CN106350746A - Textile machine shooting-in and connecting rod and heat treatment technology - Google Patents
Textile machine shooting-in and connecting rod and heat treatment technology Download PDFInfo
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- CN106350746A CN106350746A CN201610758730.7A CN201610758730A CN106350746A CN 106350746 A CN106350746 A CN 106350746A CN 201610758730 A CN201610758730 A CN 201610758730A CN 106350746 A CN106350746 A CN 106350746A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/32—Radiation-absorbing paints
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/002—Heat treatment of ferrous alloys containing Cr
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/27—Drive or guide mechanisms for weft inserting
- D03D47/275—Drive mechanisms
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Textile Engineering (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention is a textile machine shooting-in and connecting rod. The shooting-in and connecting rod is made by high-strength alloy steel prepared from, by mass percentage, 0.53-0.65% of C, 2.61-3.23% of Cr, 0.12-0.15% of Si, 0.15-0.17% of Cu, 0.12-0.16% of V, 0.65-0.67% of Mn, 1.75-1.96% of Zn, 5.66-5.78% of Ni, 0.12-0.15% of Mo, 0.91-1.15% of W, 0.045-0.065% of Als, 0.51-0.63% of Ta, 0.01-0.03% of Nd, 0.02-0.04% of Ce, 0.01-0.04% of Eu, 0.02-0.03% of Lu, <=0.005% of S, 0.007% of P, <=0.007% of N and balance of Fe; the textile machine shooting-in and connecting rod in the textile machine shooting-in and connecting rod and heat treatment technology enhances antirust property and grinding property without reduction of impact toughness and fatigue strength of steel product; besides, the textile machine shooting-in and connecting rod and heat treatment technology extends the service life of textile machine shooting-in and connecting rod and enables the textile machine shooting-in and connecting rod to have antistatic property, property of thermal absorption and insulation, and surface water repellency.
Description
Technical field
The present invention relates to a kind of Picking Pole and its Technology for Heating Processing, concrete saying of this is that a kind of frame is throwed a spear connecting rod and its heat
Handling process.
Background technology
Connecting rod of throwing a spear is a building block of gripper shuttle loom, and it is used to be assemblied on Picking Slide Block.Used at present
Connecting rod use environment of throwing a spear complicated, use demand amount big it is desirable to fault rate is low, stable.The steel that connecting rod of throwing a spear manufactures
Chromium is typically all contained, the increase of chromium can improve heat treatment performance, improves quenching degree, structural homogenity, is tempered and stablizes in composition
Property, rustless property and the grinding performance of steel can be improved again；But when chromium content is higher, after quenching, increase retained austenite in steel,
Reduce hardness and dimensional stability, increase the inhomogeneities of carbide, reduce impact flexibility and the fatigue strength of steel.In addition, it is existing
The connecting rod life-span of throwing a spear using used in some textile machine equipment is shorter, does not have antistatic behaviour, absorbs thermal insulation and table
Face water repellency, is not suitable for using under bad environments and harsh conditions.
Content of the invention
The technical problem to be solved is, how in the rustless property improving Weaving device connecting rod of throwing a spear and mill
While cutting performance, do not reduce impact flexibility and the fatigue strength of connecting rod of throwing a spear；Another technology to be solved by this invention is asked
Topic is: how to increase the service life with connecting rod of throwing a spear for the textile machine equipment, makes it have antistatic behaviour simultaneously, absorbs thermal insulation
With surface water repellency.
The technical scheme that the present invention solves above technical problem is: provide a kind of frame to throw a spear connecting rod, this throw a spear connecting rod by
High strength alloy steel is made, and described high strength alloy steel includes following composition: c:0.53-0.65%, cr by mass percentage:
2.61-3.23%, si:0.12-0.15%, cu:0.15-0.17%, v:0.12-0.16%, mn:0.65-0.67%, zn:1.75-
1.96%, ni:5.66-5.78%, mo:0.12-0.15%, w:0.91-1.15%, als:0.045-0.065%, ta:0.51-
0.63%, nd:0.01-0.03%, ce:0.02-0.04%, eu:0.01-0.04%, lu:0.02-0.03%, s≤0.005%, p≤
0.007%, n≤0.007%, balance of fe；
Described high-strength alloy steel heat treatment process is:
(i) heat: by heat steel to 950-970 DEG C, and be incubated 20-25min, then steel plate is heated to 1050- by glowing furnace
1070℃；
(ii) cool down: adopt compressed air to accelerate to be cooled to after 700-730 DEG C by steel with the cooldown rate of 15-17 DEG C/s, then with
Water-cooling pattern is cooled to room temperature；
(iii) it is tempered for the first time: after heat steel to 680-700 DEG C of tempering 45-47min, make steel equalizing temperature, adopt afterwards
Accelerate to be cooled to after 250-300 DEG C with the cooldown rate of 20-30 DEG C/s with compressed air, then water-cooled is to room temperature；
(iv) double tempering: after heat steel to 600-620 DEG C of tempering 45-50min, by cooling twice technical cooling to often
Temperature；First time refrigerating work procedure: combined using water-cooled, air-cooled cooling with aerosol, first adopt water-cooled to incite somebody to action with the cooldown rate of 7-9 DEG C/s
Steel plate water-cooled, to 500-530 DEG C, then adopts the cooldown rate of air-cooled 5-7 DEG C/s that slab is cooled to 420-440 DEG C, then adopts gas
Fog cooling with the cooldown rate of 1-3 DEG C/s by steel plate water-cooled to 300-320 DEG C；Second refrigerating work procedure: using compressed air or
Steel plate is cooled to room temperature with the cooldown rate of 12-15 DEG C/s by vaporific quenching liquid.
Key chemical components content of the present invention limits and Technology for Heating Processing plays effect and having the beneficial effect that
Contain cr:2.61-3.23% in the present invention, content is higher, heat treatment performance can be improved, improve quenching degree, even tissue
Property, temper resistance, can improve rustless property and the grinding performance of steel again；But when chromium content is higher, increase in steel after quenching
Retained austenite, reduces hardness and dimensional stability, increases the inhomogeneities of carbide, and the impact flexibility and the fatigue that reduce steel are strong
Degree；The present invention passes through heat treatment, it can be avoided that harmful element Grain Boundary Segregation and thick Carbide Precipitation, thus preventing from reducing steel
Impact flexibility and fatigue strength.
Ni:5.66-5.78% is contained in the present invention, being capable of stable austenite phase, raising quenching degree, reduction ductile-brittle transiton temperature
Degree simultaneously can improve deformation performance；The Technology for Heating Processing of the cooperation present invention, with thinning microstructure and can obtain lath bundle tissue plus lack
The stable rotary austenite of amount (volume fraction 1-5%), this line and staff control has higher-strength and good impact toughness.Ni content
Too low, rotary austenite stability declines, and impact flexibility is difficult to ensure that；Ni too high levels then make cost increase.
Step of the present invention (ii) in, using pressure-air cooling to 700-730 DEG C, in subsequent process air cooler γ-fe with
Trimming mechanism is changed into α-fe, obtains the ferritic structure of lath bundle form, and c atom then can spread, in lath circle
Or be enriched with lath bundle circle or existed with m-a constituent element interstitial atom form, this tissue and Elemental redistribution state are more beneficial for subsequently
The formation of rotary austenite in heat treatment, accelerates cooling can also avoid under the conditions of high temperature slow cooling harmful element Grain Boundary Segregation and thick
Big Carbide Precipitation, is conducive to low-temperature flexibility.
Step (iii) in, by heat steel to 680-700 DEG C tempering 45-47min after, make steel equalizing temperature, adopt afterwards
Accelerate to be cooled to after 250-300 DEG C with the cooldown rate of 20-30 DEG C/s with compressed air, then water-cooled is to room temperature；Rotary austenite
Lath circle or lath bundle circle are formed, and is enriched with alloying element in insulating process further to improve stability；Ferrite
Lath bundle is then replied in insulating process, and the harmful element in ferrite is also discharged in rotary austenite simultaneously, thus
Improve substrate performance.
Step (iv) in, be heated to 600-620 DEG C tempering 45-50min after, by cooling twice technical cooling to room temperature, energy
Enough alloying elements making rotary austenite enrichment enough on the premise of proof strength, make few net carbide, make tissue more
For uniform, can holding structure stable, further enhance contact fatigue strength and impact flexibility.Because, during heat steel
Can be become hard and brittle due to carbide liquid-extraction, its hazardness is identical with brittle inclusion, net carbide reduces the impact of steel
Toughness, and it is allowed to tissue odds' evenness.
In order to solve second technical problem, the throw a spear outer surface of connecting rod of frame of the present invention is coated with resistance to oxidation overcoat；
Described resistance to oxidation overcoat includes following components: 4- isocyanatomethyl: 12-16%, vinegar by percentage to the quality
Vinyl acetate: 3-5%, urethanes: 6-8%, alpha-linolenic acid: 3-5%, ethylene glycol dimethacrylate: 1-3%, three hydroxyls
Trimethacrylate: 2-4%, benzoyl peroxide: 2-4%, butyl acrylate: 2-3%, crosslinking acrylate
Emulsion: 2-5%, 2- hydroxyl -1,2- diphenylethan: 0.7-0.9%, dimethylformamide: 1-2%, antimony-doped tin oxide nano
Brilliant: 3-5%, nano titanium oxide: 2-4%, nanometer silicon carbide: 1-3%, tetramethylolmethane three-(3- '-aziridino)-propionic ester: 5-
7%, ethylene-vinyl acetate copolymer: 1-2%, polydimethylsiloxane: 1.4-2%, adhesion promoter: 2-3%；Polyether-modified
Silicone oil: 0.5-1.5%, filler: 6-10%, organic fluorine waterproof agent: surplus；Described filler is that barium sulfate, silicon powder and Calcium Carbonate are pressed
Weight mixes than 5:3:7.
Aforesaid frame is throwed a spear connecting rod, and described high strength alloy steel includes following composition: c by mass percentage:
0.53%, cr:2.61%, si:0.12%, cu:0.15%, v:0.12%, mn:0.65%, zn:1.75%, ni:5.66%, mo:0.12%,
W:0.91%, als:0.045%, ta:0.51%, nd:0.01%, ce:0.02%, eu:0.01%, lu:0.02%, s:0.005%, p:
0.007%, n:0.00:6%, balance of fe；
Described high-strength alloy steel heat treatment process is:
(i) heat: by heat steel to 950 DEG C, and be incubated 25min, then steel plate is heated to 1050 DEG C by glowing furnace；
(ii) cool down: adopt compressed air to accelerate to be cooled to after 700 DEG C by steel with the cooldown rate of 15 DEG C/s, then with water-cooling pattern
It is cooled to room temperature；
(iii) it is tempered for the first time: after heat steel to 680 DEG C of tempering 47min, make steel equalizing temperature, empty using compression afterwards
Gas accelerates to be cooled to after 250 DEG C with the cooldown rate of 20 DEG C/s, then water-cooled is to room temperature；
(iv) double tempering: after heat steel to 600 DEG C of tempering 50min, by cooling twice technical cooling to room temperature；For the first time
Refrigerating work procedure: combined using water-cooled, air-cooled cooling with aerosol, first adopt water-cooled with the cooldown rate of 7 DEG C/s by steel plate water-cooled extremely
500 DEG C, then adopt the cooldown rate of air-cooled 5 DEG C/s that slab is cooled to 420 DEG C, then adopt aerosol to cool down with the cooling of 1 DEG C/s
Speed is by steel plate water-cooled to 300 DEG C；Second refrigerating work procedure: adopt compressed air or vaporific quenching liquid with the cooling speed of 12 DEG C/s
Steel plate is cooled to room temperature by rate；
It is coated with resistance to oxidation overcoat in the throw a spear outer surface of the steel of connecting rod finished product of frame；
Described resistance to oxidation overcoat includes following components: 4- isocyanatomethyl by percentage to the quality: 12%, acetic acid
Vinyl acetate: 3%, urethanes: 6%, alpha-linolenic acid: 3%, ethylene glycol dimethacrylate: 1%, trimethylolpropane tris
Methacrylate: 2%, benzoyl peroxide: 2%, butyl acrylate: 2%, Crosslinkable Acrylic Polymer Emulsion: 2%, 2- hydroxyl -1,
2- diphenylethan: 0.7%, dimethylformamide: 1%, antimony doped stannum oxide nano-crystal: 3%, nano titanium oxide: 2%, nanometer
Carborundum: 1%, tetramethylolmethane three-(3- '-aziridino)-propionic ester: 5%, ethylene-vinyl acetate copolymer: 1%, poly dimethyl silicon
Oxygen alkane: 1.4%, adhesion promoter: 2%；Polyether modified silicon oil: 0.5%, filler: 6%, organic fluorine waterproof agent: surplus；Described fill out
Expect to mix by weight 5:3:7 for barium sulfate, silicon powder and Calcium Carbonate.
Aforesaid frame is throwed a spear connecting rod, and described high strength alloy steel includes following composition: c by mass percentage:
0.58%, cr:2.98%, si:0.14%, cu:0.16%, v:0.14%, mn:0.66%, zn:1.86%, ni:5.72%, mo:0.14%,
W:0.99%, als:0.055%, ta:0.57%, nd:0.02%, ce:0.03%, eu:0.02%, lu:0.03%, s:0.003%, p:
0.005%, n:0.007%, balance of fe；
Described high-strength alloy steel heat treatment process is:
(i) heat: by heat steel to 960 DEG C, and be incubated 23min, then steel plate is heated to 1060 DEG C by glowing furnace；
(ii) cool down: adopt compressed air to accelerate to be cooled to after 720 DEG C by steel with the cooldown rate of 16 DEG C/s, then with water-cooling pattern
It is cooled to room temperature；
(iii) it is tempered for the first time: after heat steel to 690 DEG C of tempering 46min, make steel equalizing temperature, empty using compression afterwards
Gas accelerates to be cooled to after 270 DEG C with the cooldown rate of 25 DEG C/s, then water-cooled is to room temperature；
(iv) double tempering: after heat steel to 610 DEG C of tempering 48min, by cooling twice technical cooling to room temperature；For the first time
Refrigerating work procedure: combined using water-cooled, air-cooled cooling with aerosol, first adopt water-cooled with the cooldown rate of 8 DEG C/s by steel plate water-cooled extremely
520 DEG C, then adopt the cooldown rate of air-cooled 6 DEG C/s that slab is cooled to 430 DEG C, then adopt aerosol to cool down with the cooling of 2 DEG C/s
Speed is by steel plate water-cooled to 310 DEG C；Second refrigerating work procedure: adopt compressed air or vaporific quenching liquid with the cooling speed of 13 DEG C/s
Steel plate is cooled to room temperature by rate；
It is coated with resistance to oxidation overcoat in the throw a spear outer surface of the steel of connecting rod finished product of frame；
Described resistance to oxidation overcoat includes following components: 4- isocyanatomethyl by percentage to the quality: 14%, acetic acid
Vinyl acetate: 4%, urethanes: 7%, alpha-linolenic acid: 4%, ethylene glycol dimethacrylate: 2%, trimethylolpropane tris
Methacrylate: 3%, benzoyl peroxide: 3%, butyl acrylate: 2%, Crosslinkable Acrylic Polymer Emulsion: 3%, 2- hydroxyl -1,
2- diphenylethan: 0.8%, dimethylformamide: 2%, antimony doped stannum oxide nano-crystal: 3%, nano titanium oxide: 3%, nanometer
Carborundum: 2%, tetramethylolmethane three-(3- '-aziridino)-propionic ester: 6%, ethylene-vinyl acetate copolymer: 2%, poly dimethyl
Siloxanes: 1.5%, adhesion promoter: 3%；Polyether modified silicon oil: 1%, filler: 7%, organic fluorine waterproof agent: surplus；Described fill out
Expect to mix by weight 5:3:7 for barium sulfate, silicon powder and Calcium Carbonate.
Further, aforesaid frame is throwed a spear connecting rod, and described high strength alloy steel includes becoming as follows by mass percentage
Point: c:0.65%, cr:3.23%, si:0.15%, cu:0.17%, v:0.16%, mn:0.67%, zn:1.96%, ni:5.78%, mo:
0.15%, w:1.15%, als:0.065%, ta:0.63%, nd:0.03%, ce:0.04%, eu:0.04%, lu:0.03%, s:
0.003%, p:0.005%, n:0.005%, balance of fe；
Described high-strength alloy steel heat treatment process is:
(i) heat: by heat steel to 970 DEG C, and be incubated 20min, then steel plate is heated to 1070 DEG C by glowing furnace；
(ii) cool down: adopt compressed air to accelerate to be cooled to after 730 DEG C by steel with the cooldown rate of 17 DEG C/s, then with water-cooling pattern
It is cooled to room temperature；
(iii) it is tempered for the first time: after heat steel to 700 DEG C of tempering 47min, make steel equalizing temperature, empty using compression afterwards
Gas accelerates to be cooled to after 300 DEG C with the cooldown rate of 30 DEG C/s, then water-cooled is to room temperature；
(iv) double tempering: after heat steel to 620 DEG C of tempering 45min, by cooling twice technical cooling to room temperature；For the first time
Refrigerating work procedure: combined using water-cooled, air-cooled cooling with aerosol, first adopt water-cooled with the cooldown rate of 9 DEG C/s by steel plate water-cooled extremely
530 DEG C, then adopt the cooldown rate of air-cooled 7 DEG C/s that slab is cooled to 440 DEG C, then adopt aerosol to cool down with the cooling of 3 DEG C/s
Speed is by steel plate water-cooled to 320 DEG C；Second refrigerating work procedure: adopt compressed air or vaporific quenching liquid with the cooling speed of 15 DEG C/s
Steel plate is cooled to room temperature by rate；
It is coated with resistance to oxidation overcoat in the throw a spear outer surface of the steel of connecting rod finished product of frame；
Described resistance to oxidation overcoat includes following components: 4- isocyanatomethyl by percentage to the quality: 16%, acetic acid
Vinyl acetate: 4%, urethanes: 8%, alpha-linolenic acid: 4%, ethylene glycol dimethacrylate: 3%, trimethylolpropane tris
Methacrylate: 4%, benzoyl peroxide: 2%, butyl acrylate: 3%, Crosslinkable Acrylic Polymer Emulsion: 5%, 2- hydroxyl -1,
2- diphenylethan: 0.9%, dimethylformamide: 2%, antimony doped stannum oxide nano-crystal: 5%, nano titanium oxide: 4%, nanometer
Carborundum: 3%, tetramethylolmethane three-(3- '-aziridino)-propionic ester: 7%, ethylene-vinyl acetate copolymer: 2%, poly dimethyl silicon
Oxygen alkane: 2%, adhesion promoter: 3%；Polyether modified silicon oil: 1.5%, filler: 8%, organic fluorine waterproof agent: surplus；Described filler
Mix by weight 5:3:7 for barium sulfate, silicon powder and Calcium Carbonate.
The beneficial effect that outer surface of the present invention posts composite membrane is:
The outer surface of steel of the present invention is coated with resistance to oxidation overcoat, improves its anticorrosion ability, increased service life；Separately
Outward, resistance to oxidation overcoat of the present invention, in addition to having anticorrosion ability, also has good antistatic behaviour and absorbs thermal insulation, with
And surface water repellency and soil resistance, the mar proof adding and improving composite membrane of nano material, achieve many things at one stroke, obtain meaning
Outer less than technique effect.Frame of the present invention throws a spear connecting rod compared with existing connecting rod of throwing a spear, and can increase service life 2-3 times,
There is antistatic behaviour simultaneously, absorb thermal insulation, surface water repellency and soil resistance, more preferably, fault rate can reduce 30-40% to stability.
The outer surface resistance to oxidation overcoat of steel can airtight fall outer surface on Minute pores, increase resistance to oxidation overcoat and steel simultaneously
The strong peel strength of stickup of the outer surface of material and tearing strength.
Specific embodiment
Embodiment 1
The present embodiment is that a kind of frame is throwed a spear connecting rod, and described high strength alloy steel includes following composition: c by mass percentage:
0.53%, cr:2.61%, si:0.12%, cu:0.15%, v:0.12%, mn:0.65%, zn:1.75%, ni:5.66%, mo:0.12%,
W:0.91%, als:0.045%, ta:0.51%, nd:0.01%, ce:0.02%, eu:0.01%, lu:0.02%, s:0.005%, p:
0.007%, n:0.00:6%, balance of fe；
High-strength alloy steel heat treatment process is:
(i) heat: by heat steel to 950 DEG C, and be incubated 25min, then steel plate is heated to 1050 DEG C by glowing furnace；
(ii) cool down: adopt compressed air to accelerate to be cooled to after 700 DEG C by steel with the cooldown rate of 15 DEG C/s, then with water-cooling pattern
It is cooled to room temperature；
(iii) it is tempered for the first time: after heat steel to 680 DEG C of tempering 47min, make steel equalizing temperature, empty using compression afterwards
Gas accelerates to be cooled to after 250 DEG C with the cooldown rate of 20 DEG C/s, then water-cooled is to room temperature；
(iv) double tempering: after heat steel to 600 DEG C of tempering 50min, by cooling twice technical cooling to room temperature；For the first time
Refrigerating work procedure: combined using water-cooled, air-cooled cooling with aerosol, first adopt water-cooled with the cooldown rate of 7 DEG C/s by steel plate water-cooled extremely
500 DEG C, then adopt the cooldown rate of air-cooled 5 DEG C/s that slab is cooled to 420 DEG C, then adopt aerosol to cool down with the cooling of 1 DEG C/s
Speed is by steel plate water-cooled to 300 DEG C；Second refrigerating work procedure: adopt compressed air or vaporific quenching liquid with the cooling speed of 12 DEG C/s
Steel plate is cooled to room temperature by rate；
It is coated with resistance to oxidation overcoat in the throw a spear outer surface of the steel of connecting rod finished product of frame；
Resistance to oxidation overcoat includes following components: 4- isocyanatomethyl by percentage to the quality: 12%, vinyl acetate
Ester: 3%, urethanes: 6%, alpha-linolenic acid: 3%, ethylene glycol dimethacrylate: 1%, trimethylol propane trimethyl
Acrylate: 2%, benzoyl peroxide: 2%, butyl acrylate: 2%, Crosslinkable Acrylic Polymer Emulsion: 2%, 2- hydroxyl -1,2- bis-
Phenyl ethyl ketone: 0.7%, dimethylformamide: 1%, antimony doped stannum oxide nano-crystal: 3%, nano titanium oxide: 2%, nano silicon carbide
Silicon: 1%, tetramethylolmethane three-(3- '-aziridino)-propionic ester: 5%, ethylene-vinyl acetate copolymer: 1%, polydimethylsiloxanes
Alkane: 1.4%, adhesion promoter: 2%；Polyether modified silicon oil: 0.5%, filler: 6%, organic fluorine waterproof agent: surplus；Filler is sulfur
Sour barium, silicon powder and Calcium Carbonate mix by weight 5:3:7.
Embodiment 2
The present embodiment is that a kind of frame is throwed a spear connecting rod, and high strength alloy steel includes following composition: c by mass percentage:
0.58%, cr:2.98%, si:0.14%, cu:0.16%, v:0.14%, mn:0.66%, zn:1.86%, ni:5.72%, mo:0.14%,
W:0.99%, als:0.055%, ta:0.57%, nd:0.02%, ce:0.03%, eu:0.02%, lu:0.03%, s:0.003%, p:
0.005%, n:0.007%, balance of fe；
High-strength alloy steel heat treatment process is:
(i) heat: by heat steel to 960 DEG C, and be incubated 23min, then steel plate is heated to 1060 DEG C by glowing furnace；
(ii) cool down: adopt compressed air to accelerate to be cooled to after 720 DEG C by steel with the cooldown rate of 16 DEG C/s, then with water-cooling pattern
It is cooled to room temperature；
(iii) it is tempered for the first time: after heat steel to 690 DEG C of tempering 46min, make steel equalizing temperature, empty using compression afterwards
Gas accelerates to be cooled to after 270 DEG C with the cooldown rate of 25 DEG C/s, then water-cooled is to room temperature；
(iv) double tempering: after heat steel to 610 DEG C of tempering 48min, by cooling twice technical cooling to room temperature；For the first time
Refrigerating work procedure: combined using water-cooled, air-cooled cooling with aerosol, first adopt water-cooled with the cooldown rate of 8 DEG C/s by steel plate water-cooled extremely
520 DEG C, then adopt the cooldown rate of air-cooled 6 DEG C/s that slab is cooled to 430 DEG C, then adopt aerosol to cool down with the cooling of 2 DEG C/s
Speed is by steel plate water-cooled to 310 DEG C；Second refrigerating work procedure: adopt compressed air or vaporific quenching liquid with the cooling speed of 13 DEG C/s
Steel plate is cooled to room temperature by rate；
It is coated with resistance to oxidation overcoat in the throw a spear outer surface of the steel of connecting rod finished product of frame；
Resistance to oxidation overcoat includes following components: 4- isocyanatomethyl by percentage to the quality: 14%, vinyl acetate
Ester: 4%, urethanes: 7%, alpha-linolenic acid: 4%, ethylene glycol dimethacrylate: 2%, trimethylol propane trimethyl
Acrylate: 3%, benzoyl peroxide: 3%, butyl acrylate: 2%, Crosslinkable Acrylic Polymer Emulsion: 3%, 2- hydroxyl -1,2- bis-
Phenyl ethyl ketone: 0.8%, dimethylformamide: 2%, antimony doped stannum oxide nano-crystal: 3%, nano titanium oxide: 3%, nano silicon carbide
Silicon: 2%, tetramethylolmethane three-(3- '-aziridino)-propionic ester: 6%, ethylene-vinyl acetate copolymer: 2%, polydimethylsiloxanes
Alkane: 1.5%, adhesion promoter: 3%；Polyether modified silicon oil: 1%, filler: 7%, organic fluorine waterproof agent: surplus；Filler is sulphuric acid
Barium, silicon powder and Calcium Carbonate mix by weight 5:3:7.
Embodiment 3
The present embodiment is that a kind of frame is throwed a spear connecting rod, and high strength alloy steel includes following composition: c by mass percentage:
0.65%, cr:3.23%, si:0.15%, cu:0.17%, v:0.16%, mn:0.67%, zn:1.96%, ni:5.78%, mo:0.15%,
W:1.15%, als:0.065%, ta:0.63%, nd:0.03%, ce:0.04%, eu:0.04%, lu:0.03%, s:0.003%, p:
0.005%, n:0.005%, balance of fe；
High-strength alloy steel heat treatment process is:
(i) heat: by heat steel to 970 DEG C, and be incubated 20min, then steel plate is heated to 1070 DEG C by glowing furnace；
(ii) cool down: adopt compressed air to accelerate to be cooled to after 730 DEG C by steel with the cooldown rate of 17 DEG C/s, then with water-cooling pattern
It is cooled to room temperature；
(iii) it is tempered for the first time: after heat steel to 700 DEG C of tempering 47min, make steel equalizing temperature, empty using compression afterwards
Gas accelerates to be cooled to after 300 DEG C with the cooldown rate of 30 DEG C/s, then water-cooled is to room temperature；
(iv) double tempering: after heat steel to 620 DEG C of tempering 45min, by cooling twice technical cooling to room temperature；For the first time
Refrigerating work procedure: combined using water-cooled, air-cooled cooling with aerosol, first adopt water-cooled with the cooldown rate of 9 DEG C/s by steel plate water-cooled extremely
530 DEG C, then adopt the cooldown rate of air-cooled 7 DEG C/s that slab is cooled to 440 DEG C, then adopt aerosol to cool down with the cooling of 3 DEG C/s
Speed is by steel plate water-cooled to 320 DEG C；Second refrigerating work procedure: adopt compressed air or vaporific quenching liquid with the cooling speed of 15 DEG C/s
Steel plate is cooled to room temperature by rate；
It is coated with resistance to oxidation overcoat in the throw a spear outer surface of the steel of connecting rod finished product of frame；
Resistance to oxidation overcoat includes following components: 4- isocyanatomethyl by percentage to the quality: 16%, vinyl acetate
Ester: 4%, urethanes: 8%, alpha-linolenic acid: 4%, ethylene glycol dimethacrylate: 3%, trimethylol propane trimethyl
Acrylate: 4%, benzoyl peroxide: 2%, butyl acrylate: 3%, Crosslinkable Acrylic Polymer Emulsion: 5%, 2- hydroxyl -1,2- bis-
Phenyl ethyl ketone: 0.9%, dimethylformamide: 2%, antimony doped stannum oxide nano-crystal: 5%, nano titanium oxide: 4%, nano silicon carbide
Silicon: 3%, tetramethylolmethane three-(3- '-aziridino)-propionic ester: 7%, ethylene-vinyl acetate copolymer: 2%, polydimethylsiloxanes
Alkane: 2%, adhesion promoter: 3%；Polyether modified silicon oil: 1.5%, filler: 8%, organic fluorine waterproof agent: surplus；Filler is sulphuric acid
Barium, silicon powder and Calcium Carbonate mix by weight 5:3:7.
In addition to the implementation, the present invention can also have other embodiment.All employing equivalents or equivalent transformation shape
The technical scheme becoming, all falls within the protection domain of application claims.
Claims (5)
1. a kind of frame throw a spear connecting rod it is characterised in that: this connecting rod of throwing a spear is made up of high strength alloy steel, described high-strength alloy
Steel includes following composition: c:0.53-0.65%, cr:2.61-3.23%, si:0.12-0.15%, cu by mass percentage:
0.15-0.17%, v:0.12-0.16%, mn:0.65-0.67%, zn:1.75-1.96%, ni:5.66-5.78%, mo:0.12-
0.15%, w:0.91-1.15%, als:0.045-0.065%, ta:0.51-0.63%, nd:0.01-0.03%, ce:0.02-
0.04%, eu:0.01-0.04%, lu:0.02-0.03%, s≤0.005%, p≤0.007%, n≤0.007%, balance of fe；
Described high-strength alloy steel heat treatment process is:
(i) heat: by heat steel to 950-970 DEG C, and be incubated 20-25min, then steel plate is heated to 1050- by glowing furnace
1070℃；
(ii) cool down: adopt compressed air to accelerate to be cooled to after 700-730 DEG C by steel with the cooldown rate of 15-17 DEG C/s, then with
Water-cooling pattern is cooled to room temperature；
(iii) it is tempered for the first time: after heat steel to 680-700 DEG C of tempering 45-47min, make steel equalizing temperature, adopt afterwards
Accelerate to be cooled to after 250-300 DEG C with the cooldown rate of 20-30 DEG C/s with compressed air, then water-cooled is to room temperature；
(iv) double tempering: after heat steel to 600-620 DEG C of tempering 45-50min, by cooling twice technical cooling to often
Temperature；First time refrigerating work procedure: combined using water-cooled, air-cooled cooling with aerosol, first adopt water-cooled to incite somebody to action with the cooldown rate of 7-9 DEG C/s
Steel plate water-cooled, to 500-530 DEG C, then adopts the cooldown rate of air-cooled 5-7 DEG C/s that slab is cooled to 420-440 DEG C, then adopts gas
Fog cooling with the cooldown rate of 1-3 DEG C/s by steel plate water-cooled to 300-320 DEG C；Second refrigerating work procedure: using compressed air or
Steel plate is cooled to room temperature with the cooldown rate of 12-15 DEG C/s by vaporific quenching liquid.
2. frame as claimed in claim 1 throw a spear connecting rod it is characterised in that: the appearance of the steel of connecting rod finished product of throwing a spear in frame
Face is coated with resistance to oxidation overcoat；
Described resistance to oxidation overcoat includes following components: 4- isocyanatomethyl: 12-16%, vinegar by percentage to the quality
Vinyl acetate: 3-5%, urethanes: 6-8%, alpha-linolenic acid: 3-5%, ethylene glycol dimethacrylate: 1-3%, three hydroxyls
Trimethacrylate: 2-4%, benzoyl peroxide: 2-4%, butyl acrylate: 2-3%, crosslinking acrylate
Emulsion: 2-5%, 2- hydroxyl -1,2- diphenylethan: 0.7-0.9%, dimethylformamide: 1-2%, antimony-doped tin oxide nano
Brilliant: 3-5%, nano titanium oxide: 2-4%, nanometer silicon carbide: 1-3%, tetramethylolmethane three-(3- '-aziridino)-propionic ester: 5-
7%, ethylene-vinyl acetate copolymer: 1-2%, polydimethylsiloxane: 1.4-2%, adhesion promoter: 2-3%；Polyether-modified
Silicone oil: 0.5-1.5%, filler: 6-10%, organic fluorine waterproof agent: surplus；Described filler is that barium sulfate, silicon powder and Calcium Carbonate are pressed
Weight mixes than 5:3:7.
3. frame as claimed in claim 2 throw a spear connecting rod it is characterised in that: described high strength alloy steel is by mass percentage
Including following composition: c:0.53%, cr:2.61%, si:0.12%, cu:0.15%, v:0.12%, mn:0.65%, zn:1.75%, ni:
5.66%, mo:0.12%, w:0.91%, als:0.045%, ta:0.51%, nd:0.01%, ce:0.02%, eu:0.01%, lu:
0.02%, s:0.005%, p:0.007%, n:0.00:6%, balance of fe；
Described high-strength alloy steel heat treatment process is:
(i) heat: by heat steel to 950 DEG C, and be incubated 25min, then steel plate is heated to 1050 DEG C by glowing furnace；
(ii) cool down: adopt compressed air to accelerate to be cooled to after 700 DEG C by steel with the cooldown rate of 15 DEG C/s, then with water-cooling pattern
It is cooled to room temperature；
(iii) it is tempered for the first time: after heat steel to 680 DEG C of tempering 47min, make steel equalizing temperature, empty using compression afterwards
Gas accelerates to be cooled to after 250 DEG C with the cooldown rate of 20 DEG C/s, then water-cooled is to room temperature；
(iv) double tempering: after heat steel to 600 DEG C of tempering 50min, by cooling twice technical cooling to room temperature；For the first time
Refrigerating work procedure: combined using water-cooled, air-cooled cooling with aerosol, first adopt water-cooled with the cooldown rate of 7 DEG C/s by steel plate water-cooled extremely
500 DEG C, then adopt the cooldown rate of air-cooled 5 DEG C/s that slab is cooled to 420 DEG C, then adopt aerosol to cool down with the cooling of 1 DEG C/s
Speed is by steel plate water-cooled to 300 DEG C；Second refrigerating work procedure: adopt compressed air or vaporific quenching liquid with the cooling speed of 12 DEG C/s
Steel plate is cooled to room temperature by rate；
It is coated with resistance to oxidation overcoat in the throw a spear outer surface of the steel of connecting rod finished product of frame；
Described resistance to oxidation overcoat includes following components: 4- isocyanatomethyl by percentage to the quality: 12%, acetic acid
Vinyl acetate: 3%, urethanes: 6%, alpha-linolenic acid: 3%, ethylene glycol dimethacrylate: 1%, trimethylolpropane tris
Methacrylate: 2%, benzoyl peroxide: 2%, butyl acrylate: 2%, Crosslinkable Acrylic Polymer Emulsion: 2%, 2- hydroxyl -1,
2- diphenylethan: 0.7%, dimethylformamide: 1%, antimony doped stannum oxide nano-crystal: 3%, nano titanium oxide: 2%, nanometer
Carborundum: 1%, tetramethylolmethane three-(3- '-aziridino)-propionic ester: 5%, ethylene-vinyl acetate copolymer: 1%, poly dimethyl silicon
Oxygen alkane: 1.4%, adhesion promoter: 2%；Polyether modified silicon oil: 0.5%, filler: 6%, organic fluorine waterproof agent: surplus；Described fill out
Expect to mix by weight 5:3:7 for barium sulfate, silicon powder and Calcium Carbonate.
4. frame as claimed in claim 2 throw a spear connecting rod it is characterised in that: described high strength alloy steel is by mass percentage
Including following composition: c:0.58%, cr:2.98%, si:0.14%, cu:0.16%, v:0.14%, mn:0.66%, zn:1.86%, ni:
5.72%, mo:0.14%, w:0.99%, als:0.055%, ta:0.57%, nd:0.02%, ce:0.03%, eu:0.02%, lu:
0.03%, s:0.003%, p:0.005%, n:0.007%, balance of fe；
Described high-strength alloy steel heat treatment process is:
(i) heat: by heat steel to 960 DEG C, and be incubated 23min, then steel plate is heated to 1060 DEG C by glowing furnace；
(ii) cool down: adopt compressed air to accelerate to be cooled to after 720 DEG C by steel with the cooldown rate of 16 DEG C/s, then with water-cooling pattern
It is cooled to room temperature；
(iii) it is tempered for the first time: after heat steel to 690 DEG C of tempering 46min, make steel equalizing temperature, empty using compression afterwards
Gas accelerates to be cooled to after 270 DEG C with the cooldown rate of 25 DEG C/s, then water-cooled is to room temperature；
(iv) double tempering: after heat steel to 610 DEG C of tempering 48min, by cooling twice technical cooling to room temperature；For the first time
Refrigerating work procedure: combined using water-cooled, air-cooled cooling with aerosol, first adopt water-cooled with the cooldown rate of 8 DEG C/s by steel plate water-cooled extremely
520 DEG C, then adopt the cooldown rate of air-cooled 6 DEG C/s that slab is cooled to 430 DEG C, then adopt aerosol to cool down with the cooling of 2 DEG C/s
Speed is by steel plate water-cooled to 310 DEG C；Second refrigerating work procedure: adopt compressed air or vaporific quenching liquid with the cooling speed of 13 DEG C/s
Steel plate is cooled to room temperature by rate；
It is coated with resistance to oxidation overcoat in the throw a spear outer surface of the steel of connecting rod finished product of frame；
Described resistance to oxidation overcoat includes following components: 4- isocyanatomethyl by percentage to the quality: 14%, acetic acid
Vinyl acetate: 4%, urethanes: 7%, alpha-linolenic acid: 4%, ethylene glycol dimethacrylate: 2%, trimethylolpropane tris
Methacrylate: 3%, benzoyl peroxide: 3%, butyl acrylate: 2%, Crosslinkable Acrylic Polymer Emulsion: 3%, 2- hydroxyl -1,
2- diphenylethan: 0.8%, dimethylformamide: 2%, antimony doped stannum oxide nano-crystal: 3%, nano titanium oxide: 3%, nanometer
Carborundum: 2%, tetramethylolmethane three-(3- '-aziridino)-propionic ester: 6%, ethylene-vinyl acetate copolymer: 2%, poly dimethyl
Siloxanes: 1.5%, adhesion promoter: 3%；Polyether modified silicon oil: 1%, filler: 7%, organic fluorine waterproof agent: surplus；Described fill out
Expect to mix by weight 5:3:7 for barium sulfate, silicon powder and Calcium Carbonate.
5. frame as claimed in claim 2 throw a spear connecting rod it is characterised in that: described high strength alloy steel is by mass percentage
Including following composition: c:0.65%, cr:3.23%, si:0.15%, cu:0.17%, v:0.16%, mn:0.67%, zn:1.96%, ni:
5.78%, mo:0.15%, w:1.15%, als:0.065%, ta:0.63%, nd:0.03%, ce:0.04%, eu:0.04%, lu:
0.03%, s:0.003%, p:0.005%, n:0.005%, balance of fe；
Described high-strength alloy steel heat treatment process is:
(i) heat: by heat steel to 970 DEG C, and be incubated 20min, then steel plate is heated to 1070 DEG C by glowing furnace；
(ii) cool down: adopt compressed air to accelerate to be cooled to after 730 DEG C by steel with the cooldown rate of 17 DEG C/s, then with water-cooling pattern
It is cooled to room temperature；
(iii) it is tempered for the first time: after heat steel to 700 DEG C of tempering 47min, make steel equalizing temperature, empty using compression afterwards
Gas accelerates to be cooled to after 300 DEG C with the cooldown rate of 30 DEG C/s, then water-cooled is to room temperature；
(iv) double tempering: after heat steel to 620 DEG C of tempering 45min, by cooling twice technical cooling to room temperature；For the first time
Refrigerating work procedure: combined using water-cooled, air-cooled cooling with aerosol, first adopt water-cooled with the cooldown rate of 9 DEG C/s by steel plate water-cooled extremely
530 DEG C, then adopt the cooldown rate of air-cooled 7 DEG C/s that slab is cooled to 440 DEG C, then adopt aerosol to cool down with the cooling of 3 DEG C/s
Speed is by steel plate water-cooled to 320 DEG C；Second refrigerating work procedure: adopt compressed air or vaporific quenching liquid with the cooling speed of 15 DEG C/s
Steel plate is cooled to room temperature by rate；
It is coated with resistance to oxidation overcoat in the throw a spear outer surface of the steel of connecting rod finished product of frame；
Described resistance to oxidation overcoat includes following components: 4- isocyanatomethyl by percentage to the quality: 16%, acetic acid
Vinyl acetate: 4%, urethanes: 8%, alpha-linolenic acid: 4%, ethylene glycol dimethacrylate: 3%, trimethylolpropane tris
Methacrylate: 4%, benzoyl peroxide: 2%, butyl acrylate: 3%, Crosslinkable Acrylic Polymer Emulsion: 5%, 2- hydroxyl -1,
2- diphenylethan: 0.9%, dimethylformamide: 2%, antimony doped stannum oxide nano-crystal: 5%, nano titanium oxide: 4%, nanometer
Carborundum: 3%, tetramethylolmethane three-(3- '-aziridino)-propionic ester: 7%, ethylene-vinyl acetate copolymer: 2%, poly dimethyl silicon
Oxygen alkane: 2%, adhesion promoter: 3%；Polyether modified silicon oil: 1.5%, filler: 8%, organic fluorine waterproof agent: surplus；Described filler
Mix by weight 5:3:7 for barium sulfate, silicon powder and Calcium Carbonate.
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