LANTU PACKAGING MACHINERY
Induction Aluminum Foil Sealers & Can Seamers
Start with your container dimensions, sealing requirements, and production goals. Discuss an integrated electromagnetic induction foil sealer and can seaming configuration for your packing speed and workflow with Lantu.</p >
- Define container materials (plastic jars, glass bottles, metal cans, paper tubes), neck diameters, cap types, and target sealing speeds.
- Match air-cooled or water-cooled induction sealers and automatic can seamers to your container structures and sealing tightness standards.
- Review missing foil rejection sensors, digital power control, anti-deformation container clamping, and seamless integration with upstream capping and downstream labeling/coding lines.
Tell us what you pack. We’ll help you discuss a suitable equipment configuration.
EQUIPMENT OVERVIEW
Product details & configuration
Say Goodbye to Leakage/Air Loss, Bottle Lip Clumping, and Moisture Spoilage: Experience Instant, High-Strength Sealing in Seconds
The Fully Automatic Electromagnetic Induction Aluminum Foil Sealing Machine & Integrated Can Seaming Production Line (combining high-frequency magnetic field induction heating $\rightarrow$ non-contact composite foil thermal sealing $\rightarrow$ can body seaming/roller pressing $\rightarrow$ smart missing-foil/no-can detection $\rightarrow$ efficient air-cooling thermal dissipation $\rightarrow$ 100% airtight factory output) is an industrial-grade high-sealing automation assistant specifically built to solve end-of-line packaging pain points such as loose bottle lip sealing, moisture/oxidation exposure, transit leakage, inefficient manual cap pressing, and uneven seams on tinplate or plastic cans.
LANTU Machinery introduces an integrated electromagnetic induction sealing and precision can seaming solution. Utilizing transistor/IGBT high-frequency electromagnetic induction technology and precision rotary/linear seaming mechanisms, supported by four core automated stations (1. Smart conveyor positioning $\rightarrow$ 2. High-frequency induction / seaming $\rightarrow$ 3. Smart missing-foil rejection $\rightarrow$ 4. Smooth finished product output), it acts like an ultra-fast sealing expert with absolute airtight precision. Whether for aluminum foil sealing on plastic screw caps, foil gasket thermal sealing on glass bottles, or precision seaming for easy-open cans, tinplate cans, and paper composite cans, it achieves seamless non-contact rapid heating and mechanical seam sealing without manual intervention—ensuring zero leakage, moisture prevention and anti-tampering, smooth aesthetics, and unattended fully automated operation.
As a source packaging machinery manufacturer, LANTU Machinery has streamlined this complex automated process—covering high-frequency induction temperature control, cap seaming, missing-foil sensing, and smart rejection—to be as simple as operating a smartphone. Operators only need to configure the induction power and conveyor speed with one touch on the central HMI touchscreen. As containers pass through the induction head or seaming station via conveyor, the equipment automatically completes instant thermal fusion or precision seaming. Accommodating a wide operational scope (bottle/can diameters from 15mm to 150mm, heights from 30mm to 300mm), it greatly reduces labor intensity, helping factories save labor, time, and money.
Choosing a reputable source manufacturer is crucial for your return on investment. LANTU Machinery’s mature induction control and high-precision seaming technology, combined with highly reliable engineering, ensure your entire packaging line operates in a high-efficiency closed loop with zero breakdowns.
Core Components and Three System Safeguards (LANTU Precision Parts)
Our electromagnetic induction aluminum foil sealers and can seamers are fully equipped with industry-leading core components, ensuring high quality, zero defects, and an ultra-long operational lifespan from the ground up.
1. High-Frequency Induction & Air/Water Cooling System (Foil Sealer)
Industrial-Grade IGBT High-Frequency Module: Adopts high-quality transistor induction technology for superior efficiency and uniform heat distribution, completing the thermal bond between the foil liner and bottle lip within 0.1 to 0.3 seconds.
Tunnel / Stepped Induction Heads: Features specialized induction plates designed for flat, high-hat, and dropper caps, concentrating the electromagnetic field to prevent heat damage to metal cap shells or pump nozzles.
Circulating Efficient Cooling System: Built-in air-cooling or self-circulating water-cooling system supports continuous 24/7 heavy-duty operation without power attenuation caused by overheating.
2. Precision Seaming & Roller Drive System (Can Seamer)
High-Hardness Chrome Steel / Servo Seaming Rollers: Seaming rollers undergo Cr12MoV / die steel quenching treatments for wear resistance and rust prevention, delivering smooth, burr-free, and wrinkle-free double seams.
VFD / Servo Lifting & Can Pedestal Mechanism: Smooth pedestal lifting tightly clamps the can base. Combined with rotary/non-rotary seaming modes, it ensures zero liquid spilling during high-speed seaming.
Multi-Cap Compatible Seaming Heads: Supports precision sealing for easy-open ends (aluminum/tinplate), plastic lids, and aluminum peel-off ends.
3. Central Intelligent Control and Safety Protection System
Siemens / Mitsubishi PLC Central Control: Industrial CPU monitors power output and line speed in real time, with one-touch loading for multi-recipe parameter sets.
Smart No-Foil / Fallen-Can Detection & Rejection: Imported photoelectric/inductive sensors scan in real time, automatically triggering pneumatic rejection for missing foil, incomplete seals, fallen cans, or uncapped containers, guaranteeing 100% qualified finished products.
Overload and Overcurrent Self-Protection: Features comprehensive alarm protections for overvoltage, overcurrent, and overheating, automatically pausing and displaying diagnostics to safeguard personnel and equipment.
Technical Specifications
| Technical Parameter | Option 1: High-Frequency Induction Foil Sealer (LT-SF) | Option 2: Automatic Can Seamer / Crimper (LT-FG) |
| Target Containers | Plastic (PE/PP/PET) & glass bottles with foil-lined caps | Tinplate cans, Aluminum easy-open cans, PET & paper cans |
| Sealing Speed | 30 – 150+ bottles/min (Depends on cap dia. & conveyor speed) | 20 – 60 cans/min (Single-head) / 60 – 120+ cans/min (Multi-head) |
| Container Spec. | Cap Dia: $\Phi 15 – \Phi 120\text{ mm}$ / Height: 30 – 300 mm | Can Dia: $\Phi 35 – \Phi 130\text{ mm}$ / Height: 40 – 250 mm |
| Sealing Principle | Non-contact high-frequency induction heating (0.1–0.3s) | Mechanical double-seaming (Cr12MoV hardened rollers) |
| Power Output | 1.5 – 4.0 kW (IGBT module with auto power compensation) | 0.75 – 2.2 kW (Main drive motor + Servo/Pneumatic lifter) |
| Cooling Method | Air cooling (Standard) / Closed-loop water cooling (Heavy-duty) | Industrial oil-lubricated gearbox + Air cooling (7x24h execution) |
| Qualified Rate | $\ge 99.5\%$ (Optional auto-rejection for missing foil/fallen bottle) | $\ge 99.8\%$ (Smooth seam, optional no-can no-cap protection) |
| Control System | Variable-speed conveyor belt + HMI / Digital power display | PLC + 7″ Touchscreen (Recipe memory & stepless speed tuning) |
| Extended Options | Stepped induction head for high caps, over-current protection | Optional vacuum / nitrogen flushing module (Anti-oxidation) |
| Power & Air Supply | AC 220V / 50Hz / 1.5 – 4.0 kW (Air for rejection: 0.4–0.6 MPa) | AC 220V/380V / 50Hz / 1.5–3.0 kW (Air supply: 0.4–0.6 MPa) |
| Material & Protection | SUS304 Stainless steel + Shielded induction head housing | Full SUS304 Stainless steel / Optional safety enclosure hood |
| Changeover Time | $\le 10$ mins (Handwheel elevation adjustment, no parts change) | $\le 15$ mins (Handwheel height adjust + quick-release chucks) |
| Integrated Options | Bottle Unscrambler, Capping Machine, Labeler, Inkjet Printer | Multi-head Filling Machine, Cap Feeder, Labeler, Case Packer |
Note: Actual sealing speed and quality depend on container material, foil liner thickness, can wall rigidity, and line speed. Vacuum nitrogen flushing seamers and custom large-diameter induction sealers are available upon request.
Workflow Breakdown
Electromagnetic Induction Foil Sealer Workflow
[Bottles with foil-lined caps enter]
↓
[Pass through high-frequency induction head (foil instantly heats up)]
↓
[Polymer film layer melts and securely bonds to bottle mouth]
↓
[Missing-foil photoelectric sensing (rejects non-compliant bottles)]
↓
[100% airtight finished product output]
Fully Automatic Can Seamer Workflow
[Can body enters pedestal]
↓
[Automatic lid feeding / placement]
↓
[Pedestal lifting pressure + dual/quad roller precision seaming]
↓
[Sealing complete, pedestal lowers]
↓
[Finished product pushed out]
Scope of Application & Equipment Comparison Guide
To assist in precise model selection, LANTU Machinery summarizes the applications and technical features of both equipment types below:
| Dimension | Electromagnetic Induction Foil Sealer | Fully Automatic Can Seamer |
| Sealing Principle | Non-contact induction heating melts the inner cap foil layer onto the bottle lip | Mechanical roller seaming (double seam) folds the lid rim and can body flange together |
| Applicable Containers | Plastic bottles (PE, PP, PET, PVC), glass bottles (threaded/press-on caps) | Tinplate cans, aluminum easy-open cans, PET plastic cans, paper composite cans |
| Primary Industries | Pharma syrups/capsules, sauces/agrochemicals, daily chemicals, health supplements | Nuts/dried fruits, snack foods, milk powder, canned sauces, craft beer/beverages |
| Sealing Performance | High leak prevention, tamper-evident, destruction upon opening | High barrier, moisture-proof preservation, pressure-resistant / vacuum / nitrogen flush compatible |
3 Reasons to Choose LANTU Machinery Sealing Equipment
When investing in automated packaging machinery, sealing integrity, low breakdown rate, and rapid changeover are key indicators. LANTU Machinery is committed to making every machine delivered “plug-and-play and built to last.”
Constant Power Output & Ultra-Strong Sealing: The induction sealer features automatic power compensation to prevent voltage fluctuations from affecting seal quality; the can seamer utilizes double-seam technology for exceptional moisture-proof preservation.
Comprehensive Pre-Shipment Live Testing: Before leaving the factory, every machine undergoes continuous load sealing tests across high, medium, and low speeds with various containers, followed by pressure and inversion leak testing to completely eliminate leak risks.
Rapid Changeover & High Compatibility: Features handwheel height adjustment for machine heads and quick-release designs for chutes and pedestals, enabling line changeovers for different bottle/can sizes in 10 to 15 minutes.
What Factors Should You Consider When Purchasing?
Container Material & Cap Type: Is the bottle neck threaded? Is there an aluminum composite liner inside the cap? Is the can body metal, PET, or paper?
Target Capacity (bottles/cans per min):
20–50 units/min: Tabletop/table-chain continuous induction sealers; single-head automatic can seamers.
50–120 units/min: High-power inline electromagnetic sealers; multi-head rotary can seamers.
Special Process Requirements: Do you require vacuum evacuation or nitrogen gas flushing (to extend food shelf life)? Do you need signal interlocking with upstream capping machines or downstream labeling machines?
Frequently Asked Questions (FAQ)
Q1: Can the electromagnetic induction foil sealer directly seal metal bottles or metal caps?
Answer: No. The electromagnetic induction principle heats the aluminum foil liner inside a non-metallic cap. If the cap or container itself is metal (such as tinplate lids or metal bottles), the induction field will directly heat the metal body, causing deformation or burning. For metal cans or metal lids, please select a can seamer directly.
Q2: Will the can seamer damage the rim of PET plastic or paper cans during seaming?
Answer: Not at all. LANTU Machinery’s seaming rollers utilize flexible curve feeding and precision micro-adjustment mechanisms. Dedicated roller contour angles for PET plastic and paper cans ensure tight double seams without crushing or deforming the container rim.
Q3: Can the machine detect if an aluminum foil liner was accidentally left out of a bottle cap?
Answer: Yes. An optional missing-foil rejection system can be integrated. When a bottle passes through the sensor, if no foil or an incomplete seal is detected inside the cap, a pneumatic push rod will automatically push the bottle into a rejection box, preventing defective products from entering the market.
Contact the source manufacturer today to get your custom aluminum foil sealer and can seamer solution!
LANTU Machinery — Dedicated to Packaging Equipment Manufacturing with Factory-Direct Quality Assurance.
Let’s discuss your packaging requirements.
Share your product, packaging format and production goals. Contact Lantu to discuss a suitable equipment configuration.