WO2016078359A1 - Poêle anti-adhésive - Google Patents

Poêle anti-adhésive Download PDF

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Publication number
WO2016078359A1
WO2016078359A1 PCT/CN2015/078583 CN2015078583W WO2016078359A1 WO 2016078359 A1 WO2016078359 A1 WO 2016078359A1 CN 2015078583 W CN2015078583 W CN 2015078583W WO 2016078359 A1 WO2016078359 A1 WO 2016078359A1
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Prior art keywords
peak
peaks
trough
coating
stick
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PCT/CN2015/078583
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English (en)
Chinese (zh)
Inventor
方成
程强
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方成
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Priority claimed from CN201410668823.1A external-priority patent/CN104739218B/zh
Application filed by 方成 filed Critical 方成
Publication of WO2016078359A1 publication Critical patent/WO2016078359A1/fr

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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
    • 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

Definitions

  • the invention relates to a non-stick pan.
  • Chinese patent CN103230216 discloses a non-stick pan, the non-stick pan includes a grain on the surface of the pan body, and the grain region includes a plurality of spaced apart regions, and the grain region includes a plurality of spaced ridges and a plurality of grooves, ridges and grooves.
  • the surface is provided with a non-stick layer, the ridge has a ridge top surface, and the groove has a groove bottom surface.
  • the non-stick layer is not easily scratched and peeled off, and can maintain relatively long-lasting non-stick properties.
  • the non-stick pan is provided with a plurality of ridges on the inner surface of the pot, so that the spatula is only in contact with the non-stick layer at the ridge, and the non-stick layer in the groove is effectively protected from scratching and peeling to increase the pot body. Wear resistance and scratch resistance; in actual use, the spatula is in contact with the ridge for a long time, and the top of the ridge and the spatula are in contact with a large area and high frequency, and the non-stick layer on the surface is easily scratched and peeled off.
  • the non-stick layer When the non-stick layer is scratched, the non-stickiness at the top of the ridge is rapidly reduced, and the wear resistance is also greatly reduced, while the spatula continues to perform rapid and high-strength friction, so that the ridge top is quickly smoothed. It tends to be flat, and its plane area is continuously enlarged. Finally, the inner surface of the pot forms a grain surface composed of a plurality of planes and edges.
  • the non-stick layer at the bottom of the groove is basically ineffective, and the food is equivalent to covering one.
  • the non-stick performance is greatly reduced or even disappeared; after using for a period of time, the non-stick layer at the bottom of the groove gradually falls off, and a large number of obvious scratches are visible, and the service life is not significant.
  • the side wall of the ridge has a large slope and is a smooth surface. Although a certain roughness is provided on the surface thereof, the non-stick coating easily flows to the bottom of the groove during spraying, and the adhesion is not high, and it is easy to affect the surface. The consistency of the adhesive layer.
  • the present invention provides a non-stick pan which can effectively improve the service life of the non-stick layer and the uniform thickness of the non-stick coating.
  • a non-stick pan comprising a pot body having a textured surface on the inner surface, the outer surface of the grain region being coated with a non-stick coating, the grain region including the interval arrangement a first peak and a first trough formed between adjacent first peaks, the top of the first peak arching outward to form a second peak, the sidewall of the first peak being recessed inward to form a second The trough and the second peak, the second peak located at the top and the second peak located at the sidewall form the second trough; the second peak is formed with a pitch of 0.2-0.4 mm and a depth of 0.08- a third peak of 0.1 mm, a third trough formed between adjacent third peaks; at least three of said third peaks are formed on the second peak at the top, and the third peak located in the middle is higher than the two sides Third peak; first peak, first trough, first The two peaks, the second trough, and the third peak
  • the radius R of the arcuate structure of the third peak and the third trough is 40-100 mm.
  • the spacing L1 between the adjacent first peaks is 1.5-2.0 mm.
  • the vertical distance H2 between the second peak located at the highest point and the second trough located at the lowest point is 0.08-0.1 mm.
  • the roughness Rz of the third peak and the third trough outer surface is 35-70 ⁇ m.
  • the invention also discloses a non-stick processing process, comprising the following steps:
  • Shot blasting is applied to the inner surface of the pot by shot blasting machine: firstly, stainless steel pellets with a diameter of 1.2 mm are selected, and the inner surface of the pot is pre-blasted for 5-8 s under the centrifugal force of a power of 11 kW motor.
  • the surface is formed with a first peak and a first trough in a sinusoidal state with a peak pitch of 1.5-2 mm and a depth of 0.6-0.8 mm.
  • a stainless steel pellet having a diameter of 0.8 mm is selected, and the power is 7.5 KW motor, The inner surface of the pot was deepened and shot blasted for 10-15 s to form a second peak and a second trough with a peak spacing of 0.8-1.2 mm and a depth of 0.3-0.5 mm. Finally, a stainless steel shot with a diameter of 0.4 mm was selected at a power of 5.5. Under the centrifugal force of the kw motor, the inner surface of the pot is finely shot blasted for 20-30 s to form a third peak and a third trough with a peak spacing of 0.2-0.4 mm and a depth of 0.08-0.1 mm; Shot blasting inner surface;
  • Sand blasting using compressed air of 0.5-0.7 MPa, spraying the high-speed jet of 40 mesh or 60 mesh to spray the high-speed spray onto the inner surface of the pot;
  • Spray coating spray PTFE coating or phenyl silicone coating on the surface of the pot, and bake at 380 ⁇ 440 ° C or 250 ⁇ 300 ° C for 10 minutes, the film thickness is 25 ⁇ 35um;
  • Hard oxidation treatment using a concentration of 200g / L of sulfuric acid, at a temperature of -2 ⁇ 2 ° C, with a voltage of 30 ⁇ 70V, current density of 2 ⁇ 3A / dm2 pulse power supply for 20 to 30 minutes to form 35um The above hard oxide film;
  • Spray coating After hard oxygen is applied, the PTFE coating is sprayed and baked at a temperature of 380 to 440 ° C for 10 minutes to form a non-stick coating having a thickness of 30 to 45 ⁇ m.
  • the SCD degreasing powder having a concentration of 5% is first degreased at a pH of 13 and at a temperature of 40 to 50 ° C to remove surface oil and scale; after washing with water, the concentration is 3 ⁇ 5% SCD polish, in At room temperature, the pH is 2 to 3 for neutralization, and finally the water is washed and then dried.
  • the hot bottoming step is: firstly pressing the 0.5 mm thick 430 stainless steel intact non-porous steel sheet to the heated by heating the pot body to 380-420 ° C by the impact force of the friction pressure of 2000T-2500T. On the outer surface of the pot, press the stainless steel sheet to the bottom of the aluminum pan to fully combine the steel sheet and the bottom of the pot.
  • the non-stick pan is subjected to three shot blasting treatments, and the inner surface of the pot is subjected to multiple extrusions and impacts, and finally formed, and the deformation and strength of the pot body material are strengthened by using multiple deformations; and after the strength and hardness of the base material itself are improved, Combined with hard oxidation, the anti-wear ability of the non-stick coating is further improved, and the strength increase can be achieved by 50%; the inner surface of the pot is subjected to three shot blasting treatments to form particles and grooves of special structure, that is, in a larger arc.
  • a plurality of smaller curved spherical surfaces and curved grooves are formed on the spherical surface structure, which facilitates the adhesion of the non-stick coating to the side walls of the particles, reduces the fluidity of the particles, and ensures that the surface of the entire non-stick layer is uniform.
  • the particles of the special structure on the inner surface of the pot form an approximately smooth surface of the continuous arcuate structure, and there is substantially no complete plane at the top of the particle to directly contact the food (because the large area of the plane is easy Damaged by hard food and spatula, it is easy to form visible scratches and abrasions), while not forming obvious turns and corners, by forming multiple on larger curved surfaces
  • the smaller curved spherical structure constitutes multi-point protection, even if the curved arc of the highest point is worn, then a new curved spherical surface will be used as the new highest point, and the spatula and food are always in point contact, Multi-coating is effectively protected, extending the useful life of the non-stick layer in the true sense.
  • Fig. 1 is a schematic view showing the surface change of the invention after three times of shot blasting.
  • FIG. 2 is a schematic cross-sectional view of a non-stick pan of the present invention.
  • Figure 3 is a partial enlarged view of A of Figure 2 (non-stick coating is not shown).
  • Figure 4 is a partial enlarged view of Figure 3 (showing a non-stick coating).
  • Figure 5 is a magnified view of the final surface simulation of the pot body of the present invention.
  • Fig. 6 is a second enlarged view of the final surface of the pot body of the present invention.
  • a non-stick pan includes a pot body 10 having a textured surface on an inner surface thereof, and an outer surface of the grain region is coated with a non-stick coating layer 40, and the grain region includes a plurality of spaced intervals.
  • radius R of the arcuate structure of the third peak and the third trough is 40-100 mm.
  • a spacing L1 between the adjacent first peaks is 1.5-2.0 mm.
  • the vertical distance H2 between the second peak located at the highest point and the second trough located at the lowest point is 0.08-0.1 mm.
  • the roughness Rz of the third peak and the third trough outer surface is 35-70 ⁇ m.
  • the above non-stick processing process includes the following steps:
  • Shot blasting is applied to the inner surface of the pot by shot blasting machine: firstly, stainless steel pellets with a diameter of 1.2 mm are selected, and the inner surface of the pot is pre-blasted for 5-8 s under the centrifugal force of a power of 11 kW motor. The surface is formed with a first peak and a first trough in a sinusoidal state with a peak pitch of 1.5-2 mm and a depth of 0.6-0.8 mm. Then, a stainless steel pellet having a diameter of 0.8 mm is selected, and the power is 7.5 KW motor, The inner surface of the pot is deepened and shot blasted for 10-15 s.
  • a second peak and a second trough having a peak spacing of 0.8-1.2 mm and a depth of 0.3-0.5 mm are formed; finally, the diameter is selected.
  • the inner surface of the pot is finely shot blasted for 20-30s to form a third peak with a peak spacing of 0.2-0.4mm and a depth of 0.08-0.1mm. And a third trough; eventually forming a blasting inner surface having a flow linearity;
  • Sand blasting using compressed air of 0.5-0.7 MPa, spraying the high-speed jet of 40 mesh or 60 mesh to spray the high-speed spray onto the inner surface of the pot;
  • Spray coating spray PTFE coating or phenyl silicone coating on the surface of the pot, and bake at 380 ⁇ 440 ° C or 250 ⁇ 300 ° C for 10 minutes, the film thickness is 25 ⁇ 35um;
  • Hard oxidation treatment using a concentration of 200g / L of sulfuric acid, at a temperature of -2 ⁇ 2 ° C, with a voltage of 30 ⁇ 70V, current density of 2 ⁇ 3A / dm2 pulse power supply for 20 to 30 minutes to form 35um The above hard oxide film;
  • Spray coating After hard oxygen is applied, the PTFE coating is sprayed and baked at a temperature of 380 to 440 ° C for 10 minutes to form a non-stick coating having a thickness of 30 to 45 ⁇ m.
  • the SCD degreasing powder having a concentration of 5% is first degreased at a pH of 13 and at a temperature of 40 to 50 ° C to remove surface oil and scale; after washing with water, the concentration is 3 ⁇ 5% SCD polishing agent, neutralized at room temperature, pH 2 ⁇ 3, and finally washed with water and dried.
  • the hot bottoming step is: firstly pressing the 0.5 mm thick 430 stainless steel intact non-porous steel sheet to the heated by heating the pot body to 380-420 ° C by the impact force of the friction pressure of 2000T-2500T. On the outer surface of the pot, press the stainless steel sheet to the bottom of the aluminum pan to fully combine the steel sheet and the bottom of the pot.
  • the inner surface of the pot is pressed and impacted several times, and finally formed, and the deformation and strength of the pot material are strengthened by using multiple deformations; and the strength and hardness of the base material are improved, and then combined with hard Oxidation further improves the anti-wear ability of the non-stick coating, and can achieve 50% strength improvement; the inner surface of the pot is subjected to three shot blasting treatments to form particles and grooves of special structure, that is, on a large curved spherical structure.
  • a plurality of smaller curved spherical surfaces and curved grooves are formed, which facilitates adhesion of the non-stick coating to the side walls of the particles, reduces the fluidity of the particles, and ensures better surface uniformity of the entire non-stick layer;
  • a plurality of specially structured particles on the inner surface of the pot form an approximately smooth surface of a continuous curved surface structure, and there is substantially no complete plane at the top of the particle to directly contact the food (because the large area of the plane is easily eaten by the hard food) Damaged by the spatula, it is easy to form visible scratches and wear), while not forming obvious turns and corners, by forming a plurality of smaller arcs on the larger curved surface
  • the spherical structure constitutes multi-point protection.
  • the processing process includes the following steps:
  • Shot blasting is applied to the inner surface of the pot by shot blasting machine: firstly, stainless steel pellets with a diameter of 1.2 mm are selected, and the inner surface of the pot is pre-blasted for 5-8 s under the centrifugal force of a power of 11 kW motor.
  • the surface is formed with a first peak and a first trough in a sinusoidal state with a peak pitch of 1.5-2 mm and a depth of 0.6-0.8 mm;
  • the 0.8mm stainless steel pill is drilled for 10-15s on the inner surface of the pot at a power of 7.5KW, forming a second peak and a second trough with a peak spacing of 0.8-1.2mm and a depth of 0.3-0.5mm;
  • the stainless steel pellets with a diameter of 0.4mm were selected. Under the centrifugal force of the motor with a power of 5.5kw, the inner surface of the pot was finely shot blasted for 20-30s, forming a peak spacing of 0.2-0.4mm and a depth of 0.08-0.1mm.
  • the shot blasting machine adopts a crawler type shot blasting machine, the machine is divided into three sections, the first two motors, the power is 11KW; 4 motors in the segment, the power is 7.5KW; the third segment is 6 motors with a power of 5.5KW; we use steel pellets with different particle sizes to pass the three-stage shot blasting station at the same speed to achieve the above combination of processes. Shot blasting. The way is to sweep from top to bottom, and finally achieve the desired effect.
  • a special protective clamp is used to protect the outer surface of the body to prevent the outer surface from being shot blasted.
  • Sand blasting using compressed air of 0.5-0.7 MPa, spraying the high-speed jet of 40 mesh or 60 mesh to spray the high-speed spray onto the inner surface of the pot;
  • Spray coating spray PTFE coating or phenyl silicone coating on the surface of the pot, and bake at 380 ⁇ 440 ° C or 250 ⁇ 300 ° C for 10 minutes, the film thickness is 25 ⁇ 35um;
  • Hard oxidation treatment using a concentration of 200g / L of sulfuric acid, at a temperature of -2 ⁇ 2 ° C, with a voltage of 30 ⁇ 70V, current density of 2 ⁇ 3A / dm2 pulse power supply for 20 to 30 minutes to form 35um The above hard oxide film;
  • Spray coating After hard oxygen is applied, the PTFE coating is sprayed and baked at a temperature of 380 to 440 ° C for 10 minutes to form a non-stick coating having a thickness of 30 to 45 ⁇ m.
  • the blasting is performed by using a compressed air of 0.5 to 0.7 MPa, and a high-speed jet beam of 40 mesh or 60 mesh is used to spray the spray at a high speed onto the surface of the workpiece to be processed, so that the appearance or shape of the outer surface of the workpiece surface occurs.
  • a high-speed jet beam of 40 mesh or 60 mesh is used to spray the spray at a high speed onto the surface of the workpiece to be processed, so that the appearance or shape of the outer surface of the workpiece surface occurs.
  • the change due to the impact of the abrasive on the surface of the workpiece and the cutting action, the surface of the workpiece obtains a certain degree of cleanliness and different roughness, so that the mechanical properties of the surface of the workpiece are improved, thereby improving the fatigue resistance of the workpiece and increasing it.
  • the adhesion between the coatings extends the durability of the coating;
  • the outer coating is sprayed on the outer surface by spraying the PTFE coating or the phenyl silicone coating on the outer surface, and baking at a temperature of 380 to 440 ° C or 250 to 300 ° C for about 10 minutes, and the film thickness is 25 ⁇ 35um or so, its coating has the following properties;
  • Non-tacky very thin film also has good non-adhesive properties
  • the coating film has excellent heat resistance and low temperature resistance, and can withstand high temperature up to 300 ° C in a short time. Generally, it can be continuously used between 240 and 260 ° C. It has remarkable thermal stability at high temperature. Does not melt under, does not embrittle at freezing temperatures;
  • Moisture resistance The surface of the coating film is free from water and oil, such as a small amount of dirt, and can be removed by simple wiping. net;
  • Hard oxygen in the above step 8) using a sulfuric acid concentration of 200g / l, a temperature of -2 ⁇ 2 ° C, a voltage of 30 ⁇ 70V, a current density of 2 ⁇ 3A / dm2 pulse power supply oxidation for 20 ⁇ 30 minutes can get more than 35um hard oxidation membrane;
  • Hardness It can reach Vickers hardness of 350HV or more.
  • the micropores of the film layer can adsorb the lubricant, which is beneficial to improve lubricity and wear resistance.
  • the film has high corrosion resistance, is not corroded for a long time under industrial atmospheric conditions, and has excellent corrosion resistance in maritime climate, such as resistance after sealing treatment. The corrosion performance is better.
  • High temperature and heat resistance of the film The use temperature of the hard oxide film can reach 480 ° C, the melting point of the oxide film can reach 2050 ° C, and the thermal conductivity is as low as 0.67 W / (cm ⁇ ° C), which is excellent. Heat resistant material.
  • Film insulation The film resistance is large, the film thickness is 100 ⁇ m, and it can withstand voltages above 2000V.
  • Film bonding force The film layer is firmly and reliably combined with its substrate.
  • the thickness of the oxide film at the turning point of the peak wave valley reaches a higher thickness of 45-50 u, and the hardness is higher.
  • the inner coating is sprayed with internal hard oxygen, and the specially modified PTFE coating is sprayed at a temperature of 380 to 440 ° C for about 10 minutes, and the film thickness is about 30 to 45 um, and the coating has the following properties;
  • Non-tacky very thin film also has good non-adhesive properties
  • the coating film has excellent heat resistance and low temperature resistance, and can withstand high temperature up to 300 ° C in a short time. Generally, it can be continuously used between 240 and 260 ° C. It has remarkable thermal stability at high temperature. Does not melt under, does not embrittle at freezing temperatures;
  • the surface of the coating film has no water and oil stains, such as a small amount of dirt, and can be removed by simple wiping;
  • Wear resistance it has the dual performance advantages of wear resistance and non-sticking
  • the inner surface formed is formed by a plurality of nearly smooth curved surface structures; that is, a plurality of large sines are formed from the inner surface first.
  • Wave structure: first peak 11 and first wave The valley 12 is specifically the first form in FIG. 1; then a plurality of smaller sinusoidal structures are formed on the basis of the deformation, so that the first peak 11 and the first trough 12 are deformed, that is, the peak is arched upward, and the trough direction a recessed shape, specifically the second form in FIG.
  • our inner surface phase has no complete plane at the top of the peak, and it is directly in contact with the real object, because the large-area plane is easily destroyed by hard food and spatula, and it is easy to form. Visible scratches and abrasions, while ensuring that no large planes are formed, we do not form obvious turns and corners. Because of the obvious turning and corners, the use of the process will not form sharp contact, resulting in excessive contact pressure, resulting in excessive contact pressure. The sharp points are quickly worn through; in fact, our inner surface is composed of a plurality of continuous small curved surfaces on the large crests and troughs; and there are at least three third peaks 31 at the final peaks.
  • the inner surface of the pot forms a smooth excess of a continuous small curved surface.
  • the fluidity of the non-stick coating 40 is greatly improved, so that the overall uniformity of the coating is improved, and the prior art is not formed as a zigzag concave.
  • the grooves and the like cause partial deposition of the coating; further, in the side wall 41 of each sine wave, since a plurality of continuous third peak structures are formed, the roughness of the side walls is improved to some extent, and the plane in the prior art Or large arc-shaped paints can easily slide into the troughs and cannot stay and adhere to the sidewalls, resulting in a thin coating on the sidewalls that does not form a durable non-stick coating.
  • our non-stick coatings are more uniform in thickness and more fluid, and the coating will cover the entire surface evenly, regardless of the peak coverage of the peaks and valleys, and the service life is not obvious.
  • the inner surface surface of the invention has many and complicated surfaces, so that the specific surface area of the inner surface of the pot is increased by 30 times to 50 times compared with the prior art, the bonding force of the non-stick coating layer and the coating area are correspondingly improved, and the service life is also synchronized. It has been improved; we have used three times of shot blasting to squeeze and impact the inner surface of the pot, and finally form it. It uses multiple deformations to strengthen the strength and hardness of the material. After the strength and hardness of the substrate itself is improved, it is combined. Hard oxidation further improves the wear resistance of the non-stick coating and achieves a 50% strength increase.
  • the small peaks and valleys on the surface of the pot are very dense and continuous. Even if one is worn, there will be a nearby one. Or multiple peak candidates support, continue to protect other surfaces, continue to protect so, and their service life is greatly extended.
  • the object moves very smoothly on the surface of the coating, does not get a significant barrier, and also reduces wear to a certain extent.
  • the residual food is also easier to clean, and can be wiped clean with a rag.
  • a shot blasting can form a first peak and a first trough with relatively deep impact depth and relatively large spacing to the convex and concave.
  • the second time appropriately reduces the diameter of the steel shot, while reducing the motor power and extending
  • the three process parameters of the shot blasting time can obtain the second peak 21 and the second trough 22 which are increased in density by 100% on the basis of the original first peak and the first trough; the third further reduction
  • the diameter of the steel shot, reducing the motor power and prolonging the time, the same purpose, is to superimpose on the second surface to form a higher density, more gentle third and third trough surface.
  • the large sinusoidal surface has a medium sinusoidal surface, and the medium sinusoidal surface has a smaller sinusoidal surface, so that the following effects can be achieved: 1) The surface is subjected to three times of overlapping shot blasting with different impact strengths, and the surface strength is maximized, and the surface strength and hardness are increased by 100%. 2) Maximizing surface area: The surface area is increased by 30-50 times compared with the original plane, which means that the coating adhesion area, the actual use area is increased by 30-50 times, and the coating bonding force and service life are increased by 30-50 times.
  • the peak and trough surface can be realized, wherein the peak ratio is 10-15%.
  • this dense peak-to-valley surface always provides a wear surface for the wear surface. This maximizes the scratch-resistant wear cycle of the coating to maximize the protective coating's damaged surface and extend the non-stick life of the coating.
  • the optimal curvature of the superposed third peak trough formed by us is between R40 and 100; when it is less than R40, a steeper and more obvious transition is formed. This will cause uneven coating flow, the local coating is too thick or too thin, affecting the coating's anti-wear ability and service life; if it is larger than R100, it will form a plane-like surface, and the surface we are treating is to try to Eliminate the plane; the flat surface is prone to exposure of the large flat coating, resulting in coating wear and visible scratches, affecting the service life.
  • the distance L1 is 1.5-2.0 mm, which has been repeatedly studied by the inventors.
  • the test determined that such a spacing is also guaranteed to present a smooth curved surface from a macroscopic point.
  • the spacing is less than 1.5 mm, it is inconvenient to shape the smaller curved surface. If it is too large, it will cause the peaks to be mutually unprotected. In actual use, the peak spacing is too far, causing food or hard objects to directly contact the bottom of the trough. The purpose of protecting the surface by peaks.
  • the peak height H1 is selected to be 0.6-0.8 mm, and the peak is too high. It is easy to cause the surface to be steep and R to decrease, resulting in uneven coating; when the peak is too Low, can not form an effective support, and can not achieve the purpose of protecting the trough.
  • the surface of the small peak and trough formed by the second and third times on the surface of the large curve has an optimum spacing of L2 of 0.2-0.4 mm, which has been repeatedly studied by the inventors. And experiments have determined that the spacing is within this range, basically 6-12 similar small peak surfaces can be realized between two large peaks, the spacing is too small, too dense, too many peak contact points, and many points are worn, Increase the wear contact point, and it is not easy to clean; when the distance is too large, the purpose of secondary protection is not achieved.
  • the small second peak height H2 is 0.08-0.1mm, which is also verified. If the height is lower than 0.08mm, the effective support is not effective. When the height is higher than 0.1mm, the tooth state is formed, the curved surface is steep and the R is reduced. Not uniform.
  • the peak height of the peak wave trough formed by the shot blasting is 0.8mm and the lowest is 0.08mm.
  • the distance between the two peaks of the same height is 2.0mm, and the closest is 0.2mm.
  • the roughness Rz and Ra range are 35-70 ⁇ m and 18-32 ⁇ m, respectively, and the specific surface is 30-50. Times.
  • the data range of Rz and Ra determines the density of our peaks and troughs, and how many relatively small peaks and valleys between the highest peaks and valleys. After many times of verification and comparison tests, this rough surface can maximize the performance of our products. This data can be used as a reference for daily production commissioning processes and quality inspections.
  • the surface condition achieved by the shot blasting surface produced by our special process meets the following conditions:
  • the scratch resistance and long-lasting non-stick properties of the inner surface coating are greatly improved.
  • the reasons are as follows: due to shot blasting and hard oxygen treatment, the average hardness of the aluminum surface can reach 380-400 HV, wherein the convex portion has a higher thickness of the apex oxide film due to the cusp release effect, and the hardness can reach 480-500 HV. 3 times the hardness of traditional stainless steel.
  • the inner surface is single-sided oxidation treatment by first protecting the outer surface, thereby reducing the process cost.

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Abstract

L'invention concerne une poêle anti-adhésive, comprenant un corps (10) de poêle comportant une surface intérieure pourvue d'une zone texturée, une surface extérieure de la zone texturée étant revêtue d'une couche de revêtement anti-adhésif (40), la zone texturée comprenant une pluralité de premiers pics (11) disposés à intervalles réguliers et de premiers creux (12) formés entre les premiers pics (11), les sommets des premiers pics (11) s'arquant vers l'extérieur pour former des deuxièmes pics (21), les parois latérales des premiers pics (11) plongeant vers l'intérieur pour former des deuxièmes creux (22) et des deuxièmes pics (21), les deuxièmes creux (22) étant formés entre les deuxièmes pics (21) situés sur les sommets et les deuxièmes pics (21) situés sur les parois latérales. Des troisièmes pics (31) disposés à des intervalles allant de 0,2 à 0,4 mm et ayant une profondeur allant de 0,08 à 0,1 mm sont formés sur les deuxièmes pics (21), et des troisièmes creux (32) sont formés entre les troisièmes pics adjacents (31). Au moins trois troisièmes pics (31) sont formés sur chaque deuxième pic (21) situé sur un sommet, le troisième pic (31) situé au milieu étant plus élevé que les troisièmes pics (31) situés sur les deux côtés. Les premiers pics (11), les premiers creux (12), les deuxièmes pics (21), les deuxièmes creux (22) et les troisièmes pics (31) constituent des structures possédant des surfaces incurvées.
PCT/CN2015/078583 2014-11-20 2015-05-08 Poêle anti-adhésive WO2016078359A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410668823.1 2014-11-20
CN201410668823.1A CN104739218B (zh) 2014-10-31 2014-11-20 一种不粘锅

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WO2016078359A1 true WO2016078359A1 (fr) 2016-05-26

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Cited By (2)

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CN111096674A (zh) * 2019-12-05 2020-05-05 金华乐嘉厨具有限公司 基于整体抛丸不粘耐铁铲锅具的制造工艺
CN114190774A (zh) * 2021-12-17 2022-03-18 武汉苏泊尔炊具有限公司 炊具及其制造方法

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CN101785629A (zh) * 2010-03-02 2010-07-28 浙江大学 用于制备不粘锅的具有特定表面结构的材料
CN203341496U (zh) * 2013-05-03 2013-12-18 武汉苏泊尔炊具有限公司 不粘锅
CN104490248A (zh) * 2014-10-31 2015-04-08 浙江三禾厨具有限公司 一种不粘锅的加工工艺

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EP0510546A1 (fr) * 1991-04-23 1992-10-28 Winfried Heinzel Procédé pour le revêtement d'utensiles de ménage ou de cuisine
CN101785629A (zh) * 2010-03-02 2010-07-28 浙江大学 用于制备不粘锅的具有特定表面结构的材料
CN203341496U (zh) * 2013-05-03 2013-12-18 武汉苏泊尔炊具有限公司 不粘锅
CN104490248A (zh) * 2014-10-31 2015-04-08 浙江三禾厨具有限公司 一种不粘锅的加工工艺

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111096674A (zh) * 2019-12-05 2020-05-05 金华乐嘉厨具有限公司 基于整体抛丸不粘耐铁铲锅具的制造工艺
CN114190774A (zh) * 2021-12-17 2022-03-18 武汉苏泊尔炊具有限公司 炊具及其制造方法
CN114190774B (zh) * 2021-12-17 2023-08-04 武汉苏泊尔炊具有限公司 炊具及其制造方法

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