperature of the type embryo can also be controlled in wider scope, however, to ensure that
Disk brake caliper made from the toughness and elongation percentage of type embryo and then raising has higher elongation percentage and toughness, it is preferable that
Before the heat treatment, the temperature of the type embryo is 800-900 DEG C.
Present invention also offers disk brake caliper made from a kind of above-mentioned preparation method.
The present invention will be described in detail by way of examples below.
Embodiment 1
First by spheroidal graphite cast-iron, brass powder, aluminium, manganese, nickel, magnesium, titanium oxide and praseodymium according to 100：0.3：0.05：0.05：0.05：
0.01：0.08 weight is than being mixed；
Then after 1550 DEG C of melting 1h add refining agent refined (first progress desulfurization, deoxidation treatment, be subsequently added into essence
Agent is refined, refining 1h for the first time is carried out at 900 DEG C；Then 1450 DEG C are warming up to 150 DEG C/h and carry out second of refining, refine 2h)
Obtain molten hot metal；
And then molten hot metal is subjected to cast molding and type embryo (800 DEG C) is made；Type embryo is finally incubated 3h at 850 DEG C,
Then 500 DEG C of insulation 5h are cooled to 10 DEG C/min speed, the direct water-cooling most after insulation is made the disk brake
Caliper, is denoted as A1；
Wherein, the refining agent is prepared by following methods：By natural wollastonite, titanium oxide, barium, strontium and the trade mark
KH-550 silane coupler is according to 100：1：0.5：0.5：0.05 weight is than being mixed, being heated melting, finally at 20 DEG C
Water cooling 4h, is then broken into the refining agent that mean particle size is 10mm after 60 DEG C of dry 15h.
Embodiment 2
First by spheroidal graphite cast-iron, brass powder, aluminium, manganese, nickel, magnesium, titanium oxide and praseodymium according to 100：0.5：0.05：0.15：0.25：
0.05：0.1 is mixed；
Then after 1650 DEG C of melting 3h add refining agent refined (first progress desulfurization, deoxidation treatment, be subsequently added into essence
Agent is refined, first time refining is carried out at 1000 DEG C, the time is 2h；Then 1550 DEG C are warming up to 150 DEG C/h and carry out second of refining,
Time is 3h.) obtain molten hot metal；
And then molten hot metal is subjected to cast molding and type embryo (900 DEG C) is made；Type embryo is finally incubated 4h at 950 DEG C,
Then 550 DEG C of insulation 6h are cooled to 10 DEG C/min speed, the direct water-cooling most after insulation is made the disk brake
Caliper, is denoted as A2；
Wherein, the refining agent is prepared by following methods：By natural wollastonite, titanium oxide, barium, strontium and the trade mark
KH-550 silane coupler is according to 100：5：0.8：1.5：0.1 is mixed, heats melting, finally in 25 DEG C of water cooling 5h, is connect
The refining agent for being broken into that mean particle size is 20mm after 70 DEG C of dry 12h.
Embodiment 3
First by spheroidal graphite cast-iron, brass powder, aluminium, manganese, nickel, magnesium, titanium oxide and praseodymium according to 100：0.4：0.15：0.12：0.20：
0.03：0.09 weight is than being mixed；
Then after 1600 DEG C of melting 2h add refining agent refined (first progress desulfurization, deoxidation treatment, be subsequently added into essence
Agent is refined, first time refining is carried out at 1000 DEG C, 2h is refined；Then 1500 DEG C are warming up to 150 DEG C/h and carry out second of refining, essence
Refine 3h.) obtain molten hot metal；
And then molten hot metal is subjected to cast molding and type embryo (900 DEG C) is made；Type embryo is finally incubated 3h at 900 DEG C,
Then 550 DEG C of insulation 6h are cooled to 10 DEG C/min speed, the direct water-cooling most after insulation is made the disk brake
Caliper, is denoted as A3；
Wherein, the refining agent is prepared by following methods：By natural wollastonite, titanium oxide, barium, strontium and the trade mark
KH-550 silane coupler is according to 100：3：0.6：1.2：0.08 is mixed, heats melting, finally in 30 DEG C of water cooling 6h, is connect
The refining agent for being broken into that mean particle size is 15mm after 80 DEG C of dry 10h.
Comparative example 1
Disk brake caliper is prepared Following the procedure of Example 1, B1 is denoted as, the difference is that the preparation of the inovulant
Barium is not added in journey.
Comparative example 2
Disk brake caliper is prepared Following the procedure of Example 1, B2 is denoted as, the difference is that the preparation of the inovulant
Strontium is not added in journey.
Comparative example 3
Disk brake caliper is made in preparation method according to implementing 1, is denoted as B3, the difference is that not adding oxidation in raw material
Titanium and praseodymium.
Detect example 1
By disk brake caliper A1-A3 and B1-B3 made from above-described embodiment and comparative example, according to QC/T 316-
1999 standard is tested its fatigue strength, and wherein A1-A3 passes through test；And B1-B3 fatigue is by tired strong
Spend bench test.
The detection also to its every intensity (tensile strength and yield strength), elongation percentage is tested in addition；Specific knot
Fruit is shown in Table 1.
Table 1
By above-mentioned detection example, it is found that the disk brake caliper A1-A3 that the present invention is provided has higher intensity (tension
Intensity and yield strength), and elongation percentage is larger；And the elongation percentage and intensity of disk brake caliper B1-B3 made from comparative example
It can not show a candle to the disk brake caliper that the present invention is provided.To sum up, the preparation method that provides of the present invention is by by spheroidal graphite cast-iron, brass
After powder, aluminium, manganese, nickel, magnesium, titanium oxide and praseodymium are mixed according to special ratios, mutual phase same-action is produced between each raw material, separately
Outer used is refined including refining agent made from barium and strontium, so that obtained disk brake caliper is with higher strong
Degree and elongation percentage.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (9)
1. a kind of preparation method of disk brake caliper, it is characterised in that first by spheroidal graphite cast-iron, brass powder, aluminium, manganese, nickel,
Melting is carried out after magnesium, titanium oxide and praseodymium mixing；It is subsequently added into refining agent refine obtaining molten hot metal, and then by molten iron
Water carries out cast molding and type embryo is made；Most rear profile embryo is heat-treated again is made the disk brake caliper；
Wherein, relative to the spheroidal graphite cast-iron of 100 parts by weight, the consumption of the brass powder is 0.3-0.5 parts by weight, the use of the aluminium
Measure as 0.15-0.35 parts by weight, the consumption of the manganese is that 0.05-0.2 parts by weight, the consumption of the nickel are 0.05-0.15 weight
Part, the consumption of the magnesium is 0.05-0.25 parts by weight, and the consumption of the titanium oxide is 0.01-0.05 parts by weight, the use of the praseodymium
Measure as 0.08-0.1 parts by weight；
The refining process is：Desulfurization, deoxidation treatment are first carried out, refining agent is subsequently added into, carried out for the first time at 900-1000 DEG C
Refining, the time is 1-2h；Then it is warming up to 1450-1550 DEG C with 150 DEG C/h and carries out second of refining, the time is 2-3h.
2. preparation method according to claim 1, wherein, the refining agent is prepared by following methods：Will be natural
Wollastonite, titanium oxide, barium, strontium and the trade mark KH-550 silane coupler mixed, heats melting, last water cooling, dry after
It is broken into the refining agent that mean particle size is 10-20mm.
3. preparation method according to claim 2, wherein, the natural wollastonite, titanium oxide, barium, strontium and the trade mark are KH-
The weight ratio of 550 silane coupler is 100：1-5：0.5-0.8：0.5-1.5：0.05-0.1.
4. the preparation method according to Claims 2 or 3, wherein, the condition of the water cooling is：Temperature is 20-30 DEG C, time
For 4-6h.
5. preparation method according to claim 4, wherein, the condition of the drying is：Temperature is 60-80 DEG C, and the time is
10-15h。
6. the preparation method according to any one in claim 1-3,5, wherein, the temperature of the melting is 1550-
1650 DEG C, the time of melting is 1-3h.
7. preparation method according to claim 6, wherein, the condition of the heat treatment is：First by the type embryo in 850-
950 DEG C insulation 3-4h, then with 10 DEG C/min speed be cooled to 500-550 DEG C insulation 5-6h, the direct water-cooling most after insulation,
The disk brake caliper is made.
8. preparation method according to claim 7, wherein, before the heat treatment, the temperature of the type embryo is 800-
900℃。
9. disk brake caliper made from a kind of preparation method as described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710376925.XA CN107217192A (en) | 2017-05-25 | 2017-05-25 | Disk brake caliper and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710376925.XA CN107217192A (en) | 2017-05-25 | 2017-05-25 | Disk brake caliper and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN107217192A true CN107217192A (en) | 2017-09-29 |
Family
ID=59945377
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710376925.XA Pending CN107217192A (en) | 2017-05-25 | 2017-05-25 | Disk brake caliper and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864371A (en) * | 2012-09-29 | 2013-01-09 | 刘天平 | Brake cylinder of wind power unit and manufacturing method thereof |
| CN105441781A (en) * | 2014-09-24 | 2016-03-30 | 山东菏泽振华精密模具有限公司 | Method for manufacturing wheel mold |
| CN105925873A (en) * | 2016-06-16 | 2016-09-07 | 含山县兴达球墨铸铁厂 | Raw material formula for adjustment arm shell castings of automobile brake, and production process thereof |
-
2017
- 2017-05-25 CN CN201710376925.XA patent/CN107217192A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864371A (en) * | 2012-09-29 | 2013-01-09 | 刘天平 | Brake cylinder of wind power unit and manufacturing method thereof |
| CN105441781A (en) * | 2014-09-24 | 2016-03-30 | 山东菏泽振华精密模具有限公司 | Method for manufacturing wheel mold |
| CN105925873A (en) * | 2016-06-16 | 2016-09-07 | 含山县兴达球墨铸铁厂 | Raw material formula for adjustment arm shell castings of automobile brake, and production process thereof |
Non-Patent Citations (1)
| Title |
|---|
| 柳百成等: "《中国材料工程大典 第18卷 材料铸造成形工程 上》", 31 August 2005 * |
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Application publication date: 20170929 |