CN107675085A - A kind of high-strength spring processing technology - Google Patents

A kind of high-strength spring processing technology Download PDF

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Publication number
CN107675085A
CN107675085A CN201710973365.6A CN201710973365A CN107675085A CN 107675085 A CN107675085 A CN 107675085A CN 201710973365 A CN201710973365 A CN 201710973365A CN 107675085 A CN107675085 A CN 107675085A
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China
Prior art keywords
spring
strength spring
strength
technology
processing technology
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Application number
CN201710973365.6A
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Chinese (zh)
Inventor
冷秋波
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Boulder Nantong Beijing Great Automotive Components Co Ltd
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Boulder Nantong Beijing Great Automotive Components Co Ltd
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Priority to CN201710973365.6A priority Critical patent/CN107675085A/en
Publication of CN107675085A publication Critical patent/CN107675085A/en
Withdrawn legal-status Critical Current

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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
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
    • 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
    • C22C38/02—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
    • C22C38/18—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
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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
    • 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
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Springs (AREA)

Abstract

The present invention relates to a kind of high-strength spring, composition is in the high-strength spring：C, Al, Mg, Y, Zr, Sn, Zn, Si, Mn, S, P, Cr, Ni, V, Mo, Ti, B, Pd, Pt, W, Ta, Nd, Ce, Lu, Fe.The high-strength spring elasticity of the present invention is big, corrosion resistance and good, service life length.By the processing technology of the high-strength spring of the present invention, Technology for Heating Processing particularly therein, spring silk table surface layer can be made to produce the residual stress opposite with working stress, part working stress, increase service life can be offset during stand under load.

Description

A kind of high-strength spring processing technology
Technical field
The invention discloses a kind of high-strength spring processing technology.
Background technology
Spring is a kind of widely used flexible member, and shape occurs under external force for part made of elastomeric material Become, restored to the original state again after removing external force, its profile 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, such as automobile dual-mass flywheel Spring 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 solution adopted for the present invention to solve the technical problems is：A kind of high-strength spring, it is characterised in that：It is described The mass percent of each composition is in high-strength spring：C：2.6%, Al：0.2%, Mg：1.15%, Y：1.18%, Zr： 0.27%, Sn：0.25%, Zn：0.12%, Si：0.23%, Mn：0.25%, S：0.14%, P：0.1%, Cr：0.23%, Ni： 1.25%, V：0.12%, Mo：0.5%, Ti：0.76%, B：0.1%, Pd：0.1%, Pt：0.11%, W：0.12%, Ta： 0.23%, Nd：1.2%, Ce：0.44%, Lu：0.71%, surplus Fe.
An object of the present invention also resides in the processing technology for providing high-strength spring of the present invention, including following step Suddenly：
(i) blanking：Gas cutting raw material determines length, reconditioning cut surface；
(ii) tagging：The two ends of spring wire are transitioned into square-section from circular section using the mode forged；
(iii) hot rolling：Spring wire after tagging is heated to 1000 DEG C, peace carries out heat according to predetermined height, external diameter and the number of turns Volume, soaking time are 100 minutes；
(iv) flaw detection is handled；
(v) swirling flows：Spring is depressed into requirement height, 15-30h is parked, then decontrols；
(vi) Shot Blasting：Spring is subjected at least 3 Shot Blastings；
(vii) it is heat-treated：Using the Technology for Heating Processing of quenching-heating-tempering；
(viii) electroplate：In spring surface by zinc plating, thickness of coating is 10-12 microns.
The beneficial effects of the invention are as follows：(1) high-strength spring of the invention elasticity is big, corrosion resistance and good, service life It is long；(2) by the processing technology of high-strength spring of the invention, Technology for Heating Processing particularly therein, it can control spring horizontal 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, during stand under load Part working stress can be offset, increases service life.
Embodiment
Specific embodiment：A kind of high-strength spring, it is characterised in that：The quality percentage of each composition in the high-strength spring Than for：C：2.6%, Al：0.2%, Mg：1.15%, Y：1.18%, Zr：0.27%, Sn：0.25%, Zn：0.12%, Si： 0.23%, Mn：0.25%, S：0.14%, P：0.1%, Cr：0.23%, Ni：1.25%, V：0.12%, Mo：0.5%, Ti： 0.76%, B：0.1%, Pd：0.1%, Pt：0.11%, W：0.12%, Ta：0.23%, Nd：1.2%, Ce：0.44%, Lu： 0.71%, surplus Fe.
An object of the present invention also resides in the processing technology for providing high-strength spring of the present invention, including following step Suddenly：
(i) blanking：Gas cutting raw material determines length, reconditioning cut surface；
(ii) tagging：The two ends of spring wire are transitioned into square-section from circular section using the mode forged；
(iii) hot rolling：Spring wire after tagging is heated to 1000 DEG C, peace carries out heat according to predetermined height, external diameter and the number of turns Volume, soaking time are 100 minutes；
(iv) flaw detection is handled；
(v) swirling flows：Spring is depressed into requirement height, 15-30h is parked, then decontrols；
(vi) Shot Blasting：Spring is subjected at least 3 Shot Blastings；
(vii) it is heat-treated：Using the Technology for Heating Processing of quenching-heating-tempering；
(viii) electroplate：In spring surface by zinc plating, thickness of coating is 10-12 microns.
The beneficial effects of the invention are as follows：(1) high-strength spring of the invention elasticity is big, corrosion resistance and good, service life It is long；(2) by the processing technology of high-strength spring of the invention, Technology for Heating Processing particularly therein, it can control spring horizontal 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, during stand under load Part working stress can be offset, increases service life.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or Among changing still in the protection domain of the invention.

Claims (2)

  1. A kind of 1. high-strength spring, it is characterised in that：The mass percent of each composition is in the high-strength spring：C：2.6%, Al：0.2%, Mg：1.15%, Y：1.18%, Zr：0.27%, Sn：0.25%, Zn：0.12%, Si：0.23%, Mn： 0.25%, S：0.14%, P：0.1%, Cr：0.23%, Ni：1.25%, V：0.12%, Mo：0.5%, Ti：0.76%, B： 0.1%, Pd：0.1%, Pt：0.11%, W：0.12%, Ta：0.23%, Nd：1.2%, Ce：0.44%, Lu：0.71%, surplus For Fe.
  2. 2. the processing technology of high-strength spring according to claim 1, it is characterised in that comprise the following steps：
    (i) blanking：Gas cutting raw material determines length, reconditioning cut surface；
    (ii) tagging：The two ends of spring wire are transitioned into square-section from circular section using the mode forged；
    (iii) hot rolling：Spring wire after tagging is heated to 1000 DEG C, peace carries out hot rolling according to predetermined height, external diameter and the number of turns, protects The warm time is 100 minutes；
    (iv) flaw detection is handled；
    (v) swirling flows：Spring is depressed into requirement height, 15-30h is parked, then decontrols；
    (vi) Shot Blasting：Spring is subjected at least 3 Shot Blastings；
    (vii) it is heat-treated：Using the Technology for Heating Processing of quenching-heating-tempering；
    (viii) electroplate：In spring surface by zinc plating, thickness of coating is 10-12 microns.
CN201710973365.6A 2017-10-18 2017-10-18 A kind of high-strength spring processing technology Withdrawn CN107675085A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710973365.6A CN107675085A (en) 2017-10-18 2017-10-18 A kind of high-strength spring processing technology

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Application Number Priority Date Filing Date Title
CN201710973365.6A CN107675085A (en) 2017-10-18 2017-10-18 A kind of high-strength spring processing technology

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CN107675085A true CN107675085A (en) 2018-02-09

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005139485A (en) * 2003-11-05 2005-06-02 Nippon Steel Corp Steel sheet to be hot-formed
CN102985577A (en) * 2010-07-14 2013-03-20 新日铁住金株式会社 Steel having excellent machinability for mechanical structure
CN103103454A (en) * 2011-11-15 2013-05-15 上海施耐德日盛机械(集团)有限公司 Screw alloy for double-screw air compressor and preparation method of screw alloy
CN105506471A (en) * 2015-12-09 2016-04-20 苏州市吴中区胥口丰收机械配件厂 High-strength spring and processing technology thereof
CN105745346A (en) * 2013-11-19 2016-07-06 新日铁住金株式会社 Rod steel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005139485A (en) * 2003-11-05 2005-06-02 Nippon Steel Corp Steel sheet to be hot-formed
CN102985577A (en) * 2010-07-14 2013-03-20 新日铁住金株式会社 Steel having excellent machinability for mechanical structure
CN103103454A (en) * 2011-11-15 2013-05-15 上海施耐德日盛机械(集团)有限公司 Screw alloy for double-screw air compressor and preparation method of screw alloy
CN105745346A (en) * 2013-11-19 2016-07-06 新日铁住金株式会社 Rod steel
CN105506471A (en) * 2015-12-09 2016-04-20 苏州市吴中区胥口丰收机械配件厂 High-strength spring and processing technology thereof

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Application publication date: 20180209

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