CN104831184A - Engine cylinder valve group - Google Patents

Engine cylinder valve group Download PDF

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Publication number
CN104831184A
CN104831184A CN201510265819.5A CN201510265819A CN104831184A CN 104831184 A CN104831184 A CN 104831184A CN 201510265819 A CN201510265819 A CN 201510265819A CN 104831184 A CN104831184 A CN 104831184A
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China
Prior art keywords
spring holder
valve spring
insulation
surplus
valve
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CN201510265819.5A
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CN104831184B (en
Inventor
王华美
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Probest New Energy Power Technology Co., Ltd.
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王华美
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Priority to CN201610376837.5A priority Critical patent/CN105925885B/en
Priority to CN201610360688.3A priority patent/CN106011617B/en
Priority to CN201510265819.5A priority patent/CN104831184B/en
Publication of CN104831184A publication Critical patent/CN104831184A/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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • 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
    • C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/04—Alloys based on tungsten or molybdenum
    • 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
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
    • 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
    • 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/28—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in one step
    • C23C8/30—Carbo-nitriding
    • C23C8/32—Carbo-nitriding of ferrous surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
    • F01L3/04—Coated valve members or valve-seats

Abstract

The invention relates to an engine cylinder valve group. The engine cylinder valve group comprises an air inlet valve, an upper air valve spring seat ring and a lower air valve spring seat ring, wherein the upper air valve spring seat ring and the lower air valve spring seat ring are mounted on the air inlet valve. By virtue of an iron-base alloy material, the strength requirements of a main body material of an air valve of the engine can be adequately met; by carrying out carbonitriding thermal treatment on the air valve of the engine, the hardness and the strength of the air inlet valve can be improved, and corrosion points are avoided.

Description

A kind of valve for engine group
Technical field
The present invention relates to a kind of valve for engine group, belongs to automobile engine accessory technical field.
Background technology
The valve actuating mechanism of motor car engine ensures engine in the course of the work, incoming mixture is made to enter cylinder by certain hour, and the waste gas after burning is got rid of the working mechanism of cylinder, valve assembly is then the control section of engine inlet and outlet, whether valve assembly work is normal, directly affects the dynamic property of engine.At present, valve assembly comprises the parts such as valve, locking plate, cotter seat, tappet, pad, valve spring, the to-and-fro movement of valve is by camshaft effect tappet or pad, tappet promotion valve realizes, existing valve and cotter seat adopt the larger impact resistance of weight poor usually, easily form the work-ing life that tiny crack affects valve group.
Summary of the invention
A kind of valve for engine group, comprises inlet valve and the upper valve spring holder be installed on inlet valve and lower valve spring holder,
Manufacturing described inlet valve method steps is:
Carry out melting according to the elementary composition of inlet valve material of main part, after cast, obtain blank, inlet valve material of main part is: C0.13-0.27%, Si3.4-4%, Mn0.8-0.95%, P≤0.035%, S≤0.035%, Ti1.2-1.9%, Cr 5-7%, W 3-4%, Ni2.8-3.24%, Co 1-1.2%, surplus is Fe and inevitable impurity;
Adopt electric upset forging to forge blank, final forging temperature is 900 DEG C, and forging deformation amount controls at 65%-85%, and jumping-up speed is 10mm/s;
Multistage quenching-and-tempering process is carried out: shrend after 1050-1080 DEG C of insulation 10s, 450-500 DEG C of tempering after forging; Then oil quenching after 980-1010 DEG C of insulation 10s, 430-440 DEG C of tempering; Oil quenching after last 950-970 DEG C of insulation 10s, 380-410 DEG C of tempering;
Carry out after thermal treatment workpiece machining,
Carry out carbonitriding thermal treatment to workpiece surface after machining, strong infiltrate journey: temperature 950-980 DEG C of scope, carbon potential and nitrogen gesture take level Four step, carbon potential 0.4-0.6%, nitrogen gesture 1.2-1.4%, insulation 3h, then raise carbon potential to 0.7-0.9%, reduce nitrogen gesture to 1.0-1.1%, insulation 2h, raise carbon potential again to 1.0-1.1%, reduce nitrogen gesture to 0.7-0.9%, insulation 2h, finally raise carbon potential to 1.2-1.6%, reduce nitrogen gesture to 0.4-0.5%, insulation 2.5h; Spread after oozing by force, diffusion process: control furnace temperature and be down to 900-920 DEG C, insulation 3h, is cooled to 820-850 DEG C, insulation 4h, and diffusion process carbon-potential control is between 1.2 ~ 1.3%, and nitrogen potential control is between 1.0 ~ 1.1%; Air cooling is to room temperature; Quench after diffusion, quenching process: carry out oil quenching at 840 DEG C, Oil-temperature control is at 65 DEG C; Cleaning process: remove component surface oil stain, rinse liquid temperature controls at 40 DEG C; Tempering: carry out low-temperaturetempering, controls furnace temperature 180 DEG C, time 150-200 minute.
To the processing of workpiece conical surface grinding,
Carry out conical surface built-up welding to workpiece after conical surface grinding processing, conical surface bead-welding technology is: 150-200 DEG C of preheating, untransferable arc voltage 20V, untransferable arc electric current 50A; The distance 10-12mm of nozzle and workpiece surface, has welded rear Slow cooling; Weld overlay materials is: Co 38.5-40%, Ni 0.68-0.95%, B 0.1-0.25%, Ta 0.2-0.6%, Sn 1-3%, Gd 0.12-0.26%, C 0.05-0.13%, and surplus is W;
Workpiece surface is polished
To workpiece surface coated with tungsten carbide coating after workpiece surface polishing, coat-thickness is about 10-15 micron; Afterwards at the outer covering aluminum oxide coating of tungsten carbide coating, coat-thickness is about 5-10 micron, obtains inlet valve.
Upper valve spring holder and lower valve spring holder chemical constitution are (weight percent): Mg:6-7 ﹪, Zn:3-4 ﹪, Sn:1-2 ﹪, Ni:0.8-0.9 ﹪, Ti:0.6-0.7 ﹪, Fe:0.3-0.4 ﹪, Cr:0.1-0.2 ﹪, V:0.1-0.2 ﹪, Si:0.08-0.09 ﹪, Al:0.05-0.06 ﹪, La:0.02-0.03 ﹪, Ce:0.01-0.02 ﹪, surplus is Cu and inevitable impurity;
The preparation method of upper valve spring holder and lower valve spring holder: comprise the following steps: prepare raw material according to above-mentioned element ratio, raw material melting, respectively upper valve spring holder and lower valve spring holder are poured into a mould, after the demoulding, the strand of the upper valve spring holder obtained and lower valve spring holder is heat-treated: first heated by strand, be warming up to 600 DEG C, temperature rise rate 200 DEG C/h, be incubated 1 hour, after be cooled to 400 DEG C, rate of temperature fall 100 DEG C/h, after be again cooled to 300 DEG C, rate of temperature fall 25 DEG C/h, be incubated 2 hours, after be again cooled to 200 DEG C, rate of temperature fall 40 DEG C/h, be incubated 4 hours, rear air cooling is to room temperature,
Afterwards to upper valve spring holder and lower valve spring holder casting billet surface coated with titanium nitride coating, coat-thickness 10-15 micron, obtains final upper valve spring holder and lower valve spring holder.
Described a kind of valve for engine group, inlet valve material of main part is: C 0.13%, Si 3.4%, Mn 0.8%, P≤0.035%, S≤0.035%, Ti 1.2%, Cr 5 %, W 3 %, Ni 2.8%, Co 1%, and surplus is Fe and inevitable impurity.
Described a kind of valve for engine group, inlet valve material of main part is: C 0.27%, Si 4%, Mn 0.95%, P≤0.035%, S≤0.035%, Ti 1.9%, Cr 7%, W 4%, Ni 3.24%, Co 1.2%, and surplus is Fe and inevitable impurity.
Described a kind of valve for engine group, inlet valve material of main part is: C 0.2%, Si 3.7%, Mn 0.9%, P≤0.035%, S≤0.035%, Ti 1.5%, Cr 6%, W 3.5%, Ni 3%, Co 1.1%, and surplus is Fe and inevitable impurity.
Described a kind of valve for engine group, weld overlay materials is: Co 38.5%, Ni 0.68%, B 0.1%, Ta 0.2%, Sn 1%, Gd 0.12%, C 0.05%, surplus is W.
Described a kind of valve for engine group, weld overlay materials is: Co 40%, Ni 0.95%, B 0.25%, Ta 0.6%, Sn 3%, Gd 0.26%, C 0.13%, surplus is W.
Described a kind of valve for engine group, weld overlay materials is: Co 39%, Ni 0.8%, B 0.18%, Ta 0.4%, Sn 2%, Gd 0.2%, C 0.1%, surplus is W.
Described a kind of valve for engine group, upper valve spring holder and lower valve spring holder chemical constitution are (weight percent): Mg:6 ﹪, Zn:3 ﹪, Sn:1 ﹪, Ni:0.8 ﹪, Ti:0.6 ﹪, Fe:0.3 ﹪, Cr:0.1 ﹪, V:0.1 ﹪, Si:0.08 ﹪, Al:0.05 ﹪, La:0.02 ﹪, Ce:0.01 ﹪, surplus is Cu and inevitable impurity.
Described a kind of valve for engine group, upper valve spring holder and lower valve spring holder chemical constitution are (weight percent): Mg:7 ﹪, Zn:4 ﹪, Sn:2 ﹪, Ni:0.9 ﹪, Ti:0.7 ﹪, Fe:0.4 ﹪, Cr:0.2 ﹪, V:0.2 ﹪, Si:0.09 ﹪, Al:0.06 ﹪, La:0.03 ﹪, Ce:0.02 ﹪, surplus is Cu and inevitable impurity.
Described a kind of valve for engine group, upper valve spring holder and lower valve spring holder chemical constitution are (weight percent): Mg:6.5 ﹪, Zn:3.5 ﹪, Sn:1.5 ﹪, Ni:0.85 ﹪, Ti:0.65 ﹪, Fe:0.35 ﹪, Cr:0.15 ﹪, V:0.15 ﹪, Si:0.085 ﹪, Al:0.055 ﹪, La:0.025 ﹪, Ce:0.015 ﹪, surplus is Cu and inevitable impurity.
Foregoing invention content is relative to the beneficial effect of prior art: 1) ferrous alloy material of the present invention fully can meet the requirement of strength of engine valve material of main part; 2) hardness and the intensity that carbonitriding thermal treatment improves inlet valve is carried out to engine valve, avoid occurring hot spot; 3) make the engine valve conical surface reach higher wear resistance and shock-resistant by built-up welding process, corresponding fatigue property is also improved; 4) by engine valve applying coating, anticorrosion, high temperature resistant, the wear resisting property of material is improved.5) valve spring holder carries out the effect that applying coating coating increases its surface abrasion resistance and hardness.
Embodiment
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now describe the specific embodiment of the present invention in detail.
Embodiment 1
A kind of valve for engine group, comprises inlet valve and the upper valve spring holder be installed on inlet valve and lower valve spring holder,
Manufacturing described inlet valve method steps is:
Carry out melting according to the elementary composition of inlet valve material of main part, after cast, obtain blank, inlet valve material of main part is: C0.13%, Si3.4%, Mn0.8%, P≤0.035%, S≤0.035%, Ti1.2%, Cr 5%, W 3%, Ni2.8%, Co 1%, surplus is Fe and inevitable impurity;
Adopt electric upset forging to forge blank, final forging temperature is 900 DEG C, and forging deformation amount controls at 65%-85%, and jumping-up speed is 10mm/s;
Multistage quenching-and-tempering process is carried out: shrend after 1050 DEG C of insulation 10s, 450 DEG C of tempering after forging; Then oil quenching after 980 DEG C of insulation 10s, 430 DEG C of tempering; Oil quenching after last 950 DEG C of insulation 10s, 380 DEG C of tempering;
Carry out after thermal treatment workpiece machining,
Carry out carbonitriding thermal treatment to workpiece surface after machining, strong infiltrate journey: temperature 950-980 DEG C of scope, carbon potential and nitrogen gesture take level Four step, carbon potential 0.4-0.6%, nitrogen gesture 1.2-1.4%, insulation 3h, then raise carbon potential to 0.7-0.9%, reduce nitrogen gesture to 1.0-1.1%, insulation 2h, raise carbon potential again to 1.0-1.1%, reduce nitrogen gesture to 0.7-0.9%, insulation 2h, finally raise carbon potential to 1.2-1.6%, reduce nitrogen gesture to 0.4-0.5%, insulation 2.5h; Spread after oozing by force, diffusion process: control furnace temperature and be down to 900-920 DEG C, insulation 3h, is cooled to 820-850 DEG C, insulation 4h, and diffusion process carbon-potential control is between 1.2 ~ 1.3%, and nitrogen potential control is between 1.0 ~ 1.1%; Air cooling is to room temperature; Quench after diffusion, quenching process: carry out oil quenching at 840 DEG C, Oil-temperature control is at 65 DEG C; Cleaning process: remove component surface oil stain, rinse liquid temperature controls at 40 DEG C; Tempering: carry out low-temperaturetempering, controls furnace temperature 180 DEG C, time 150-200 minute.
To the processing of workpiece conical surface grinding,
Carry out conical surface built-up welding to workpiece after conical surface grinding processing, conical surface bead-welding technology is: 150-200 DEG C of preheating, untransferable arc voltage 20V, untransferable arc electric current 50A; The distance 10-12mm of nozzle and workpiece surface, has welded rear Slow cooling; Weld overlay materials is: Co 38.5%, Ni 0.68%, B 0.1%, Ta 0.2%, Sn 1%, Gd 0.12%, C 0.05%, and surplus is W;
Workpiece surface is polished
To workpiece surface coated with tungsten carbide coating after workpiece surface polishing, coat-thickness about 10 microns; Afterwards at the outer covering aluminum oxide coating of tungsten carbide coating, coat-thickness about 5 microns, obtains inlet valve.
Upper valve spring holder and lower valve spring holder chemical constitution are (weight percent): Mg:6 ﹪, Zn:3 ﹪, Sn:1 ﹪, Ni:0.8 ﹪, Ti:0.6 ﹪, Fe:0.3 ﹪, Cr:0.1 ﹪, V:0.1 ﹪, Si:0.08 ﹪, Al:0.05 ﹪, La:0.02 ﹪, Ce:0.01 ﹪, surplus is Cu and inevitable impurity;
The preparation method of upper valve spring holder and lower valve spring holder: comprise the following steps: prepare raw material according to above-mentioned element ratio, raw material melting, respectively upper valve spring holder and lower valve spring holder are poured into a mould, after the demoulding, the strand of the upper valve spring holder obtained and lower valve spring holder is heat-treated: first heated by strand, be warming up to 600 DEG C, temperature rise rate 200 DEG C/h, be incubated 1 hour, after be cooled to 400 DEG C, rate of temperature fall 100 DEG C/h, after be again cooled to 300 DEG C, rate of temperature fall 25 DEG C/h, be incubated 2 hours, after be again cooled to 200 DEG C, rate of temperature fall 40 DEG C/h, be incubated 4 hours, rear air cooling is to room temperature,
Afterwards to upper valve spring holder and lower valve spring holder casting billet surface coated with titanium nitride coating, coat-thickness 10 microns, obtains final upper valve spring holder and lower valve spring holder.
Embodiment 2
A kind of valve for engine group, comprises inlet valve and the upper valve spring holder be installed on inlet valve and lower valve spring holder,
Manufacturing described inlet valve method steps is:
Carry out melting according to the elementary composition of inlet valve material of main part, after cast, obtain blank, inlet valve material of main part is: C 0.27%, Si 4%, Mn 0.95%, P≤0.035%, S≤0.035%, Ti 1.9%, Cr 7%, W 4%, Ni 3.24%, Co 1.2%, surplus is Fe and inevitable impurity;
Adopt electric upset forging to forge blank, final forging temperature is 900 DEG C, and forging deformation amount controls at 65%-85%, and jumping-up speed is 10mm/s;
Multistage quenching-and-tempering process is carried out: shrend after 1080 DEG C of insulation 10s, 500 DEG C of tempering after forging; Then oil quenching after 1010 DEG C of insulation 10s, 440 DEG C of tempering; Oil quenching after last 970 DEG C of insulation 10s, 410 DEG C of tempering;
Carry out after thermal treatment workpiece machining,
Carry out carbonitriding thermal treatment to workpiece surface after machining, strong infiltrate journey: temperature 950-980 DEG C of scope, carbon potential and nitrogen gesture take level Four step, carbon potential 0.4-0.6%, nitrogen gesture 1.2-1.4%, insulation 3h, then raise carbon potential to 0.7-0.9%, reduce nitrogen gesture to 1.0-1.1%, insulation 2h, raise carbon potential again to 1.0-1.1%, reduce nitrogen gesture to 0.7-0.9%, insulation 2h, finally raise carbon potential to 1.2-1.6%, reduce nitrogen gesture to 0.4-0.5%, insulation 2.5h; Spread after oozing by force, diffusion process: control furnace temperature and be down to 900-920 DEG C, insulation 3h, is cooled to 820-850 DEG C, insulation 4h, and diffusion process carbon-potential control is between 1.2 ~ 1.3%, and nitrogen potential control is between 1.0 ~ 1.1%; Air cooling is to room temperature; Quench after diffusion, quenching process: carry out oil quenching at 840 DEG C, Oil-temperature control is at 65 DEG C; Cleaning process: remove component surface oil stain, rinse liquid temperature controls at 40 DEG C; Tempering: carry out low-temperaturetempering, controls furnace temperature 180 DEG C, time 150-200 minute.
To the processing of workpiece conical surface grinding,
Carry out conical surface built-up welding to workpiece after conical surface grinding processing, conical surface bead-welding technology is: 150-200 DEG C of preheating, untransferable arc voltage 20V, untransferable arc electric current 50A; The distance 10-12mm of nozzle and workpiece surface, has welded rear Slow cooling; Weld overlay materials is: Co 40%, Ni 0.95%, B 0.25%, Ta 0.6%, Sn 3%, Gd 0.26%, C 0.13%, and surplus is W;
Workpiece surface is polished
To workpiece surface coated with tungsten carbide coating after workpiece surface polishing, coat-thickness is about 10-15 micron; Afterwards at the outer covering aluminum oxide coating of tungsten carbide coating, coat-thickness is about 5-10 micron, obtains inlet valve.
Upper valve spring holder and lower valve spring holder chemical constitution are (weight percent): Mg:7 ﹪, Zn:4 ﹪, Sn:2 ﹪, Ni:0.9 ﹪, Ti:0.7 ﹪, Fe:0.4 ﹪, Cr:0.2 ﹪, V:0.2 ﹪, Si:0.09 ﹪, Al:0.06 ﹪, La:0.03 ﹪, Ce:0.02 ﹪, surplus is Cu and inevitable impurity;
The preparation method of upper valve spring holder and lower valve spring holder: comprise the following steps: prepare raw material according to above-mentioned element ratio, raw material melting, respectively upper valve spring holder and lower valve spring holder are poured into a mould, after the demoulding, the strand of the upper valve spring holder obtained and lower valve spring holder is heat-treated: first heated by strand, be warming up to 600 DEG C, temperature rise rate 200 DEG C/h, be incubated 1 hour, after be cooled to 400 DEG C, rate of temperature fall 100 DEG C/h, after be again cooled to 300 DEG C, rate of temperature fall 25 DEG C/h, be incubated 2 hours, after be again cooled to 200 DEG C, rate of temperature fall 40 DEG C/h, be incubated 4 hours, rear air cooling is to room temperature,
Afterwards to upper valve spring holder and lower valve spring holder casting billet surface coated with titanium nitride coating, coat-thickness 15 microns, obtains final upper valve spring holder and lower valve spring holder.
Embodiment 3
A kind of valve for engine group, comprises inlet valve and the upper valve spring holder be installed on inlet valve and lower valve spring holder,
Manufacturing described inlet valve method steps is:
Carry out melting according to the elementary composition of inlet valve material of main part, after cast, obtain blank, inlet valve material of main part is: C 0.2%, Si 3.7%, Mn0.9%, P≤0.035%, S≤0.035%, Ti1.5%, Cr 6%, W 3.5%, Ni 3%, Co 1.1%, surplus is Fe and inevitable impurity;
Adopt electric upset forging to forge blank, final forging temperature is 900 DEG C, and forging deformation amount controls at 65%-85%, and jumping-up speed is 10mm/s;
Multistage quenching-and-tempering process is carried out: shrend after 1070 DEG C of insulation 10s, 470 DEG C of tempering after forging; Then oil quenching after 990 DEG C of insulation 10s, 435 DEG C of tempering; Oil quenching after last 960 DEG C of insulation 10s, 390 DEG C of tempering;
Carry out after thermal treatment workpiece machining,
Carry out carbonitriding thermal treatment to workpiece surface after machining, strong infiltrate journey: temperature 950-980 DEG C of scope, carbon potential and nitrogen gesture take level Four step, carbon potential 0.4-0.6%, nitrogen gesture 1.2-1.4%, insulation 3h, then raise carbon potential to 0.7-0.9%, reduce nitrogen gesture to 1.0-1.1%, insulation 2h, raise carbon potential again to 1.0-1.1%, reduce nitrogen gesture to 0.7-0.9%, insulation 2h, finally raise carbon potential to 1.2-1.6%, reduce nitrogen gesture to 0.4-0.5%, insulation 2.5h; Spread after oozing by force, diffusion process: control furnace temperature and be down to 900-920 DEG C, insulation 3h, is cooled to 820-850 DEG C, insulation 4h, and diffusion process carbon-potential control is between 1.2 ~ 1.3%, and nitrogen potential control is between 1.0 ~ 1.1%; Air cooling is to room temperature; Quench after diffusion, quenching process: carry out oil quenching at 840 DEG C, Oil-temperature control is at 65 DEG C; Cleaning process: remove component surface oil stain, rinse liquid temperature controls at 40 DEG C; Tempering: carry out low-temperaturetempering, controls furnace temperature 180 DEG C, time 150-200 minute.
To the processing of workpiece conical surface grinding,
Carry out conical surface built-up welding to workpiece after conical surface grinding processing, conical surface bead-welding technology is: 150-200 DEG C of preheating, untransferable arc voltage 20V, untransferable arc electric current 50A; The distance 10-12mm of nozzle and workpiece surface, has welded rear Slow cooling; Weld overlay materials is: Co 39%, Ni 0.8%, B 0.2%, Ta 0.4%, Sn 2%, Gd 0.2%, C 0.1%, and surplus is W;
Workpiece surface is polished
To workpiece surface coated with tungsten carbide coating after workpiece surface polishing, coat-thickness about 13 microns; Afterwards at the outer covering aluminum oxide coating of tungsten carbide coating, coat-thickness about 7 microns, obtains inlet valve.
Upper valve spring holder and lower valve spring holder chemical constitution are (weight percent): Mg:6.5 ﹪, Zn:3.5 ﹪, Sn:1.5 ﹪, Ni:0.85 ﹪, Ti:0.65 ﹪, Fe:0.35 ﹪, Cr:0.15 ﹪, V:0.15 ﹪, Si:0.085 ﹪, Al:0.055 ﹪, La:0.025 ﹪, Ce:0.015 ﹪, surplus is Cu and inevitable impurity;
The preparation method of upper valve spring holder and lower valve spring holder: comprise the following steps: prepare raw material according to above-mentioned element ratio, raw material melting, respectively upper valve spring holder and lower valve spring holder are poured into a mould, after the demoulding, the strand of the upper valve spring holder obtained and lower valve spring holder is heat-treated: first heated by strand, be warming up to 600 DEG C, temperature rise rate 200 DEG C/h, be incubated 1 hour, after be cooled to 400 DEG C, rate of temperature fall 100 DEG C/h, after be again cooled to 300 DEG C, rate of temperature fall 25 DEG C/h, be incubated 2 hours, after be again cooled to 200 DEG C, rate of temperature fall 40 DEG C/h, be incubated 4 hours, rear air cooling is to room temperature,
Afterwards to upper valve spring holder and lower valve spring holder casting billet surface coated with titanium nitride coating, coat-thickness 13 microns, obtains final upper valve spring holder and lower valve spring holder.
Embodiment 4
A kind of valve for engine group, comprises inlet valve and the upper valve spring holder be installed on inlet valve and lower valve spring holder,
Manufacturing described inlet valve method steps is:
Carry out melting according to the elementary composition of inlet valve material of main part, after cast, obtain blank, inlet valve material of main part is: C0.15%, Si3.5%, Mn0.85%, P≤0.035%, S≤0.035%, Ti1.3%, Cr 5.3%, W 3.2%, Ni2.9%, Co 1.05%, surplus is Fe and inevitable impurity;
Adopt electric upset forging to forge blank, final forging temperature is 900 DEG C, and forging deformation amount controls at 65%-85%, and jumping-up speed is 10mm/s;
Multistage quenching-and-tempering process is carried out: shrend after 1053 DEG C of insulation 10s, 454 DEG C of tempering after forging; Then oil quenching after 982 DEG C of insulation 10s, 432 DEG C of tempering; Oil quenching after last 953 DEG C of insulation 10s, 384 DEG C of tempering;
Carry out after thermal treatment workpiece machining,
Carry out carbonitriding thermal treatment to workpiece surface after machining, strong infiltrate journey: temperature 950-980 DEG C of scope, carbon potential and nitrogen gesture take level Four step, carbon potential 0.4-0.6%, nitrogen gesture 1.2-1.4%, insulation 3h, then raise carbon potential to 0.7-0.9%, reduce nitrogen gesture to 1.0-1.1%, insulation 2h, raise carbon potential again to 1.0-1.1%, reduce nitrogen gesture to 0.7-0.9%, insulation 2h, finally raise carbon potential to 1.2-1.6%, reduce nitrogen gesture to 0.4-0.5%, insulation 2.5h; Spread after oozing by force, diffusion process: control furnace temperature and be down to 900-920 DEG C, insulation 3h, is cooled to 820-850 DEG C, insulation 4h, and diffusion process carbon-potential control is between 1.2 ~ 1.3%, and nitrogen potential control is between 1.0 ~ 1.1%; Air cooling is to room temperature; Quench after diffusion, quenching process: carry out oil quenching at 840 DEG C, Oil-temperature control is at 65 DEG C; Cleaning process: remove component surface oil stain, rinse liquid temperature controls at 40 DEG C; Tempering: carry out low-temperaturetempering, controls furnace temperature 180 DEG C, time 150-200 minute.
To the processing of workpiece conical surface grinding,
Carry out conical surface built-up welding to workpiece after conical surface grinding processing, conical surface bead-welding technology is: 150-200 DEG C of preheating, untransferable arc voltage 20V, untransferable arc electric current 50A; The distance 10-12mm of nozzle and workpiece surface, has welded rear Slow cooling; Weld overlay materials is: Co 38.8%, Ni 0.7%, B 0.15%, Ta 0.25%, Sn 1.5%, Gd 0.15%, C 0.07%, and surplus is W;
Workpiece surface is polished
To workpiece surface coated with tungsten carbide coating after workpiece surface polishing, coat-thickness about 11 microns; Afterwards at the outer covering aluminum oxide coating of tungsten carbide coating, coat-thickness about 6 microns, obtains inlet valve.
Upper valve spring holder and lower valve spring holder chemical constitution are (weight percent): Mg:6.3 ﹪, Zn:3.4 ﹪, Sn:1.3 ﹪, Ni:0.82 ﹪, Ti:0.61 ﹪, Fe:0.32 ﹪, Cr:0.13 ﹪, V:0.14 ﹪, Si:0.084 ﹪, Al:0.052 ﹪, La:0.021 ﹪, Ce:0.012 ﹪, surplus is Cu and inevitable impurity;
The preparation method of upper valve spring holder and lower valve spring holder: comprise the following steps: prepare raw material according to above-mentioned element ratio, raw material melting, respectively upper valve spring holder and lower valve spring holder are poured into a mould, after the demoulding, the strand of the upper valve spring holder obtained and lower valve spring holder is heat-treated: first heated by strand, be warming up to 600 DEG C, temperature rise rate 200 DEG C/h, be incubated 1 hour, after be cooled to 400 DEG C, rate of temperature fall 100 DEG C/h, after be again cooled to 300 DEG C, rate of temperature fall 25 DEG C/h, be incubated 2 hours, after be again cooled to 200 DEG C, rate of temperature fall 40 DEG C/h, be incubated 4 hours, rear air cooling is to room temperature,
Afterwards to upper valve spring holder and lower valve spring holder casting billet surface coated with titanium nitride coating, coat-thickness 11 microns, obtains final upper valve spring holder and lower valve spring holder.
Embodiment 5
A kind of valve for engine group, comprises inlet valve and the upper valve spring holder be installed on inlet valve and lower valve spring holder,
Manufacturing described inlet valve method steps is:
Carry out melting according to the elementary composition of inlet valve material of main part, after cast, obtain blank, inlet valve material of main part is: C0.25%, Si3.9%, Mn 0.93%, P≤0.035%, S≤0.035%, Ti 1.8%, Cr 6.8%, W 3.8%, Ni 3.1%, Co 1.15%, surplus is Fe and inevitable impurity;
Adopt electric upset forging to forge blank, final forging temperature is 900 DEG C, and forging deformation amount controls at 65%-85%, and jumping-up speed is 10mm/s;
Multistage quenching-and-tempering process is carried out: shrend after 1050-1080 DEG C of insulation 10s, 495 DEG C of tempering after forging; Then oil quenching after 1005 DEG C of insulation 10s, 437 DEG C of tempering; Oil quenching after last 968 DEG C of insulation 10s, 407 DEG C of tempering;
Carry out after thermal treatment workpiece machining,
Carry out carbonitriding thermal treatment to workpiece surface after machining, strong infiltrate journey: temperature 950-980 DEG C of scope, carbon potential and nitrogen gesture take level Four step, carbon potential 0.4-0.6%, nitrogen gesture 1.2-1.4%, insulation 3h, then raise carbon potential to 0.7-0.9%, reduce nitrogen gesture to 1.0-1.1%, insulation 2h, raise carbon potential again to 1.0-1.1%, reduce nitrogen gesture to 0.7-0.9%, insulation 2h, finally raise carbon potential to 1.2-1.6%, reduce nitrogen gesture to 0.4-0.5%, insulation 2.5h; Spread after oozing by force, diffusion process: control furnace temperature and be down to 900-920 DEG C, insulation 3h, is cooled to 820-850 DEG C, insulation 4h, and diffusion process carbon-potential control is between 1.2 ~ 1.3%, and nitrogen potential control is between 1.0 ~ 1.1%; Air cooling is to room temperature; Quench after diffusion, quenching process: carry out oil quenching at 840 DEG C, Oil-temperature control is at 65 DEG C; Cleaning process: remove component surface oil stain, rinse liquid temperature controls at 40 DEG C; Tempering: carry out low-temperaturetempering, controls furnace temperature 180 DEG C, time 150-200 minute.
To the processing of workpiece conical surface grinding,
Carry out conical surface built-up welding to workpiece after conical surface grinding processing, conical surface bead-welding technology is: 150-200 DEG C of preheating, untransferable arc voltage 20V, untransferable arc electric current 50A; The distance 10-12mm of nozzle and workpiece surface, has welded rear Slow cooling; Weld overlay materials is: Co 39.7%, Ni 0.93%, B 0.23%, Ta 0.57%, Sn 2.7%, Gd 0.23%, C 0.11%, and surplus is W;
Workpiece surface is polished
To workpiece surface coated with tungsten carbide coating after workpiece surface polishing, coat-thickness is about 10-15 micron; Afterwards at the outer covering aluminum oxide coating of tungsten carbide coating, coat-thickness is about 5-10 micron, obtains inlet valve.
Upper valve spring holder and lower valve spring holder chemical constitution are (weight percent): Mg:6.7 ﹪, Zn:3.9 ﹪, Sn:1.7 ﹪, Ni:0.86 ﹪, Ti:0.67 ﹪, Fe:0.37 ﹪, Cr:0.16 ﹪, V:0.19 ﹪, Si:0.088 ﹪, Al:0.057 ﹪, La:0.028 ﹪, Ce:0.018 ﹪, surplus is Cu and inevitable impurity;
The preparation method of upper valve spring holder and lower valve spring holder: comprise the following steps: prepare raw material according to above-mentioned element ratio, raw material melting, respectively upper valve spring holder and lower valve spring holder are poured into a mould, after the demoulding, the strand of the upper valve spring holder obtained and lower valve spring holder is heat-treated: first heated by strand, be warming up to 600 DEG C, temperature rise rate 200 DEG C/h, be incubated 1 hour, after be cooled to 400 DEG C, rate of temperature fall 100 DEG C/h, after be again cooled to 300 DEG C, rate of temperature fall 25 DEG C/h, be incubated 2 hours, after be again cooled to 200 DEG C, rate of temperature fall 40 DEG C/h, be incubated 4 hours, rear air cooling is to room temperature,
Afterwards to upper valve spring holder and lower valve spring holder casting billet surface coated with titanium nitride coating, coat-thickness 14 microns, obtains final upper valve spring holder and lower valve spring holder.

Claims (10)

1. a valve for engine group, comprises inlet valve and the upper valve spring holder be installed on inlet valve and lower valve spring holder,
Manufacturing described inlet valve method steps is:
Carry out melting according to the elementary composition of inlet valve material of main part, after cast, obtain blank, inlet valve material of main part is: C0.13-0.27%, Si3.4-4%, Mn0.8-0.95%, P≤0.035%, S≤0.035%, Ti1.2-1.9%, Cr 5-7%, W 3-4%, Ni2.8-3.24%, Co 1-1.2%, surplus is Fe and inevitable impurity;
Adopt electric upset forging to forge blank, final forging temperature is 900 DEG C, and forging deformation amount controls at 65%-85%, and jumping-up speed is 10mm/s;
Multistage quenching-and-tempering process is carried out: shrend after 1050-1080 DEG C of insulation 10s, 450-500 DEG C of tempering after forging; Then oil quenching after 980-1010 DEG C of insulation 10s, 430-440 DEG C of tempering; Oil quenching after last 950-970 DEG C of insulation 10s, 380-410 DEG C of tempering;
Carry out after thermal treatment workpiece machining,
Carry out carbonitriding thermal treatment to workpiece surface after machining, strong infiltrate journey: temperature 950-980 DEG C of scope, carbon potential and nitrogen gesture take level Four step, carbon potential 0.4-0.6%, nitrogen gesture 1.2-1.4%, insulation 3h, then raise carbon potential to 0.7-0.9%, reduce nitrogen gesture to 1.0-1.1%, insulation 2h, raise carbon potential again to 1.0-1.1%, reduce nitrogen gesture to 0.7-0.9%, insulation 2h, finally raise carbon potential to 1.2-1.6%, reduce nitrogen gesture to 0.4-0.5%, insulation 2.5h; Spread after oozing by force, diffusion process: control furnace temperature and be down to 900-920 DEG C, insulation 3h, is cooled to 820-850 DEG C, insulation 4h, and diffusion process carbon-potential control is between 1.2 ~ 1.3%, and nitrogen potential control is between 1.0 ~ 1.1%; Air cooling is to room temperature; Quench after diffusion, quenching process: carry out oil quenching at 840 DEG C, Oil-temperature control is at 65 DEG C; Cleaning process: remove component surface oil stain, rinse liquid temperature controls at 40 DEG C; Tempering: carry out low-temperaturetempering, controls furnace temperature 180 DEG C, time 150-200 minute,
To the processing of workpiece conical surface grinding,
Carry out conical surface built-up welding to workpiece after conical surface grinding processing, conical surface bead-welding technology is: 150-200 DEG C of preheating, untransferable arc voltage 20V, untransferable arc electric current 50A; The distance 10-12mm of nozzle and workpiece surface, has welded rear Slow cooling; Weld overlay materials is: Co 38.5-40%, Ni 0.68-0.95%, B 0.1-0.25%, Ta 0.2-0.6%, Sn 1-3%, Gd 0.12-0.26%, C 0.05-0.13%, and surplus is W;
To workpiece surface polishing,
To workpiece surface coated with tungsten carbide coating after workpiece surface polishing, coat-thickness is about 10-15 micron; Afterwards at the outer covering aluminum oxide coating of tungsten carbide coating, coat-thickness is about 5-10 micron, obtains inlet valve,
Upper valve spring holder and lower valve spring holder chemical constitution are (weight percent): Mg:6-7 ﹪, Zn:3-4 ﹪, Sn:1-2 ﹪, Ni:0.8-0.9 ﹪, Ti:0.6-0.7 ﹪, Fe:0.3-0.4 ﹪, Cr:0.1-0.2 ﹪, V:0.1-0.2 ﹪, Si:0.08-0.09 ﹪, Al:0.05-0.06 ﹪, La:0.02-0.03 ﹪, Ce:0.01-0.02 ﹪, surplus is Cu and inevitable impurity;
The preparation method of upper valve spring holder and lower valve spring holder: comprise the following steps: prepare raw material according to above-mentioned element ratio, raw material melting, respectively upper valve spring holder and lower valve spring holder are poured into a mould, after the demoulding, the strand of the upper valve spring holder obtained and lower valve spring holder is heat-treated: first heated by strand, be warming up to 600 DEG C, temperature rise rate 200 DEG C/h, be incubated 1 hour, after be cooled to 400 DEG C, rate of temperature fall 100 DEG C/h, after be again cooled to 300 DEG C, rate of temperature fall 25 DEG C/h, be incubated 2 hours, after be again cooled to 200 DEG C, rate of temperature fall 40 DEG C/h, be incubated 4 hours, rear air cooling is to room temperature,
Afterwards to upper valve spring holder and lower valve spring holder casting billet surface coated with titanium nitride coating, coat-thickness 10-15 micron, obtains final upper valve spring holder and lower valve spring holder.
2. a kind of valve for engine group as claimed in claim 1, inlet valve material of main part is: C 0.13%, Si 3.4%, Mn 0.8%, P≤0.035%, S≤0.035%, Ti 1.2%, Cr 5 %, W 3 %, Ni 2.8%, Co 1%, surplus is Fe and inevitable impurity.
3. a kind of valve for engine group as claimed in claim 1, inlet valve material of main part is: C 0.27%, Si 4%, Mn 0.95%, P≤0.035%, S≤0.035%, Ti 1.9%, Cr 7%, W 4%, Ni 3.24%, Co 1.2%, surplus is Fe and inevitable impurity.
4. a kind of valve for engine group as claimed in claim 1, inlet valve material of main part is: C 0.2%, Si 3.7%, Mn 0.9%, P≤0.035%, S≤0.035%, Ti 1.5%, Cr 6%, W 3.5%, Ni 3%, Co 1.1%, surplus is Fe and inevitable impurity.
5. a kind of valve for engine group as claimed in claim 1, weld overlay materials is: Co 38.5%, Ni 0.68%, B 0.1%, Ta 0.2%, Sn 1%, Gd 0.12%, C 0.05%, surplus is W.
6. a kind of valve for engine group as claimed in claim 1, weld overlay materials is: Co 40%, Ni 0.95%, B 0.25%, Ta 0.6%, Sn 3%, Gd 0.26%, C 0.13%, surplus is W.
7. a kind of valve for engine group as claimed in claim 1, weld overlay materials is: Co 39%, Ni 0.8%, B 0.18%, Ta 0.4%, Sn 2%, Gd 0.2%, C 0.1%, surplus is W.
8. a kind of valve for engine group as claimed in claim 1, upper valve spring holder and lower valve spring holder chemical constitution are (weight percent): Mg:6 ﹪, Zn:3 ﹪, Sn:1 ﹪, Ni:0.8 ﹪, Ti:0.6 ﹪, Fe:0.3 ﹪, Cr:0.1 ﹪, V:0.1 ﹪, Si:0.08 ﹪, Al:0.05 ﹪, La:0.02 ﹪, Ce:0.01 ﹪, surplus is Cu and inevitable impurity.
9. a kind of valve for engine group as claimed in claim 1, upper valve spring holder and lower valve spring holder chemical constitution are (weight percent): Mg:7 ﹪, Zn:4 ﹪, Sn:2 ﹪, Ni:0.9 ﹪, Ti:0.7 ﹪, Fe:0.4 ﹪, Cr:0.2 ﹪, V:0.2 ﹪, Si:0.09 ﹪, Al:0.06 ﹪, La:0.03 ﹪, Ce:0.02 ﹪, surplus is Cu and inevitable impurity.
10. a kind of valve for engine group as described in claim 1-9, upper valve spring holder and lower valve spring holder chemical constitution are (weight percent): Mg:6.5 ﹪, Zn:3.5 ﹪, Sn:1.5 ﹪, Ni:0.85 ﹪, Ti:0.65 ﹪, Fe:0.35 ﹪, Cr:0.15 ﹪, V:0.15 ﹪, Si:0.085 ﹪, Al:0.055 ﹪, La:0.025 ﹪, Ce:0.015 ﹪, surplus is Cu and inevitable impurity.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105369189A (en) * 2015-11-30 2016-03-02 太仓久信精密模具股份有限公司 Nitriding process for H13 die steel
CN107674943A (en) * 2017-11-22 2018-02-09 安徽恒利增材制造科技有限公司 A kind of Technology for Heating Processing of iron-base superalloy
CN107866647A (en) * 2016-09-26 2018-04-03 宝钢特钢有限公司 A kind of Fe Ni invar alloy welding wire and its manufacture method
CN112442626A (en) * 2019-09-03 2021-03-05 建德市亚力达工具有限公司 Preparation process of cutter of high-speed circular cutting machine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN109113828B (en) * 2018-08-09 2020-09-15 襄阳美标朗源动力实业有限公司 Engine cylinder valve group
CN110396621B (en) * 2019-08-27 2020-12-08 天长市华海电子科技有限公司 Intergranular corrosion resistant forging piece and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58141331A (en) * 1982-02-15 1983-08-22 Daido Steel Co Ltd Heat treatment of forging
JPS60128241A (en) * 1983-12-16 1985-07-09 Nisshin Steel Co Ltd High carbon steel strip as material of hardened steel strip for valve
JPH04193932A (en) * 1990-11-27 1992-07-14 Hitachi Metals Ltd Heat resistant alloy for engine valve
CN1453459A (en) * 2003-06-02 2003-11-05 北京特冶工贸有限责任公司 Reinforcing air intake valve for diesel engine of diesel locomotive and its manufacture
CN1453458A (en) * 2003-06-02 2003-11-05 北京特冶工贸有限责任公司 Double-metal exhaust gate for diesel engine of diesel locomotive and its manufacture
CN103627961A (en) * 2013-11-27 2014-03-12 江苏科技大学 Air inlet valve and manufacturing method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3528526A1 (en) * 1985-08-08 1987-02-19 Kloeckner Humboldt Deutz Ag Reciprocating-piston internal combustion engine
US20060285989A1 (en) * 2005-06-20 2006-12-21 Hoeganaes Corporation Corrosion resistant metallurgical powder compositions, methods, and compacted articles
CN201025150Y (en) * 2007-03-30 2008-02-20 上海柴油机股份有限公司 A gas cylinder cover with single air supply valve for diesel engine
CN101358548A (en) * 2008-08-20 2009-02-04 陈涛 Valve retainer for automobile engine
CN103627956B (en) * 2013-11-27 2015-07-15 江苏科技大学 Preparation method for wear-resistant intake valve
CN203783672U (en) * 2014-04-08 2014-08-20 宁波金鑫粉末冶金有限公司 Intake valve seat ring of automobile engine
CN204152573U (en) * 2014-09-04 2015-02-11 河北御捷车业有限公司 A kind of novel twin cylinder engine distribution device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58141331A (en) * 1982-02-15 1983-08-22 Daido Steel Co Ltd Heat treatment of forging
JPS60128241A (en) * 1983-12-16 1985-07-09 Nisshin Steel Co Ltd High carbon steel strip as material of hardened steel strip for valve
JPH04193932A (en) * 1990-11-27 1992-07-14 Hitachi Metals Ltd Heat resistant alloy for engine valve
CN1453459A (en) * 2003-06-02 2003-11-05 北京特冶工贸有限责任公司 Reinforcing air intake valve for diesel engine of diesel locomotive and its manufacture
CN1453458A (en) * 2003-06-02 2003-11-05 北京特冶工贸有限责任公司 Double-metal exhaust gate for diesel engine of diesel locomotive and its manufacture
CN103627961A (en) * 2013-11-27 2014-03-12 江苏科技大学 Air inlet valve and manufacturing method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105369189A (en) * 2015-11-30 2016-03-02 太仓久信精密模具股份有限公司 Nitriding process for H13 die steel
CN107866647A (en) * 2016-09-26 2018-04-03 宝钢特钢有限公司 A kind of Fe Ni invar alloy welding wire and its manufacture method
CN107674943A (en) * 2017-11-22 2018-02-09 安徽恒利增材制造科技有限公司 A kind of Technology for Heating Processing of iron-base superalloy
CN112442626A (en) * 2019-09-03 2021-03-05 建德市亚力达工具有限公司 Preparation process of cutter of high-speed circular cutting machine

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