Round Can
Round can most have identical and parallel round tops and bottoms with vertical cylindrical sides. However, some contents may justify a can that has a somewhat conical overall shape. In other cases, for small volumes and certain shapes of the contents, the top and bottom may be rounded-corner rectangles or ovals.The fabrication of most round cans results in at least one "rim" a narrow ring with an outside diameter that is slightly larger than that of the rest of the round can. The flat surfaces of rimmed cans are recessed from the edge of any rim (toward the middle of the can) by about the width of the rim; the inside diameter of a rim, adjacent to this recessed surface, is slightly smaller than the inside diameter of the rest of the round can.In a three-piece construction, the round can has both a top and a bottom rim. For two-piece construction, one piece is a flat top and the other a cup-shaped piece that combines the cylindrical wall and the round base; the transition between the wall and base is usually somewhat gradual. Such round cans have a single rim at the top.
Advantages of Round Can
Lightweight
Another advantage of using tin round can for packaging is that they are very lightweight, making them easy to handle. This makes transporting packaged products even for long distances seamless. You already know that transport providers charge transport fees for goods based on their weight. You can consider cutting the transportation cost by using these lightweight tin containers for packaging. This will reduce your overall cost of production, which is good for your business.
Strong and rigid
Tin round can are made with strong and rigid features. This makes them stay in shape even when they are subjected to high impact. If you are worried about having deformed cans that can lead to returns, then tin containers should be your go-to packaging. These cans also allow various forms of transportation and remain in good condition until it reaches the consumer. These tins offer flexible packaging and can be arranged and rearranged in different ways to suit your mode of transport while maintaining their original shape. Using other packaging material for your products can easily get deformed, which is bad for your business.
More shelf life
Compared to most of the available options such as aluminum and steel, tin offers more shelf life. That is because the tin material does not react with the food material. For the other material such as steel and aluminum, they can easily corrode depending on the acidity of the food packaged thus destroying it. That is the reason why these containers cannot be used for the storage of soups, drinks or pharmaceuticals. But for the tin round can, they are not corrosive, and that’s why they can store food for long without it going bad.
Flexible packaging
Tin round can are extremely flexible when it comes to packaging. Due to the various properties that tin material comes with such as high rigidity and strength, these cans offer high flexibility in packaging. You can arrange these cans the way you see best and can also be transported by any means of transport and still retain their original condition. That is something that may not be seen in other types of cans as they can easily deform or destroy the content inside while in transit.
Customized services
We are good at customization. All our factories have decades of producing experience and professional engineers, cooperating with our patient and meticulous trade team, we will provide high-quality products and service to you, especially designing and producing according to your demand.
Technology
Experienced engineers provide you professional suggestions, designs and services.
Experience
International business staffs of over 15 years of experience and factories of 3 decades of production.
Our factory
We are located in zibo which is a traditional industrial city in north china with 39 among 41 divisions of the second industry in industry classification of national economy of china which covers the entire relative divisions of international standard industrial classification of all economic activities.
What Are Round Tin Can Used For
Food storage and preservation
Round tin can are widely used in the food industry for storing and preserving a variety of products, including fruits, vegetables, soups, meats, and beverages. The airtight seal and durable construction of tin cans help prolong the shelf life of perishable goods, keeping them fresh and safe for consumption.
Art and craft supplies
Round tin can are popular among artists and crafters for repurposing into decorative items, organizers, and container for art supplies. Their sturdy construction and versatile design make them ideal for creative projects that require a durable and aesthetically pleasing container.
Automotive products
In the automotive industry, round tin can are used for storing and transporting various products such as fuel additives, brake cleaners, lubricants, and engine oils. The robust construction of tin cans ensures the safe storage and dispensing of these automotive chemicals, contributing to the smooth operation of vehicles.
Chemical industry
Round tin can are also utilized in the chemical industry for packaging and distributing hazardous substances, solvents, and industrial chemicals. The tamper-proof design of tin cans prevents unauthorized access to the contents, ensuring safety and compliance with regulatory standards.
Round Tin Can vs. Aluminum Cans
Round tin can
Contrary to popular belief, modern “tin cans” are not actually made of tin. They are made of steel coated with a thin layer of tin, providing excellent resistance to corrosion and reactive substances. The tin-plated steel structure not only gives the jar a shiny appearance but also ensures optimal protection of the contents.
Aluminum cans
As the name suggests, aluminum cans mainly use aluminum metal. Our company’s aluminum products are all made of 99.7% pure aluminum. Because of its outstanding lightness, richness and ductility, aluminum has become an ideal choice for customization and complex shapes for many of our customers. Through a deep drawing process, the aluminum sheets are transformed into cans and coated with protective paint.
Round tin can
Tin-plated steel cans offer exceptional durability and can withstand impact, compression, and punctures. The steel base provides structural integrity, while the tin coating acts as a protective barrier against rust and corrosion. These canisters are ideal for products that require strong physical protection during storage and transportation.
Aluminum cans
Although aluminum is naturally softer than steel, aluminum cans maintain superior strength due to their unique structure. The deep drawing process enhances the structural integrity of the aluminum, ensuring resistance to pressure and impact. Additionally, aluminum is inherently corrosion-resistant, requiring no additional coatings. This makes aluminum cans suitable for a variety of products, including beverages and food.
Round tin can
Tinned steel cans tend to be heavier than aluminum cans. While this weight can provide advantages in terms of stability and perceived value, it can create challenges in terms of shipping costs and environmental impact. Steel is recyclable, but tin coating can complicate the recycling process.
Aluminum cans
One of the main advantages of aluminum cans is their light weight. Aluminum is much lighter than steel, which reduces shipping costs and energy consumption during transportation. Additionally, aluminum has a well-established recycling infrastructure that requires significantly less energy than primary production. This makes aluminum cans an environmentally friendly choice.
Round tin can
Tinplate cans are widely used in various industries, including food preservation, cosmetics, and aerosol packaging. Their durability and corrosion resistance make them suitable for long-term storage of acidic or reactive products. Canned fruits, vegetables, soups, and other non-carbonated foods are often packaged in tin cans.
Aluminum cans
Aluminum cans are widely recognized for their dominance in the beverage industry. Aluminum’s lightweight and customizable properties make it ideal for packaging carbonated beverages such as soft drinks and beer. In addition, aluminum cans are widely used for packaging canned food, including vegetables, seafood, and pet food. The ability to print graphics on aluminum cans is beneficial for branding and marketing.
Factors to Consider When Choosing Between Round Tin Cans
Industry-Specific Considerations
Food Industry - In the food industry, when considering the choice of tin cans for packaging canned fruits, various factors need to be taken into account. One important aspect is adhering to food safety regulations and requirements, such as those set by the FDA. These guidelines play a crucial role in ensuring the safety and quality of the packaged products. Additionally, it is essential to assess the compatibility of the tin can with the specific food product. The chosen can should provide adequate protection against contamination and spoilage, safeguarding the freshness and integrity of the fruits.
Chemical & Industrial Industry - In chemical and industrial applications, selecting the right tin can for packaging involves careful considerations. One crucial factor is evaluating the chemical compatibility between the can and the contents it will hold. This assessment ensures that the tin can is capable of safely storing and transporting hazardous or reactive substances without compromising their integrity or causing any adverse reactions. Additionally, it is essential to consider the applicable regulations and guidelines for the transportation and handling of chemicals. Compliance with these regulations helps ensure the safe and proper storage, transportation, and usage of the packaged substances. By thoroughly evaluating chemical compatibility and adhering to relevant regulations, the choice of tin can in chemical and industrial applications can effectively mitigate risks and promote safety in handling hazardous materials.
Packaging Design and Marketing
In the realm of packaging design and marketing, the selection and design of tin cans hold significant importance. The design of the tin can itself plays a crucial role in shaping consumer perception and influencing marketing strategies. It is essential to consider various factors such as the shape, size, and visual appeal of the can to ensure alignment with branding and product positioning. The chosen design should resonate with the target audience, effectively conveying the desired brand image and message. By carefully crafting the aesthetics of the tin can, it becomes a powerful tool for capturing consumer attention, creating brand recognition, and differentiating the product from competitors.
Logistical Factors
Logistical factors play a crucial role in the selection of tin cans for packaging.
Transportation Efficiency - One important consideration is transportation efficiency, which involves evaluating the space utilization and stackability of the chosen can. Efficiently utilizing space and ensuring stackability can have a significant impact on shipping costs and logistics. By maximizing the number of cans that can be transported in a given space, companies can optimize their transportation operations and reduce expenses.
Storage Requirements - Storage requirements must be taken into account. This includes considering factors such as stackability, shelf life, and specific storage conditions needed for the product. Selecting a tin can that meets these requirements ensures efficient storage and preservation of the packaged goods. Proper stackability allows for organized and space-saving storage, optimizing warehouse operations.
Other Factors - Considering the shelf life and storage conditions helps maintain the product's quality and integrity throughout its lifecycle.
Welding Defects and Analysis in Round Tin Cans Manufacturing Processes
Cold Welding in Can Body
Mechanical Factors:
1. Iron Plate: Incorrect perimeter length, non-parallel iron plate angles, excessive burrs, and holes in the iron plate.
2. Misalignment in Positioning Dies: Incorrect height/low, incorrect horizontal setting, too tight or loose, issues with guiding rails.
3. Z-shaped Groove: Basic setting errors, incorrect head setting, wear in Z-shaped groove.
4. Output Conveyor Belt: Too high or low, incorrect conveyor belt speed.
5. Conveying Error: Issues in material dropping and between can-supporting rails.
6. Shaping of Copper Wire: Wear on shaping wheel, poor quality of copper wire.
Electrical Factors:
1. Welding Current Setting: Low welding current.
2. Short Circuit in Secondary Welding Circuit: Insulation issues, hidden objects in the overused Z-shaped groove area.
3. Welding Wheel: Wear causing misalignment.
4. Current Regulator: Malfunction.
Cold Welding at the Beginning of the can Body
1. Iron Plate: Angle and roundness issues in the iron plate. Adjust as close to ideal as possible.
2. Entry Gearbox: Misalignment in chain, unequal chain spacing, ceramic damage on chain pointers.
3. Lower Welding Arm: Loose hanging screws.
4. Z-shaped Groove: Contaminants, wear at the end of Z-shaped groove, incorrect height at the end.
5. Welding Geometric Position: Inaccurate setting, incorrect push E value, excessive welding pressure, incorrect setting of push claw.
6. Molds: Wear on roller shaft, non-guiding function of positioning roller, errors in excessive position setting.
7. Copper Wire: Tin traces not centered, wear in welding wheel grooves, rapid and inflexible rotation of copper wire.
8. Welding Speed: Excessive gap between can bodies.
Severe Metal Extrusion (Hot Welding)
Mechanical Defects:
1. Geometric Errors in Welding Process: Non-parallel can body edges, incorrect optimal position of welding wheel, worn welding wheel grooves.
2. Iron Plate: Burr formation during shearing, excessive thickness variation in iron plate.
3. Positioning Dies: Too low setting.
4. Damage to Can Body During Conveyance: Problems in transfer between can-supporting guide rails and excessive guide rails.
Electrical Defects:
Welding Current: Excessive welding current, welding speed v less than its v limit, current controller malfunction.
Mechanical Defects:
1. Iron Plate: Cutting burrs, burrs in material plate, significant thickness variation in the same batch of iron plates, contaminants on the iron plate, coating in the welding seam area.
2. Welding Dies: Incorrect height, relative position to welding horizontal SE (misalignment), scratching.
3. Welding Wheel Geometric Position: Optimal position of welding wheel, wear in welding wheel grooves, non-parallel welding wheel axes.
4. Welding Pressure: Too low.
Electrical Defects:
Welding Current: Excessive setting, current control error.
Incomplete Welding at Welding Points
Mechanical Defects:
1. Iron Plate Shearing: Incorrect shearing angle, incorrect perimeter.
2. Welding Dies: Too low, too high.
3. Synchronization: Incorrect synchronization angle.
Electrical Defects:
Machine Setting and Detectors: Decrease in current opening, welding monitor: key in the wrong position, step function activated.
Lack of Overlapping Amount at the Beginning of the Can Body
1. Iron Plate Shearing: Incorrect angle, incorrect perimeter.
2. Welding Dies: Input roller too high, incorrect horizontal setting, welding dies too loose.
3. Welding Geometric Position: Height of Z-shaped groove, optimal position of welding wheel, upper welding wheel before lower welding wheel, non-parallel welding wheel axes.
4. Synchronization: Excessive synchronization angle, v too small.
Lack of Overlapping Force at the End of the Can Body
1. Iron Plate Shearing: Incorrect angle, incorrect perimeter.
2. Welding Dies: Incorrect horizontal setting, welding roller not tightened.
3. Incorrect Welding Geometric Position
4. Output Conveyor Belt: Too high or too low, conveyor belt speed too fast or too slow.
Excessive Overlapping Amount
1. Iron Plate: Shearing of iron plate, excessive perimeter of iron plate, excessive thickness variation in iron plate.
2. Welding Dies: Too tight, too high.
3. Z-shaped Groove: Wear, excessive overlapping amount (Z-groove error).
Insufficient Overlapping Amount (Across the Entire Length of the Weld Seam)
1. Iron Plate Shearing: Perimeter of iron plate too short.
2. Welding Dies: Too loose, too low, welding roller not adjusted properly.
3. Welding Wheel Welding Geometric Position: Incorrectly adjusted optimal position of welding wheel.
4. Welding Pressure: Too high, should not exceed 60 dan.
5. Circularization Station: Iron plate opens too wide after circularization.
Components of Round Tin Can
Body: The main body of the can is typically made of thin-gauge steel or aluminum sheet. The body is formed into a cylindrical shape and then welded or soldered together to create a seamless container.
End: The ends of the can are made of a slightly thicker gauge material than the body and are typically either seamed or crimped onto the body to create a secure seal. The end can be a plain end or a more complex design, depending on the requirements of the product being packaged.
Lid: The lid of the can is the top cover that can be opened and closed to access the contents of the can. The lid can be either a removable or non-removable design, depending on the intended use of the can. Removable lids are commonly used for food and beverage cans, while non-removable lids are used for industrial or hazardous materials.
Seam: The seam is the joint that connects the body and the end of the can. The seam is created by rolling the edges of the body and end together and then crimping or seaming them together to create a secure seal.
Coatings: Tin cans can be coated with a variety of materials to enhance their properties and protect the contents of the can. Common coatings include lacquers, polymer coatings, and enamel coatings.
Labels: Labels are used to provide information about the product inside the can, including branding, nutritional information, and product details. Labels can be made from paper, plastic, or metal and are typically affixed to the body or lid of the can.
FAQ
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