CN108149140A - A kind of production technology of mechanical arm casting of robot - Google Patents

A kind of production technology of mechanical arm casting of robot Download PDF

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Publication number
CN108149140A
CN108149140A CN201810032330.7A CN201810032330A CN108149140A CN 108149140 A CN108149140 A CN 108149140A CN 201810032330 A CN201810032330 A CN 201810032330A CN 108149140 A CN108149140 A CN 108149140A
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casting
mechanical arm
treatment
temperature
production technology
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韩年珍
程华
程东华
邱晨健
俞韶华
陈彬
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Anhui Promise Robot Technology Co Ltd
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Anhui Promise Robot Technology Co Ltd
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Priority to CN201810032330.7A priority Critical patent/CN108149140A/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
    • 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
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • 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
    • C22C38/04—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
    • C22C38/12—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
    • 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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/40—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates
    • C23C22/42—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates containing also phosphates
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/134—Plasma spraying
    • 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
    • C23C8/08—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 only one element being applied
    • C23C8/20—Carburising
    • C23C8/22—Carburising of ferrous surfaces
    • 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
    • C23C8/80—After-treatment

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  • Mechanical Engineering (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
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  • General Chemical & Material Sciences (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

The present invention provides a kind of production technologies of mechanical arm casting of robot, include the following steps：(1) it casts：It smelts and is cast into casting, ingredient contains C by weight percentage：0.22 0.35%, Si：1.6 1.9%, Mn：1.2 1.6%, Zr：0.3 0.7%, Ti：0.2 0.5%, Nb：0.1 0.3%, Re：0 0.05%, Ce：0 0.05%, surplus is Fe and inevitable impurity；(2) it is heat-treated：550 600 DEG C are heated to, is warming up to 1,020 1050 DEG C with the speed of 58 DEG C/min, heat preservation with being furnace-cooled to 750 780 DEG C, is kept the temperature, water cooling；510 540 DEG C are heated to, heat preservation is air-cooled；(3) Carburization Treatment；(4) phosphorating treatment；(5) spray-on coating：Face coat is made of following components in percentage by weight：B4C：50 60%, WC：20 30%, AlN：5 10%, SiO2：10 15%；Mechanical arm casting of robot surface obtained by the present invention has high hardness and excellent wearability, corrosion resistance, and center portion has excellent obdurability, effectively extends the service life of mechanical arm.

Description

A kind of production technology of mechanical arm casting of robot
Technical field
The present invention relates to machinery production technical fields, and in particular to a kind of production technology of mechanical arm casting of robot.
Background technology
Manipulator is a kind of certain holding functions that can imitate human hand and arm, to press fixed routine crawl, carry object Or the automatic pilot of operation instrument.Feature is that various expected operations can be completed by programming, on construction and performance The advantages of having people and robotics concurrently respectively.It is in life now, under the progress of Science and Technology Day crescent benefit, mechanical arm with The arm maximum difference for having the mankind is that flexibility ratio and resistance to dynamics, that is, the sharpest edges of manipulator：It is recursive to do Same action will not always feel tired under normal circumstances in machinery.The application of mechanical arm also will be more and more extensive, machinery Hand is a kind of high-tech automatic producing device that recent decades grow up, the energy to fulfil assignment in the accuracy and environment of operation Power.
Mechanical arm is the key components and parts of production in automobile industry robot, and mechanical arm needs are bearing certain weight High-precision displacement request is completed under the premise of power and bending load, to meet the operation stability of automobile industry high standard, because This mechanical arm needs are provided simultaneously with higher intensity and non-deformability.Mechanical arm category robot appearance member simultaneously, therefore It is required that the casting has good surface quality.
Invention content
The purpose of the present invention is to provide a kind of production technology of mechanical arm casting of robot, obtained robotics Arm cast(ing) surface has high hardness and excellent wearability, corrosion resistance, and center portion has excellent obdurability, has Effect extends the service life of mechanical arm.
In order to achieve the above object, the present invention is achieved by the following technical programs：
A kind of production technology of mechanical arm casting of robot, includes the following steps：
(1) it casts：It smelts and is cast into casting, ingredient contains C by weight percentage：0.22-0.35%, Si：1.6- 1.9%, Mn：1.2-1.6%, Zr：0.3-0.7%, Ti：0.2-0.5%, Nb：0.1-0.3%, Re：0-0.05%, Ce：0- 0.05%, surplus is Fe and inevitable impurity；
(2) it is heat-treated：Casting is heated to 550-600 DEG C, 1020-1050 is then warming up to the speed of 5-8 DEG C/min DEG C, 2.5-4h is kept the temperature, then cools to 750-780 DEG C with the furnace, keeps the temperature 1-2h, water cooling to room temperature；510-540 DEG C is again heated to, 3-5h is kept the temperature, is air-cooled to room temperature；
(3) Carburization Treatment：Using carbon potential 1-1.15% at 860-880 DEG C carburizing 1-1.5h, then again use carbon potential 1.2-1.3% carburizing 1.5-2.5h at 930-940 DEG C；Casting after Carburization Treatment is carried out in 60-90 DEG C of oil Quenching, 2-3h is tempered at 510-540 DEG C；
(4) phosphorating treatment：Casting Jing Guo Carburization Treatment is subjected to phosphorating treatment；It is rushed after phosphorating treatment with deionized water It washes, air-dries；
(5) spray-on coating：Using plasma gun in cast(ing) surface sprayed surface coating, the face coat is by following heavy The component for measuring percentage is formed：B4C：50-60%, WC：20-30%, AlN：5-10%, SiO2：10-15%.
Preferably, in the step (1), its ingredient of casting contains C by weight percentage：0.28%, Si：1.65%, Mn： 1.3%, Zr：0.5%, Ti：0.45%, Nb：0.2%, Re：0.02%, Ce：0.03%, surplus is Fe and inevitable impurity.
Preferably, in the step (2), casting is heated to 580 DEG C, is then warming up to 1030 with the speed of 6 DEG C/min DEG C, 3.5h is kept the temperature, then cools to 760 DEG C with the furnace, keeps the temperature 2h, water cooling to room temperature；530 DEG C are again heated to, 4h is kept the temperature, is air-cooled to Room temperature.
Preferably, in the step (3), using carbon potential 1.1% at 875 DEG C carburizing 1.5h, then again use carbon potential 1.25% at 930 DEG C carburizing 2h；Casting after Carburization Treatment is quenched in 80 DEG C of oil, at 530 DEG C It is tempered 3h.
Preferably, in the step (4), phosphorating treatment is specially：It is 55- that casting Jing Guo Carburization Treatment is immersed temperature 9-11min is handled in 65 DEG C of surface phosphorization treatment fluid, the surface phosphorization treatment fluid is raw materials used and mass percent is：Phosphorus Acid dihydride sodium 14-16%, potassium nitrate 3-7%, magnesium sulfate 2-3%, tartaric acid 0.5-1%, sulfosalicylic acid 0.2-0.5%, molybdenum Sour ammonium 0.2-0.5%, surplus are water.
Preferably, in the step (5), face coat is made of following components in percentage by weight：B4C：54%th, WC： 26%, AlN：7%, SiO2：13%.
The beneficial effects of the invention are as follows：
Carbon, silicon, manganese proportioning are reasonable in present invention casting gained casting, and the zirconium of addition can refine the austenite crystal in steel Grain, and enhance the quenching degree of casting, while vulcanization zirconium can be formed with sulphur, the red brittleness of casting can be prevented；Add in suitable titanium, Niobium, can crystal grain thinning, strengthen matrix, further enhance the intensity of steel；And suitable rhenium, cerium can crystal grain thinning, make tissue more Add stabilization.The casting cost that casts gained is low, intensity is high, toughness is good, but its surface quality and welding performance there is still a need for do into One step improves.In the stability for after the heat treatment process subsequently optimized, improving cast structure structure, later stage quenching process The fineness and the uniformity of middle tissue inter-variable are high, after tempering, can be stablized, the tempered sorbite tissue of fine uniform, Make casting while with high intensity with good toughness, and be improved the welding performance of casting.
To improve the case hardness of mechanical arm casting, Carburization Treatment, after carburizing, cast(ing) surface are carried out in cast(ing) surface Chemical composition is close to high-carbon steel, after oil extraction and high tempering, casting can be made high, wear-resisting with excellent case hardness Property and endurance life, and center portion is kept to have the quenched obdurability of mild steel.To further improve the table of mechanical arm casting Face performance, in its surface spraying layer of surface coating, and casting is first carried out phosphorating treatment by the present invention, forms one layer of phosphating coat, Strengthen the binding force of matrix and face coat.With B in face coat of the present invention4C is main component, with strong hardness, low Density the excellent property such as is tightly combined with matrix, is combined with other compositions, mechanical arm cast(ing) surface can be made to form height Hardness, high-wearing feature, highly corrosion resistant face coat, the service life of effective prolonged mechanical arm casting, and can make its should For in worse environment.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention, Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention one Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making All other embodiments obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Embodiment 1：
A kind of production technology of mechanical arm casting of robot, includes the following steps：
(1) it casts：It smelts and is cast into casting, ingredient contains C by weight percentage：0.28%, Si：1.65%, Mn： 1.3%, Zr：0.5%, Ti：0.45%, Nb：0.2%, Re：0.02%, Ce：0.03%, surplus is Fe and inevitable impurity；
(2) it is heat-treated：Casting is heated to 580 DEG C, is then warming up to 1030 DEG C with the speed of 6 DEG C/min, keeps the temperature 3.5h, Then 760 DEG C are cooled to the furnace, keeps the temperature 2h, water cooling to room temperature；530 DEG C are again heated to, 4h is kept the temperature, is air-cooled to room temperature；
(3) Carburization Treatment：Using carbon potential 1.1% at 875 DEG C carburizing 1.5h, then again using carbon potential 1.25% 930 Carburizing 2h at DEG C；Casting after Carburization Treatment in 80 DEG C of oil is quenched, 3h is tempered at 530 DEG C；
(4) phosphorating treatment：Casting Jing Guo Carburization Treatment is subjected to phosphorating treatment, phosphorating treatment is specially：To through and oozing The casting of carbon processing, which is immersed in the surface phosphorization treatment fluid that temperature is 65 DEG C, handles 10min, used in the surface phosphorization treatment fluid Raw material and mass percent are：Sodium dihydrogen phosphate 16%, potassium nitrate 7%, magnesium sulfate 3%, tartaric acid 0.8%, sulfosalicylic acid 0.5%th, ammonium molybdate 0.35%, surplus are water；It is rinsed, air-dried with deionized water after phosphorating treatment；
(5) spray-on coating：Using plasma gun in cast(ing) surface sprayed surface coating, the face coat is by following heavy The component for measuring percentage is formed：B4C：54%th, WC：26%, AlN：7%, SiO2：13%.
Embodiment 2：
A kind of production technology of mechanical arm casting of robot, includes the following steps：
(1) it casts：It smelts and is cast into casting, ingredient contains C by weight percentage：0.35%, Si：1.7%, Mn： 1.6%, Zr：0.5%, Ti：0.5%, Nb：0.3%, Ce：0.05%, surplus is Fe and inevitable impurity；
(2) it is heat-treated：Casting is heated to 600 DEG C, is then warming up to 1050 DEG C with the speed of 5 DEG C/min, keeps the temperature 3h, so After cool to 780 DEG C with the furnace, keep the temperature 2h, water cooling to room temperature；530 DEG C are again heated to, 4h is kept the temperature, is air-cooled to room temperature；
(3) Carburization Treatment：Using carbon potential 1.15% at 880 DEG C carburizing 1h, then again using carbon potential 1.2% at 940 DEG C Lower carburizing 2h；Casting after Carburization Treatment in 80 DEG C of oil is quenched, 3h is tempered at 540 DEG C；
(4) phosphorating treatment：Casting Jing Guo Carburization Treatment is subjected to phosphorating treatment, phosphorating treatment is specially：To through and oozing The casting of carbon processing, which is immersed in the surface phosphorization treatment fluid that temperature is 65 DEG C, handles 11min, used in the surface phosphorization treatment fluid Raw material and mass percent are：Sodium dihydrogen phosphate 16%, potassium nitrate 5%, magnesium sulfate 3%, tartaric acid 0.8%, sulfosalicylic acid 0.35%th, ammonium molybdate 0.2%, surplus are water；It is rinsed, air-dried with deionized water after phosphorating treatment；
(5) spray-on coating：Using plasma gun in cast(ing) surface sprayed surface coating, the face coat is by following heavy The component for measuring percentage is formed：B4C：60%th, WC：20%, AlN：10%, SiO2：10%.
Embodiment 3：
A kind of production technology of mechanical arm casting of robot, includes the following steps：
(1) it casts：It smelts and is cast into casting, ingredient contains C by weight percentage：0.22%, Si：1.6%, Mn： 1.2%, Zr：0.3%, Ti：0.4%, Nb：0.25%, Re：0.03%, Ce：0.03%, surplus is Fe and inevitable impurity；
(2) it is heat-treated：Casting is heated to 550 DEG C, is then warming up to 1020 DEG C with the speed of 8 DEG C/min, keeps the temperature 2.5h, Then 750 DEG C are cooled to the furnace, keeps the temperature 1.5h, water cooling to room temperature；510 DEG C are again heated to, 3h is kept the temperature, is air-cooled to room temperature；
(3) Carburization Treatment：Using carbon potential 1% at 860 DEG C carburizing 1.5h, then again using carbon potential 1.25% at 930 DEG C Lower carburizing 2.5h；Casting after Carburization Treatment in 90 DEG C of oil is quenched, 2h is tempered at 540 DEG C；
(4) phosphorating treatment：Casting Jing Guo Carburization Treatment is subjected to phosphorating treatment, phosphorating treatment is specially：To through and oozing The casting of carbon processing, which is immersed in the surface phosphorization treatment fluid that temperature is 55 DEG C, handles 11min, used in the surface phosphorization treatment fluid Raw material and mass percent are：Sodium dihydrogen phosphate 15%, potassium nitrate 7%, magnesium sulfate 2%, tartaric acid 0.5%, sulfosalicylic acid 0.5%th, ammonium molybdate 0.3%, surplus are water；It is rinsed, air-dried with deionized water after phosphorating treatment；
(5) spray-on coating：Using plasma gun in cast(ing) surface sprayed surface coating, the face coat is by following heavy The component for measuring percentage is formed：B4C：50%th, WC：30%, AlN：5%, SiO2：15%.
Embodiment 4：
A kind of production technology of mechanical arm casting of robot, includes the following steps：
(1) it casts：It smelts and is cast into casting, ingredient contains C by weight percentage：0.3%, Si：1.9%, Mn： 1.5%, Zr：0.7%, Ti：0.2%, Nb：0.1%, Re：0.05%, surplus is Fe and inevitable impurity；
(2) it is heat-treated：Casting is heated to 580 DEG C, is then warming up to 1040 DEG C with the speed of 7 DEG C/min, keeps the temperature 4h, so After cool to 760 DEG C with the furnace, keep the temperature 1h, water cooling to room temperature；540 DEG C are again heated to, 5h is kept the temperature, is air-cooled to room temperature；
(3) Carburization Treatment：Using carbon potential 1% at 870 DEG C carburizing 1.5h, then again using carbon potential 1.3% at 940 DEG C Carburizing 1.5h；Casting after Carburization Treatment in 90 DEG C of oil is quenched, 3h is tempered at 510 DEG C；
(4) phosphorating treatment：Casting Jing Guo Carburization Treatment is subjected to phosphorating treatment, phosphorating treatment is specially：To through and oozing The casting of carbon processing, which is immersed in the surface phosphorization treatment fluid that temperature is 60 DEG C, handles 10min, used in the surface phosphorization treatment fluid Raw material and mass percent are：Sodium dihydrogen phosphate 14%, potassium nitrate 3%, magnesium sulfate 3%, tartaric acid 1%, sulfosalicylic acid 0.2%th, ammonium molybdate 0.5%, surplus are water；It is rinsed, air-dried with deionized water after phosphorating treatment；
(5) spray-on coating：Using plasma gun in cast(ing) surface sprayed surface coating, the face coat is by following heavy The component for measuring percentage is formed：B4C：55%th, WC：20%, AlN：10%, SiO2：15%.
Embodiment 5：
A kind of production technology of mechanical arm casting of robot, includes the following steps：
(1) it casts：It smelts and is cast into casting, ingredient contains C by weight percentage：0.32%, Si：1.6%, Mn： 1.5%, Zr：0.5%, Ti：0.2%, Nb：0.3%, Re：0.03%, Ce：0.05%, surplus is Fe and inevitable impurity；
(2) it is heat-treated：Casting is heated to 600 DEG C, is then warming up to 1050 DEG C with the speed of 6 DEG C/min, keeps the temperature 4h, so After cool to 780 DEG C with the furnace, keep the temperature 1.5h, water cooling to room temperature；540 DEG C are again heated to, 4h is kept the temperature, is air-cooled to room temperature；
(3) Carburization Treatment：Using carbon potential 1.15% at 880 DEG C carburizing 1.5h, then again using carbon potential 1.3% 940 Carburizing 2.5h at DEG C；Casting after Carburization Treatment in 75 DEG C of oil is quenched, 3h is tempered at 515 DEG C；
(4) phosphorating treatment：Casting Jing Guo Carburization Treatment is subjected to phosphorating treatment, phosphorating treatment is specially：To through and oozing The casting of carbon processing, which is immersed in the surface phosphorization treatment fluid that temperature is 65 DEG C, handles 11min, used in the surface phosphorization treatment fluid Raw material and mass percent are：Sodium dihydrogen phosphate 16%, potassium nitrate 3%, magnesium sulfate 3%, tartaric acid 1%, sulfosalicylic acid 0.5%th, ammonium molybdate 0.5%, surplus are water；It is rinsed, air-dried with deionized water after phosphorating treatment；
(5) spray-on coating：Using plasma gun in cast(ing) surface sprayed surface coating, the face coat is by following heavy The component for measuring percentage is formed：B4C：55%th, WC：20%, AlN：10%, SiO2：15%.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments The present invention is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to aforementioned each implementation Technical solution recorded in example modifies or carries out equivalent replacement to which part technical characteristic；And these modification or It replaces, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.

Claims (6)

1. a kind of production technology of mechanical arm casting of robot, which is characterized in that include the following steps：
(1) it casts：It smelts and is cast into casting, ingredient contains C by weight percentage：0.22-0.35%, Si：1.6-1.9%, Mn：1.2-1.6%, Zr：0.3-0.7%, Ti：0.2-0.5%, Nb：0.1-0.3%, Re：0-0.05%, Ce：0-0.05%, Surplus is Fe and inevitable impurity；
(2) it is heat-treated：Casting is heated to 550-600 DEG C, is then warming up to 1020-1050 DEG C with the speed of 5-8 DEG C/min, is protected Then warm 2.5-4h cools to 750-780 DEG C with the furnace, keep the temperature 1-2h, water cooling to room temperature；510-540 DEG C is again heated to, keeps the temperature 3- 5h is air-cooled to room temperature；
(3) Carburization Treatment：Using carbon potential 1-1.15% at 860-880 DEG C carburizing 1-1.5h, then again use carbon potential 1.2- 1.3% at 930-940 DEG C carburizing 1.5-2.5h；Casting after Carburization Treatment is quenched in 60-90 DEG C of oil, 2-3h is tempered at 510-540 DEG C；
(4) phosphorating treatment：Casting Jing Guo Carburization Treatment is subjected to phosphorating treatment；It is rinsed after phosphorating treatment with deionized water, wind It is dry；
(5) spray-on coating：Using plasma gun in cast(ing) surface sprayed surface coating, the face coat is by following weight hundred The component of ratio is divided to form：B4C：50-60%, WC：20-30%, AlN：5-10%, SiO2：10-15%.
2. the production technology of mechanical arm casting of robot according to claim 1, which is characterized in that the step (1) In, its ingredient of casting contains C by weight percentage：0.28%, Si：1.65%, Mn：1.3%, Zr：0.5%, Ti：0.45%, Nb： 0.2%, Re：0.02%, Ce：0.03%, surplus is Fe and inevitable impurity.
3. the production technology of mechanical arm casting of robot according to claim 1, which is characterized in that the step (2) In, casting is heated to 580 DEG C, is then warming up to 1030 DEG C with the speed of 6 DEG C/min, 3.5h is kept the temperature, then cools to the furnace 760 DEG C, keep the temperature 2h, water cooling to room temperature；530 DEG C are again heated to, 4h is kept the temperature, is air-cooled to room temperature.
4. the production technology of mechanical arm casting of robot according to claim 1, which is characterized in that the step (3) In, using carbon potential 1.1% at 875 DEG C carburizing 1.5h, then again use the carburizing 2h at 930 DEG C of carbon potential 1.25%；It will pass through Casting after Carburization Treatment is quenched in 80 DEG C of oil, and 3h is tempered at 530 DEG C.
5. the production technology of mechanical arm casting of robot according to claim 1, which is characterized in that the step (4) In, phosphorating treatment is specially：Casting Jing Guo Carburization Treatment is immersed in the surface phosphorization treatment fluid that temperature is 55-65 DEG C and is handled 9-11min, the surface phosphorization treatment fluid is raw materials used and mass percent is：Sodium dihydrogen phosphate 14-16%, potassium nitrate 3- 7%th, magnesium sulfate 2-3%, tartaric acid 0.5-1%, sulfosalicylic acid 0.2-0.5%, ammonium molybdate 0.2-0.5%, surplus are water.
6. the production technology of mechanical arm casting of robot according to claim 1, which is characterized in that the step (5) In, face coat is made of following components in percentage by weight：B4C：54%th, WC：26%, AlN：7%, SiO2：13%.
CN201810032330.7A 2018-01-12 2018-01-12 A kind of production technology of mechanical arm casting of robot Pending CN108149140A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002275533A (en) * 2001-03-13 2002-09-25 Nippon Steel Corp Method for producing steel tube having excellent formability
CN105177456A (en) * 2015-07-28 2015-12-23 宁波市镇海甬鼎紧固件制造有限公司 Corrosion-resistant bolt alloy material and manufacturing method of bolts
CN106834926A (en) * 2017-01-23 2017-06-13 安徽臣诺机器人科技有限公司 A kind of mechanical arm antifriction alloy casting and its casting method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002275533A (en) * 2001-03-13 2002-09-25 Nippon Steel Corp Method for producing steel tube having excellent formability
CN105177456A (en) * 2015-07-28 2015-12-23 宁波市镇海甬鼎紧固件制造有限公司 Corrosion-resistant bolt alloy material and manufacturing method of bolts
CN106834926A (en) * 2017-01-23 2017-06-13 安徽臣诺机器人科技有限公司 A kind of mechanical arm antifriction alloy casting and its casting method

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