CN103406723A - Manufacturing method of panel of microwave oven chamber - Google Patents
Manufacturing method of panel of microwave oven chamber Download PDFInfo
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- CN103406723A CN103406723A CN201310318170XA CN201310318170A CN103406723A CN 103406723 A CN103406723 A CN 103406723A CN 201310318170X A CN201310318170X A CN 201310318170XA CN 201310318170 A CN201310318170 A CN 201310318170A CN 103406723 A CN103406723 A CN 103406723A
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Abstract
The invention discloses a manufacturing method of a chamber panel of a microwave oven. The manufacturing method comprises the steps as follows: a), steel plate preparation; b), sheet-metal working; c), spraying pretreatment, d), thermal spraying and e), spraying post-treatment. According to the manufacturing method of the chamber panel of the microwave oven, the process arrangement is reasonable, the implementation is simple and convenient, and the manufactured chamber panel has stable microwave reflecting capacity; and at the same time, a surface ceramic material is excellent in aspects of oil resistance, corrosion resistance and high temperature resistance, the chamber panel is convenient to clean, the service life is long, and the practical performance is excellent.
Description
Technical field
The present invention relates to a kind of manufacture method of micro-wave oven furnace chamber panel, relate in particular to the manufacture method of a kind of oil resistant, the micro-wave oven furnace chamber panel that anti-corrosion and resistance to elevated temperatures is superior, belong to the food machinery technical field.
Background technology
Furnace chamber is a microwave cavity, and it is that microwave energy is become to the space that heat energy heats food, and the furnace chamber panel is to be made by the metallic plate of coated nonmagnetic substance.Left side and top at furnace chamber all have air vent, and the microwave in waveguide input furnace chamber carrys out back reflective in the wall of chamber, during microwave propagation, pass food, cause the molecule in food to produce vibration and friction, then produce heat energy, and food is by homogeneous heating.When the design micro-wave oven, the length of side that usually makes furnace chamber is the multiple of 1/2 microwave guide wavelength, when food is heated, can keep resonance in chamber, and resonance range suitably broadens.
Each panel in furnace chamber, except the function with microwave reflection, also must possess good mechanical property.Existing micro-wave oven furnace chamber is mostly stainless steel, especially the ferritic stainless steel of high-quality.This kind material has good plasticity, rustless property and heat resistance, and the microwave reflection ability is higher, but its preparation cost is higher, and the resistance to corrosion of self is poor, and anti-corrosion processing must be carried out in top layer, increases preparation section, has improved the preparation cost of furnace chamber.
Summary of the invention
For the demand, the invention provides a kind of manufacture method of micro-wave oven furnace chamber panel, this manufacture method procedure arrangement is reasonable, is easy to implement, and the panel made has good microwave reflection ability; Simultaneously, the top layer ceramic material has excellent oil resistant, anti-corrosion and resistance to elevated temperatures, has promoted greatly the practicality of furnace chamber panel.
The present invention is a kind of manufacture method of micro-wave oven furnace chamber panel, and this manufacture method comprises the steps: the standby steel plate of a) choosing, b) panel beating, c) spraying pre-treatment, d) thermal spraying, e) spraying post processing.
In a preferred embodiment of the present invention, in described step a), steel plate materials is selected Fine Steel Casting iron or low-carbon alloy steel, and its preparation technology comprises casting, forging and stamping and calendering, and thickness is about 1.2-1.5mm.
In a preferred embodiment of the present invention, in described step b), this operation comprises the cutting out of steel plate, punching press, flanging, trimming, bending, deburring etc.; Left/right panel in furnace chamber and top panel corresponding site all need to stamp out the louvre structure; Left and right and lower panel makes " recessed " type structural member by bending technique; Each steel plate need carry out flanging and punching is processed, and goes out according to matching requirements the pilot hole that aperture is about 5mm.
In a preferred embodiment of the present invention, in described step c), this operation refers to carries out the surface coarsening processing to the surface to be sprayed of steel plate, this roughening treatment mode is blasting treatment, the sand material is selected white fused alumina, and granularity is the 100-150 order, and blasting pressure is controlled at 3-4MPa, the shower nozzle translational speed is 1-1.2m/min, and the surface roughness after roughening treatment is about 6.3-6.8um.
In a preferred embodiment of the present invention, in described step d), hot-spraying technique of the present invention is plasma spray coating process, and spray paint is ceramic; In spraying process, main gas is selected argon gas and nitrogen, and main atmospheric pressure is about 0.7-0.8MPa, and powder feeding gas is selected nitrogen, and pressure is 0.4-0.5MPa, and powder feed rate is 15-20g/min; The ceramic particle of melting is ejected into surface of steel plate with the speed of 200-220m/s, and the thickness of ceramic coating of formation is 0.08-0.12mm.
In a preferred embodiment of the present invention, in described step e), post processing comprises that stress relief annealing is processed and sanding and polishing is processed, and the heating and temperature control of annealing in process, at 500 ℃-550 ℃, is incubated 3-4 hour, the air cooling of coming out of the stove after cooling to 100 ℃-150 ℃ with the furnace; The sanding and polishing treatment process carries out on polishing machine, selected sand paper model is followed successively by No. 1500, No. 1200 and No. 800, and the surface roughness of the panel after processing is about 0.08um.
The present invention has disclosed a kind of manufacture method of micro-wave oven furnace chamber panel, and this manufacture method procedure arrangement is reasonable, is easy to implement, and the furnace chamber panel made has stable microwave reflection ability; Simultaneously, the top layer ceramic material is had outstanding performance in oil resistant, performance aspect anti-corrosion and high temperature resistant, furnace chamber panel easy to clean, and service life is lasting, and Practical Performance is outstanding.
The accompanying drawing explanation
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is the process figure of the manufacture method of embodiment of the present invention micro-wave oven furnace chamber panel.
The specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Fig. 1 is the process figure of the manufacture method of embodiment of the present invention micro-wave oven furnace chamber panel; This manufacture method comprises the steps: the standby steel plate of a) choosing, b) panel beating, c) spraying pre-treatment, d) thermal spraying, e) spraying post processing.
Embodiment 1
The concrete preparation process of the manufacture method of the micro-wave oven furnace chamber panel that the present invention mentions is as follows:
A) the standby steel plate of choosing, steel plate materials is selected 45 steel, and its preparation technology comprises casting, forging and stamping and calendering, and the thickness of selected steel plate is about 1.2mm; Above-mentioned steel plate has good intensity, plasticity and microwave reflection performance, and its cost ratio stainless steel is cheap, can effectively control preparation cost;
B) panel beating, this operation comprise the cutting out of steel plate, punching press, flanging, trimming, bending, deburring etc.; Wherein, the left/right panel in furnace chamber and top panel corresponding site all need to stamp out the louvre structure; Left and right and lower panel is the integral type structural design, makes " recessed " type structure by bending technique; Each steel plate need carry out flanging and punching is processed, and goes out according to matching requirements the pilot hole that aperture is about 5mm;
C) spraying pre-treatment, this operation refers to carries out the surface coarsening processing to the surface to be sprayed of steel plate, to improve the bond strength on spray paint and surface to be sprayed; The roughening treatment mode is blasting treatment, and the sand material is selected white fused alumina, and granularity is 150 orders, and blasting pressure is controlled at 3MPa, and the shower nozzle translational speed is 1m/min, and the surface roughness after roughening treatment is about 6.3um;
D) thermal spraying, hot-spraying technique of the present invention are plasma spray coating process, and spray paint is ceramic material, and the spray paint in the present embodiment is the aluminium oxide ceramics micro mist, and its granularity is about 25-30um; In spraying process, main gas is selected argon gas and nitrogen, and main atmospheric pressure is about 0.7MPa; Powder feeding gas is selected nitrogen, and pressure is 0.45MPa, and powder feed rate is 15g/min; The ceramic particle of melting is ejected into surface of steel plate with the speed of 200m/s, the ceramic coating of formation; The thickness of the ceramic coating after cooling forming is 0.08-0.1mm, and density is 92%-95%, and surface roughness is about 1.25um;
E) spraying post processing, post processing comprise that stress relief annealing is processed and sanding and polishing is processed, and the heating and temperature control of annealing in process, at 500 ℃-550 ℃, is incubated 3-4 hour, the air cooling of coming out of the stove after cooling to 100 ℃-150 ℃ with the furnace; The sanding and polishing treatment process carries out on polishing machine, selected sand paper model is followed successively by No. 1500, No. 1200 and No. 800, and after repeatedly sanding and polishing was processed, the surface roughness of panel was about 0.08um, and panel surface has good fineness.
Embodiment 2
The concrete preparation process of the manufacture method of the micro-wave oven furnace chamber panel that the present invention mentions is as follows:
A) the standby steel plate of choosing, steel plate materials is selected 20Cr, and its preparation technology comprises casting, forging and stamping and calendering, and the thickness of selected steel plate is about 1.4mm; Above-mentioned steel plate has good intensity, plasticity and microwave reflection performance, and its cost ratio stainless steel is cheap, can effectively control preparation cost;
B) panel beating, this operation comprise the cutting out of steel plate, punching press, flanging, trimming, bending, deburring etc.; Wherein, the left/right panel in furnace chamber and top panel corresponding site all need to stamp out the louvre structure; Left and right and lower panel is the integral type structural design, makes " recessed " type structure by bending technique; Each steel plate need carry out flanging and punching is processed, and goes out according to matching requirements the pilot hole that aperture is about 5mm;
C) spraying pre-treatment, this operation refers to carries out the surface coarsening processing to the surface to be sprayed of steel plate, to improve the bond strength on spray paint and surface to be sprayed; The roughening treatment mode is blasting treatment, and the sand material is selected white fused alumina, and granularity is 120 orders, and blasting pressure is controlled at 4MPa, and the shower nozzle translational speed is 1.2m/min, and the surface roughness after roughening treatment is about 6.5um;
D) thermal spraying, hot-spraying technique of the present invention are plasma spray coating process, and spray paint is ceramic material, and the spray paint in the present embodiment is the zirconia ceramics micro mist, and its granularity is about 30-35um; In spraying process, main gas is selected argon gas and nitrogen, and main atmospheric pressure is about 0.8MPa; Powder feeding gas is selected nitrogen, and pressure is 0.5MPa, and powder feed rate is 18-20g/min; The ceramic particle of melting is ejected into surface of steel plate with the speed of 220m/s, the ceramic coating of formation; The thickness of the ceramic coating after cooling forming is 0.1-0.12mm, and density is 92%-95%, and surface roughness is about 1.25um;
E) spraying post processing, post processing comprise that stress relief annealing is processed and sanding and polishing is processed, and the heating and temperature control of annealing in process, at 500 ℃-550 ℃, is incubated 3-4 hour, the air cooling of coming out of the stove after cooling to 100 ℃-150 ℃ with the furnace; The sanding and polishing treatment process carries out on polishing machine, selected sand paper model is followed successively by No. 1500, No. 1200 and No. 800, and after repeatedly sanding and polishing was processed, the surface roughness of panel was about 0.08um, and panel surface has good fineness.
The present invention has disclosed a kind of manufacture method of micro-wave oven furnace chamber panel, is characterized in: this manufacture method procedure arrangement is reasonable, is easy to implement, and the furnace chamber panel made has stable microwave reflection ability; Simultaneously, the top layer ceramic material is had outstanding performance in oil resistant, performance aspect anti-corrosion and high temperature resistant, furnace chamber panel easy to clean, and service life is lasting, and Practical Performance is outstanding.
The above; it is only the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; variation or the replacement that can expect without creative work, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (6)
1. the manufacture method of a micro-wave oven furnace chamber panel, is characterized in that, this manufacture method comprises the steps: the standby steel plate of a) choosing, b) panel beating, c) spraying pre-treatment, d) thermal spraying, e) spraying post processing.
2. the manufacture method of micro-wave oven furnace chamber panel according to claim 1, is characterized in that, in described step a), steel plate materials is selected Fine Steel Casting iron or low-carbon alloy steel, and its preparation technology comprises casting, forging and stamping and calendering, and thickness is about 1.2-1.5mm.
3. the manufacture method of micro-wave oven furnace chamber panel according to claim 1, is characterized in that, in described step b), this operation comprises the cutting out of steel plate, punching press, flanging, trimming, bending, deburring etc.; Left/right panel in furnace chamber and top panel corresponding site all need to stamp out the louvre structure; Left and right and lower panel makes " recessed " type structural member by bending technique; Each steel plate need carry out flanging and punching is processed, and goes out according to matching requirements the pilot hole that aperture is about 5mm.
4. the manufacture method of micro-wave oven furnace chamber panel according to claim 1, it is characterized in that, in described step c), this operation refers to carries out the surface coarsening processing to the surface to be sprayed of steel plate, and this roughening treatment mode is blasting treatment, and the sand material is selected white fused alumina, granularity is the 100-150 order, blasting pressure is controlled at 3-4MPa, and the shower nozzle translational speed is 1-1.2m/min, and the surface roughness after roughening treatment is about 6.3-6.8um.
5. the manufacture method of micro-wave oven furnace chamber panel according to claim 1, is characterized in that, in described step d), hot-spraying technique of the present invention is plasma spray coating process, and spray paint is ceramic; In spraying process, main gas is selected argon gas and nitrogen, and main atmospheric pressure is about 0.7-0.8MPa, and powder feeding gas is selected nitrogen, and pressure is 0.4-0.5MPa, and powder feed rate is 15-20g/min; The ceramic particle of melting is ejected into surface of steel plate with the speed of 200-220m/s, and the thickness of ceramic coating of formation is 0.08-0.12mm.
6. the manufacture method of micro-wave oven furnace chamber panel according to claim 1, it is characterized in that, in described step e), post processing comprises that stress relief annealing is processed and sanding and polishing is processed, the heating and temperature control of annealing in process is at 500 ℃-550 ℃, insulation 3-4 hour, the air cooling of coming out of the stove after cooling to 100 ℃-150 ℃ with the furnace; The sanding and polishing treatment process carries out on polishing machine, selected sand paper model is followed successively by No. 1500, No. 1200 and No. 800, and the surface roughness of the panel after processing is about 0.08um.
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| CN106493515A (en) * | 2016-09-30 | 2017-03-15 | 首钢总公司 | A kind of housing production method |
| CN106584033A (en) * | 2016-12-22 | 2017-04-26 | 杨文举 | Forming method of cavity of microwave oven or toaster |
| CN108655672A (en) * | 2018-08-03 | 2018-10-16 | 杭州金浪机电有限公司 | A kind of integrally formed panel of cooker hood processing technology |
| CN111589632A (en) * | 2020-05-25 | 2020-08-28 | 朱彩云 | Wood processing device capable of rapidly clamping, automatically spraying paint, drying, polishing and rapidly removing dust |
| CN113751960A (en) * | 2020-06-05 | 2021-12-07 | 金华华微智能科技有限公司 | Novel handle panel production process |
| CN116117435A (en) * | 2022-09-30 | 2023-05-16 | 江苏先锋精密科技股份有限公司 | Processing method of power interface panel |
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- 2013-07-26 CN CN201310318170XA patent/CN103406723A/en active Pending
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| CN104599664B (en) * | 2014-12-05 | 2018-02-09 | 城林环保技术（上海）有限公司 | A kind of matrix silencer public attention method made in one piece |
| CN104599664A (en) * | 2014-12-05 | 2015-05-06 | 城林环保技术（上海）有限公司 | Method for integrally manufacturing rectangular wind head of muffler |
| CN106493515B (en) * | 2016-09-30 | 2019-05-24 | 首钢集团有限公司 | A kind of shell production method |
| CN106493515A (en) * | 2016-09-30 | 2017-03-15 | 首钢总公司 | A kind of housing production method |
| CN106584033A (en) * | 2016-12-22 | 2017-04-26 | 杨文举 | Forming method of cavity of microwave oven or toaster |
| CN108655672B (en) * | 2018-08-03 | 2019-10-25 | 杭州金浪机电有限公司 | A kind of integrally formed panel of cooker hood processing technology |
| CN108655672A (en) * | 2018-08-03 | 2018-10-16 | 杭州金浪机电有限公司 | A kind of integrally formed panel of cooker hood processing technology |
| CN110712010A (en) * | 2018-08-03 | 2020-01-21 | 杭州金浪机电有限公司 | Machining process for integrally formed panel of range hood |
| CN111589632A (en) * | 2020-05-25 | 2020-08-28 | 朱彩云 | Wood processing device capable of rapidly clamping, automatically spraying paint, drying, polishing and rapidly removing dust |
| CN111589632B (en) * | 2020-05-25 | 2021-06-04 | 湖南森香木业有限公司 | Wood processing device capable of rapidly clamping, automatically spraying paint, drying, polishing and rapidly removing dust |
| CN113751960A (en) * | 2020-06-05 | 2021-12-07 | 金华华微智能科技有限公司 | Novel handle panel production process |
| CN116117435A (en) * | 2022-09-30 | 2023-05-16 | 江苏先锋精密科技股份有限公司 | Processing method of power interface panel |
| CN116117435B (en) * | 2022-09-30 | 2023-11-21 | 江苏先锋精密科技股份有限公司 | Processing method of power interface panel |
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Application publication date: 20131127 |