{"id":647,"date":"2020-01-07T06:49:40","date_gmt":"2020-01-07T06:49:40","guid":{"rendered":"https:\/\/www.levapack.com\/?p=647"},"modified":"2025-07-11T10:04:17","modified_gmt":"2025-07-11T02:04:17","slug":"guide-to-can-seamer-machines","status":"publish","type":"post","link":"https:\/\/www.levapack.com\/th\/guide-to-can-seamer-machines\/","title":{"rendered":"Can Seamer Machine – A Beginner\u2019s Guide"},"content":{"rendered":"
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As the demand for different easy-to-open packaged products such as packaged food and canned beverages increases, the need for a more efficient method of packaging to meet this demand is also increasing. This includes the use of an automated tin canning machine<\/span><\/strong><\/span>\u00a0to produce tamper-evident seals to ensure the safety of the consumers. Thus,<\/span>\u00a0manufacturers <\/span><\/a><\/b>also need to innovate their products to keep up with this demand.<\/span><\/p>

However, choosing a suitable <\/span>can sealing machine for a certain application can be challenging as different <\/span>tin\/can seamer <\/b>is needed for handling different types of products. Especially if you are new to the industry and know nothing about these machines. If you are having the same problems, then you are in the right place! In this article, we will help you familiarize yourself first with the basic principles of <\/span>the machines before you start purchasing one.<\/span><\/p>

What is a Can Seamer Machine\/Can Sealer?<\/span><\/h2>

A can seamer machine is used to hermetically seal a lid to a can body during the packaging process using a double, or sometimes triple, seam. The lid is usually made from tin-plated steel. Meanwhile, the can’s body can be made of paper (like whiskey cans), tin, aluminum, PET, plastic, or glass. The formed seam is usually leak-proof. However, this still depends on the type of products being packaged.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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A can sealer machine can either have one or more seaming heads in which each head is considered as a separate machine. The most popular machines have 4, 6, or 12 heads with the number of heads increasing with the machine\u2019s speed for production lines requiring higher demands.<\/span><\/p>

Moreover, you can automate can seamers to streamline the packaging process to improve production efficiency and save on labor costs. Apart from these, you can also enjoy other <\/span>benefits of integrating an automated packaging machine in your production line<\/span>.<\/span><\/p>

Parts of a Can Seamer \/ Can Sealer<\/span><\/h2>

A can seamer machine has the following major parts:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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#1 Seamer Head (Chuck)<\/span><\/h4>

The machine\u2019s seaming chuck holds the can firmly together with the seamer turntable on the other side during the process of double seaming. It also protects the can from the pressure of the first and second seaming roller operations. The chuck\u2019s dimensions will depend on that of the can\u2019s diameter being sealed. Thus, different chucks are needed for different can diameters.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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#2 Seamer Turntable (Base Plate)<\/span><\/h4>

Also known as the compression plate, the seamer turntable which is a spring-loaded disc spins freely and gives support to the can body during the sealing process. It centers the can body in the correct position and transmits the pressure from the spring to the chuck through the container. Also, the base plate\u2019s shape will depend on the can\u2019s shape, allowing the can to be inserted into it correctly.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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#3 Seaming Rollers<\/span><\/h4>

Can sealing machines consist of two seaming rollers having concave profiles that help in creating double seams. Depending on the speed of the machine, it can have one or more sets of seaming rollers.<\/span><\/p>

The first seaming roller\u2019s profile and its position with respect to the seaming head are critical in producing a reliable double seam. The majority of the double seaming problems encountered arise from the incorrect setup of the first seaming roller operation. On the other hand, the second seaming roller\u2019s groove will have a shape similar to that of the produced final double seam.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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#4 Sealing Chamber & Vacuum Room<\/span><\/h4>

Can sealing machines, such as <\/span>nitrogen filling vacuum sealing machines<\/span>, perform the sealing process in sealed chambers especially when removing the oxygen from the containers prior to the sealing process. The removal of oxygen takes place inside a vacuum room under vacuum pressure. This maintains the integrity of the product inside.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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#5 Ejector<\/span><\/h4>

The ejector is a rod equipped with a small disc at the end. It emerges at the seaming head\u2019s center and moves vertically in a cam action. Also, it contributes to maintaining the proper placement of the lid on top of the can.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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#6 Feeder Caps<\/span><\/h4>

All automatic can sealing machines have cap feeders that take a lid from a pile of closures and transport the lid to the sealing station before the sealing process.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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#7 Transport<\/span><\/h4>

Every can sealer machine has its own way of transmitting the filled containers into the machine. But, the most common ones are power conveyors that continuously move the containers from one station to another during the sealing process.<\/span><\/p>

Different types of Can Seamer Machines<\/span><\/h2>

According to Machine Automation<\/span><\/h3>

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