CN107326309A - A kind of corrosion-resistant mechanical arm and preparation method thereof - Google Patents
A kind of corrosion-resistant mechanical arm and preparation method thereof Download PDFInfo
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- CN107326309A CN107326309A CN201710690378.2A CN201710690378A CN107326309A CN 107326309 A CN107326309 A CN 107326309A CN 201710690378 A CN201710690378 A CN 201710690378A CN 107326309 A CN107326309 A CN 107326309A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/08—Iron group metals
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- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/08—Making alloys containing metallic or non-metallic fibres or filaments by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
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Abstract
The invention discloses a kind of corrosion-resistant mechanical arm and preparation method thereof, 1）The first melting is carried out after first mixing spheroidal graphite cast-iron, silicon-carbide particle, graphite fibre, manganese, nickel, chromium, ceria and vanadic anhydride, molten iron M1 is obtained；2) manganese sesquioxide managnic oxide, pentlandite, boron nitride, molybdenum sulfide, carbon black and niobium are added in the molten iron M1, then carry out the second melting to obtain molten iron M2；3）The molten iron M2 is subjected to cast molding type embryo is made, and the type embryo is heat-treated the i.e. obtained corrosion-resistant mechanical arm.The excellent decay resistance of the mechanical arm so as to be exposed to workshop for a long time, it is ensured that the progress of production reduces the maintenance probability of mechanical arm, substantially increases the service life in the mechanical arm of plant working.
Description
Technical field
The present invention relates to industry assembling field, in particular it relates to a kind of corrosion-resistant mechanical arm and preparation method thereof.
Background technology
Mechanical arm is that mechanical arm refers to high accuracy, high speed glue dispensing machine hand, and mechanical arm is multiple-input and multiple-output, a height
Non-linear, close coupling complication system.Because of its unique operating flexibility, in industry assembling, the field such as safety anti-explosive is obtained
To extensive use.
And industrial machinery arm is the Mechatronic device of anthropomorphic arm, wrist and hand function.Anthropomorphic arm, wrist and hand work(
The Mechatronic device of energy；It can be any object or instrument spatially pose（Position and posture）Time-varying requirement moved
It is dynamic, so as to complete a certain industrial job requirements.Soldering turret or welding gun are such as clamped, point has been carried out to automobile or body of motor cycle
Weldering or arc-welding；Carry die casting or stamping forming part or component；It is cut by laser；Spraying；Make-up machinery parts etc..
In industry assembling field even robot field, mechanical arm is the complete winner of whole intelligent operation step, and one
As mechanical arm be part most complicated in its system, due to mechanical arm operation when line program entered to it by system control module
Set and instruction sets and then realizes feature operation.And it is current, the selection of most mechanical arm configuration and material can be straight
Connect the accuracy for having influence on the instruction repertorie that mechanical arm receives control module.
The content of the invention
It is an object of the invention to provide a kind of mechanical arm and preparation method thereof, the mechanical arm not only has excellent machinery strong
Degree, can carry out exposed operation in the complicated workshop of environment has very strong decay resistance；Excellent resistance to of the mechanical arm
Corrosive nature so as to be exposed to workshop for a long time, it is ensured that the maintenance that the progress of production reduces mechanical arm is general
Rate, substantially increases the service life of the mechanical arm of plant working.
To achieve these goals, the invention provides a kind of preparation method of mechanical arm, including：
1）First will spheroidal graphite cast-iron, silicon-carbide particle, graphite fibre, manganese, nickel, chromium, ceria and vanadic anhydride mix after carry out the
One melting, obtains molten iron M1；
2) manganese sesquioxide managnic oxide, pentlandite, boron nitride, molybdenum sulfide, carbon black and niobium are added in the molten iron M1, then carried out
Second melting is to obtain molten iron M2；
3）The molten iron M2 is subjected to cast molding type embryo is made, and the type embryo is heat-treated i.e. obtained described resistance to
Etching mechanism arm.
By above-mentioned technical scheme, spheroidal graphite cast-iron, silicon-carbide particle, graphite are have selected in preparation method of the invention fine
Dimension, manganese, nickel, chromium, ceria and vanadic anhydride and add in the second melting three oxidations as the material of main part of the first melting
The components such as two manganese, pentlandite, boron nitride, molybdenum sulfide, carbon black and niobium, enter while the intensity of obtained mechanical arm is improved
One step improves the electromagnetism interference performance of obtained mechanical arm；To cause the mechanical arm of the present invention that there is excellent anti-electromagnetism to do
Immunity energy.
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.
Include the invention provides preparation method described in a kind of preparation method of corrosion-resistant mechanical arm：
1）First will spheroidal graphite cast-iron, silicon-carbide particle, graphite fibre, manganese, nickel, chromium, ceria and vanadic anhydride mix after carry out the
One melting, obtains molten iron M1；
2) manganese sesquioxide managnic oxide, pentlandite, boron nitride, molybdenum sulfide, carbon black and niobium are added in the molten iron M1, then carried out
Second melting is to obtain molten iron M2；
3）The molten iron M2 is subjected to cast molding type embryo is made, and the type embryo is heat-treated i.e. obtained described resistance to
Etching mechanism arm.
In the above-mentioned technical solutions, the specific consumption of used each raw material can be selected in wide scope, but be
The intensity and electromagnetism interference performance of mechanical arm made from further raising, it is preferable that by weight, the spheroidal graphite casting
Iron, silicon-carbide particle, graphite fibre, manganese, nickel, chromium, ceria, vanadic anhydride, manganese sesquioxide managnic oxide, pentlandite, boron nitride, sulphur
The amount ratio for changing molybdenum, carbon black and niobium is 100：3-5：1.5-2.5：1.1-3.1：1.1-2.1：0.9-1.5：0.15-0.25：1.0-
2.2：1.2-1.5：0.5-1.2：2.1-2.5：1.5-3.1：0.5-1.5：0.1-0.2.
In above-mentioned technical proposal, the specific particle diameter of each raw material can be selected in wide scope, but in order to further carry
The intensity and electromagnetism interference performance of high obtained mechanical arm, it is preferable that step 2）Described in manganese sesquioxide managnic oxide, pentlandite,
The average grain diameter of boron nitride, molybdenum sulfide and carbon black each stands alone as 20-30 μm.
Equally, in the present invention, the melting condition in each step can be selected in wide scope, such as the first melting
Condition can be selected in wide scope, but in order to improve the intensity and electromagnetism interference performance of obtained mechanical arm, preferably
Ground, first melting at least meets following condition：Temperature is 1700-1800 DEG C, and/or the time is 2-4h.
Equally, in the present invention, the melting condition in each step can be selected in wide scope, such as the first melting
Condition can be selected in wide scope, but in order to improve the intensity and electromagnetism interference performance of obtained mechanical arm, preferably
Ground, second melting at least meets following condition：Temperature is 1500-1600 DEG C, and/or the time is 1-2h.
Simultaneously, the condition to the heat treatment of type embryo can be adjusted in wide scope, but in order to improve preparation efficiency
The intensity of obtained mechanical arm is improved simultaneously, it is preferable that the heat treatment at least meets following condition：First the type embryo is existed
800-850 DEG C of insulation 2-4h, is then cooled to 500-600 DEG C of insulation 3-5h, most after insulation directly with 10-15 DEG C/min speed
Water receiving is cold, that is, the corrosion-resistant mechanical arm is made.
The temperature of type embryo can be adjusted in wide scope before the heat treatment, but in order to improve obtained mechanical arm
Intensity, it is preferable that before the heat treatment, the temperature of the type embryo is 750-850 DEG C.
Present invention also offers corrosion-resistant mechanical arm made from a kind of above-mentioned preparation method.
Below will by embodiment, comparative example and detection example the present invention will be described in detail.
Embodiment 1
1）After first mixing spheroidal graphite cast-iron, silicon-carbide particle, graphite fibre, manganese, nickel, chromium, ceria and vanadic anhydride, 1700
DEG C carry out melting 4h, obtain molten iron M1；
2) by manganese sesquioxide managnic oxide（Average grain diameter is 20 μm）, pentlandite（Average grain diameter is 25 μm）, boron nitride（Average grain diameter is
30μm）, molybdenum sulfide（Average grain diameter is 20 μm）, carbon black（Average grain diameter is 30 μm）It is added to niobium in the molten iron M1, then
Carry out melting 2h to obtain molten iron M2 at 1500 DEG C；
3）The molten iron M2 is subjected to cast molding type embryo is made（Type embryo temperature is 750 DEG C）, and by the type embryo in 800 DEG C of guarantors
Warm 2h, is then cooled to 600 DEG C of insulation 5h with 10 DEG C/min speed, and the direct water-cooling most after insulation is made the corrosion resistant
Mechanical arm is lost, A1 is denoted as.
Wherein, by weight, the spheroidal graphite cast-iron, silicon-carbide particle, graphite fibre, manganese, nickel, chromium, ceria, five oxidations
Two vanadium, manganese sesquioxide managnic oxide, pentlandite, boron nitride, molybdenum sulfide, the amount ratio of carbon black and niobium are 100：3：1.5：1.1：1.1：
0.9：0.15：1.0：1.2：0.5：2.1：1.5：0.5：0.1.
Embodiment 2
1）After first mixing spheroidal graphite cast-iron, silicon-carbide particle, graphite fibre, manganese, nickel, chromium, ceria and vanadic anhydride, 1750
DEG C carry out melting 3h, obtain molten iron M1；
2) by manganese sesquioxide managnic oxide（Average grain diameter is 25 μm）, pentlandite（Average grain diameter is 25 μm）, boron nitride（Average grain diameter is
30μm）, molybdenum sulfide（Average grain diameter is 20 μm）, carbon black（Average grain diameter is 30 μm）It is added to niobium in the molten iron M1, then
Carry out melting 2h to obtain molten iron M2 at 1550 DEG C；
3）The molten iron M2 is subjected to cast molding type embryo is made（Type embryo temperature is 800 DEG C）, and by the type embryo in 850 DEG C of guarantors
Warm 1h, is then cooled to 500-600 DEG C of insulation 3-5h with 15 DEG C/min speed, and the direct water-cooling most after insulation is made institute
Corrosion-resistant mechanical arm is stated, A2 is denoted as.
Wherein, by weight, the spheroidal graphite cast-iron, silicon-carbide particle, graphite fibre, manganese, nickel, chromium, ceria, five oxidations
Two vanadium, manganese sesquioxide managnic oxide, pentlandite, boron nitride, molybdenum sulfide, the amount ratio of carbon black and niobium are 100：4：2：2：1.5：1.2：
0.2：1.8：1.3：0.8：2.3：2.5：1.2：0.2.
Embodiment 3
1）After first mixing spheroidal graphite cast-iron, silicon-carbide particle, graphite fibre, manganese, nickel, chromium, ceria and vanadic anhydride, 1800
DEG C carry out melting 2h, obtain molten iron M1；
2) by manganese sesquioxide managnic oxide（Average grain diameter is 30 μm）, pentlandite（Average grain diameter is 30 μm）, boron nitride（Average grain diameter is
20μm）, molybdenum sulfide（Average grain diameter is 20 μm）, carbon black（Average grain diameter is 25 μm）It is added to niobium in the molten iron M1, then
Carry out melting 1h to obtain molten iron M2 at 1600 DEG C；
3）The molten iron M2 is subjected to cast molding type embryo is made（Type embryo temperature is 850 DEG C）, and by the type embryo 850
DEG C insulation 1h, is then cooled to 600 DEG C of insulation 3h, the direct water-cooling most after insulation is made described with 10 DEG C/min speed
Corrosion-resistant mechanical arm, is denoted as A3.
Wherein, by weight, the spheroidal graphite cast-iron, silicon-carbide particle, graphite fibre, manganese, nickel, chromium, ceria, five oxidations
Two vanadium, manganese sesquioxide managnic oxide, pentlandite, boron nitride, molybdenum sulfide, the amount ratio of carbon black and niobium are 100：5：2.5：3.1：2.1：
1.5：0.25：2.2：1.5：1.2：2.5：3.1：1.5：0.2.
Comparative example 1
Corrosion-resistant mechanical arm is prepared Following the procedure of Example 1, B1 is denoted as, the difference is that not adding silicon-carbide particle in raw material.
Comparative example 2
Corrosion-resistant mechanical arm is prepared Following the procedure of Example 1, B2 is denoted as, the difference is that not adding graphite fibre in raw material.
Comparative example 3
Corrosion-resistant mechanical arm is prepared Following the procedure of Example 1, B3 is denoted as, the difference is that not adding chromium in raw material.
Comparative example 4
Corrosion-resistant mechanical arm is prepared Following the procedure of Example 1, B4 is denoted as, the difference is that not adding nickel in raw material.
Comparative example 5
Corrosion-resistant mechanical arm is prepared Following the procedure of Example 1, B5 is denoted as, the difference is that not adding pentlandite in raw material.
Comparative example 6
Corrosion-resistant mechanical arm is prepared Following the procedure of Example 1, B6 is denoted as, the difference is that not adding molybdenum sulfide in raw material.
Comparative example 7
Corrosion-resistant mechanical arm is prepared Following the procedure of Example 1, B7 is denoted as, the difference is that not adding boron nitride in raw material.
Comparative example 8
Corrosion-resistant mechanical arm is prepared Following the procedure of Example 1, B8 is denoted as, unlike do not enter the melting of type second, and described the
The temperature of one melting is 1700 DEG C, and the time is 6h, step 2）In raw material step 1 again）In i.e. add.
Comparative example 9
Corrosion-resistant mechanical arm is prepared Following the procedure of Example 1, B9 is denoted as, unlike do not enter the melting of type first, and described the
The temperature of two meltings is 1500 DEG C, and the time is 6h, step 1）In raw material and step 2）In raw material add in the lump.
Test case 1
Test above-mentioned A1-A3 and B1-B9 mechanical arm and carry out tensile property and Brinell hardness test at 25-28 DEG C at room temperature,
As a result it is as shown in table 1.
Test case 2
Obtained mechanical arm A1-A3 and B1-B9 in above-described embodiment and comparative example is subjected to salt fog according to GB5938-86 method
Test, and according to the rate of corrosion % and corresponding corrosion class of GB/T6461-2002 progress calculating tests（Grade is divided into 1-10 grades；
Wherein, 10 grades are that corrosion-free defect is that corrosion resistance is best.）, test result is as shown in table 1 below：
Table 1
It can be seen from Table 1 that, the intensity of mechanical arm obtained within the scope of the present invention is very high, and obtained higher than in comparative example
The intensity of mechanical arm；Meanwhile, smog test result is shown, A1-A3 corrosion class is 8, i.e. corroded area percentage is
Between 0.1-0.25%, i.e. the excellent corrosion resistance of the mechanical arm.And comparative example B3-B7 corrosion class is said 4 or so
Understand to generate before each raw material and component manganese, chromium, nickel, molybdenum in the present invention and act synergistically and then significantly improve machinery well
The decay resistance of arm.
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 (8)
1. a kind of preparation method of corrosion-resistant mechanical arm, it is characterised in that the preparation method includes：
1）First will spheroidal graphite cast-iron, silicon-carbide particle, graphite fibre, manganese, nickel, chromium, ceria and vanadic anhydride mix after carry out the
One melting, obtains molten iron M1；
2) manganese sesquioxide managnic oxide, pentlandite, boron nitride, molybdenum sulfide, carbon black and niobium are added in the molten iron M1, then carried out
Second melting is to obtain molten iron M2；
3）The molten iron M2 is subjected to cast molding type embryo is made, and the type embryo is heat-treated i.e. obtained described corrosion-resistant
Mechanical arm.
2. preparation method according to claim 1, wherein, by weight, the spheroidal graphite cast-iron, silicon-carbide particle, stone
Black fiber, manganese, nickel, chromium, ceria, vanadic anhydride, manganese sesquioxide managnic oxide, pentlandite, boron nitride, molybdenum sulfide, carbon black and niobium
Amount ratio is 100：3-5：1.5-2.5：1.1-3.1：1.1-2.1：0.9-1.5：0.15-0.25：1.0-2.2：1.2-1.5：
0.5-1.2：2.1-2.5：1.5-3.1：0.5-1.5：0.1-0.2.
3. preparation method according to claim 1, wherein, step 2）Described in manganese sesquioxide managnic oxide, pentlandite, nitridation
The average grain diameter of boron, molybdenum sulfide and carbon black each stands alone as 20-30 μm.
4. the preparation method according to any one in claim 1-3, wherein, first melting at least meets following bar
Part：Temperature is 1700-1800 DEG C, and/or the time is 2-4h.
5. the preparation method according to any one in claim 1-3, wherein, second melting at least meets following bar
Part：Temperature is 1500-1600 DEG C, and/or the time is 1-2h.
6. the preparation method according to any one in claim 1-3, wherein, the heat treatment at least meets following bar
Part：The type embryo is first incubated 2-4h at 800-850 DEG C, 500-600 DEG C of insulation is then cooled to 10-15 DEG C/min speed
3-5h, the direct water-cooling most after insulation is made the corrosion-resistant mechanical arm.
7. preparation method according to claim 6, wherein, before the heat treatment, the temperature of the type embryo is 750-
850℃。
8. corrosion-resistant mechanical arm made from the preparation method in a kind of 1-7 as claim described in any one.
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| CN109898042A (en) * | 2017-12-11 | 2019-06-18 | 江苏赛尔亚环保科技有限公司 | A kind of desulfuring and denitrifying apparatus absorption tower baffle material |
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| CN109913778A (en) * | 2017-12-12 | 2019-06-21 | 江苏赛尔亚环保科技有限公司 | Synchronous carrying material |
| CN115353187A (en) * | 2022-08-19 | 2022-11-18 | 成都理工大学 | Ce-doped pyrite FeS 2 Environment purifying material for treating V and Cr (VI) pollution |
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