CN1058916C - Method for producing shaft sleeve by tetrachronium 13 bar material - Google Patents

Method for producing shaft sleeve by tetrachronium 13 bar material Download PDF

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Publication number
CN1058916C
CN1058916C CN98115304A CN98115304A CN1058916C CN 1058916 C CN1058916 C CN 1058916C CN 98115304 A CN98115304 A CN 98115304A CN 98115304 A CN98115304 A CN 98115304A CN 1058916 C CN1058916 C CN 1058916C
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China
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workpiece
water
production method
tetrachronium
grams
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Expired - Fee Related
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CN1201077A (en
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许红喜
任敏
白小荣
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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
    • 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
    • C23C22/46—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 oxalates

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)
  • Extrusion Of Metal (AREA)
  • Metal Extraction Processes (AREA)
  • ing And Chemical Polishing (AREA)

Abstract

The present invention relates to a production method for a bearing bush by tetrachromic thirteen bar materials. The production method comprises: a step of cutting materials according to the rated weight of a finished product, a step of annealing at high temperature and a step of forming by cold extrusion. A step of chemical tendering process is not arranged between the step of annealing in high temperature and the step of forming by cold extrusion. The step of chemical tendering process comprises: firstly, a workpiece is washed with acid, rinsed with hot water and treated with oxalate; then, the workpiece is soaked in a soak solution prepared from oxalic acid, ferric sulfate, sodium bisulfate, sodium thiosulfate and water; finally, the workpiece is formed by cold extrusion. The present invention has the advantages of working hour saving, material saving, long service life, etc.

Description

A kind of production method of making axle sleeve with tetrachronium 13 bar material
The present invention relates to a kind of production method with tetrachronium 13 bar material manufacturing axle sleeve, it belongs to a kind of production method of cold-extrusion shaping.
The method of producing the 4Cr13 axle sleeve at present mainly contains two kinds, and a kind of is to produce axle sleeve with the method for bar, employing cutting, adopt this method to need just can be processed into axle sleeve with the material greater than workpiece diameter 2mm, so its stock utilization is low, and waste of material is serious.Material because of the 4Cr13 axle sleeve is " gluing firmly " again, and machining requires relatively strictness to material, equipment precision, the cutting rotational speeds of cutter, so its work efficiency is low, the cost height.Another kind is to produce the 4Cr13 axle sleeve with the method for smart casting, but owing to easily make during casting foundry goods produce defective such as shrinkage porosite and blank cost than bar height, therefore there is shortcomings such as the low and cost of production height of product percent of pass.
The purpose of this invention is to provide a kind ofly save time, material saving, low, the measured production method of making axle sleeve with tetrachronium 13 bar material of matter of cost.
Task of the present invention is achieved in that this production method comprises by the blanking of finished product rated weight, high temperature annealing and cold-extrusion shaping step, between high temperature annealing and cold-extrusion shaping step, be provided with the chemical tendering treatment step, the chemical tendering treatment step is: earlier workpiece is carried out 30 fens kinds of pickling with the mixed solution that contains hydrochloric acid, nitric acid and water, handle with carrying out oxalate after the hot water rinsing then; The hot water that then with the sodium bisulphites of the ferric sulfate of the oxalic acid of 35～40 grams, 8～9 grams, 3～4 grams, 1 liter water temperature is 50～55 ℃ mixes, be heated to 65 ℃ of sodium thiosulfate of putting into 1～2 gram again after the dissolving and be mixed with dipping fluid, again workpiece being put into dipping fluid soaks, keep temperature to soak 20～30 minutes, treat that workpiece surface is light green, take out and use the hot water injection, coat the oiling agent cold-extrusion shaping at last.
The mixed solution of described hydrochloric acid, nitric acid and water is prepared by following weight percentage:
Hydrochloric acid 45～49%, nitric acid 4～7%, water 45～49%.
Described oiling agent is formulated by following weight percentages:
Liquid chlorinated paraffin oil 40%, soap oil 40%, soft soap liquid 10%, molybdenum disulfide 10%.
Because therefore the technology that the present invention has adopted chemical tendering to handle, is compared with background technique, have save time, material saving, advantage such as cost is low, quality is good.The present invention improves work efficiency more than 5 times than former technology, saves raw material 60%, and workpiece surface finish reaches 0.8, and intensity is apparently higher than the axle sleeve of former explained hereafter.Inherent metallographic structure is fine and closely woven, thereby has improved working life.Reduced by 50% cost, product qualified rate has improved more than 20%.
Embodiment 1:
The production method of making axle sleeve with the 4Cr13 bar is:
1, presses the blanking of finished product rated weight;
2, workpiece high temperature annealing in annealing furnace;
3, workpiece carries out the chemical tendering processing: workpiece is used is contained 45% hydrochloric acid (HCl), 6% nitric acid (HNO earlier 3) and the mixed solution of 49% water carried out pickling 30 minutes, handle with carrying out oxalate after the hot water rinsing then; Then with the 35 oxalic acid (H that restrain 2C 2O 4), 8 the gram ferric sulfate (Fe 2(SO 4) 3), 3 the gram sodium bisulphite (NaHSO 4), 1 liter hot water (water temperature is 50 ℃) mixes, and is heated to 65 ℃ of sodium thiosulfate (Na that put into 1 gram again after the dissolving 2S 2O 3) be mixed with dipping fluid, again workpiece is put into dipping fluid and soak, keep temperature to soak down 20 minutes at 65 ℃, treat that workpiece surface is light green, take out and use the hot water injection;
4, will wash good workpiece and coat the oiling agent that the molybdenum disulfide of chlorinated paraffin oil (liquid state) with 40%, 40% soap oil, 10% soft soap liquid and 10% is mixed with, put into extrusion die, with 183,000 N/cm 2The cold extrusion shaped axle sleeve that promptly makes of pressure.Cold extrusion shaped its chemical tendering processing effect of back of this axle sleeve is eliminated naturally.
Embodiment 2:
The preparation of the mixed solution of hydrochloric acid, nitric acid and water is in the present embodiment undertaken by following weight percentage: hydrochloric acid 48%, nitric acid 7% and water 45%.
Dipping fluid is prepared by following weight proportion: the ferric sulfate of the oxalic acid of 40 grams, 9 grams, the sodium bisulphite of 4 grams, 1 liter hot water (water temperature is 55 ℃), the sodium thiosulfate of 2 grams.Workpiece soaked in dipping fluid 30 minutes.All the other production stages are with embodiment 1.
Embodiment 3:
The preparation of the mixed solution of hydrochloric acid, nitric acid and water is in the present embodiment undertaken by following weight percentage: hydrochloric acid 47%, nitric acid 5% and water 48%.
Dipping fluid is prepared by following weight proportion: the ferric sulfate of the oxalic acid of 37 grams, 8.5 grams, the sodium bisulphite of 3.5 grams, 1 liter hot water (water temperature is 53 ℃), the sodium thiosulfate of 1.5 grams.Workpiece soaked in dipping fluid 25 minutes.All the other production stages are with embodiment 1.

Claims (3)

1, a kind of production method of making axle sleeve with tetrachronium 13 bar material, it comprises by the blanking of finished product rated weight, high temperature annealing and cold-extrusion shaping step, it is characterized in that: between high temperature annealing and cold-extrusion shaping step, be provided with the chemical tendering treatment step, the chemical tendering treatment step is: earlier workpiece was carried out pickling 30 minutes with the mixed solution that contains hydrochloric acid, nitric acid and water, handle with carrying out oxalate after the hot water rinsing then; The hot water that then with the sodium bisulphites of the ferric sulfate of the oxalic acid of 35～40 grams, 8～9 grams, 3～4 grams, 1 liter water temperature is 50～55 ℃ mixes, be heated to 65 ℃ of sodium thiosulfate of putting into 1～2 gram again after the dissolving and be mixed with dipping fluid, again workpiece being put into dipping fluid soaks, keep temperature to soak 20～30 minutes, treat that workpiece surface is light green, take out and use the hot water injection, coat the oiling agent cold-extrusion shaping at last.
2, a kind of production method according to claim 1 with tetrachronium 13 bar material manufacturing axle sleeve, it is characterized in that: the mixed solution of described hydrochloric acid, nitric acid and water is prepared by following weight percentage:
Hydrochloric acid 45～49%, nitric acid 4～7%, water 45～49%.
3, a kind of production method according to claim 1 with tetrachronium 13 bar material manufacturing axle sleeve, it is characterized in that: described oiling agent is formulated by following weight percentages:
Liquid chlorinated paraffin oil 40%, soap oil 40%, soft soap liquid 10%, molybdenum disulfide 10%.
CN98115304A 1998-06-15 1998-06-15 Method for producing shaft sleeve by tetrachronium 13 bar material Expired - Fee Related CN1058916C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN98115304A CN1058916C (en) 1998-06-15 1998-06-15 Method for producing shaft sleeve by tetrachronium 13 bar material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN98115304A CN1058916C (en) 1998-06-15 1998-06-15 Method for producing shaft sleeve by tetrachronium 13 bar material

Publications (2)

Publication Number Publication Date
CN1201077A CN1201077A (en) 1998-12-09
CN1058916C true CN1058916C (en) 2000-11-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN98115304A Expired - Fee Related CN1058916C (en) 1998-06-15 1998-06-15 Method for producing shaft sleeve by tetrachronium 13 bar material

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102717231B (en) * 2012-05-25 2015-06-03 重庆极光机械制造有限公司 Process for machining sleeve with key
CN105543452A (en) * 2016-01-19 2016-05-04 溧阳市金昆锻压有限公司 Annealing technology of 4Cr13 circular mould
CN109439882A (en) * 2018-12-27 2019-03-08 东莞科力线材技术有限公司 Superplasticity abnormal shape stainless steel support wire rod and preparation method thereof
CN113481498A (en) * 2021-06-30 2021-10-08 东风商用车有限公司 Surface straw acidification lubrication treatment method for heat-resistant steel wire

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1060515A (en) * 1990-10-10 1992-04-22 胡长安 The production method of shouldered bimetallic thrust axle sleeve
CN1148822A (en) * 1995-03-25 1997-04-30 卡劳斯-马菲股份公司 Method and device for rounding cans

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1060515A (en) * 1990-10-10 1992-04-22 胡长安 The production method of shouldered bimetallic thrust axle sleeve
CN1148822A (en) * 1995-03-25 1997-04-30 卡劳斯-马菲股份公司 Method and device for rounding cans

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