Automatic Capsule Filling Machine — NJP Series, 200 to 7500

Precise dosing solutions for powders, pellets, and liquids—from R&D to high-output manufacturing.

Capsule sizes 00# to 5#
Heavy-duty 100DS indexing box
12,000 to 450,000 capsules/hour

Why Choose AIPAK Automatic Capsule Filling Machine?

With world-class manufacturing expertise and a deep understanding of the pharma market, AIPAK implements advanced features to enhance your production capabilities.

Wide Application Range

Wide Application Range

It works with capsule sizes of 000 to 5 and is suitable for powder, granules, pellets, and tablets, making this the most versatile automatic capsule filling machine for diverse formulations.

Wide Selection Based On Output

Choose the right solution from our NJP-200C to 7500C series. With stable industrial outputs ranging from 12,000 to 450,000 capsules per hour, we cater to every scale from R&D to mega-factory requirements.

Modular Design, Easy To Operate

Modular Design, Easy To Operate-2

Featuring a pull-out dosing design and modular platform, our machines allow end-users to complete mold changeovers and rapid cleaning within 15-30 minutes, ensuring maximum production flexibility.

Easy To Maintain

The one-piece enclosed turntable utilizes oil-free bearings and skeleton seals, preventing powder ingress. This robust engineering ensures the system is maintenance-free for up to 3 years, significantly lowering your OPEX.

Low Noise, Zero-Damage

Low Noise, Zero-Damage-1

Our machines adopt CNC one-shot molding inner groove cams and imported SEW motors for superior mechanical stability. It operates at a low noise level of <75dBa, ensuring a premium environment for GMP workshops.

Environmentally Friendly & Efficient

Environmentally Friendly

Equipped with a patented powder recovery device, our automatic capsule filling machines achieve a 100% recycling rate for stray powder. This reduces API waste and drastically improves your economic efficiency.

Versatile Capsule Filling Applications

Whether you are producing pharmaceuticals or nutritional supplements, our modular platforms support you from R&D to high-output manufacturing. We scientifically evaluate your product characteristics to ensure maximum dosing precision.

Powders & Granules
Sticky & TCM Powders
Pellets & Pellets-in-Capsule
Tablets & Micro-tablets
Liquids & Semisolids
Complex Combinations

Automatic Capsule Filling Machine: NJP Series Solutions

Compliance & Intended Use Notice: This machinery is engineered and sold strictly for lawful industrial manufacturing within the pharmaceutical, nutraceutical, food processing, and cosmetic sectors. It is strictly prohibited to utilize this equipment for the processing, manufacturing, or packaging of any unapproved, illicit, or controlled substances prohibited by local, state, federal, or international regulations. The buyer assumes 100% legal liability to ensure that all purchase, importation, and operational usage fully complies with the applicable regulations in their jurisdiction.
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Documentation & Selection Support

Verify our quality standards and simplify your procurement process with our official documentation.

Product Portfolio

Explore technical specs for the complete range of 8 models (200C - 7500C).
Quality Assurance

Quality Assurance

Official certification ensuring our equipment meets the highest safety standards.
Technical Standards

Technical Standards

Detailed insights into the core patented technology of our NJP filling machines.

FAQs on Automatic Capsule Filling Machine

How do AIPAK machines ensure high dosing precision for difficult powders?

Precision and flexibility are essential for production success. Our machines utilize optimized tamping pin technology to maintain ±1% to ±3% accuracy. For challenging materials like sticky TCM or herbal powders, we implement specialized vibration-assisted feeding systems to ensure consistent material flow and maximum precision.

Can one machine handle different product types like pellets, tablets, or liquids?

Yes. Our automated capsule-filling machines are designed with modular platforms for maximum flexibility. They are tailored to handle a vast range of products, including powders, pellets, tablets, micro-tablets, and liquids. Interchangeable dosing units allow for extra flexibility in machine configuration and various filling combinations, such as powder + pellet.

What technologies are used to monitor product quality in real-time?

We offer several quality control and inspection technologies for advanced process monitoring. This includes the Net-Weight-Detection System (NWDS) for 100% weight control via electromagnetic field sensors. Additionally, integrated gravimetric scales (IPC) allow for automatic statistical checkweighing to analyze capsules in real-time, reducing waste and improving batch quality.

How do you solve the problem of powder loss during the filling process?

Our machines feature a patented powder recovery device designed for zero-waste production. This system identifies and rejects non-separated capsules automatically while reclaiming stray powder for a 100% recycling rate, significantly improving economic efficiency.

What documentation comes with the machine?

Product-contact parts are 316L stainless steel, supplied with EN 10204 3.1 mill certificates. The machine is CE marked with a Declaration of Conformity, and ships with mechanical and electrical schematics, an English operating manual and a spare parts list. If your quality system needs additional qualification documents, tell us at the quotation stage.

What is the typical timeframe for a size changeover?

User-friendly operation and rapid cleaning times are hallmarks of our range. Thanks to our modular design and pull-out dosing rods, end-users can complete mold and segment changeovers in under 30 minutes, ensuring maximum production uptime.

Do you offer machine trials before a final purchase?

Yes. We provide an OSD Customer Center where customers can perform trials themselves or have our process specialists perform them. You can use your own materials and capsules to evaluate dosing precision and machine performance before committing to a solution.

How does the machine handle different capsule types like Gelatin or HPMC?

All types of empty capsules can be filled on our NJP series. This includes standard gelatin capsules and hydroxypropylmethylcellulose (HPMC) capsules, which offer a vegan alternative for the health and nutrition industry.

The Ultimate Capsule Filling Machine Guide: Optimizing Powder Dosing Accuracy, Tamping Mechanics, and High-Speed Throughput for Solid Dosage Lines

Do you know that the primary elements in many pharmaceutical powder encapsulation processes are consistent weights, material integrity, and smooth production runs? When formulation is produced and dispensed in the capsules, the weights and materials integrity should be accurate and precisely filled.

Deviation from these parameters can lead to massive rejection of production batches and compromised quality profile of medicines.

To limit the financial loss in the manufacturing process, manufacturers must upgrade their industrial layout with a capsule filling machine equipped with precise tamping pin mechanics, enclosed turret designs, and automated fault-rejection systems.

This technical buying guide is designed to provide clear engineering solutions. A fundamental approach to explore vital dosing calibration parameters, tooling changeover tips, and commercial benefits of equipment validated under active cGMP manufacturing compliance.

Table of Contents

1.How Does an Industrial Capsule Filling Machine Work to Guarantee Precise Powder Dosing?

Powder Filling

Powder Filling

An industrial capsule filling machine works based on a synchronized rotary mechanism. Machines follow essential operating steps in a continuous cycle: capsule rectification, separation, dosing, closing, and ejection.

An enclosed vacuum-assisted mechanical process ensures massive production without dust formation and errors. How does a capsule filling machine work with extremely high precision? Modern capsule filling machines work beyond standard protocols due to applied engineering techniques. At AIPAK, we look to minimize limitations and focus on more precise dosing by addressing the following factors:

Optimizing Tamping Pressure Across Powder Densities

Tamping Pin System

Tamping Pin System

Different materials have different bulk densities. In our experience when processing encapsulation of fine sticky powders or poor flowability materials. Increase the height and force of tamping pins to induce suitable compaction without dose inconsistencies. In the case of heavy material, increase tamping depth to obtain adequate material cohesion.

Addressing Weight Variation During High-Speed Runs

Weight variation is often the result of batch rejection. At high-speed, machine vibration and impacts can affect dose uniformity. In this case, our expertise highlights the need to rectify improper tamping pin settings. If your setting of the first pin is slightly above the last pin, this would help in stable operation without weight variation. Second, use an agitator in the powder hopper. This ensures even dosing before it goes to the tamping phase.

Fix Airborne Dust Control & Material Loss

With high production encapsulation, the probability of losing expensive ingredients is higher due to airborne dust. Our engineering expertise has addressed this challenge with the implementation of key features into our machines to limit expensive product waste.

Integration of Dust Extractor

AIPAK Automatic Capsule Filling Machine

AIPAK Automatic Capsule Filling Machine

The integration of a dust extractor works with negative pressure. The objective is to create a continuous dust-pulling phenomenon from the machine that positively helps in safe filling without airborne particles. The extracted powders are sent back to the hopper of the machine without physical or human involvement.

Why is our enclosed turret design technically superior for specific hazardous materials.

AIPAK’s advanced capsule filling machine is enclosed with an airtight sealing configuration. We would suggest opting for the system, especially when you’re encountering fine powders, highly potent ingredients, or hazardous materials, to limit potential loss and health issues.

2.What Are the Throughput Trade-offs Between Semi-Automatic and Fully Automatic Capsule Fillers?

In small capsule production industries, factory capacity is dependent on manufacturing small batches. To meet work requirements, the work plan is based on limited batch production. However, large industries would require a 24/7 production process with multiple shifts. In this case, you can’t rely on human dependency; rather, high automation is required. Workflow related to production capacity is highly dependent on the degree of automation of the capsule filling machine.

Semi-Automatic Capsule Filling Machine

AIPAK Semi Automatic Capsule Filling Machine

AIPAK Semi Automatic Capsule Filling Machine

A semi-auto capsule filling machine is suitable equipment for R&D, clinical trial production, and small industrial production. The production operation involves semi-automatic functional keys.

The loading of empty capsules and fixation is manually handled. Capsule separation and remaining functions are performed automatically. The final removal of finished capsules is again done with the help of an operator. The production plan is limited with lower capital cost.

Automatic Capsule Filling Machine

Automatic Capsule Filling Machine

AIPAK Automatic Capsule Filling Machine

In comparison to semi-automatic capsule machines, an auto capsule filling machine or automatic capsule filler is a well-engineered solution for a continuous production layout. This is a stable operating solution that is capable of integration and features fully synchronized stations. From capsule orientation to its final ejection, machines can run multi-shift operations in longer-term production capacities.

The key trade-off between semi-automatic and fully automatic capsule fillers is mainly based on production output and human involvement. Semi-automatic capsule filling provides an adaptable system for various batches, but due to lower and inconsistent output, manufacturers may struggle to attain desirable goals. On the other hand, a fully automatic capsule filler is an excellent revolution in the encapsulation era.

Our expertise would suggest that an automatic machine is best for you, as it eliminates human involvement, reduces operational fatigue, and reduces the chances of error.

With AIPAK automatic capsule filling machines, manufacturers can obtain good quality encapsulation output on a large scale. Our machines can operate consistently based on hourly production rates. We offer premium quality solutions where overall output is stable and efficient.

3.How to select between Tamping Pin and Dosator technologies based on powder bulk density and formulation characteristics?

Selecting between tamping pin and dosator technology always hinges on powder bulk density and basic formulation characteristics. For deeper insight, we have mentioned the key selection criteria to get the best technology.

Powder Bulk Density

Powder Bulk Density

Powder Bulk Density 

Customers mostly find confusion if the powder bulk density is fluffy and lightweight. In this case, select a dosator. It utilizes vacuum suction that easily withdraws low-density material without needing extra energy and force.

For medium to high density powders, select a tamping pin. The machine is designed with a multi-compression mold that utilizes high compression and is ideal for heavy powders encapsulation.

Formulation Characteristics

Formulation Characteristics

Formulation Characteristic

Many pharmaceutical preparations are based on micro-dosing. In that case, the dosator is ideal as it ensures that the dosing offered to encapsulation is extremely precise and accurate. On the other hand, if the formulation is high-dose, the tamping pin is ideal for you. For instance, antibiotics, nutraceutical supplements, etc.

Some formulations are cohesive in nature; in that case, dosator is recommend option. The reason is that it is an enclosed design that uses a hollow tube and a piston to transfer sticky material without spilling.

Tamping pin is what we build, and it handles more than the textbook suggests. Fluffy low-density powder and sticky herbal material are the two cases usually cited against it — both are addressed on our machines by a butterfly-valve hopper with forced vibration, which force-feeds material that a screw feeder would jam on. If your powder is genuinely at the edge, send us a sample and we’ll run it before you decide.

4.How Do Tamping Pin Configurations Optimize Dosing Accuracy for Variable Capsule Sizes?

Capsule Filling Machine Dose Adjustment

AIPAK’s Capsule Filling Machine Dose Adjustment

Tamping pin configuration is a specialized unit that serves pharmaceutical and nutraceutical manufacturing with dosing accuracy for variable encapsulation sizes. The capsule filling process has evolved over the decades and is driven by modern quality control metrics for dose precision.

The dose optimization with a tamping pin is mainly balanced by multi-station compression of powder material into a slug. This directly impacts dose density and compactness of the plug into each capsule in a controlled manner.

Based on our expertise, the dose adjustment for variable capsule sizes, i.e 000 to 5, is based on disc bore thickness (thick disc, more weight filling), insertion of the pin (depth and pressure; more pressure, more powder filling), and the nature of the powder bed.

AIPAK engineering capsule filling machine multi-bore dosing provides dose precision ±3.5%, with the qualified rate of capsule accuracy being ≧99%.

Capsules

000

00

0

1

2

3

4

5

Locked Length

(mm)

26.14

23.30

21.70

19.40

18.00

15.90

14.30

11.10

Cap Length

(mm)

12.95

11.8

10.85

9.85

8.8

8

7.2

6.2

Body Length (mm)

22.2

20.22

18.35

16.4

15.15

13.45

12.1

9.3

Capsule Size Chart

Our modularity of tooling blocks makes it easy to replace when required for different capsule sizes. The standard unit is composed of significant components such as tamping pins and dosators. An advanced capsule filling machine offering tooling blocks with fast changeover molding sets.

We offer pre-calibrated format molds for capsule sizes 000, which is the highest volume, to 00, typically a standard capsule size. Therefore, customers can get tool-less adjustable components, enabling reduction of downtime and boosting fast production.

5.How Do Enclosed Turret Designs Ensure Safety and cGMP Compliance During Production?

Enclosed Turret Design

Enclosed Turret Design

A well-engineered industrial capsule filling machine is designed with controlled containment parameters. Thus, from general medicines to highly sensitive ingredient products are capsule filling machines safe. From an engineering perspective, when a system has enclosed turret designs and is properly made up, it will ensure safety for operators’ health.

The turret processing occurs inside the chamber. From filling to ejection, all steps occur under strict containment. Side by side, negative pressure inside the system prevents powder particle to expose to the cleanroom.

The common problems with powder ingredients are dust exposure, which results in respiratory problems for workers, which is controlled by real-time powder particle capture during running cycles. In this case, AIPAK offers an enclosed capsule filling machine and features Wash-in-Place (WIP) readiness to reduce cross-contamination and is an excellent option for dust control.

6: What Critical Manufacturing Quality Elements Identify the Best Capsule Filling Machine Partner?

When choosing ‘what is the best capsule filling machine,’ it would be easy if focusing on basic engineering strategies. We would suggest focusing on the quality of the machine’s material. The answer is very simple: highlight the traceability of each component.

Analyze the Machine’s Material

A good capsule filling machine is one made up of SUS316L stainless steel and supports cGMP-compliant production.

Confirm Advanced Controlled System

The next step is to check automatic and advanced control systems. Every best capsule filling machine will offer an advanced PLC touchscreen and servo-motor driver. You need to put the data in, and the system will operate the process in a controlled manner.

Best Procurement Team

Where to buy capsule filling systems is the most logical point. A good supplier focuses on process expense, reliability, and complete production support. Our engineering team has provided some checkpoints to get in touch with a good company.

For instance, always go for an OEM company that directly provides engineering support and FAT (Factory Acceptance Testing) for your products; say NO to a third-party seller; check spare parts supply and installation support. AIPAK capsule filling machines are provided by an OEM team. The machines offered are easy to run, and built-in properties ensure long-lasting equipment performance.

Conclusion:

The expanded market of capsule filling machines in solid dosage formulation production is based on automation, tamping, modular tooling for different-sized capsules, and well-controlled containment technology. For international capsule production directors, if you are looking for a solution to limit weight variation, increase line uptime of encapsulation, and production support. We would suggest submitting powder bulk density and capsule specifications. Our AIPAK engineering team will help with a free line layout audit. Contact AIPAK’s solid dosage engineering team today to begin the journey of production success.

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Avril

Senior Technical Support & Project Integration Specialist at AIPAK
Avril specializes in the mechanical optimization of solid dosage lines. With years of hands-on experience in dosing calibration and cGMP compliance, he helps manufacturers bridge the gap between technical machine capabilities and real-world production efficiency. His goal is to provide engineering-driven insights that eliminate batch rejection and ensure long-term operational success.

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