CN109112507A - A kind of wear-resisting hardware preparation method - Google Patents

A kind of wear-resisting hardware preparation method Download PDF

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Publication number
CN109112507A
CN109112507A CN201810840656.2A CN201810840656A CN109112507A CN 109112507 A CN109112507 A CN 109112507A CN 201810840656 A CN201810840656 A CN 201810840656A CN 109112507 A CN109112507 A CN 109112507A
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China
Prior art keywords
handware
nitriding
temperature
completion
wear
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CN201810840656.2A
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Chinese (zh)
Inventor
迟沅财
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liuzhou Heng Yang Machinery Co Ltd
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Liuzhou Heng Yang Machinery Co Ltd
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Priority to CN201810840656.2A priority Critical patent/CN109112507A/en
Publication of CN109112507A publication Critical patent/CN109112507A/en
Pending legal-status Critical Current

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    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • 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
    • C23C12/00—Solid state diffusion of at least one non-metal element other than silicon and at least one metal element or silicon into metallic material 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/1803—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces
    • C23C18/1824—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment
    • C23C18/1837—Multistep pretreatment
    • C23C18/1844—Multistep pretreatment with use of organic or inorganic compounds other than metals, first
    • 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
    • C23C22/24—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 hexavalent chromium compounds

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Chemically Coating (AREA)

Abstract

The present invention is intended to provide a kind of wear-resisting hardware preparation method, comprising the following steps: A) mold；B blank) is prepared；C) machine-shaping；D) zinc-plated；E) chromating；F) nickel plating；G) oozing tungsten；H) nitriding: the handware after oozing tungsten being put into part heat-treatment furnace and carries out Nitrizing Treatment, and nitriding temperature is 750-900 DEG C, nitriding time 30-35h, and nitriding medium is ammonia, and 2-5h is spread after the completion of nitriding, is sent after the completion of diffusion into quenching liquid；I it) cleans and polishes: the Cleaning of Parts after quenching treatment completely being dried afterwards, is processed by shot blasting deburring.The processing method overcomes prior art defect, has the characteristics that high-efficient, at low cost, performance is good.

Description

A kind of wear-resisting hardware preparation method
Technical field
The present invention relates to hardware manufacturing fields, and in particular to a kind of wear-resisting hardware preparation method.
Background technique
Complementary used in hardware daily life and industrial production, accessory manufactured goods.Early stage multi-purpose gold, silver, The production of the metal materials such as copper, iron, tin, thus gain the name.Now except various metal materials are used, plastics, glass fibre are also widely used Etc. nonmetallic materials production.The generally existing quality of handware of current manufacturing method preparation is general, and easy-to-rust, environment adapts to energy Power is poor, and service life is short；Non- desulfurization process causes brittleness big, and easy fracture, there are security risks；Uneven coating is even, and coating is easily de- The problems such as falling.In addition, the generally existing piece surface wear-resisting property of handware that current technique manufactures is poor, service life is short to be asked Topic.
Summary of the invention
The present invention is intended to provide a kind of wear-resisting hardware preparation method, the processing method overcome prior art defect, tool Efficient feature high, at low cost, performance is good.
Technical scheme is as follows:
A kind of wear-resisting hardware preparation method, comprising the following steps:
A sand mo(u)ld) mold: is cast according to the shape of handware；
B it) prepares blank: sand mo(u)ld will be poured into after metal melting and cast, casting is completed to obtain blank；
C blank) machine-shaping: is passed through into turning and/or milling process machine-shaping；
D) zinc-plated；
E) chromating；
F) nickel plating；
G) oozing tungsten: the handware after nickel plating is put into progress oozing tungsten processing in part heat-treatment furnace, oozing tungsten temperature is 1200-1300 DEG C, the oozing tungsten time is 3-4h, is sent after the completion of oozing tungsten into quenching liquid；
H) nitriding: the handware after oozing tungsten being put into part heat-treatment furnace and carries out Nitrizing Treatment, nitriding temperature 750-900 DEG C, nitriding time 30-35h, nitriding medium is ammonia, and 2-5h is spread after the completion of nitriding, is sent after the completion of diffusion into quenching liquid；
I it) cleans and polishes: the Cleaning of Parts after quenching treatment completely being dried afterwards, is processed by shot blasting deburring.
Preferably, the zinc-plated processing step are as follows:
Degreasing: a carries out surface using water-base metal degreased cleaning agent and deoils；
B, pickling: being carried out pickling 9-15 seconds using 20% hydrochloric acid and 1-3g/L hexamethylenetetramine, and temperature is 25-35 DEG C；After pickling It is washed to neutrality, it is dry；
C soaks fluxing agent: the obtained handware of step b is put into NH4Cl and ZnCl2Mixed aqueous solution in, NH4Cl concentration is 18-22%, ZnCl2 concentration are 2.8-3.2%, and the temperature of mixed aqueous solution is 60 DEG C, soaking time 15-20min, the mixing Aqueous solution surface oil sealing；After the completion of immersion, handware surface is deoiled, and is washed, dry；
D prepares galvanizing solution: taking 100-110g/LZnCl2, 300-350g/LNaOH, 20-25g/L sodium potassium tartrate tetrahydrate, 10- 15g/L potassium pyrophosphate is uniformly mixed in distilled water；
E, zinc-plated processing: the handware in step c is put into galvanizing solution, and 50-60 DEG C is taken out after holding 30-40 seconds, is washed It is impregnated 50 seconds in 30% concentrated sulfuric acid solution again afterwards, is then washed to neutrality, it is dry.
Preferably, the chromating specifically: by the obtained handware of step D be put into chromic acid mixed salt solution into Row is passivated, the Na containing 85-90g/L in chromic acid mixed salt solution2Cr2O7And the sulfuric acid of 2.5mL/L, passivation time 20- 30min, passivation temperature are room temperature.
Preparation method simple process of the present invention, long service life, qualification rate is high, distinctive high temperature nitriding processing is added, greatly The quality of heat-and corrosion-resistant performance and product is improved greatly.
Specific embodiment
The present invention is illustrated below with reference to embodiment.
Embodiment 1
Wear-resisting hardware preparation method provided in this embodiment the following steps are included:
A sand mo(u)ld) mold: is cast according to the shape of handware；
B it) prepares blank: sand mo(u)ld will be poured into after metal melting and cast, casting is completed to obtain blank；
C blank) machine-shaping: is passed through into turning and/or milling process machine-shaping；
D) zinc-plated；The zinc-plated processing step are as follows:
Degreasing: a carries out surface using water-base metal degreased cleaning agent and deoils；
B, pickling: being carried out pickling 9 seconds using 20% hydrochloric acid and 1g/L hexamethylenetetramine, and temperature is 25 DEG C；In being washed to after pickling Property, it is dry；
C soaks fluxing agent: the obtained handware of step b is put into NH4Cl and ZnCl2Mixed aqueous solution in, NH4Cl concentration is 18%, ZnCl2 concentration are 2.8%, and the temperature of mixed aqueous solution is 60 DEG C, soaking time 15min, the mixed aqueous solution surface Oil sealing；After the completion of immersion, handware surface is deoiled, and is washed, dry；
D prepares galvanizing solution: taking 100g/LZnCl2, 300g/LNaOH, 20g/L sodium potassium tartrate tetrahydrate, 10g/L potassium pyrophosphate steaming It is uniformly mixed in distilled water；
E, zinc-plated processing: the handware in step c is put into galvanizing solution, 50 DEG C keep 30 seconds after take out, exist again after washing It is impregnated 50 seconds in 30% concentrated sulfuric acid solution, is then washed to neutrality, it is dry；
E) chromating；The chromating specifically: the obtained handware of step D is put into chromic acid mixed salt solution It is passivated, the Na of 85g/L is contained in chromic acid mixed salt solution2Cr2O7And the sulfuric acid of 2.5mL/L, passivation time 20min are blunt Change temperature is room temperature；
F) nickel plating；
G) oozing tungsten: being put into progress oozing tungsten processing in part heat-treatment furnace for the handware after nickel plating, and oozing tungsten temperature is 1200 DEG C, is seeped The tungsten time is 3h, is sent after the completion of oozing tungsten into quenching liquid；
H) nitriding: the handware after oozing tungsten being put into part heat-treatment furnace and carries out Nitrizing Treatment, and nitriding temperature is 750 DEG C, is seeped The nitrogen time is 30h, and nitriding medium is ammonia, and 2h is spread after the completion of nitriding, is sent after the completion of diffusion into quenching liquid；
I it) cleans and polishes: the Cleaning of Parts after quenching treatment completely being dried afterwards, is processed by shot blasting deburring.
Embodiment 2
Wear-resisting hardware preparation method provided in this embodiment the following steps are included:
A sand mo(u)ld) mold: is cast according to the shape of handware；
B it) prepares blank: sand mo(u)ld will be poured into after metal melting and cast, casting is completed to obtain blank；
C blank) machine-shaping: is passed through into turning and/or milling process machine-shaping；
D) zinc-plated；The zinc-plated processing step are as follows:
Degreasing: a carries out surface using water-base metal degreased cleaning agent and deoils；
B, pickling: being carried out pickling 12 seconds using 20% hydrochloric acid and 2g/L hexamethylenetetramine, and temperature is 30 DEG C；It is washed to after pickling Neutrality, it is dry；
C soaks fluxing agent: the obtained handware of step b is put into NH4Cl and ZnCl2Mixed aqueous solution in, NH4Cl concentration is 20%, ZnCl2 concentration are 3.0%, and the temperature of mixed aqueous solution is 60 DEG C, soaking time 18min, the mixed aqueous solution surface Oil sealing；After the completion of immersion, handware surface is deoiled, and is washed, dry；
D prepares galvanizing solution: taking 105g/LZnCl2, 320g/LNaOH, 22g/L sodium potassium tartrate tetrahydrate, 12g/L potassium pyrophosphate steaming It is uniformly mixed in distilled water；
E, zinc-plated processing: the handware in step c is put into galvanizing solution, 55 DEG C keep 35 seconds after take out, exist again after washing It is impregnated 50 seconds in 30% concentrated sulfuric acid solution, is then washed to neutrality, it is dry；
E) chromating；The chromating specifically: the obtained handware of step D is put into chromic acid mixed salt solution It is passivated, the Na of 88g/L is contained in chromic acid mixed salt solution2Cr2O7And the sulfuric acid of 2.5mL/L, passivation time 25min are blunt Change temperature is room temperature；
F) nickel plating；
G) oozing tungsten: being put into progress oozing tungsten processing in part heat-treatment furnace for the handware after nickel plating, and oozing tungsten temperature is 1250 DEG C, is seeped The tungsten time is 3h, is sent after the completion of oozing tungsten into quenching liquid；
H) nitriding: the handware after oozing tungsten being put into part heat-treatment furnace and carries out Nitrizing Treatment, and nitriding temperature is 800 DEG C, is seeped The nitrogen time is 32h, and nitriding medium is ammonia, and 3h is spread after the completion of nitriding, is sent after the completion of diffusion into quenching liquid；
I it) cleans and polishes: the Cleaning of Parts after quenching treatment completely being dried afterwards, is processed by shot blasting deburring.
Embodiment 3
Wear-resisting hardware preparation method provided in this embodiment the following steps are included:
A sand mo(u)ld) mold: is cast according to the shape of handware；
B it) prepares blank: sand mo(u)ld will be poured into after metal melting and cast, casting is completed to obtain blank；
C blank) machine-shaping: is passed through into turning and/or milling process machine-shaping；
D) zinc-plated；The zinc-plated processing step are as follows:
Degreasing: a carries out surface using water-base metal degreased cleaning agent and deoils；
B, pickling: being carried out pickling 15 seconds using 20% hydrochloric acid and 3g/L hexamethylenetetramine, and temperature is 35 DEG C；It is washed to after pickling Neutrality, it is dry；
C soaks fluxing agent: the obtained handware of step b is put into NH4Cl and ZnCl2Mixed aqueous solution in, NH4Cl concentration is 22%, ZnCl2 concentration are 3.2%, and the temperature of mixed aqueous solution is 60 DEG C, soaking time 20min, the mixed aqueous solution surface Oil sealing；After the completion of immersion, handware surface is deoiled, and is washed, dry；
D prepares galvanizing solution: taking 110g/LZnCl2, 350g/LNaOH, 25g/L sodium potassium tartrate tetrahydrate, 15g/L potassium pyrophosphate steaming It is uniformly mixed in distilled water；
E, zinc-plated processing: the handware in step c is put into galvanizing solution, 60 DEG C keep 40 seconds after take out, exist again after washing It is impregnated 50 seconds in 30% concentrated sulfuric acid solution, is then washed to neutrality, it is dry；
E) chromating；The chromating specifically: the obtained handware of step D is put into chromic acid mixed salt solution It is passivated, the Na of 90g/L is contained in chromic acid mixed salt solution2Cr2O7And the sulfuric acid of 2.5mL/L, passivation time 30min are blunt Change temperature is room temperature；
F) nickel plating；
G) oozing tungsten: being put into progress oozing tungsten processing in part heat-treatment furnace for the handware after nickel plating, and oozing tungsten temperature is 1300 DEG C, is seeped The tungsten time is 4h, is sent after the completion of oozing tungsten into quenching liquid；
H) nitriding: the handware after oozing tungsten being put into part heat-treatment furnace and carries out Nitrizing Treatment, and nitriding temperature is 900 DEG C, is seeped The nitrogen time is 35h, and nitriding medium is ammonia, and 5h is spread after the completion of nitriding, is sent after the completion of diffusion into quenching liquid；
I it) cleans and polishes: the Cleaning of Parts after quenching treatment completely being dried afterwards, is processed by shot blasting deburring.

Claims (3)

1. a kind of wear-resisting hardware preparation method, it is characterised in that the following steps are included:
A sand mo(u)ld) mold: is cast according to the shape of handware；
B it) prepares blank: sand mo(u)ld will be poured into after metal melting and cast, casting is completed to obtain blank；
C blank) machine-shaping: is passed through into turning and/or milling process machine-shaping；
D) zinc-plated；
E) chromating；
F) nickel plating；
G) oozing tungsten: the handware after nickel plating is put into progress oozing tungsten processing in part heat-treatment furnace, oozing tungsten temperature is 1200-1300 DEG C, the oozing tungsten time is 3-4h, is sent after the completion of oozing tungsten into quenching liquid；
H) nitriding: the handware after oozing tungsten being put into part heat-treatment furnace and carries out Nitrizing Treatment, nitriding temperature 750-900 DEG C, nitriding time 30-35h, nitriding medium is ammonia, and 2-5h is spread after the completion of nitriding, is sent after the completion of diffusion into quenching liquid；
I it) cleans and polishes: the Cleaning of Parts after quenching treatment completely being dried afterwards, is processed by shot blasting deburring.
2. wear-resisting hardware preparation method as described in claim 1 it is characterized by:
The zinc-plated processing step are as follows:
Degreasing: a carries out surface using water-base metal degreased cleaning agent and deoils；
B, pickling: being carried out pickling 9-15 seconds using 20% hydrochloric acid and 1-3g/L hexamethylenetetramine, and temperature is 25-35 DEG C；After pickling It is washed to neutrality, it is dry；
C soaks fluxing agent: the obtained handware of step b is put into NH4Cl and ZnCl2Mixed aqueous solution in, NH4Cl concentration is 18-22%, ZnCl2 concentration are 2.8-3.2%, and the temperature of mixed aqueous solution is 60 DEG C, soaking time 15-20min, the mixing Aqueous solution surface oil sealing；After the completion of immersion, handware surface is deoiled, and is washed, dry；
D prepares galvanizing solution: taking 100-110g/LZnCl2, 300-350g/LNaOH, 20-25g/L sodium potassium tartrate tetrahydrate, 10-15g/ L potassium pyrophosphate is uniformly mixed in distilled water；
E, zinc-plated processing: the handware in step c is put into galvanizing solution, and 50-60 DEG C is taken out after holding 30-40 seconds, is washed It is impregnated 50 seconds in 30% concentrated sulfuric acid solution again afterwards, is then washed to neutrality, it is dry.
3. wear-resisting hardware preparation method according to claim 1, it is characterised in that:
The chromating specifically: the obtained handware of step D is put into chromic acid mixed salt solution and is passivated, chromic acid Contain the Na of 85-90g/L in mixed salt solution2Cr2O7And the sulfuric acid of 2.5mL/L, passivation time 20-30min, passivation temperature For room temperature.
CN201810840656.2A 2018-07-27 2018-07-27 A kind of wear-resisting hardware preparation method Pending CN109112507A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201810840656.2A CN109112507A (en) 2018-07-27 2018-07-27 A kind of wear-resisting hardware preparation method

Publications (1)

Publication Number Publication Date
CN109112507A true CN109112507A (en) 2019-01-01

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105063581A (en) * 2015-08-07 2015-11-18 昆山—邦泰汽车零部件制造有限公司 Method for manufacturing high-tenacity automobile hardware
CN105057586A (en) * 2015-08-07 2015-11-18 昆山—邦泰汽车零部件制造有限公司 Method for manufacturing automobile hardware
CN105063696A (en) * 2015-08-07 2015-11-18 昆山—邦泰汽车零部件制造有限公司 Manufacturing method of abrasion-proof automotive hardware

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105063581A (en) * 2015-08-07 2015-11-18 昆山—邦泰汽车零部件制造有限公司 Method for manufacturing high-tenacity automobile hardware
CN105057586A (en) * 2015-08-07 2015-11-18 昆山—邦泰汽车零部件制造有限公司 Method for manufacturing automobile hardware
CN105063696A (en) * 2015-08-07 2015-11-18 昆山—邦泰汽车零部件制造有限公司 Manufacturing method of abrasion-proof automotive hardware

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