CN106820939A - The production technology of composite base pan - Google Patents
The production technology of composite base pan Download PDFInfo
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- CN106820939A CN106820939A CN201710090665.XA CN201710090665A CN106820939A CN 106820939 A CN106820939 A CN 106820939A CN 201710090665 A CN201710090665 A CN 201710090665A CN 106820939 A CN106820939 A CN 106820939A
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- pot
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- bottom sheet
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- composite base
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Cookers (AREA)
Abstract
The invention discloses a kind of production technology of composite base pan, the compound bottom sheet shaping of pot shaping, fine aluminium sheetmolding, stainless steel including stainless steel, butt-joint is compound, hot strike-on, interior rustproof lacquer, handle are installed and packaging and storage step, the bottom of a pan that this production technology is made has preferable thermal conductivity, improved with reaching thermally equivalent and boil effect of preparing food, and while the bottom of a pan is thickened under improve the service life of this pot.
Description
Technical field
The present invention relates to a kind of cooker manufacturing process, more particularly to a kind of production technology of composite base pan.
Background technology
At present, the composite base pan that can be used for electromagnetic oven is mostly mechanical riveted composite bottom boiler, and this composite bottom boiler is to use
Stainless steel double egative film is fixed on bottom of pot body by rivet, because stainless steel double egative film has riveted holes so that can be produced on compound bottom sheet
The effective area of raw vortex is smaller, causes the thermal efficiency relatively low.
The content of the invention
Uniform, the production technology of thermal efficiency composite base pan higher it is an object of the invention to provide a kind of heat conduction.
Above-mentioned technical purpose of the invention technical scheme is that：
A kind of production technology of composite base pan, comprises the following steps：
1）Pot is molded：Use 150T hydraulic press punching stretch formings；
2）Pot is cleaned：
3）Fine aluminium sheetmolding：The fine aluminium piece size of design size is cut out according to bottom of pot body size；
4）Fine aluminium piece is cleaned：
5）The compound bottom sheet shaping of stainless steel：Use the 100T dished compound bottom sheets of hydraulic press punching press；
6）Compound bottom sheet is cleaned：
7）It is preliminary compound：First compound bottom sheet is fixed with fine aluminium piece by butt-joint, fine aluminium piece and pot after it will be fixed with compound bottom sheet
The bottom of body is fixed by butt-joint；
8）Heating：By heating in medium frequency machine heating-up temperature between 520 ~ 550 DEG C；
9）Hot strike-on：Pot after will be compound carries out strike-on on the friction press of 1600T；
10）Whole bottom for the first time：So that bottom of pot body hollow depth is between 0.5 ~ 1.3mm；
11）Pot is successively applied and outer coating treatment by Inner；
12）Handle riveting is installed；
13）Packaging and storage.
By using above-mentioned technical proposal, fine aluminium piece and stainless steel are welded successively using butt-joint mode in the bottom of pot
Compound bottom sheet thicken the bottom of a pan, the heat conduction for having caused the bottom of a pan without riveted holes first on the bottom of a pan is more uniformly distributed, secondly using touching
Weldering is welded to stainless steel double egative film with fine aluminium piece first, then fine aluminium piece and pot are welded, and is caused during butt-joint
Both are heated and reach mecystasis, and heat further by the induction type of intermediate frequency again so that the bottom of a pan is heated evenly, and finally exist
Keep the bottom of a pan, fine aluminium piece and compound bottom sheet three carries out hot strike-on operation under being in perfect plasticity state so that metallic atom
Molecular structure changes, and is combined with each other to form firm welding point, bottom of pot body, fine aluminium piece and stainless steel double
Egative film joint face two-by-two reaches mutually vacuum state, and bond effect reaches splendid, and and then the bottom of pot body after being combined is entered
The whole bottom reason of row causes that fine aluminium piece is same with compound bottom sheet and certain projection can be produced at middle part, and the stress inside elimination is being used
Electromagnetic eddy can outwards be radiated from middle part during electromagnetic oven, further improve the thermal efficiency, and interior rustproof lacquer behaviour is finally carried out to pot
Make so that the bottom of a pan has preferable thermal conductivity to whole pot after fabrication, boil effect of preparing food to reach thermally equivalent raising, and increasing
The service life of this pot is improve under while the thick the bottom of a pan.
Preferably, step 1）Stamping material is formed uniformly first by 46# machine oil oil excessively and on surface before pot shaping
Oil film, excessively oil when stamping material surface must not scratch.
By using above-mentioned technical proposal, the stamping material for forming pot forms oil by the over oil treatment of machine oil on surface
Film so that surface gloss is higher after the stretch, the metallic atom both when butt-joint is carried out with fine aluminium piece is easier to tie
Change on structure, the further caking ability improved after being combined；Secondly the stamping material excessively after oil is more suitable for stretching so that pot
Yield rate after shaping is higher.
Preferably, step 2) in first pass through alkali cleaning for the cleaning of pot after clear water wash off, then after overpickling it is clear
Water-wash away, eventually pass drying operation；Step 4）With step 6）In alkali cleaning is first passed through to fine aluminium piece and compound bottom sheet, then pass through
Clear water is washed off, equally eventually passes drying operation, the wherein concentration of alkali groove between 3.45 ~ 3.65%, the concentration of acid tank 7 ~
Between 8 ‰, using chain drying machine drying temperature between 170 ~ 183 DEG C, chain rotating speed is between 23 ~ 24mm/s.
By using above-mentioned technical proposal, the compound bottom sheet three of the pot, fine aluminium piece and stainless steel of stainless steel is compound
It is preceding by cleaning treatment, improve the glossiness on surface；Wherein surface is improved for pot successively by alkali cleaning through overpickling
Finish oil stain especially on bottom of pot body, for the oil stain that fine aluminium piece and compound bottom sheet mainly remove surface, and control
Concentration in alkaline groove and acid tank is while avoiding by deep-etching, it is ensured that dust removal rate, and chain is utilized after the removal of impurities of surface
Dryer carries out the rotation of drying control drying temperature and chain, improves drying efficiency.
Preferably, in step 5）With step 6）Between also include compound bottom sheet blasting treatment, sprayed automatically using tunnel type
Sand machine, between 3um ~ 5um, chain rotating speed is between 16 ~ 18 mm/s for control compound bottom sheet surface roughness.
By using above-mentioned technical proposal, sandblasting roughening table is carried out to compound bottom sheet first before being cleaned to compound bottom sheet
Face, the dirt on removing surface that first can be preliminary, improves the finish on surface, and next has blasting treatment to improve the coarse of surface
Degree, and then increase contact area when with fine aluminium piece and bottom of pot body butt-joint, improve and bond fixing.
Preferably, in step 10）With step 11）Between also include overall blasting treatment and cleaning operation, overall spray
Sand treatment uses tunnel type automatic sand-blasting machine, and between 3um ~ 5um, chain rotating speed is 16 ~ 18 for control compound bottom sheet surface roughness
Between mm/s, clear water is washed off after first passing through alkali cleaning to entirety after sandblasting, then clear water is washed off after overpickling, eventually passes drying behaviour
Make, alkali groove concentration between 4.3 ~ 5.2 ‰, alkali bath temperature degree be 40 DEG C, acid tank concentration between 6 ~ 7 ‰, drying temperature 170 ~ 183
Between DEG C, chain rotating speed is between 22 ~ 23mm/s.
By using above-mentioned technical proposal, the pot after being combined carries out sandblasting and cleaning treatment again, removes due to heat
The dirt that surface is gathered during strike-on, the finish of holding surface.
Preferably, step 11）In the Inner of pot applied include that primary coat, middle painting and face painting are processed, and heat-agglomerating,
Between 400 ~ 430 DEG C, sintering time is 5 ~ 10 minutes to sintering temperature, and Inner coating layer thicknesses are between 30 ~ 40um.
By using above-mentioned technical proposal, applying constituted Inner coatings by primary coat, middle painting and face can improve in pot
Wearability, inoxidizability, the non-stick pan effect on surface etc., and by sinter control temperature and the time cause three coatings and
Inner surface of pot body more firm two-by-two can be bonded together, and the Inner coatings with 30 ~ 40um being ultimately formed have higher
Combination property.
Preferably, pot is surface-treated first after Inner paintings, the surface treatment includes：
1）Outer sanding：Sanding is carried out to pot side using nylon wheel；
2）Outer sanding：Sanding is carried out to compound bottom sheet using 80 mesh sand paper on the machine of sand bottom；
3）Outer polishing for the first time：In polishing machine upthrow compound bottom sheet side.
By using above-mentioned technical proposal, Inner carries out outer sanding treatment to the surface of pot and facilitates follow-up outer first after applying
The operation of painting, and the finish on compound bottom sheet surface is tentatively improved using outer sanding, then improved finally by outer polishing is further
The finish on compound bottom sheet surface.
Preferably, step 11）Woodgrained paper is enclosed in compound bottom sheet side patch one afterwards, coating is covered.
By using above-mentioned technical proposal, after pot carries out outer coating treatment, coating is covered using woodgrained paper, prevented
Coating is destroyed in subsequent handling is carried out, and lifts the feel on pot surface.
Preferably, pasted after woodgrained paper again to second outer polishing of compound bottom sheet, carried out after second outer polishing outer
Sand bottom, first sanding is carried out on the machine of sand bottom with 46 mesh sand paper to compound bottom sheet, is then being gone over 80 mesh sand paper, finally with 120
Mesh sand paper sanding.
By using above-mentioned technical proposal, after second outer polishing and the sanding treatment incrementally increased with reference to three mesh numbers,
The finish on further lifting surface.
Preferably, carry out second whole bottom after second outer polishing, control bottom of pot body hollow depth 0.5 ~
Between 1.3mm.
By using above-mentioned technical proposal, second depth of whole bottom control bottom of pot body indent after all process steps operation
Degree, it is ensured that the thermal efficiency of bottom of pot body.
In sum, the invention has the advantages that：
1st, the bottom of fine aluminium piece and pot is welded again after the compound bottom sheet of fine aluminium piece and stainless steel is welded in secondary butt-joint
Connect, the pot after being tentatively combined causes that local plasticizing when butt-joint is plastified to comprehensive by heating in medium frequency, finally utilizes
Hot strike-on causes that the molecular structure of metallic atom is changed so that compound more firm, the thermal efficiency is higher；
2nd, by before compound, to the over oil treatment of pot, the soda acid of pot, fine aluminium piece and compound bottom sheet is washed and composite sheet volume
The outer fixing for carrying out the roughness that blasting treatment improves surface, improving compound tense；
3rd, surface smoothness is improved by sandblasting again and cleaning treatment after being combined, and then improves uniformity when Inner is applied, and
The caking ability of coating after three layers of Inner paintings cause coating with reference to the sintering processes of uniform temperature, and enter again in Inner paintings process
Row surface treatment, woodgrained paper improves feel and by coating covering protection coating in laminating, is finally surface-treated again, and two
Improve the thermal conductivity of bottom of pot body in secondary whole bottom.
Brief description of the drawings
Fig. 1 is the exploded perspective view of pot, fine aluminium piece and compound bottom sheet three in embodiment one；
Fig. 2 is the sectional view after pot, fine aluminium piece and compound bottom sheet three are compound in embodiment one.
In figure：1st, pot；2nd, fine aluminium piece；3rd, compound bottom sheet；31st, groove；4th, handle.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Embodiment one
Referring to Fig. 1 and Fig. 2, a kind of aluminum pot with composite bottom includes pot 1 and the handle 4 by being riveted on the side wall of pot 1, in pot
The bottom of body 1 is compounded with fine aluminium piece 2 and compound bottom sheet 3 successively, and wherein compound bottom sheet 3 has groove 31, and fine aluminium piece 2 is housed in groove
In 31, when compound bottom sheet 3 is compound to 1 bottom of pot, fine aluminium piece 2 is covered by compound bottom sheet 3 so that fine aluminium piece 2 is complete with outside
Isolation.Other pot 1 and compound bottom sheet 3 are made of stainless steel.
Described aluminum pot with composite bottom is manufactured especially by following technique：
1）, pot shaping
Aluminium cuts out the aluminium flake of design size size as the manufacture material of pot, and aluminium flake first passes around 46# machine oil and carries out
Over oil treatment so that surface forms one layer of uniform oil film.Aluminium flake is placed into the stretching die of 150T hydraulic presses after over oil treatment
Punching stretch forming is carried out in tool to take the dish out of the pot chaeta base.Pot blank is carried out into trimming treatment so that pot marginal ray slides impulse- free robustness, height
Unanimously.
2）, pot cleaning
Pot after trimming is first placed into in the alkali groove that concentration is 3.52%, the temperature of alkali groove is maintained at 50 DEG C, after alkali cleaning
Pot is put into Rinsing Area and washes away the alkali lye on surface, then put into the acid tank that concentration is 7.5 ‰ pot, pass through
Last the placing into Rinsing Area of pot after pickling washes away surface acid solution, and the pot of cleaning finally is put into chain drying
In machine, the temperature of dryer is set as 175 DEG C, and the rotating speed of chain is between 23 ~ 24mm/s.
3）, fine aluminium sheetmolding
The fine aluminium piece size of design size is cut out according to bottom of pot body size, and indent is carried out to fine aluminium piece using hydraulic press,
Outside dimension is pressed into " ten " font in both ends of the surface in itself to keep fine aluminium piece.
4）, fine aluminium piece cleaning
Fine aluminium piece is first placed into in the alkali groove that concentration is 3.52%, the temperature of alkali groove is maintained at 50 DEG C, by fine aluminium after alkali cleaning
Piece is put into Rinsing Area and washes away the alkali lye on surface, then puts into chain dryer fine aluminium piece, the temperature of dryer
It is set as 175 DEG C, the rotating speed of chain is between 23 ~ 24mm/s.
5）, compound bottom sheet shaping
From stainless steel as the manufacture material of compound bottom sheet, the stainless steel substrates of design size are cut out, stainless steel substrates are placed into
In the mould of 100T hydraulic presses, compound bottom sheet is gone out using punch forming.
6）, compound bottom sheet sandblasting
Compound bottom sheet is put into tunnel type automatic sand-blasting machine, chain speed is maintained between 16 ~ 18 mm/s, finally controls compound bottom sheet
The roughness on surface is 4um.
7）, compound bottom sheet cleaning
Compound bottom sheet is first placed into in the alkali groove that concentration is 3.52%, the temperature of alkali groove is maintained at 50 DEG C, will multiple bottom after alkali cleaning
Piece is put into Rinsing Area and washes away the alkali lye on surface, then puts into chain dryer compound bottom sheet, the temperature of dryer
It is set as 175 DEG C, the rotating speed of chain is between 23 ~ 24mm/s.
8）, it is preliminary compound
Fine aluminium piece and compound bottom sheet are carried out into butt-joint first, and causes that fine aluminium piece is housed in the groove of compound bottom sheet, by fine aluminium piece
Cause that fine aluminium piece, compound bottom sheet are compound on the bottom of pot with the overall same use butt-joint mode that compound bottom sheet is combined.
9）, heating
Pot after being combined is put into heating in medium frequency machine, using Medium frequency induction formula mode of heating to the pot after preliminary being combined
Heated, heating and temperature control is at 525 DEG C.
10）, hot strike-on
Hot strike-on is carried out to the pot after preliminary being combined using the friction press of 1600T, fluting is caused in hot strike-on process
Fine aluminium piece can emit inner air, be the groove that fine aluminium piece fills up compound bottom sheet in a short time, and copper is passed through after hot strike-on
Hammer tap bottom check whether it is full, if it is full can carry out bottom operation, proceed hot strike-on until pot Ru not full
Untill body bottom is full.
11）, whole bottom for the first time
Bottom of pot body after being combined completely is carried out into whole bottom so that bottom of pot body hollow depth reaches 0.5mm.
12）, pot sandblasting and cleaning
Pot behind whole bottom is put into tunnel type automatic sand-blasting machine, chain speed is maintained between 16 ~ 18 mm/s, and cause pot
Body surface surface roughness is 4um.Pot is cleaned after overall sandblasting, is first placed into in the alkali groove that concentration is 4.8 ‰, alkali groove
Temperature be maintained at 40 DEG C, pot is put into Rinsing Area after alkali cleaning washes away the alkali lye on surface, then pot is put into
Be to concentration 6.8 ‰ acid tank in, surface acid solution is washed away through last the placing into Rinsing Area of the pot after overpickling, finally
The pot of cleaning is put into chain dryer, the temperature of dryer is set as 175 DEG C, and the rotating speed of chain is 22 ~ 23mm/s
Between.
13）, Inner apply
Inner painting treatment is carried out to the inner surface of pot body after drying, primary coat, middle painting and face is sequentially passed through and is applied operation, and pot is put
Enter in sintering furnace, keep sintering temperature at 400 DEG C, sintering time is 5 minutes, and the Inner coating layer thicknesses after sintering are 30um.
14）, for the first time be surface-treated
It is surface-treated to completing the pot body outer surface after Inner is applied, outer sanding treatment is carried out using nylon wheel first, then profit
Outer sanding is carried out to the side of compound bottom sheet with sand bottom machine, the sand paper from 80 mesh carries out sanding treatment, finally same using polishing machine
Sample carries out the first outer polishing to the side of compound bottom sheet.
15）, outer painting
The whole outer surface of pot is coated using antioxidizing paint, coating is carried out drying and processing, drying temperature by coating
Ensure that drying time is between 8 ~ 9 minutes at 265 DEG C.
16）, second be surface-treated
A circle woodgrained paper is sticked to completing the compound bottom sheet after applying outward, coating is covered completely.Polishing machine is utilized after having pasted woodgrained paper
Second outer polishing is carried out to compound bottom sheet, sanding is carried out to the side wall of pot using sand bottom machine after the second outer polishing, first
Using the sand paper of 46 mesh, then crossed on one side, finally with the sand paper of 120 mesh with 80 mesh sand paper.
16）, second whole bottom
Whole bottom is carried out to bottom of pot body so that bottom of pot body hollow depth H reaches 0.5mm.
17）, handle riveting install
It is punched out on the side wall of pot first, keeps all holes gone out consistent in height, then by riveting hand
Handle is fixed with pot.
18）, packaging and storage
The pot packaging after handle will be completed to be put into warehouse.
Table 1 below shows the thermal efficiency of composite base pan in the present embodiment
Can be drawn from table 1, no matter using composite base pan in natural gas or electromagnetic oven the present embodiment in short time consumption, energy
Will be smaller than existing composite base pan on the consumption in source, and during especially with electromagnetic oven the present embodiment composite base due to
Especially protruded on hollow depth and the special process for pressing thermal efficiency.
Embodiment two
Difference compared to embodiment one is, step 9）546 DEG C, step 13 are heated to be in heating process）Inner apply operation in,
Sintering temperature is 430 DEG C, and sintering time 9 minutes, Inner applies thickness 40um, step 15）Outer painting operation in, drying temperature is 290
DEG C, drying time 12 minutes.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected by Patent Law in the right of invention.
Claims (10)
1. a kind of production technology of composite base pan, it is characterised in that comprise the following steps：
1）Pot is molded：Use 150T hydraulic press punching stretch formings；
2）Pot is cleaned：
3）Fine aluminium sheetmolding：The fine aluminium piece size of design size is cut out according to bottom of pot body size；
4）Fine aluminium piece is cleaned：
5）The compound bottom sheet shaping of stainless steel：Use the 100T dished compound bottom sheets of hydraulic press punching press；
6）Compound bottom sheet is cleaned：
7）It is preliminary compound：First compound bottom sheet is fixed with fine aluminium piece by butt-joint, fine aluminium piece and pot after it will be fixed with compound bottom sheet
The bottom of body is fixed by butt-joint；
8）Heating：By heating in medium frequency machine heating-up temperature between 520 ~ 550 DEG C；
9）Hot strike-on：Pot after will be compound carries out strike-on on the friction press of 1600T；
10）Whole bottom for the first time：So that bottom of pot body hollow depth is between 0.5 ~ 1.3mm；
11）Pot is successively applied and outer coating treatment by Inner；
12）Handle riveting is installed；
13）Packaging and storage.
2. the production technology of composite base pan according to claim 1, it is characterised in that step 1）Punching press before pot shaping
Material forms uniform oil film first by 46# machine oil oil excessively and on surface, and stamping material surface must not scratch when excessively oily.
3. the production technology of composite base pan according to claim 1, it is characterised in that step 2) in it is clear for pot
Clear water after first passing through alkali cleaning is washed to wash off, then clear water is washed off after overpickling, eventually passes drying operation；Step 4）With step 6）In
Alkali cleaning is first passed through to fine aluminium piece and compound bottom sheet, then is washed off by clear water, equally eventually pass drying operation, wherein alkali groove
Concentration between 3.45 ~ 3.65%, the concentration of acid tank between 7 ~ 8 ‰, using chain drying machine drying temperature 170 ~ 183
Between DEG C, chain rotating speed is between 23 ~ 24mm/s.
4. the production technology of composite base pan according to claim 1, it is characterised in that in step 5）With step 6）Between
Also include compound bottom sheet blasting treatment, using tunnel type automatic sand-blasting machine, control compound bottom sheet surface roughness between 3um ~ 5um,
Chain rotating speed is between 16 ~ 18 mm/s.
5. the production technology of composite base pan according to claim 1, it is characterised in that in step 10）With step 11）It
Between also include overall blasting treatment and cleaning operation, overall blasting treatment uses tunnel type automatic sand-blasting machine, controls compound bottom sheet table
Surface roughness between 3um ~ 5um, between 16 ~ 18 mm/s, wash chain rotating speed after first passing through alkali cleaning to entirety after sandblasting by clear water
Fall, then clear water is washed off after overpickling, eventually passes drying operation, between 4.3 ~ 5.2 ‰, alkali bath temperature degree is 40 to alkali groove concentration
DEG C, between 6 ~ 7 ‰, between 170 ~ 183 DEG C of drying temperature, chain rotating speed is between 22 ~ 23mm/s for acid tank concentration.
6. the production technology of composite base pan according to claim 1, it is characterised in that step 11）In to the Inner of pot
Painting includes primary coat, middle painting and face painting treatment, and heat-agglomerating, and between 400 ~ 430 DEG C, sintering time is 5 ~ 10 to sintering temperature
Minute, Inner coating layer thicknesses are between 30 ~ 40um.
7. the production technology of composite base pan according to claim 6, it is characterised in that enter to pot first after Inner paintings
Row surface treatment, the surface treatment includes：
1）Outer sanding：Sanding is carried out to pot side using nylon wheel；
2）Outer sanding：Sanding is carried out to compound bottom sheet using 80 mesh sand paper on the machine of sand bottom；
3）Outer polishing for the first time：In polishing machine upthrow compound bottom sheet side.
8. the production technology of composite base pan according to claim 1, it is characterised in that step 11）Afterwards in compound bottom sheet side
Face patch one encloses woodgrained paper, and coating is covered.
9. the production technology of composite base pan according to claim 8, it is characterised in that pasted after woodgrained paper again to multiple
Second outer polishing of egative film, outer sand bottom is carried out after second outer polishing, and compound bottom sheet is carried out with 46 mesh sand paper first on the machine of sand bottom
Sanding, is then being gone over, finally with 120 mesh sand paper sandings with 80 mesh sand paper.
10. the production technology of composite base pan according to claim 9, it is characterised in that laggard in second outer polishing
Second whole bottom of row, control bottom of pot body hollow depth is between 0.5 ~ 1.3mm.
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Cited By (9)
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| CN107928383A (en) * | 2017-11-12 | 2018-04-20 | 浙江柯蓝工贸有限公司 | A kind of die casting composite bottom aluminum pot |
| CN108237760A (en) * | 2017-12-25 | 2018-07-03 | 苏州市欧贝遮阳科技有限公司 | A kind of method of the compound redriving piece in metal surface |
| CN108296718A (en) * | 2018-02-06 | 2018-07-20 | 苏州加益不锈钢制品有限公司 | A kind of thermos-cooker production technology |
| CN108851952A (en) * | 2018-09-13 | 2018-11-23 | 应旭昶 | A kind of electric food warmer and its processing method |
| CN109848319A (en) * | 2017-11-30 | 2019-06-07 | 上海冠华不锈钢制品股份有限公司 | The processing technology of pot |
| CN112388248A (en) * | 2019-08-19 | 2021-02-23 | 浙江鸿泰科技有限公司 | Production process of pan |
| CN113102951A (en) * | 2021-04-19 | 2021-07-13 | 永康市德邻美铝业有限公司 | One-step forming method of composite bottom aluminum pot |
| CN113798396A (en) * | 2021-08-23 | 2021-12-17 | 江门市安诺特炊具制造有限公司 | Pot production process |
| US20220279961A1 (en) * | 2019-08-13 | 2022-09-08 | Caniel Industry A.T.G Ltd. | A cooking vessel and a method of producing the same |
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| CN109848319A (en) * | 2017-11-30 | 2019-06-07 | 上海冠华不锈钢制品股份有限公司 | The processing technology of pot |
| CN108237760A (en) * | 2017-12-25 | 2018-07-03 | 苏州市欧贝遮阳科技有限公司 | A kind of method of the compound redriving piece in metal surface |
| CN108296718A (en) * | 2018-02-06 | 2018-07-20 | 苏州加益不锈钢制品有限公司 | A kind of thermos-cooker production technology |
| CN108851952A (en) * | 2018-09-13 | 2018-11-23 | 应旭昶 | A kind of electric food warmer and its processing method |
| CN108851952B (en) * | 2018-09-13 | 2024-03-26 | 应旭昶 | Electric heating pot and processing method thereof |
| US20220279961A1 (en) * | 2019-08-13 | 2022-09-08 | Caniel Industry A.T.G Ltd. | A cooking vessel and a method of producing the same |
| CN112388248A (en) * | 2019-08-19 | 2021-02-23 | 浙江鸿泰科技有限公司 | Production process of pan |
| CN113102951A (en) * | 2021-04-19 | 2021-07-13 | 永康市德邻美铝业有限公司 | One-step forming method of composite bottom aluminum pot |
| CN113798396A (en) * | 2021-08-23 | 2021-12-17 | 江门市安诺特炊具制造有限公司 | Pot production process |
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| CN106820939B (en) | 2018-12-14 |
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