CN108004480A - A kind of high-strength spring and its processing technology - Google Patents

A kind of high-strength spring and its processing technology Download PDF

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Publication number
CN108004480A
CN108004480A CN201711359613.4A CN201711359613A CN108004480A CN 108004480 A CN108004480 A CN 108004480A CN 201711359613 A CN201711359613 A CN 201711359613A CN 108004480 A CN108004480 A CN 108004480A
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spring
strength spring
coating
strength
parts
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刘浩
张君
张欢芬
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Suzhou Hao Yan Precision Mold Ltd Co
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Suzhou Hao Yan Precision Mold Ltd Co
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Priority to CN201711359613.4A priority Critical patent/CN108004480A/en
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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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • 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
    • C09D5/10—Anti-corrosive paints containing metal dust
    • C09D5/103—Anti-corrosive paints containing metal dust containing Al
    • 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
    • C09D5/18—Fireproof paints including high temperature resistant 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
    • 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
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
    • C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
    • C23C28/3225—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only with at least one zinc-based layer
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/021—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant characterised by their composition, e.g. comprising materials providing for particular spring properties
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/024—Covers or coatings therefor

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Springs (AREA)

Abstract

The present invention relates to a kind of high-strength spring, component is in the high-strength spring：C, Al%, Sn, Zn, Mn, Cr, Ni, Mo, Ti, Pd, Nd, Ce, Eu, Lu, magnesia, aluminium oxide, zinc oxide, Fe.The high-strength spring elasticity of the present invention is big, corrosion resistance and good, service life length.Pass through the processing technology of the high-strength spring of the present invention, heat treatment process particularly therein, face crack caused by controllable spring is laterally and longitudinally recessed, and spring silk table surface layer can be made to produce the residual stress opposite with working stress, part working stress can be offset during stand under load, increases service life.The high-strength spring of the present invention improves the corrosion resistance of spring due to adding Al, Mg, Y, Zr, Sn, Zn and Ni.

Description

A kind of high-strength spring and its processing technology
Technical field
The present invention relates to a kind of high-strength spring and its processing technology, belong to amping device technical field.
Background technology
Spring is a kind of widely used flexible member, and shape occurs under external force for part made of elastic material Become, restore to the original state again after removing external force, its shape is mostly cylinder, and production and processing can be divided into cold coiling shaping and hot rolling shaping, also Make " spring ".Spring in order to its assembly space preferably coincide, be also designed as it is non-cylindrical, as automobile dual-mass flies The spring of wheel is arc spring.The species complexity of spring is various, by shape point, mainly there is helical spring, scroll spring, plate bullet Spring, heterotypic spring etc..
Spring is very universal in present application, all trades and professions according to different purposes using varying strength rigidity and The spring of service life.Existing spring strength is low, and service life is short, and easy rust corrosion.
The content of the invention
The technical problem to be solved in the present invention is in view of the shortcomings of the prior art, propose that a kind of intensity is high, service life length High-strength spring.
The present invention is to solve the technical solution that above-mentioned technical problem proposes to be：A kind of high-strength spring, the high-strength spring In the mass percent of each component be： C：0.03-0.04%, Al:3.11-3.55%,Sn:0.14-0.33%,Zn:0.25- 0.36%,Mn：1.22-1.46%, Cr：0.05-0.09%, Ni：0.12-0.23%, Mo：0.01-0.03%, Ti：0.33-0.45%, Pd：0.23-0.31%,Nd：0.02-0.05%,Ce：0.11-0.15%,Eu：0.11-0.17%,Lu:0.08-0.12%, magnesia： 0.02-0.05%, aluminium oxide：0.05-0.11%, zinc oxide：0.02-0.03%, surplus Fe.
The improvement of above-mentioned technical proposal is：The mass percent of each component is in high-strength spring：C：0.03%, Al: 3.11%,Sn:0.14%,Zn:0.25%,Mn：1.22%, Cr：0.05%, Ni：0.12%, Mo：0.01%, Ti：0.33%, Pd： 0.23%,Nd：0.02%,Ce：0.11%,Eu：0.11%,Lu:0.08%, magnesia：0.02%, aluminium oxide：0.05%, zinc oxide： 0.02%, surplus Fe.
The improvement of above-mentioned technical proposal is：The mass percent of each component is C in high-strength spring：0.04%, Al: 3.55%,Sn:0.33%,Zn:0.36%,Mn：1.46%, Cr：0.09%, Ni：0.23%, Mo：0.03%, Ti：0.45%, Pd： 0.31%,Nd：0.05%,Ce：0.15%,Eu：0.17%,Lu:0.12%, magnesia：0.05%, aluminium oxide：0.11%, zinc oxide： 0.03%, surplus Fe.
The processing technology of the high-strength spring, comprises the following steps：
(i) blanking：Gas cutting spring wire raw material determines length, reconditioning cut surface；
(ii) hot rolling：Spring wire after tagging is heated to 850-900 DEG C, peace carries out hot rolling according to predetermined height, outside diameter and the number of turns, Soaking time is 45-65 minutes；
(iii) it is heat-treated：Spring wire is heat-treated using the heat treatment process of quenching-heating-tempering；
(iv) swirling flows：Spring is depressed into requirement height, 12-14h is parked, then decontrols：
(v) Shot Blasting：Spring is subjected at least 2 Shot Blastings；
(vi) pickling：By the spring after Shot Blasting be placed in concentration be 15-17% hydrochloric acid in soak 4-5min, after cleaned with clear water, Concentration is placed in again to soak 15-18min in 1-2% phosphate solutions, is finally cleaned with clear water；
(vii) electroplate：In spring surface by electrogalvanizing, zinc coating thickness is 20-30 μm；
(viii) the method coating refractory coating in Zinc Deposit by atomizing spraying, coating spraying thickness 0.1-0.4mm；
Refractory coating its raw material composition includes by weight：Magnesia：16~19 parts；Zinc oxide：11~13 parts；Zinc borate：2~ 5 parts；Coupling agent：3~6 parts；Carbon black：1~4 part；Clay：12~15 parts；Diatomite：16~18 parts；Coupling agent rubs for vinyl The methylvinyl organopolysiloxane that your fraction is 0.12~0.14%；
(ix) spray：Using Ultrasonic Arc Sprayed in the surface spraying pure aluminum coating of refractory coating, obtained high-strength spring, fine aluminium Coating spraying thickness is 40 ± 20 μm.
It is of the invention to be using the beneficial effect of above-mentioned technical proposal：（1）The present invention high-strength spring due to adding Al, Mg, Y, Zr, Sn, Zn and Ni, improve the corrosion resistance of spring；（2）The present invention high-strength spring due to adding Ti, Improve the structural strength of spring；（3）The high-strength spring of the present invention is due to adding Pd and Nd etc. so that the corrosion resistant of spring Erosion and structural strength, elasticity are improved；（4）The high-strength spring elasticity of the present invention is big, and corrosion resistance and good, uses the longevity Life length；（5）By the processing technology of the high-strength spring of the present invention, particularly heat treatment process therein, it can control spring horizontal To with it is longitudinally concave caused by face crack, and spring silk table surface layer can be made to produce the residual stress opposite with working stress, stand under load When can offset part working stress, increase service life；（6）By the cooperation of zinc coating, refractory coating and pure aluminum coating, improve The corrosion-resistant and fire resistance of spring, ensure that the stabilization used, and extend service life.
Embodiment
Embodiment one
The mass percent of each component is in the high-strength spring of the present embodiment：C：0.03-0.04%, Al:3.11-3.55%,Sn: 0.14-0.33%,Zn:0.25-0.36%,Mn：1.22-1.46%, Cr：0.05-0.09%, Ni：0.12-0.23%, Mo：0.01- 0.03%, Ti：0.33-0.45%, Pd：0.23-0.31%,Nd：0.02-0.05%,Ce：0.11-0.15%,Eu：0.11-0.17%, Lu:0.08-0.12%, magnesia：0.02-0.05%, aluminium oxide：0.05-0.11%, zinc oxide：0.02-0.03%, surplus Fe.
The high-strength spring processing technology, comprises the following steps：
(i) blanking：Gas cutting spring wire raw material determines length, reconditioning cut surface；
(ii) hot rolling：Spring wire after tagging is heated to 850 DEG C, peace carries out hot rolling, insulation according to predetermined height, outside diameter and the number of turns Time is 50 minutes；
(iii) it is heat-treated：Spring wire is heat-treated using the heat treatment process of quenching-heating-tempering；
(iv) swirling flows：Spring is depressed into requirement height, 14h is parked, then decontrols：
(v) Shot Blasting：Spring is subjected to 2 Shot Blastings；
(vi) pickling：Spring after Shot Blasting is placed in the hydrochloric acid that concentration is 16% and soaks 5min, after cleaned with clear water, then put It is to soak 18min in 2% phosphate solution in concentration, is finally cleaned with clear water；
(vii) electroplate：In spring surface by electrogalvanizing, zinc coating thickness is 30 μm；
(viii) the method coating refractory coating in Zinc Deposit by atomizing spraying, coating spraying thickness 0.4mm；
Refractory coating its raw material composition includes by weight：Magnesia：19 parts；Zinc oxide：13 parts；Zinc borate：Part；Coupling agent：3 Part；Carbon black：4 parts；Clay：15 parts；Diatomite：18 parts；Coupling agent is the methyl ethylene that vinyl molar fraction is 0.13% Organopolysiloxane；
(ix) spray：Using Ultrasonic Arc Sprayed in the surface spraying pure aluminum coating of refractory coating, obtained high-strength spring, fine aluminium Coating spraying thickness is 40 ± 20 μm.
Embodiment two
The mass percent of each component is in the high-strength spring of the present embodiment：C：0.04%, Al:3.55%,Sn:0.33%,Zn: 0.36%,Mn：1.46%, Cr：0.09%, Ni：0.23%, Mo：0.03%, Ti：0.45%, Pd：0.31%,Nd：-0.05%,Ce： 0.15%,Eu：0.17%,Lu:0.12%, magnesia：0.05%, aluminium oxide：0.11%, zinc oxide：0.03%, surplus Fe.
The present invention is not limited to above-described embodiment.All technical solutions formed using equivalent substitution, all falling within the present invention will The protection domain asked.

Claims (4)

  1. A kind of 1. high-strength spring, it is characterised in that：The mass percent of each component is in the high-strength spring：C：0.03- 0.04%, Al:3.11-3.55%,Sn:0.14-0.33%,Zn:0.25-0.36%,Mn：1.22-1.46%, Cr：0.05-0.09%, Ni：0.12-0.23%, Mo：0.01-0.03%, Ti：0.33-0.45%, Pd：0.23-0.31%,Nd：0.02-0.05%,Ce： 0.11-0.15%,Eu：0.11-0.17%,Lu:0.08-0.12%, magnesia：0.02-0.05%, aluminium oxide：0.05-0.11%, oxygen Change zinc：0.02-0.03%, surplus Fe.
  2. 2. high-strength spring according to claim 1, it is characterised in that：The quality hundred of each component in the high-strength spring Point ratio is：C：0.03%, Al:3.11%,Sn:0.14%,Zn:0.25%,Mn：1.22%, Cr：0.05%, Ni：0.12%, Mo： 0.01%, Ti：0.33%, Pd：0.23%,Nd：0.02%,Ce：0.11%,Eu：0.11%,Lu:0.08%, magnesia：0.02%, oxidation Aluminium：0.05%, zinc oxide：0.02%, surplus Fe.
  3. 3. high-strength spring according to claim 1, it is characterised in that：The quality hundred of each component in the high-strength spring It is C to divide ratio：0.04%, Al:3.55%,Sn:0.33%,Zn:0.36%,Mn：1.46%, Cr：0.09%, Ni：0.23%, Mo：0.03%, Ti：0.45%, Pd：0.31%,Nd：0.05%,Ce：0.15%,Eu：0.17%,Lu:0.12%, magnesia：0.05%, aluminium oxide： 0.11%, zinc oxide：0.03%, surplus Fe.
  4. 4. the processing technology of the high-strength spring according to any claim in claim 1-3, it is characterised in that：Including Following steps：
    (i) blanking：Gas cutting spring wire raw material determines length, reconditioning cut surface；
    (ii) hot rolling：Spring wire after tagging is heated to 850-900 DEG C, peace carries out hot rolling according to predetermined height, outside diameter and the number of turns, Soaking time is 45-65 minutes；
    (iii) it is heat-treated：Spring wire is heat-treated using the heat treatment process of quenching-heating-tempering；
    (iv) swirling flows：Spring is depressed into requirement height, 12-14h is parked, then decontrols：
    (v) Shot Blasting：Spring is subjected at least 2 Shot Blastings；
    (vi) pickling：By the spring after Shot Blasting be placed in concentration be 15-17% hydrochloric acid in soak 4-5min, after cleaned with clear water, Concentration is placed in again to soak 15-18min in 1-2% phosphate solutions, is finally cleaned with clear water；
    (vii) electroplate：In spring surface by electrogalvanizing, zinc coating thickness is 20-30 μm；
    (viii) the method coating refractory coating in Zinc Deposit by atomizing spraying, coating spraying thickness 0.1-0.4mm；
    The refractory coating its raw material composition includes by weight：Magnesia：16~19 parts；Zinc oxide：11~13 parts；Boric acid Zinc：2~5 parts；Coupling agent：3~6 parts；Carbon black：1~4 part；Clay：12~15 parts；Diatomite：16~18 parts；The coupling agent The methylvinyl organopolysiloxane for being 0.12~0.14% for vinyl molar fraction；
    (ix) spray：Using Ultrasonic Arc Sprayed in the surface spraying pure aluminum coating of refractory coating, obtained high-strength spring, fine aluminium Coating spraying thickness is 40 ± 20 μm.
CN201711359613.4A 2017-12-17 2017-12-17 A kind of high-strength spring and its processing technology Pending CN108004480A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109023140A (en) * 2018-08-06 2018-12-18 镇江市南方工矿器材有限公司 A kind of sealed explosion proof switch
CN114108041A (en) * 2021-12-20 2022-03-01 太仓市惠得利弹簧有限公司 Spring surface oxidation resistance treatment process

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105483541A (en) * 2015-12-09 2016-04-13 苏州市吴中区胥口丰收机械配件厂 Corrosion-resistant spring and processing process thereof
CN106756545A (en) * 2016-12-12 2017-05-31 苏州富艾姆工业设备有限公司 A kind of processing technology of high-strength durable cylindrical compression spring

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105483541A (en) * 2015-12-09 2016-04-13 苏州市吴中区胥口丰收机械配件厂 Corrosion-resistant spring and processing process thereof
CN106756545A (en) * 2016-12-12 2017-05-31 苏州富艾姆工业设备有限公司 A kind of processing technology of high-strength durable cylindrical compression spring

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109023140A (en) * 2018-08-06 2018-12-18 镇江市南方工矿器材有限公司 A kind of sealed explosion proof switch
CN114108041A (en) * 2021-12-20 2022-03-01 太仓市惠得利弹簧有限公司 Spring surface oxidation resistance treatment process

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