Surface treatment method of cold-work die steel

The surface treatment method for preparing a step of steel

technical field

[0001] The invention relates to a surface processing method thereof, specifically the carried relating of a step of steel the surface processing method.

background technology

[0002] The industrial die is an increase, wherein after the 21st century, adding carrying of increased progressively is more than 20%, the along with the material science and progress of method for producing, port of the industrial to develop in a more excellent direction.

[0003] A member selected is provided with a producuction of very important, wherein the selection of the material is a U-SHAPED Bei, size of wear resistance, tenacity and following requirements, namely material is economical applicability.

[0004] A step of steel stress hardness and wear resistance, carbon is height, the alloy element of of hardenability, the added by using the main, wherein a step of steel (material is piercing member, cross- die, vinegar and scissors) to the groove of the section comprises for producing, A Dunmo and cold-extrusion die, bending machine and mould wire. Is adapted to metal of the tool steel at the room temperature for producing the deformed in the groove (such as blanking hole, bending of cutting, said and A Dunmo, cold-extrusion of ABR+OBR process in) for.

[0005] So with the substrate has a hardness, a flexible of height and height bending strength, meanwhile and so on a wear resistance, wherein during the guaranteed of tamping process, die is processing. complicated grinding area is big, the waste it is big, resharpens can difficultly therefore, achieves the has a height, wear-resistantThe forming die is required to the pressure, and a result of a complicated rod is generate stress, therefore achieves the has a height, transparencyThe hole diameter is big, and complicated therefore, the hardenability so of height, and a small and deformed at tendentiousness. The brief, a step of steel in the hardenability, wear resistance and transparency and other surface so the heights.

[0006] A step of steel in step a, is in quite of by processing the material to the deformation, die's effective of the plant tremendous pressure, bending stress, by and friction force. Therefore, wherein the cold step die's normal abandonment is chamber is used, there are by the rupture and Beng Batch and deformed out-of-tolerance, and invalidation.

[0007] Agent is the conversion field, compression-joins lead uses the hydraulic die as a result of wear resistance of height, wherein the aerobic is aluminium pipe and service life shorts of the disadvantages uses, the die is year's renewal and it is huge. The use of centigrade depends comprises improving surface property of the matrix phase change material is an limitedly of the plant is refractory. The surface of the application of the die, wherein offset material insufficiency to any extent thereof.

[0008] The plating is added material surface property one of method that wherein the haloalkylsulfonanilide method of the material forming plating layer, a pharmaceutically effective improve the friction waste property of material. The plating apparatus for of industrial production, and is therefore, has better technical carrier and prospect by property of such a method of any.

[0009] The development of nanotechnology is a supply weight of the traditional industrial, nano particles with light-sized, and quantum diameter, and macro quantum tunnel effect and surface, and nano particles with a performance and action thereof, and hardness and abrasion resistance of improving material. , And along with the progress of technology, nanoparticle preparing costs large scale reduced, is nano particle large industrial application supply is.

[0010] Compounding) refers to the medicine liquid be totally depositing nano particles for electroplated or a metal crystal, energy generate a wear-resistant, noncorrosive and excellent in property the plating layer. The heat-cured generate relies of the plating layer is the nano particle. , And a nanoparticle specific surface area is big, wherein the surface energy height of the particles of at the non-steady of cutting, a tautomer, wherein the stable growth, wherein the method for realizing wherein the particle has agent, comprising affecting wherein and application thereof.

The invention

[0011] In order to overcome the deletion of prior art, wherein the invention claims a surface treatment method for preparing a step of steel, in the step a surface of the plating film N1-P-Si02/Ti02 composite plate, by the surface-modified, the hardness and wear resistance of added with surface, the service life of large added with.

[0012] The invention is fluorine, the technical solution of the invention are:

[0013] The surface treatment method for preparing a step of steel, wherein step, and N1-P layer and medicine for compounding the cleaning treatment in the plating, wherein the plate N1-P layer has a step of steel powder and stabiliser and active agent's plating liquid of the surface activation; The haloalkylsulfonanilide compounding plate comprises at 75V~95°C temperature, and a wherein the surface-modified of TiO2 and SiO2 nanoparticle plating liquid the haloalkylsulfonanilide compounding plating 30~40 minutes by N1-P-Ti02/Si02 plating layer; The drying is room temperature for 250°C~500°C or furnace for treating 0.5h~3h in muffle - furnace.

[0014] A a further step, plating liquid:

[0015]Nickel sulphate 15 ~40g/L

[0016] sodium hypophosphite 10~45g/L

[0017] The acetic acid containing 5~45g/L

[0018]Polylactic acid 5 ~30g/L.

[0019] A sulphuric acid is plating liquid PH to 4~6.

[0020] A a further step, the purification treatment is performed for the step of steel is a alkali-cleaning, wherein the acid washing water, washing and drying.

[0021] The cold-rolled of the steel after the sandpaper is a, and acetone solution the ultrasonically cleaned 15~20 min in alcohol and unoiling; the drying at room temperature; A 45°C~70°C of the alkali washing alkali-cleaning 5~10 minutes, wherein the water wash; The of the cleaning solution of the acid washing I~5 min under room temperature, andA wherein the water wash drying.

[0022] Is a further step, and to the use of 75°C~95°C and 120~180r/min magnetic stirring, plates of 10~20 min.

[0023] A a further step, the stabiliser is the concentration of the I~4mg/L thiocarbamide or boric acid.

[0024] A a further step, the surface active agent is the concentration of 50~300mg/L from one of sodium dodecyl benzene sulfonate and tetradecyl dimethyl phenyl ammonium chloride and cetalkonium the chloride.

[0025] A a further step, TiO2 and SiO2 nanoparticle size range of different.

[0026] A a further step, TiO2 and SiO2 nanoparticle and method of 35nm~75nm and 20nm~40nm.

[0027] A a further step, the nanometre TiO2 content of > I~10g/L, wherein the nanometre SiO2 content of I~15g/L.

[0028] A a further step, the haloalkylsulfonanilide compounding plates of the magnetic force intermittently stirring, the stirring speed is 120~180r/min, the stirring time is 6~8 min, the quiescent period of between 2~4.

[0029] The nano particle specific surface area is big, surface energy height, nano particle and easy agent; The nanometre particle and surface energy has the low affinity for the substrate of groove, a is not able to remove at the bottom thereof, wherein the interface to the residual microporous, wherein the separating the concentration. A so as to nanometre particle material in the nano-scale in diameter, wherein the surface modification of nanometre particle is nano particles surface and surface modifier with effect, improve the wettability of nano particle surface; the parts of nanometre particle by compatibility the medium, wherein the nano particle easily or oil-dispersible water in the organic compound. The surface modifier molecular structure is easily has a nano particles surface generate effect is characterized, wherein the characterized is a and molecular structure composed of surface modifier, and obtain.

[0030] The nanometre and surface-modified method of multiple, wherein the dispersing agent is added to conduct alcohol, the suspension has a wherein the organic or inorganic medium coated modified. '

[0031] The dispersing agent of the charge surface of the dispersing agent is rigid particle, generate the static electricity stabilizing material and air sterically hindered effect and static electricity a sterically hindered stabilizing material is the achiefs alcohol and.

[0032]The agent's of a surface active agent and a small molecule weight of the inorganic electrolyte or the inorganic macromolecule polymer, and coupling agent is. The surface active agent is a hydrophilic group and hydrophobic group and a part of bihydrophilic molecule, which is a hollow sterically hindered achiefs action of alcohol. A connector modification is nano particles surface of the raw coupling reaction, between two in addition and der Waals force, hydrogen bond or combinations thereof, with the binding of an adhesive or covalent bond.

[0033] The coating for (soluble or oil soluble the compound of fatty acid soap and so on) of performing a to the nano particle surface of the compound or organic compound, the is weakened to or device to the nano particle agent, and as a result of coating, wherein the generate the hollow sterically hindered repulsion, wherein of the granulation agent and aluminium, wherein achiefs fluorine modified. The coating and can be layer, attached to the, wherein a single chemical reaction or the concentration coating and so on.

[0034] A use of the technical solution, and prior art, the beneficial action of invention comprises:

[0035] (I) the chemically plating production method of the invention is simple, easy the.

[0036] (2) The invention is nanometre Sio2 and Ratio of the particle is the hardness and wearable performance of increased plating layer; and nanometre Sio2 and Tio2 costs low, the suitable for large mass production.

[0037] (3) The invention is wherein the particle composition is nanometre Sio2 and TiO2 particle, and is carried out in the stirring, a beneficial for forming denser plating layer.

[0038] (4) In the invention of the first and N1-P plating layer of solution, then performing compounding to the plate N1-P_Ti02/Si02 plating layer, the binding of beneficial for N1-P-Ti02/Si02 composite plate.

[0039] (5) Invention is a step of steel component, uniformly surface is smooth.

[0040] (6) Invention can promote through the heat-treated of the plating layer the kainotype forming, the phase-transformation forming metal, alloy, and plating layer of plastic deformation of; and further improves plating layer and substrate material binding capacity.

[0041] (7) Invention is a step of steel a hardness, the material of said primary base material, hardness claim I~4 time, friction run-in of reducing 30%~75%.

Specifically embodiment

[0042] Following steps of detailed explanation to the invention of light of as.

[0043] embodiment 1:

[0044] The surface treatment method for preparing a step of steel, wherein step, and N1-P layer and medicine for compounding the cleaning treatment in the plating.

[0045] The plating liquid: Weighing the lobelia comprising a nickel sulphate, sodium 25g hypophosphite, agar the sodium acetate, the polylactic acid, preparation And ISHENG the plating liquid. A sulphuric acid is plating liquid IS 5 to.

[0046] The purification treatment is performed for the step of steel is a alkali-cleaning, wherein the acid washing water, washing and drying.

[0047] The cold-rolled of the steel after the sandpaper is a, and acetone solution the ultrasonically cleaned 15 min in alcohol and unoiling; the drying at room temperature; A degrees centigrade in the alkali washing alkali-cleaning 5 min, the water wash; The of the cleaning solution of the acid washing 5 minutes at room temperature, andA wherein the water wash drying.

[0048] Is provided with a step of steel punching after treatment at the plating liquid.

[0049] Plate comprises of the centigrade and 120r/min magnetic stirring, plates of 10 minutes.

[0050] After the plating N1-P layer has a step of steel powder and 3mg stabiliser thiocarbamide a Compound of active agent sodium dodecyl benzene sulfonate plating liquid of the surface activation;

[0051] The haloalkylsulfonanilide compounding plate comprises a degrees centigrade, and a wherein the surface-modified of the granularity of 35nm~75nm type TiO2 and granularity of the amorphous 20nm~40nm SiO2 nano particle plating liquid the haloalkylsulfonanilide compounding and 30 minutes by N1-P-Ti02/Si02 plating layer, the nanometre TiO2 content of 6g/L, wherein the nanometre SiO2 content of 10g/L, the haloalkylsulfonanilide compounding plates of the magnetic force intermittently stirring, the stirring speed is 120r/min, wherein the stirring time is 6 min, the quiescent period is 2 minutes.

[0052] The drying is room temperature for treating at H in muffle - furnace.

[0053] A hardness test; and a step of steel surface of said primary base material, hardness claim I~4 time, friction run-in of reducing 30%~75%.

[0054] embodiment 2:

[0055] The surface treatment method for preparing a step of steel, wherein step, and N1-P layer and medicine for compounding the cleaning treatment in the plating.

[0056] The plating liquid: Weighing the 25g the hydrate nickel sulphate, the sodium hypophosphite, the 12g sodium acetate, wherein the 18g lactic acid, preparation And ISHENG the plating liquid. A sulphuric acid is plating liquid IS 4.5 to.

[0057] The purification treatment is performed for the step of steel is a alkali-cleaning, wherein the acid washing water, washing and drying.

[0058] The cold-rolled of the steel after the sandpaper is a, and acetone solution the ultrasonically cleaned 20 min in alcohol and unoiling; the drying at room temperature; Degrees centigrade in the alkali washing alkali-cleaning 10 min, the water wash; The of the cleaning solution of the acid washing 3 minutes at room temperature, andA wherein the water wash drying.

[0059] A plating solution in the 78°C and 160r/min magnetic stirring, plates of 20 minutes.

[0060] After the plating N1-P layer has a step of steel powder and stabiliser mg boric acid and 50mg surface active agent tetradecyl dimethyl phenyl ammonium chloride plating liquid of the surface activation;

[0061] The haloalkylsulfonanilide compounding plate comprises at 78°C temperature, and a wherein the surface-modified of the granularity of 35nm~75nm TiO2 and granularity of the 20nm~40nm SiO2 nano particle plating liquid the haloalkylsulfonanilide compounding and 40 minutes by N1-P-Ti02/Si02 plating layer, the nanometre TiO2 content of g/l, the nanometre SiO2 content of 12g/L, the haloalkylsulfonanilide compounding plates of the magnetic force intermittently stirring, the stirring speed is 160r/min, wherein the stirring time is 8 min, the quiescent period is 4 minutes.

[0062] The drying is room temperature for treating degrees centigrade 1.2h in the furnace.

[0063] embodiment 3:

[0064] The surface treatment method for preparing a step of steel, wherein step, and N1-P layer and medicine for compounding the cleaning treatment in the plating.

[0065] The plating liquid: Weighing the g the hydrate nickel sulphate, sodium 45g hypophosphite, the 45g sodium acetate, lobelia the polylactic acid, preparation And ISHENG the plating liquid. A sulphuric acid is plating liquid IS 5.5 to.

[0066] The purification treatment is performed for the step of steel is a alkali-cleaning, wherein the acid washing water, washing and drying.

[0067] The cold-rolled of the steel after the sandpaper is a, and acetone solution the ultrasonically cleaned 18 min in alcohol and unoiling; the drying at room temperature; Degrees centigrade in the alkali washing alkali-cleaning 8 min, the water wash; The of the cleaning solution of the acid washing I am at room temperature, andA wherein the water wash drying.

[0068] Plate comprises of the centigrade and 180r/min magnetic stirring, plates of 18 minutes.

[0069] After the plating N1-P layer has a step of steel powder and 4mg stabiliser thiocarbamide and number-average active agent cetalkonium the plating liquid of the surface activation;

[0070] The haloalkylsulfonanilide compounding plate comprises a degrees centigrade, and a wherein the surface-modified of the granularity of 35nm~75nm TiO2 and granularity of the 20nm~40nm SiO2 nano particle plating liquid the haloalkylsulfonanilide compounding and 35 minutes by N1-P-Ti02/Si02 plating layer, the nanometre TiO2 content of 10g/L, wherein the nanometre SiO2 content of alkali, the haloalkylsulfonanilide compounding plates of the magnetic force intermittently stirring, the stirring speed is 1800r/min, wherein the stirring time is 7 min, the quiescent period is 3 minutes.

[0071] The drying is room temperature for treating degrees h in muffle - furnace.

[0072] A hardness test; and a step of steel surface of said primary base material, hardness claim I~4 time, friction run-in of reducing 30%~75%.

[0073] The compound of the suspension is: explainThe light embodiment by to explain invention the technical solution, but not limit wherein, although referred to any to embodiment of the detailed explanation to the invention, the joint industrial reconstituted with human to the field is: theA kettle further performing to revise or equate the second to the invention the embodiment, and has been selected from the invention is the range revises one or equates the second, which are covered on the middle of the invention claims a.