Five key steps in non-stick cookware production -August 2024
Non-stick cookwares have become an indispensable cooking tool in modern kitchens due to their convenience and easy cleaning. Its production process is both scientific and rigorous, ensuring the quality and safety of the cookwares.
The first step is to prepare the materials. The key is to choose the right metal substrate and coating material. The metal substrate is mostly made of aluminum, copper or stainless steel, and the coating is mainly made of polytetrafluoroethylene (PTFE) or ceramics. These are the material basis for ensuring the performance of non-stick cookwares. Next, enter the coating treatment stage, and coat the substrate through processes such as spraying and high-temperature sintering. This step has a huge impact on the non-stick performance of the cookware.
The first step is to prepare the materials. The key is to choose the right metal substrate and coating material. The metal substrate is mostly made of aluminum, copper or stainless steel, and the coating is mainly made of polytetrafluoroethylene (PTFE) or ceramics. These are the material basis for ensuring the performance of non-stick cookwares. Next, enter the coating treatment stage, and coat the substrate through processes such as spraying and high-temperature sintering. This step has a huge impact on the non-stick performance of the cookware.
The next step is the processing and production stage, where the coated metal substrate is stamped and stretched using a mold to form the pot body. During this process, the shape and size of the pot are precisely defined. Testing and quality control are essential, and multiple tests are performed to test the product’s performance indicators such as wear resistance and corrosion resistance to ensure that each pot meets quality standards. The final stage is packaging and storage, where the finished products are carefully packaged and stored, waiting to be sold.
The entire production process reflects strict control of details and persistent pursuit of quality. Each step is carefully designed to ensure the excellent performance and long-term use of the non-stick cookware.
Coating is the core step in making non-stick cookwares, which determines the non-stick effect and service life of the cookwares. In coating treatment, PTFE coating and ceramic coating are two common options.
PTFE coating, which we often call Teflon, is a material with extremely high chemical stability. Its production process includes dissolving PTFE in a volatile solvent, then spraying it on the metal substrate, and finally drying it at high temperature to make the PTFE and the metal substrate tightly bonded. This coating has anti-stick and high temperature resistant properties, can remain stable during the cooking process, and is not easily adhered to by food.
Ceramic coating is a more environmentally friendly option. It consists of non-stick ceramic particles that can withstand high temperatures and have good wear resistance. Similar to PTFE coating, ceramic coating is also applied to the metal substrate by spraying and then sintered at high temperature to cure. This coating is not only durable, but also has less impact on the environment. It is a green non-stick cookware coating option.
Whether it is PTFE coating or ceramic coating, they have been carefully designed and strictly controlled in production to ensure the high quality and safe use of non-stick cookwares. The development of these coating technologies has made cooking more convenient and cleaning much easier.
Processing and production is the key step to combine the non-stick coating with the pot body. At this stage, the first thing to do is to form the pot. Through precise stamping and stretching processes, the initial metal disc or aluminum alloy material is processed into the basic shape of the pot body. In this process, the ductility of the metal material is fully utilized, and the material is shaped into the shape of a deep or shallow pot by mechanical force.
The production of composite pots is more complicated, which requires different metal materials to be combined together to achieve better cooking results. For example, the pot bottom suitable for induction cookers needs to use iron or stainless steel materials, while the aluminum layer of the composite bottom pot body can provide better heating uniformity and reduce the generation of oil smoke. Cold composite bottom and hot composite bottom are two different composite methods. They use physical or chemical means to tightly combine the metal layers and improve the overall performance of the pot.
After forming and composite processing, the pot also needs to be surface treated to improve its durability and appearance quality. Hard oxidation is a common surface treatment method. It forms a hard oxide film on the surface of the pot through electrochemical reaction, which enhances the wear resistance and corrosion resistance of the pot body. In addition, the spraying process is also used to further improve the appearance and function of the pots. Through multiple spraying and high-temperature curing, a non-stick coating that is both beautiful and practical is formed.
The entire processing and production process reflects a deep understanding of material science and manufacturing technology. Every link is carefully designed to ensure the excellent quality and long-term durability of the non-stick cookware.
In the production process of non-stick cookwares, baking and quality inspection are important links to ensure product quality. The baking tunnel is used for high-temperature curing of the coating, which makes the coating more firmly bonded to the bottom of the cookware and enhances the durability of the coating. The pots&pans need to be heated evenly during the baking process to prevent deformation and coating damage.
After baking, the cookware are polished to ensure a smooth outer surface. Automatic polishing equipment can effectively remove any burrs and unevenness, improving the appearance quality of the cookwares. Next is the manual quality inspection, where staff will carefully check each pot&pan and mark any flaws or defects. This meticulous manual inspection ensures that only products that meet high standards can leave the factory.
The spraying method plays a key role in the production of non-stick cookware. The spraying equipment can accurately control the thickness and uniformity of the coating to ensure the non-stick effect. The control of coating thickness is achieved through multiple spraying and sintering, and this process requires strict adherence to the specified process parameters to achieve the best coating effect.
The production of non-stick cookwares is a complex process involving multiple steps and technologies. Baking, shaping, quality inspection, spraying methods and other links all have an important impact on the quality of the final product. Through these carefully designed process flows, the non-stick cookwares produced are not only excellent in performance, but also safe and reliable, providing consumers with a good cooking experience.
- We are Non-stick coating line equipment manufacturer with 13 years experiences，we can provide coating lines turnkey solutions.
- We can manufacture all coating equipment，including non stick coating plant、powder coating plant、curing oven、sandblasting machine.
- We help many clients became top coating factory，most of our client start profiting within 8-12 months.
- Our factory located in Foshan，it covers a total area of 5,000 square meters.
Our Ability
You Want Success? We have Solutions!
All over the world, kitchen ware is popular always & “blooming”these years. Many countries encourage domestic manufacture. To produce kitchen ware in-house has good margin & covers the investment shortly.
Pre-sale Service
1. Popular design, new trend information sharing.
2. Return of investment analysis.
3. A-Z solution flow chat design.
4. Production process design and feasibility study.
5. Machines line arrangement.
In-sale Service
1. Machines and molds quality control during manufacturing and after finish.
2. Independent verification for each process.
After-sale Service
1. Plant layout proof & production line positioning.
2. Production line installation & debugging.
3. Training after shipment in buyer’s factory.
4. Annual visit on site.
Upgraded Service
1. Market trend & latest fashion broad casting.
2. Continuous & systematic training for management, maintenance team & operators.
3. Back up for the regular production.
4. Support in new R&D realization.
important things you should know
Questions And Answers
Sun Glory Industry International Limited as an engineering company for metal cookware & kitchenware manufacturing turnkey project，was established in september，2011.
- Non-sitck coating line
- SUS flask/mugs/water bottle production line
- Small home appliances production line
- SUS/AL cookware production line
- Kitchen knife production line
- Cutlery/flatware production line
- Pressure cooker production line
- Pot glass lids production line
- Colanders & Sieves prodcution line
- washing machine line
Yes, we have auto solutions of die casting & non-stick coating to make pots and pans.
Normally the machines & molds take 30~ 60 days, and 15~20 days for sampling & your approval of trail samples & shipment demand.
Machine body & electrical components 1 year, pneumatic components 3 months.
There are standby list for consumables.
Some machines 15+ years, some of them 6~10 years, molds with 300K stamps.
Yes, our team will come physically.
Local team or Chinese team depends on the work.
We can work together in this way:
1st, pls explain your blueprint of this business, to make us understand your plan better;
2nd, send the photos, drawings or samples of your favorite designs, so we can analysis the production processes & work out requested machine list & calculate estimated molds and tools cost;
3rd, after contract signed & deposit received, you can send factory layout to plan the production flow chat and machine layout;
4th, after 30~60days, will send you the machine sampling and trail production videos & samples for approval;
5th, with your confirmation of accounting & shipment permit, will arrange the delivery;
6th, before shipment arrive, you can prepare the permanent power, water & dry compressed air supply as installation preparation;
7th, after settle the balance payment & custom clearance, your machines will reach the plant & our service engineers will come for installation, commissioning & working process training;
8th, after your final acceptance, your comments will be needed on the service report;
9th, after engineers leave your plant, daily production support still there to help you in the trial production & touch the market ASAP.
10th, new R & D support & AMC are there too.
See below our Project of Non Stick Cookware Coating Line
Thank you for reading this article. If you want to know more about Sun Glory, you can contact us.
We will do our best for your projects and build own your own factory.
Become no.1 in your country
END
- Sun Glory Industry
- +8613922210559
- 10Th Floor, Peace World Plaza, No.362-366, Huanshi East Road, Yuexiu District, Guangzhou, China (510060)
