Hard Gelatin Capsule Filling Machine

Description

Hard Gelatin Capsule Filling Machine, also known as a capsule filler or encapsulator, is specialized equipment used primarily in the pharmaceutical, nutraceutical, and supplement industries to fill empty hard gelatin capsules with precise doses of powders, granules, pellets, mini-tablets, liquids, or semi-solids. These capsules consist of two interlocking halves made from gelatin derived from animal collagen, water, and sometimes colorants or plasticizers. The machines automate the process of orienting, opening, filling, and closing the capsules, ensuring accuracy, consistency, and compliance with standards like GMP and pharmacopeia requirements. Hard gelatin capsules are preferred for their ease of swallowing, tamper-evident design, and ability to mask bitter tastes or odors. They are widely used for oral solid dosage forms in drugs, vitamins, and herbal supplements.

The working principle of a hard gelatin capsule filling machine involves a step-by-step automated or semi-automated process:

Capsule Feeding and Orientation: Empty capsules are loaded into a hopper and oriented using mechanical vibrations or gravity.

Separation and Transfer: The machine separates the cap from the body and transfers the bodies to a dosing station.

Filling: The precise amount of material is dosed into the capsule body. For powders/granules, tamping pins compress the fill into slugs; for liquids or pellets, specialized dosers are used. Filling accuracy is typically ±3-5% of the target weight.

Closing and Ejection: The caps are rejoined with the filled bodies, and the completed capsules are ejected onto a conveyor for further processing.

Cleaning and Inspection: Integrated systems often include dust removal, weight checks, and rejection of defective capsules.

Most machines operate intermittently or continuously, with safety features like overload protection and automatic shutdown for material shortages. The process minimizes dust and ensures high precision, especially for heat-sensitive or hygroscopic materials.

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Salient Features of Hard Gelatin Capsule Filling Machine

Compact Model.
Option of Stainless Steel 304 and 316 materials constructions.
Option of Manual Capsule Loader as well as Auto Capsule Loader for loading empty capsules onto loading tray.
Powder tray provided for spillage free filling of powder.
Interchangeability to different capsule size format parts.

Machine suitable for hard gelatin capsules, veg capsules and HPMC capsules.
Power with different bulk density can be filled easy through multiple press option.
Universal design hence easy to operate and easily service available.
Tablet Filling Attachment can be offered optionally to fill tablets into capsules.
IQ/OQ documentation can be provided.

Working Principle of Hard Gelatin Capsule Filling Machine

Adinath is one of the leading manual capsule filling machine manufacturer in India. We are giving here below step by step process guide of Capsule Filling Machine:

Place empty capsules onto the loading tray and place tray onto the machine. Check the front knob it should be turned to the right.

Pull locking lever forward. Push down long handle which will lifts the caps off all the bodies. Set aside the tray containing all the caps.

Push locking lever back, by which capsule bodies will drop down and become level with filling surface.

Place powder tray on filler: keeps powder from spilling.

Pour & spread the pre-measured powder. Move extra powder onto powder tray’s shelf. Lower tamper and lock.

Turn handle to compress powder: this allows you to fill more powder in each capsule.

Raise tamper & spread extra powder from shelf into capsules: ensures uniform fill weights.

Return the tray containing caps to filler. Turn front knob to the left and lower locking plate. Engage lock for locking plate.

Hold tamper handle and push down on long handle. Bodies are pushed up into caps: all the capsules are now locked in one step.

Disengage lock for locking plate. Lift locking plate and turn front knob to the right.

Push down long handle and remove tray of completed capsules.

Capsules are filled now. You can turn tray and all the capsules will get out from the tray.

Technical Specification of Hard Gelatin Capsule Filling Machine

Model	CFM 300
Production Output	Up to 6000 Capsules/hour
Capsule Combinations	Size 00, 0, 1, 2, 3, 4 and 5 (through different machines & parts)
Sequence of holes	25 x 12 = 300
No. of Loading Trays	Three nos.
Overall Dimension	405mm X 300mm X 455mm approx.
Net Weight	43 Kgs. approx.
Gross Weight	50 Kgs. approx.

* Power voltage can be adjusted as per customer’s domestic power voltage requirements.
* Rights of technical improvements & modification reserved.
* Illustrations & dimensions are shown for information purpose only.

Types of Capsule Filling Machine

100 Holes Capsule Filling Machine

Automatic Capsule Filling Machine

Automatic Capsule Loader

Capsule Filling Machine with Loader Orienter

Capsule Polishing Machine

Lab Scale Automatic Capsule Filler

Manual Capsule Filling Machine

Semi Automatic Capsule Filling Machine

Applications of Capsule Filling Machine

Advantages of Hard Gelatin Capsule Filling Machine

High throughput reduces labor costs.

Precise dosing ensures uniform drug release and bioavailability.

Versatile for R&D to commercial scale; supports clinical trials.

Quality: Minimizes contamination; easy cleaning for batch changes.

Key Features of Hard Gelatin Capsule Filling Machine

Capsule Sizes: Compatible with standard sizes 000 to 5; most handle 00 to 4.

Filling Accuracy: Meets USP/EP standards; uses volumetric or auger dosing.

Materials: Stainless steel construction for hygiene; CE/GMP/ISO certified.

Safety and Efficiency: Touchscreen controls, variable speed, low noise, and energy-efficient.

Add-Ons: Capsule polishers, vacuums for dust control, and vision systems for defect detection.

Challenges Addressed: Handles incompatible materials via two-phase fills; prevents cross-linking for solubility control.

FAQ for Hard Gelatin Capsule Filling Machine

What is a Hard Gelatin Capsule Filling Machine?

A Hard Gelatin Capsule Filling Machine (also known as a capsule filler or encapsulator) is specialized equipment used to fill empty hard gelatin capsules with precise doses of powders, granules, pellets, mini-tablets, or other materials. It is widely used in the pharmaceutical, nutraceutical, Ayurvedic, herbal, and supplement industries. The machine ensures accurate filling, consistency, and compliance with GMP standards while handling the two-piece interlocking hard gelatin capsules.

What is the production capacity of the Hard Gelatin Capsule Filling Machine?

The standard model (CFM 300) features 300 holes and can produce up to 6,000 capsules per hour, depending on operator skill, powder characteristics, and capsule size. It comes with three loading trays for improved productivity. Optional Automatic Capsule Loader can further increase output significantly.

Which capsule sizes can the Hard Gelatin Capsule Filling Machine handle?

The machine supports capsule sizes 00, 0, 1, 2, 3, 4 & 5 through interchangeable change parts. It is suitable for filling hard gelatin capsules as well as vegetarian (HPMC) and veg capsules, making it versatile for various pharmaceutical and nutraceutical formulations.

What are the key features of the Hard Gelatin Capsule Filling Machine?

Key features include:

Compact GMP-compliant design
Contact parts in SS 304 or SS 316
Powder tray for spillage-free filling
Multiple tamping options for different powder densities
Interchangeable format parts for easy size changeover
Option for Manual or Automatic Capsule Loader
Tablet filling attachment (optional)
Easy dismantling, cleaning, and maintenance
IQ/OQ documentation available

How does the Hard Gelatin Capsule Filling Machine work?

The process involves:

Loading empty capsules into the tray and separating caps from bodies.
Placing the powder tray and spreading/tamping the powder into the capsule bodies for uniform fill weight.
Aligning the cap tray and locking the capsules in one stroke.
Ejecting the filled capsules.

It is a simple, manual operation (no electricity required for basic model) that ensures precise and consistent filling.

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