CN1100344A - Surface treatment method providing metal cooker surface with high hardness and non-stickness - Google Patents
Surface treatment method providing metal cooker surface with high hardness and non-stickness Download PDFInfo
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- CN1100344A CN1100344A CN 93117532 CN93117532A CN1100344A CN 1100344 A CN1100344 A CN 1100344A CN 93117532 CN93117532 CN 93117532 CN 93117532 A CN93117532 A CN 93117532A CN 1100344 A CN1100344 A CN 1100344A
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Abstract
The said surface treatment method includes three steps, i.e., the first step of surface cleaning and roughening via high-pressure alumina spraying, the second step of coating electrically-smolten material and the third step of coating PTFE layer to form at least one PTFE layer via high-pressure PTFE spray and high- temp. roast.
Description
The invention relates to that a kind of metal cooker surface that makes has high rigidity, the surface treatment method of characteristic such as being stained with property not.
The application's original application people to Patent Office of the People's Republic of China's submit applications case number has been No. 01904860.7 patent application case in 07 month 21 days nineteen ninety, described application once disclosed a kind of working substance (as the metal pan body) surface that makes and had high rigidity, the surface treatment method of characteristic such as being stained with property not, possessing has aluminum hydride to supply with mechanical, electrical molten machine, Teflon (PTFE) supply machine, and above-mentioned material is finished the working substance of processing processing etc. comprehensively in its surface.And described invention is characterised in that: at working substance surface high-pressure (5-8Kg/cm
2More than) aluminium oxide (60#-80#) spray treatment, make working substance reach cleaning surfaces, alligatoring is a first step; Make electric smelting wire rod metal, (metal material is to can be the wire rod that copper, zinc, chromium, aluminium, carbon steel and stainless steel treat that alloy is made) imposes high temperature (4500-8000 ℃) high pressure (5-8Kg/cm
2) electric arc electric current and voltage (DC30V-40V, 100A-300A) under the melting state with 10
6The cooling velocity of DGE/F/sec is coated on the working substance surface, is second step so as to forming the ground floor electric smelting wire rod coat that strengthens the working substance case hardness; With working substance surface high-pressure (4Kg/cm
2) Teflon (PTFE) spraying, more in addition high temperature (420 ℃/5min) burn till, being stained with property and the coat that can more strengthen hardness are not third step to make the working substance surface be formed with the above Teflon (PTFE) of one deck at least.
The design of former first to file makes that really working substance (as the metal pan body) surface has high rigidity, being stained with property is not treated the surface of rerum natura, but, after former conceptual design begins commercialization, the invention people can more ideally implement when the actual product for making Teflon (PTFE) coat, the inventor is the long-pending experience of more than 10 years Teflon (PTFE) Surface Machining being handled, and, produce this new invention through after the test of many times.
Main purpose of the present invention is that a kind of surface treatment method is being provided, and implements spraying at the Teflon coat after the commercialization, and makes the working substance surface have high rigidity, characteristic such as being stained with property not.
The present invention is described in detail below in conjunction with drawings and Examples;
Shown in Figure 1 is the first step schematic diagram of preferred embodiment of the present invention.
Shown in Figure 2 is the second step schematic diagram of preferred embodiment of the present invention.
Shown in Figure 3 is the third step schematic diagram of preferred embodiment of the present invention.
Shown in Figure 4 is the teflon layer spraying schematic diagram of preferred embodiment of the present invention.
Shown in Figure 5 is another schematic diagram of third step of a preferred embodiment of the present invention.
See also Fig. 1 and be shown in the first step schematic diagram of preferred embodiment of the present invention, Fig. 1 demonstration is carried out the action of aluminium oxide spraying to a working substance (following is the example explanation with metal pan body 1 all) surface, make that the surface roughness of metal pan body 1 is that 4.5-5.5 μ m(is meant center line average boldness value Ra after the aluminium oxide spraying), described metal pan body 1 is a pot body of having forged casting or other machining process moulding, and its material is metal (as iron, steel, copper and an aluminium etc.).
See also Fig. 1, at first, connect jet pipe 3 by producing compressed-air actuated high-pressure air source 2, the upper limb appropriate location of described jet pipe 3 connects and holds that to receive granularity be the funnel 31 of the Powdered aluminium oxide 4 of 60#-80#, spurting of described jet pipe 3 keeps a suitable distance between mouth 32 and working substance 1 surface, continue to discharge high pressure (5-8Kg/cm via high-pressure air source 2
2) the related Powdered aluminium oxide 4 of air is from spout 32 bump metal pan bodies 1 surface of jet pipe 3, thereby make metal pan body 1 cleaning surfaces and alligatoring (spraying attached Ra is 4.5-5.5 μ m), be beneficial to the enforcement of next step.Dusty spray shape aluminium oxide 4 mainly is for reaching surface coarsening, degreasing and clean, and the cohesive force of coating and adhesive force can increase substantially because of this specific rugosity Ra value after making, otherwise will have influence on the later coating and the mechanical strength of finished product.
See also Fig. 2 again and be shown in the second step schematic diagram of preferred embodiment of the present invention, when metal pan body 1 surface behind above-mentioned cleaning surfaces and roughening treatment, continue by high temperature (4500-8000 ℃) high pressure (5Kg/cm
2-8Kg/cm
2) 5 pairs of metal pan body 1 surfaces of arcing device carry out cure process, described arcing device 5 also is communicated with high voltage source 2, and form for two electric smelting wire rod 6(and can be metal wire rod) be delivered to two passages 51 that electric arc produces mouthful, 52, and two electric smelting wire rods 6 are imported DC30V-40V simultaneously therebetween, the electric current of 100A-300A, under the melting state, two electric smelting wire rods 6 are delivered to electric arc one by one and produce mouth 53 via roller set 54, at this moment, because two electric smelting wire rods 6 are all connected DC30V-40V are arranged, the electric current of 100A-300A, therefore, when two electric smelting wire rods 6 move closer to, will cause electric arc electric arc effect and produce temperature up to 4500-8000 ℃ (certainly, this temperature can be carried out suitable adjustment according to the material of wire rod).Under this high temperature, two electric solvus materials 6 will be become liquid by melting, and cooperation is sprayed at the electric smelting wire rod 6 of liquid state by the gases at high pressure of high-pressure air source 2 confessions the surface of metal pan body 1, described electric arc produces mouthful 53 distances to metal pan body 1 and is about 20-50cm, and its spray speed is about 100m-300m/sec.
See also shown in Figure 2ly, metal pan body 1 surface after cleaning surfaces and the roughening treatment makes it help adhering to of liquid electric smelting wire rod 6, and the electric smelting wire rod 6 of the state of melting simultaneously makes it have 10 from its port of export to the distance that is sprayed at metal pan body 1
6The cooling velocity of DGE//sec, and under the condition of this cooling velocity, usually can make that the surface temperature of metal pan body 1 is roughly to spend between 150 degree between Celsius 60, and said temperature is never as for making metal pan body 1 produce distortion, even metal sheet can not be out of shape yet.The above-mentioned ground floor electric smelting wire rod coat 11 that is coated in metal pan body 1 surface, can make metal pan body 1 become the main cause that strengthens case hardness behind the formal product exactly, described hardness is also decided according to the material of electric smelting wire rod 6 simultaneously, and the material of above-mentioned electric smelting wire rod is that metal is (as copper, zinc, nickel, chromium, aluminium, carbon steel and stainless steel etc.), and above-mentioned various metal materials all can be melted under 4500 ℃ temperature easily, in addition, metal pan body 1 behind spraying electric smelting wire rod coat 11, its centerline average boldness value is 5.0-8.0 μ m, and the thickness of its electric smelting wire rod coating is 40-90 μ m.
Fig. 3 is the third step schematic diagram of preferred embodiment of the present invention, and Fig. 4 is a teflon layer spraying schematic diagram, as seen from the figure, after metal pan body 1 surface is strengthened handling through electric smelting wire rod coat 11 hardness, continuation is by taking up Teflon 7(PTFE) jet pipe 8 similarly link aforesaid high-pressure air source 2, and ground floor teflon layer 71(PTFE is carried out on metal pan body 1 surface) spraying.At this moment, metal pan body 1 surface can require to be heated to 90-100 ℃, then about 5-10 minute of time, make Teflon 7(PTFE) be dry shape attached to metal pan body 1 surface, form ground floor Teflon (PTFE) coat 71(and be commonly called as PRIMER COATING), and the material that relevant this layer the sprayed higher Teflon resin (FLUOROCARBON RESIN) that is content, secondly then be adhesive agent (BINDER RESIN), moreover be the colouring agent (PIGMENT) and interfacial agent (SURFACE ACTIVE) of trace, and the composition ratio of above each material is about 30-40% altogether, remaining composition is solvent (SOLVENT, as water), and the thickness of this coating is about 5-10 μ m.
Fig. 5 is the schematic diagram of the third step of preferred embodiment of the present invention, as seen from the figure, again second layer teflon layer 72(PRFE is carried out on metal pan body 1 surface) spraying (being commonly called as TOP COATING).At this moment, metal pan body 1 surface will be heated to 90-100 ℃ too, then about 5-10 minute simultaneously, make Teflon 7(PTFE) be dry shape and attached to metal pan body 1 surface, form second layer Teflon (PTFE) coat 72, and the material that this layer the sprayed higher Teflon resin (FLUORO-CARBON RESIN) that is content, secondly then be the colouring agent (PIGMENT) and interfacial agent (SURFACE ACTIVE) of trace, and the about altogether 40-50% of the composition ratio of following each material, remaining composition is solvent (SOLVENT, as water), but this layer there is no the composition of adhesive agent (BINDER RESIN), and the thickness of this coating is about 15-20 μ m.
At last the 3rd layer of teflon layer 73(PTFE carried out on metal pan body 1 surface) spraying (being commonly called as CLEAR COATING), at this moment, metal pan body 1 surface then must promote and be heated to 400-420 ℃, then about 3-5 minute of time, make Teflon 7(PTFE) be dry shape attached to metal pan body 1 surface, form the 3rd layer of Teflon (PTFE) coat 73, and the material that this layer the sprayed higher Teflon resin (FLUOROCARBONRESIN) that is content, secondly then be the interfacial agent (SURFACE ACTIVE) of trace, and the composition ratio of above each material is about below 60% altogether, remaining composition is solvent (SOLVENT, as water), but this layer there is no the composition of colouring agent (PIGMEN) and adhesive agent (BINDER RE-SIN), and the thickness of this coating is about 3-6 μ m, the outer average boldness value of center line after mode applies according to this is 2.5-5.5 μ m, and the gross thickness that applies is 23-36 μ m, the hardness on described metal pan body 1 surface maintains 8H-9H simultaneously, and be higher than general 2H-3H, and also can make metal pan body 1 surface have not being stained with property really.
And in the so-called above-mentioned coating material; the maximum persons of composition are Teflon resin (FLUOROCARBON RESIN); colouring agent (PIGMENT) is for Teflon resin (FLUOROCARBON RESIN); its content is atomic; and interfacial agent (SURFACE ACTIVE) is identical with colouring agent (PIGMENT) content or can be relative trace; and in order to improve the adherence to metal pan body 1; except Teflon resin (FLUOROCARBON RESIN); usually can add aforesaid adhesive agent (BINDER RESIN), its content is in below 1/3 of Teflon resin (FLUOROCARBON RESIN).
In sum, adopt step of the present invention can implement to make metal pan body 1 surface to form multilayer Teflon (PTFE) coat continuously.And described Teflon (PTFE) coat is the recessed crack that can infiltrate aforementioned electric fuse material coat surface fully, and by the support of the hard plastid of electric smelting wire rod coating, and then the tack and the hardness of promoting whole Teflon (PTFE) coat, can be as for the hardness test value and record by the pencil hardness tester that is common in the market or steel hardness-testing device, no longer described in detail at this.
So from above implementation step explanation as can be known, the present invention can produce following advantage and effect:
1. for general metal, the hardness that non-metal article all can utilize the present invention to strengthen article surface reaches not being stained with property, and the utilization scope is very extensive.
2. implement HTHP electrical fuse material and apply, the hardness of article, corrosion resistance are improved greatly.
3. Teflon (PTFE) coat of additional continuous multilayer makes article not only have smooth surface, more can cooperate the external friction of above-mentioned electric smelting wire rod coat opposing and have not being stained with property, and extend service life.
4. not the being stained with property of greasy dirt is strong, and convenient the cleaning safeguarded easily.
Claims (6)
1, a kind of working substance surface that makes has high rigidity, the surface treatment method of characteristic such as being stained with property not, and possess has aluminium oxide to supply with mechanical, electrical molten machine, Teflon (PTFE) supply machine and above-mentioned material to finish the working substance that processing is handled on its surface comprehensively; Described method comprises respectively working substance surface high-pressure aluminium oxide spray treatment, makes working substance reach the first step of cleaning surfaces, alligatoring; The electric smelting wire rod evenly is coated on second step of the ground floor electric smelting wire rod coat on working substance surface; And with Teflon (PTFE) spraying of working substance surface high-pressure, impose proper temperature again and burn till, make the working substance surface be formed with the third step of above Teflon (PTFE) coat of one deck at least; It is characterized in that: the process of teflon layer (PTFE) spraying is carried out on described working substance surface, be earlier the working substance surface to be heated to 90-100 ℃, then about 5-10 minute of time, make Teflon (PTFE) be attached to the working substance surface with being dry shape, form one deck Teflon (PTFE) coat (being commonly called as PRIMERCOA-TING), and the material that this layer the sprayed higher Teflon resin (FLUOROCARBON RESIN) that is content, secondly be adhesive agent (BINDERRESIN), and the colouring agent (PIGMENT) of trace and interfacial agent (SURFACE ACTIVE), and the composition ratio of above each material is about 30-40% altogether, remaining composition is a solvent, and the thickness of this coating is about 5-10 μ m.
2, the working substance surface that makes according to claim 1 has high rigidity.The surface treatment method of characteristic such as being stained with property not, it is characterized in that: through the working substance after the described step process, its center line average boldness value is 4.5-5.5 μ m.
3, the working substance surface that makes according to claim 1 has high rigidity, the surface treatment method of characteristic such as being stained with property not, it is characterized in that: also can carry out second layer teflon layer (PTFE) spraying (being commonly called as TOPCOATING) to the working substance surface again, at this moment, the working substance surface will be heated to 90-100 ℃ too, then about 5-10 minute of time, make Teflon (PTFE) be attached to the working substance surface with being dry shape, form second layer Teflon (PTFE) coat, and this layer sprays attached material is the higher PTFE resin of content (FLUOROCARBON RESIN), secondly be the colouring agent (PIGMGNT) and interfacial agent (SURFACE AC-TIVE) of trace, and the composition ratio of above each material is about 40-50% altogether, remaining composition is a solvent, and the thickness of this coating is about 15-20 μ m.
4, the working substance surface that makes according to claim 3 has high rigidity, the surface treatment method of characteristic such as being stained with property not, it is characterized in that: the working substance after described second layer teflon layer (PTFE) spraying step process, its centerline average boldness value is 5.0-8.0 μ m, and the thickness of its electric smelting wire rod coat is 40-90 μ m.
5, the working substance surface that makes according to claim 3 has high rigidity, the surface treatment method of characteristic such as being stained with property not, it is characterized in that: after described second layer teflon layer (PTFE) spraying, also can carry out the 3rd layer of teflon layer (PTFE) spraying (being commonly called as CLEAR COATING) to the working substance surface again, at this moment, the working substance surface must promote and be heated to 400-420 ℃, about 3-5 of time minute, make Teflon (PTFE) be attached to the working substance surface with being dry shape, form the 3rd layer of Teflon (PTFE) coat, and the material that relevant this layer the sprayed higher Teflon resin (FIUOROCARBON RESIN) that is content, secondly be the interfacial agent (SURFACE ACTIVE) of trace, and the composition ratio of above each material is about below 60% altogether, remaining composition is a solvent, and the thickness of this coating is about 3-6 μ m.
6, the working substance surface that makes according to claim 5 has high rigidity, the surface treatment method of characteristic such as being stained with property not, it is characterized in that: described through the working substance after the 3rd layer of teflon layer (PTFE) the spraying step process, its centerline average boldness value is 2.5-5.5 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93117532 CN1100344A (en) | 1993-09-15 | 1993-09-15 | Surface treatment method providing metal cooker surface with high hardness and non-stickness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93117532 CN1100344A (en) | 1993-09-15 | 1993-09-15 | Surface treatment method providing metal cooker surface with high hardness and non-stickness |
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| Publication Number | Publication Date |
|---|---|
| CN1100344A true CN1100344A (en) | 1995-03-22 |
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ID=4992053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93117532 Pending CN1100344A (en) | 1993-09-15 | 1993-09-15 | Surface treatment method providing metal cooker surface with high hardness and non-stickness |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1060227C (en) * | 1997-04-29 | 2001-01-03 | 蔡东宏 | Surfacing method to obtain high hardness, nonstickness and corrosion resistance |
| CN1060226C (en) * | 1997-04-29 | 2001-01-03 | 蔡东宏 | Surfacing method of making metal pot have high hardness, corrosion resistance and nonstickness |
| CN1064564C (en) * | 1995-03-30 | 2001-04-18 | 蔡东宏 | Processing method for workpiece surface treated with high hardness and non-adhesion properties |
| CN101332452B (en) * | 2007-06-29 | 2011-07-13 | 兄弟工业株式会社 | Aerosol-generting apparatus, film-forming apparatus, and aerosol-generating method |
| CN102797704A (en) * | 2012-09-14 | 2012-11-28 | 宜章县欧奕尔家电制造有限公司 | Washing-free oil-repellent range hood impeller |
| CN103894334A (en) * | 2014-04-04 | 2014-07-02 | 天津瑞唐涂装科技有限公司 | Teflon paint coating method |
-
1993
- 1993-09-15 CN CN 93117532 patent/CN1100344A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1064564C (en) * | 1995-03-30 | 2001-04-18 | 蔡东宏 | Processing method for workpiece surface treated with high hardness and non-adhesion properties |
| CN1060227C (en) * | 1997-04-29 | 2001-01-03 | 蔡东宏 | Surfacing method to obtain high hardness, nonstickness and corrosion resistance |
| CN1060226C (en) * | 1997-04-29 | 2001-01-03 | 蔡东宏 | Surfacing method of making metal pot have high hardness, corrosion resistance and nonstickness |
| CN101332452B (en) * | 2007-06-29 | 2011-07-13 | 兄弟工业株式会社 | Aerosol-generting apparatus, film-forming apparatus, and aerosol-generating method |
| CN102797704A (en) * | 2012-09-14 | 2012-11-28 | 宜章县欧奕尔家电制造有限公司 | Washing-free oil-repellent range hood impeller |
| CN103894334A (en) * | 2014-04-04 | 2014-07-02 | 天津瑞唐涂装科技有限公司 | Teflon paint coating method |
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