SEM-250-II Softgel Encapsulation Machine
Industrial-Scale Power for High-Volume Softgel Manufacturing
Same 20 plungers, same Φ150 × 250 die roll and the same filling accuracy as our servo flagship. What you give up is die roll speed — 5 RPM against 7 — and automatic die alignment. If you run one or two shapes and your volume sits under 170,000 an hour, this is the machine most of our customers buy.
- Output: up to 172,800 capsules an hour at 3# oval
- Filling accuracy: ±0.5% on oils, ±1.5% on suspensions
- Same die roll as our servo flagship: Φ150 × 250 mm, 20 plungers, at 5 RPM instead of 7
- Power: 12 kW, 380 V / 60 Hz / 3-phase
Heavy-Duty Stability: A reinforced frame and synchronised transmission hold the 20-plunger pump and Φ150 × 250 mm die rolls in phase through continuous 24-hour running.
- Automated Material Management: Features automatic gelatin level sensing and material feeding systems to minimize manual intervention and human error.
Is this the right machine for you?
✓ Yes, if…
- You need more than 150,000 capsules an hour
- You run several capsule shapes and want settings recalled rather than re-tuned
- Your fill is a clean oil where ±0.5% is worth paying for
- You already have drying capacity for this output, or you're buying it with the machine
✕ Buy something else if…
- You change shapes weekly → the 250-IIIA stores digital profiles; here you re-time mechanically
- You need more than 172,000 an hour → the 250-IIIA runs 7 RPM against 5
- You haven't sized your drying → this machine produces more than most plants can dry
Technical specification
Feature | SEM-250-II Specifications |
Die Roll Size | Φ150 × 250 mm |
Die Roll Speed | 0 – 5 RPM (Infinitely Variable) |
Number of Plungers | 20 Plungers |
Filling Accuracy | ±0.5%（Oil）/ ±1.5%（Suspension） |
Total Power | 12 kW |
Dimensions | 2100 × 1000 × 1900 mm |
Machine Weight | 1,500 kg |
Model comparison
Capsule size | SEM-100II | SEM-120-III | SEM-250-II | SEM-250-IIIA |
3# oval | 30,240 | 115,200 | 172,800 | 259,200 |
6# oval | 24,000 | 68,400 | 127,680 | 191,520 |
8# oval | 22,800 | 63,000 | 120,960 | 181,400 |
10# oval | 17,280 | 51,000 | 106,080 | 159,120 |
14# oval | 15,360 | 48,000 | 92,160 | 138,240 |
20# oval | 10,800 | 34,800 | 69,600 | 104,400 |
8# oblong | 18,240 | 49,200 | 109,200 | 163,800 |
10# oblong | 15,120 | 45,600 | 82,080 | 123,120 |
16# oblong | 13,680 | 32,400 | 69,120 | 103,680 |
20# oblong | 8,160 | 30,600 | 57,120 | 85,680 |
5# round | 24,480 | 79,200 | 158,400 | 237,600 |
10# round | 20,160 | 63,000 | 122,400 | 183,600 |
40# round | 5,760 | 27,600 | 66,240 | 99,360 |
Output depends on capsule size more than on anything else. A 3# oval and a 40# round come off the same machine at roughly a four-to-one ratio. Tell us your size and shape and we’ll give you the number for your product, not the headline one.
Large-Format Die Roll System (Φ150 x 250mm)
The SEM-250-II features our largest standard die roll, providing maximum pocket density. This significantly increases output per rotation, allowing you to meet massive market demands while maintaining lower operational costs per unit.
Advanced PLC Control & Touchscreen HMI
The entire production process is managed by a centralized PLC system. Operators can control die roll speed, injection timing, and temperature settings via a user-friendly interface, ensuring precise control over the entire encapsulation line.
Precision Injection with High-Volume Pump
The 20-plunger high-precision injection pump ensures that every capsule, even at high speeds, receives the exact dosage. With a tolerance of ≤±0.5% on oils and ±1.5% on suspensions — the two behave differently in the plunger, which is why they hold different tolerances.
Integrated Ribbon Cooling & Thickness Control
Equipped with dual independent cooling drums and high-efficiency cold air blowers, the machine ensures the gelatin ribbon reaches the perfect elasticity. The digital thickness adjustment guarantees a uniform shell for every batch.
Automatic Micro-Lubrication System
Our specialized micro-oil supply technology ensures the ribbon is perfectly lubricated with minimal oil consumption. This results in cleaner capsules that require less drying time and are easier to polish.
Applications & Industries
What changing over involves
Swapping the mold is physical work. Recalling the settings is not
What changed | What you adjust | Roughly |
Same shape, new batch | Nothing on the machine | — |
Different fill, same shape | Injection timing and wedge temperature | 15-30 Mins |
Different capsule shape | Die rolls and injection pump swap, then recalibrate | 15-30 Mins |
Gelatin → vegan shell | Not a changeover. That’s a build configuration | — |
On the servo models, once a product is dialled in, speed, temperature, injection timing and ribbon thickness are stored as a digital profile. The mold still has to be swapped by hand — what you save is the recalibration afterwards.
Custom die rolls for a new shape take 2 to 3 weeks to machine and test.
What to check before you buy
Filling accuracy, and on which fill
Oil and suspension don't hold the same tolerance — ours are ±0.5% and ±1.5%. Ask any supplier which number applies to your product, and ask how it's verified at the factory acceptance test. A single headline figure usually means nobody has asked.
The manual
A clear English manual gets your operator running in a week instead of a month. Ask to see a sample page before you order.
Installation and training
One engineer to your plant, three to four weeks. Travel and on-site costs are quoted separately. Installation isn't free anywhere — it's either a line item or it's inside the machine price. We quote it as a line item so you can see it.
Why Choose AIPAK？
We Size the Whole Line, Not Just the Encapsulator
An encapsulator running at full speed produces more capsules than most buyers expect to dry. A Φ1000 tumbler line needs 16 to 18 sections to support 24-hour production, not the 10 that cover a single shift. We calculate your drying, gelatin melting and inspection capacity alongside the machine — before you order, not after.
Formulation Decides Configuration
Vegan shells need a different wedge, a different spreader box and a heated cooling drum. High-viscosity fills need a colloid mill upstream. Suspension products hold a different filling tolerance than oils. Tell us what you are encapsulating and we will specify around it, rather than sending a standard machine and hoping it fits.
Factory-Direct Engineering
You work with the engineers who build the machine. Mould shapes, feeder configurations and line layouts are a conversation, not a change order passed down a chain. Two years of spare parts and on-site installation and training are included.
Lead Time and Support
1-3months from order, confirmed in writing. Spare parts held at the factory. One engineer on site for installation and operator training.
SEM-250-II Industrial Production FAQ
Stability at high speeds is our priority. The SEM-250-II features a heavy-duty frame and a precision-balanced 20-plunger injection pump. Unlike smaller machines, its transmission system is designed to handle high torque without vibration, ensuring a stable loading tolerance of ±1.5% even when running at maximum RPM for 24/7 industrial cycles.
We understand that gelatin cost is a major factor in large-scale production. The SEM-250-II is equipped with an electronic synchronization system that aligns the injection wedge with the die rolls instantly. This “Fast-Start” logic significantly reduces the amount of “waste ribbon” produced during startup compared to traditional mechanical machines, maximizing your yield per batch.
Absolutely. The cooling drums and gelatin box temperatures are independently controlled via the PLC. This allows for precise thermal management tailored to the specific melting points and setting speeds of different gelatin types, ensuring a uniform ribbon and perfect seam integrity regardless of the source material.
To support its high capacity, the SEM-250-II is equipped with an enhanced dual-drum cooling system and independent high-volume air blowers. For continuous industrial use, we provide integrated ports for external water chillers, ensuring the cooling drums maintain a constant, optimal temperature to prevent “sticky ribbons” or shell deformation.
The main shaft bores are machined on a Swiss-imported boring mill, so runout and parallelism between the left and right shafts stay within tight limits — that alignment is what determines how long a machine holds its seam quality. Under a standard preventive maintenance schedule, the drive system is built for long-term continuous industrial operation. We supply the maintenance schedule and a spare-parts list with the machine.
Despite its size, the SEM-250-II features a modular “Easy-Access” design. A complete set of die rolls and the injection pump can be swapped and recalibrated in approximately 60–90 minutes by two trained technicians. This minimizes downtime between different product batches (e.g., switching from 20 Oblong to 10 Oval).
Yes. The PLC system supports various industrial communication protocols. It can be linked to centralized monitoring systems (SCADA/MES) to track OEE (Overall Equipment Effectiveness), monitor batch data, and perform remote diagnostics. We also offer options for automated material feeding and gelatin level management to further reduce manual labor.
We maintain a comprehensive inventory of critical spare parts (seals, plungers, heating elements) ready for immediate dispatch. For our SEM-250-II industrial clients, we provide priority technical support, including remote video diagnostics and on-site engineering services to ensure your production line never stops.
Future-Proof Your Production with Full-Servo Intelligence
Get a Comprehensive Technical Proposal & ROI Analysis
Maximize your yield and minimize downtime with the world’s most advanced softgel technology. Whether you are building a new smart factory or upgrading a high-volume line, our senior engineering team will provide a tailored configuration to meet your exact pharmaceutical or nutraceutical standards.
