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| Place of Origin | Shanghai, China |
| Brand Name | YIMU |
| Certification | CE, SGS |
| Model Number | LM3000 |
The Full Automatic LM3000 Aluminum Foil Sealing Machine is a continuous induction cap sealer built for production environments where sealing runs as an uninterrupted process rather than a discrete operation. It belongs to the class of equipment that sits inline within a filling and capping chain and is expected to keep pace with it — shift after shift, without requiring the line to slow down around it.
That expectation shapes everything about how the LM3000 is specified. Continuous operation means heat accumulates in the induction head and power electronics without pause, so the cooling architecture must remove heat as fast as it is generated rather than merely dissipating it between cycles. Continuous operation also means the machine is exposed to whatever the plant electrical supply does over a full working day, so power delivery must be regulated rather than fixed. And continuous operation across multiple products means changeover must be fast enough that switching SKUs does not idle the line.
It seals PE, PP, PET, PS, ABS, and glass containers using aluminum foil induction liners, with protection logic covering over-current, over-voltage, over-temperature, and water shortage conditions. As a factory-direct product, voltage, sealing head diameter, conveyor dimensions, and control interface are configurable at the point of order.
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| Parameter | Specification |
|---|---|
| Model | LM3000 Induction Sealing Machine |
| Sealing Method | Electromagnetic induction (non-contact) |
| Automation Level | Full automatic, continuous operation |
| Cooling System | Dual-circuit self-circulating water cooling |
| Input Voltage | AC 220V ±10%, 50–60Hz, single phase (custom voltages available) |
| Maximum Sealing Speed | Up to 250 bottles/min |
| Sealing Diameter | φ20–φ180 mm (adjustable; custom heads available) |
| Sealing Height | 20–400 mm |
| Container Materials | PE, PP, PET, PS, ABS, Glass (not for metal containers or metal caps) |
| Liner Compatibility | Aluminum foil induction liners (one-piece & two-piece) |
| Main Unit Weight | 95 kg net / 125 kg gross |
| Certification | CE |
| Warranty | 2 years |
Induction sealing is a well-established method and the mechanism is consistent across equipment: high-frequency alternating current passes through an induction coil and generates an oscillating magnetic field. When a capped container passes through that field, eddy currents are induced in the aluminum foil liner inside the cap. The foil heats within milliseconds, the polymer layer beneath it melts, and under the pressure of the cap it bonds to the container rim. By the time the container clears the coil, the polymer is cooling, and within seconds the seal is solid.
What distinguishes a full automatic machine in continuous production is what happens between the first container and the ten-thousandth.
High-frequency induction modules and the induction coil itself generate heat continuously during operation. In an air-cooled machine, heat accumulates and is removed gradually by airflow. Over a long production run, the operating temperature of the coil and power devices rises, and as temperature rises, output characteristics shift. The practical result is that sealing conditions verified at the start of a shift may no longer produce the same seal several hours later — a decline that appears in reject data rather than on the machine display.
The LM3000 uses a dual-circuit self-circulating water cooling system, cooling the induction head and power module on separate loops. Water's high thermal capacity allows the machine to hold stable operating temperature for as long as the line runs. Sealing conditions established at setup remain valid throughout the run.
Industrial facilities share electrical supply across compressors, welders, motors, and HVAC systems, and voltage at the packaging line fluctuates as a result. A sealer with fixed power settings delivers varying energy under those conditions, and varying energy produces varying seals. The LM3000 regulates output to maintain consistent energy delivery regardless of what else is drawing on the plant supply.
The dual-circuit water cooling system holds stable operating temperature across extended runs, so the sealing conditions established at setup remain valid from the first container to the last. This is the machine's defining advantage for production environments where sealing runs uninterrupted.
At up to 300 bottles per minute, the LM3000 matches the output of high-speed filling and capping equipment. Conveyor speed is adjustable between 6 and 18 m/min to suit different container formats and line rates, so sealing does not become the constraint on total line capacity.
The machine seals PE, PP, PET, PS, ABS, and glass containers, with sealing diameters from φ20 mm to φ180 mm and container heights from 20 mm to 400 mm. That range covers pharmaceutical bottles, beverage and sauce containers, cosmetic jars, and wide-mouth industrial packaging.
Nothing heated touches the container, the cap exterior, or the contents. For temperature-sensitive products — pharmaceuticals, biological preparations, dairy, juices, active-ingredient cosmetics — this removes heat exposure as a quality risk and eliminates the contamination pathway created by tooling that contacts every container in sequence.
The foil membrane blocks oxygen and moisture ingress. For food products this means retained texture, aroma, and flavor without added preservatives. For pharmaceuticals and nutraceuticals it means formulation stability through distribution. For hygroscopic powders it means the product performs as specified months after filling.
These categories frequently involve high humidity, dust, and corrosive atmospheres. The LM3000 is specified for those conditions, with comprehensive circuit protection and a sealed electrical architecture that allows reliable operation where standard machines struggle.
Leakage in transit is among the costliest failure modes in liquid food packaging — one failed seal can damage an entire case. Induction sealing produces a full-perimeter bond that survives distribution and retail display, and the machine's stability across long runs keeps reject rates low during high-volume production.
Juices, teas, functional drinks, and liquid supplements depend on barrier protection to preserve flavor and nutritional content. Because sealing is non-contact, temperature-sensitive ingredients are not exposed to heat during the sealing step.
Preservative-free and natural formulations are especially vulnerable to contamination and oxidation. Induction seals protect the product through the supply chain, and the clean foil membrane the consumer sees on opening reinforces premium positioning.
For co-packers, changeover time determines margin. The wide sealing diameter range, adjustable guide rails, and recallable settings let operators move between container formats and products in minutes, allowing one machine to cover a diverse order book.
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Factory-Direct Manufacturing. We build rather than resell, which means transparent pricing without distributor layers, genuine customization at the point of order, and spare parts sourced from the original production line.
Documented Quality Control. Every unit is inspected at component level before assembly, run at full power during burn-in testing, and verified for sealing performance using sample containers before packing. Machines ship with test documentation, wiring diagrams, and operation manuals.
Application Validation Before Purchase. Container-liner-cap combinations behave differently, and the correct operating window is specific to your product. We support pre-purchase validation with your own containers and liners, so the machine arrives configured for your application rather than a generic specification.
Global Service Commitment. A 2-year warranty covering parts and labor, remote technical support by video call and email, on-site installation and training for volume orders, and a maintained spare parts inventory for fast dispatch.
Packaging Line Depth. Our engineering background spans filling, capping, labeling, and sealing, so the LM3000 is designed to integrate with the equipment around it. Complete line layout and configuration support is available.
Q1: What does "full automatic" mean in practice for this machine?
Containers feed onto the conveyor, pass beneath the induction coil, and discharge sealed without operator involvement. The operator's role shifts from performing each seal to verifying that the process is producing good seals, and to managing changeover between products.
Q2: How is the LM3000 different from air-cooled induction sealers?
The LM3000 uses a dual-circuit self-circulating water cooling system, while air-cooled models rely on forced airflow. Water cooling provides stable heat management during extended full-load operation, meaning output does not drift over a long production run. Air-cooled models are simpler to install and require no coolant.
Q3: What infrastructure does the water cooling system require?
The system is self-circulating — an internal reservoir and pump form a closed loop. Cooling water must be added before use, and antifreeze must be used where ambient temperature drops below freezing. The machine includes water-level monitoring and automatic cut-off protection.
Q4: What container materials and cap sizes does the machine support?
PE, PP, PET, PS, ABS, and glass containers, with sealing diameters from φ20 mm to φ180 mm and container heights from 20 mm to 400 mm. Custom sealing heads are available. Metal containers and metal caps cannot be sealed with induction technology.
Q5: How do I determine the correct sealing settings for my product?
Each container-liner-cap combination has a specific operating window between minimum energy for a complete bond and maximum energy before the liner is compromised. We provide a step-by-step procedure for establishing it, and settings can be saved and recalled for repeat production.
Q6: What maintenance does the machine require?
Routine maintenance is limited to checking coolant level and topping up as needed, inspecting the sealing head for debris, cleaning or replacing air filters, and checking conveyor belt tension and alignment.
Q7: What is the lead time, and how is the machine shipped?
Standard configuration lead time is approximately 10–15 days. Machines ship worldwide by sea freight for cost efficiency or air freight for urgency, professionally crated for international transport.
Q8: What support is provided after delivery?
A 2-year warranty covering parts and labor, remote technical support by video call and email, a documentation and video training library, and on-site installation and training for volume orders.
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