CN111763871A - Production process of spring production material - Google Patents

Production process of spring production material Download PDF

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Publication number
CN111763871A
CN111763871A CN202010789907.6A CN202010789907A CN111763871A CN 111763871 A CN111763871 A CN 111763871A CN 202010789907 A CN202010789907 A CN 202010789907A CN 111763871 A CN111763871 A CN 111763871A
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China
Prior art keywords
cooling
percent
temperature
spring production
per minute
Prior art date
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Withdrawn
Application number
CN202010789907.6A
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Chinese (zh)
Inventor
龙裕旭
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Changning City Fuhong Spring Co ltd
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Changning City Fuhong Spring Co ltd
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Priority to CN202010789907.6A priority Critical patent/CN111763871A/en
Publication of CN111763871A publication Critical patent/CN111763871A/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Withdrawn legal-status Critical Current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
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • 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
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • 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
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • C22C38/02—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
    • 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
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • C22C38/48—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
    • 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
    • F16F2224/00—Materials; Material properties
    • F16F2224/02—Materials; Material properties solids
    • F16F2224/0208—Alloys

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

Abstract

The invention discloses a production process of a spring production material, which comprises the steps of selecting raw materials, and then placing the raw materials into a smelting furnace for smelting; performing oil cooling, and then performing high-temperature heating after the oil cooling is finished to melt the oil again; then cooling and forming, and soaking by a vulcanizing agent in the cooling and forming process; then, rapidly raising the temperature to 1100-1150 ℃; then cooling, namely cooling at the speed of 100-150 ℃ per minute until the temperature reaches normal temperature; heating again, and heating at the speed of 20-25 ℃ per minute until the temperature reaches 400-450 ℃; and cooling the spring production material at the speed of 10-15 ℃ per minute until the temperature reaches normal temperature to obtain the spring production material.

Description

Production process of spring production material
Technical Field
The invention relates to the technical field of spring production materials, in particular to a production process of a spring production material.
Background
At present, most spring production materials have poor cracking resistance and deformation resistance, and springs made of the production materials have poor cracking resistance and deformation resistance and affect the service life of equipment, so that an improved technology is urgently needed to solve the problem in the prior art.
Disclosure of Invention
The invention aims to provide a production process of a spring production material, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a production process of a spring production material comprises the following steps:
the method comprises the following steps: selecting raw materials, and then placing the raw materials into a smelting furnace for smelting;
step two: performing oil cooling, and then performing high-temperature heating after the oil cooling is finished to melt the oil again;
step three: then cooling and forming, and soaking by a vulcanizing agent in the cooling and forming process;
step four: then, rapidly raising the temperature to 1100-1150 ℃;
step five: then cooling, namely cooling at the speed of 100-150 ℃ per minute until the temperature reaches normal temperature;
step six: heating again, and heating at the speed of 20-25 ℃ per minute until the temperature reaches 400-450 ℃;
step seven: and cooling at the speed of 10-15 ℃ per minute until the temperature reaches normal temperature to obtain the spring production material.
Preferably, in the first step, the raw materials comprise the following components in percentage by weight: 0.6 to 0.8 percent of C, 0.02 to 0.04 percent of Mn0.05 to 0.07 percent of Cr0.05 to 0.07 percent of Ni0.02 to 0.04 percent of Si, 0.05 to 0.1 percent of Cu0.5 to 0.8 percent of Al, 0.05 to 0.07 percent of Ti, 0.02 to 0.03 percent of Ti, 0.02 to 0.025 percent of Pd0.5 to 1.8 percent of Mo1.2 to 2.5 percent of Nb2, and the balance of Fe.
Preferably, in the first step, the raw materials comprise the following components in percentage by weight: 0.7% of C, 0.03% of Mn0.06% of Cr0.06%, 0.03% of Ni0.08% of Si, 0.7% of Cu0.06%, 0.06% of Al, 0.03% of Ti0.022%, 1.6% of Mo, 2.3% of Nb2, and the balance of Fe.
Preferably, the smelting furnace is a resistance smelting furnace.
Preferably, the temperature in the second step is heated to 1600 ℃.
Compared with the prior art, the invention has the beneficial effects that:
the spring production material prepared by the process has obviously improved crack resistance and deformation resistance compared with the existing spring production material, and has good high-temperature resistance.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: a production process of a spring production material comprises the following steps:
the method comprises the following steps: selecting raw materials, and then placing the raw materials into a resistance-type smelting furnace for smelting;
step two: performing oil cooling, and heating to 1600 ℃ at high temperature after the oil cooling is finished so as to melt the oil again;
step three: then cooling and forming, and soaking by a vulcanizing agent in the cooling and forming process;
step four: then, rapidly raising the temperature to 1100-1150 ℃;
step five: then cooling, namely cooling at the speed of 100-150 ℃ per minute until the temperature reaches normal temperature;
step six: heating again, and heating at the speed of 20-25 ℃ per minute until the temperature reaches 400-450 ℃;
step seven: and cooling at the speed of 10-15 ℃ per minute until the temperature reaches normal temperature to obtain the spring production material.
The raw material components and the percentage content ratio in the first step are as follows: 0.6 to 0.8 percent of C, 0.02 to 0.04 percent of Mn0.05 to 0.07 percent of Cr0.05 to 0.07 percent of Ni0.02 to 0.04 percent of Si, 0.05 to 0.1 percent of Cu0.5 to 0.8 percent of Al, 0.05 to 0.07 percent of Ti, 0.02 to 0.03 percent of Ti, 0.02 to 0.025 percent of Pd0.5 to 1.8 percent of Mo1.2 to 2.5 percent of Nb2, and the balance of Fe.
The first embodiment is as follows:
the production process of the spring production material comprises the following steps:
the method comprises the following steps: selecting raw materials, and then placing the raw materials into a resistance-type smelting furnace for smelting;
step two: performing oil cooling, and heating to 1600 ℃ at high temperature after the oil cooling is finished so as to melt the oil again;
step three: then cooling and forming, and soaking by a vulcanizing agent in the cooling and forming process;
step four: then the temperature was rapidly raised to 1100 ℃;
step five: then cooling, namely cooling the temperature at the speed of 100 ℃ per minute until the temperature reaches the normal temperature;
step six: heating again to raise the temperature at the speed of 20 ℃ per minute until the temperature reaches 400 ℃;
step seven: and (5) cooling, namely cooling at the speed of 10 ℃ per minute until the temperature reaches normal temperature to obtain the spring production material.
The raw material components and the percentage content ratio in the first step are as follows: 0.6% of C, 0.02% of Mn0.05%, 0.05% of Cr0.02%, 0.02% of Ni0.05%, 0.05% of Si0.05%, 0.5% of Cu0.05%, 0.02% of Al0.02%, 0.02% of Ti0, 1.5% of Mol, 2.2% of Nb2, and the balance of Fe.
Example two:
the production process of the spring production material comprises the following steps:
the method comprises the following steps: selecting raw materials, and then placing the raw materials into a resistance-type smelting furnace for smelting;
step two: performing oil cooling, and heating to 1600 ℃ at high temperature after the oil cooling is finished so as to melt the oil again;
step three: then cooling and forming, and soaking by a vulcanizing agent in the cooling and forming process;
step four: then the temperature is quickly raised to 1150 ℃;
step five: then cooling, namely cooling at the speed of 150 ℃ per minute until the temperature is normal;
step six: heating again to raise the temperature at a speed of 25 ℃ per minute until the temperature reaches 450 ℃;
step seven: and (5) cooling, namely cooling at the speed of 15 ℃ per minute until the temperature reaches normal temperature to obtain the spring production material.
The raw material components and the percentage content ratio in the first step are as follows: 0.8% of C, 0.04% of Mn0.04%, 0.07% of Cr0.04%, 0.1% of Ni0.1%, 0.8% of Cu0.07%, 0.07% of Al0.03%, 0.025% of Pd0.8%, 1.8% of Mol, 2.5% of Nb2.5% and the balance of Fe.
Example three:
the production process of the spring production material comprises the following steps:
the method comprises the following steps: selecting raw materials, and then placing the raw materials into a resistance-type smelting furnace for smelting;
step two: performing oil cooling, and heating to 1600 ℃ at high temperature after the oil cooling is finished so as to melt the oil again;
step three: then cooling and forming, and soaking by a vulcanizing agent in the cooling and forming process;
step four: then the temperature was rapidly raised to 1125 ℃;
step five: then cooling, namely cooling at the speed of 125 ℃ per minute until the temperature reaches normal temperature;
step six: heating again, and heating the temperature at the speed of 22 ℃ per minute until the temperature reaches 430 ℃;
step seven: and (5) cooling, namely cooling at the speed of 12 ℃ per minute until the temperature reaches normal temperature to obtain the spring production material.
The raw material components and the percentage content ratio in the first step are as follows: 0.7% of C, 0.03% of Mn0.06% of Cr0.06%, 0.03% of Ni0.08% of Si, 0.7% of Cu0.06%, 0.06% of Al, 0.03% of Ti0.022%, 1.6% of Mo, 2.3% of Nb2, and the balance of Fe.
Example four:
the production process of the spring production material comprises the following steps:
the method comprises the following steps: selecting raw materials, and then placing the raw materials into a resistance-type smelting furnace for smelting;
step two: performing oil cooling, and heating to 1600 ℃ at high temperature after the oil cooling is finished so as to melt the oil again;
step three: then cooling and forming, and soaking by a vulcanizing agent in the cooling and forming process;
step four: then the temperature is quickly raised to 1150 ℃;
step five: then cooling, namely cooling at the speed of 150 ℃ per minute until the temperature is normal;
step six: heating again to raise the temperature at a speed of 25 ℃ per minute until the temperature reaches 450 ℃;
step seven: and (5) cooling, namely cooling at the speed of 15 ℃ per minute until the temperature reaches normal temperature to obtain the spring production material.
The raw material components and the percentage content ratio in the first step are as follows: 0.6% of C, 0.02% of Mn0.05%, 0.05% of Cr0.02%, 0.02% of Ni0.05%, 0.05% of Si0.05%, 0.5% of Cu0.05%, 0.02% of Al0.02%, 0.02% of Ti0, 1.5% of Mol, 2.2% of Nb2, and the balance of Fe.
Example five:
the production process of the spring production material comprises the following steps:
the method comprises the following steps: selecting raw materials, and then placing the raw materials into a resistance-type smelting furnace for smelting;
step two: performing oil cooling, and heating to 1600 ℃ at high temperature after the oil cooling is finished so as to melt the oil again;
step three: then cooling and forming, and soaking by a vulcanizing agent in the cooling and forming process;
step four: then the temperature was rapidly raised to 1100 ℃;
step five: then cooling, namely cooling the temperature at the speed of 100 ℃ per minute until the temperature reaches the normal temperature;
step six: heating again to raise the temperature at the speed of 20 ℃ per minute until the temperature reaches 400 ℃;
step seven: and (5) cooling, namely cooling at the speed of 10 ℃ per minute until the temperature reaches normal temperature to obtain the spring production material.
The raw material components and the percentage content ratio in the first step are as follows: 0.8% of C, 0.04% of Mn0.04%, 0.07% of Cr0.04%, 0.1% of Ni0.1%, 0.8% of Cu0.07%, 0.07% of Al0.03%, 0.025% of Pd0.8%, 1.8% of Mol, 2.5% of Nb2.5% and the balance of Fe.
The spring production materials prepared in the first to fifth examples are subjected to crack resistance and deformation resistance tests, and the crack resistance and deformation resistance of the prepared spring production materials are obviously improved compared with those of the existing spring production materials. The spring produced by the spring production materials prepared in the first to fifth embodiments has greatly improved crack resistance and deformation resistance.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A production process of spring production materials is characterized in that: the method comprises the following steps:
the method comprises the following steps: selecting raw materials, and then placing the raw materials into a smelting furnace for smelting;
step two: performing oil cooling, and then performing high-temperature heating after the oil cooling is finished to melt the oil again;
step three: then cooling and forming, and soaking by a vulcanizing agent in the cooling and forming process;
step four: then, rapidly raising the temperature to 1100-1150 ℃;
step five: then cooling, namely cooling at the speed of 100-150 ℃ per minute until the temperature reaches normal temperature;
step six: heating again, and heating at the speed of 20-25 ℃ per minute until the temperature reaches 400-450 ℃;
step seven: and cooling at the speed of 10-15 ℃ per minute until the temperature reaches normal temperature to obtain the spring production material.
2. The process for producing a spring production material according to claim 1, wherein: the raw material components and the percentage content ratio in the step one are as follows: 0.6 to 0.8 percent of C, 0.02 to 0.04 percent of Mn0.05 to 0.07 percent of Cr0.05 to 0.07 percent of Ni0.02 to 0.04 percent of Si, 0.05 to 0.1 percent of Cu0.5 to 0.8 percent of Al, 0.05 to 0.07 percent of Ti, 0.02 to 0.03 percent of Ti, 0.02 to 0.025 percent of Pd0.5 to 1.8 percent of Mo1.2 to 2.5 percent of Nb2, and the balance of Fe.
3. A process for producing a spring production material according to claim 2, wherein: the raw material components and the percentage content ratio in the step one are as follows: 0.7% of C, 0.03% of Mn0.06% of Cr0.06%, 0.03% of Ni0.08% of Si, 0.7% of Cu0.06%, 0.06% of Al, 0.03% of Ti0.022%, 1.6% of Mo, 2.3% of Nb2, and the balance of Fe.
4. The process for producing a spring production material according to claim 1, wherein: the smelting furnace is a resistance-type smelting furnace.
5. The process for producing a spring production material according to claim 1, wherein: and heating the mixture to 1600 ℃ at high temperature in the second step.
CN202010789907.6A 2020-08-07 2020-08-07 Production process of spring production material Withdrawn CN111763871A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010789907.6A CN111763871A (en) 2020-08-07 2020-08-07 Production process of spring production material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010789907.6A CN111763871A (en) 2020-08-07 2020-08-07 Production process of spring production material

Publications (1)

Publication Number Publication Date
CN111763871A true CN111763871A (en) 2020-10-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010789907.6A Withdrawn CN111763871A (en) 2020-08-07 2020-08-07 Production process of spring production material

Country Status (1)

Country Link
CN (1) CN111763871A (en)

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