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The Ultimate Guide to Tablet Inspection Machine

The Ultimate Guide to Tablet Inspection Machine
The Ultimate Guide to Tablet Inspection Machine

Overview of Tablet Inspection Machine

Overview of Tablet Inspection Machine

What is a Tablet Inspection Machine?

A Tablet Inspection Machine is a dedicated equipment used in the pharmaceutical industry to investigate tablet quality. The machine inspects each tablet individually to detect defects and then decides how to handle them through technology. It enables the removal of pills that don’t meet quality control criteria, minimizing quality hazards in the manufacturing process. The inspection comprises several quality attributes, including physical properties such as chipping, cracking, capping, splitting, and discoloration.

Types of Tablet Inspection Machine

Two main types of Tablet Inspection Machines are used in the pharmaceutical industry. Firstly, there is the Vision Inspection Machine. This machine utilizes advanced camera systems alongside multiple light sources. The Vision Inspection Machine takes high-quality pictures of the tablets and analyzes them based on pre-set criteria. It is ideal for simple defect detection. Although this machine works quickly and effectively, installing it is costly and requires periodic maintenance checks.

The other type is the Laser Detection Machine. The Laser Detection Machine uses laser beams and specialized sensors to assess the quality of the tablet. It is perfect for detecting complex defects such as cracks, splits, and internal holes. This machine operates at high speed and removes pills with any defects with precision and accuracy. Nonetheless, it comes with a higher price tag than other inspection machines.

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Benefits of Tablet Inspection Machine

Benefits of Tablet Inspection Machine

Improved Productivity and Efficiency

A Tablet Inspection Machine significantly improves productivity and efficiency in the pharmaceutical production line. With its ability to automatically inspect and sort tablets, the machine reduces the risk of human error and increases quality control accuracy. This automation also reduces the need for manual labor, allowing workers to perform other tasks and increasing overall production capacity. Additionally, the machine can quickly identify and reject defective tablets, enhancing production efficiency by preventing the need for manual inspection or sorting.

Cost Reduction and Management

Using a Tablet Inspection Machine helps pharmaceutical companies in cost reduction and management. The machine eliminates the need for manual inspection, reducing labor costs and the time required to inspect tablets. Identifying and rejecting defective tablets early in the production process reduces the risk of product recalls, resulting in less financial loss and higher control over production costs. The machine provides important analytical data, allowing for better cost management by tracking key performance indicators and identifying areas for improvement.

Increasing Product Quality and Customer Satisfaction

Using a Tablet Inspection Machine helps increase product quality and, in turn, customer satisfaction. The machine ensures that every tablet meets the required quality standards by automatically identifying and rejecting defective tablets. This helps to maintain consistency and uniformity in the product, reducing the risk of adverse health effects and product recalls. The reliable and consistent production of high-quality tablets improves customer satisfaction, increasing consumer confidence and sales.

Promoting Regulatory Compliance and Risk Management

Regulatory compliance and risk management are critical factors in the pharmaceutical industry. A Tablet Inspection Machine helps promote regulatory compliance by ensuring that products meet the required standards and regulations. This compliance reduces the risk of litigation and regulatory penalties and enhances brand reputation. The machine also aids in risk management by reducing the risk of product recalls, contamination, and other types of product-related risks. This, in turn, enhances the company’s overall risk management program and improves financial performance.

Components of Tablet Inspection Machine

Components of Tablet Inspection Machine


The hopper in a tablet inspection machine is where the tablets are initially loaded. It serves as a bulk feeder and can hold many pills at once. The hopper’s capacity depends on the machine’s size and the tablets being inspected. It helps prevent overloading and ensures the tablets are fed consistently into the next stage of the process.

Magnetic Vibrator

After the tablets have been loaded into the hopper, they are transferred to a magnetic vibrator. The magnetic vibrator ensures that the pills are evenly distributed and separated from each other. It also removes any excess powder or debris from the tablets, reducing the risk of false rejects during inspection.

Conveyor Belt

Once the tablets have been separated and loaded onto the conveyor belt, they are transported to the inspection area. The conveyor belt plays a critical role in maintaining a constant flow of tablets and preventing any jams or blockages that could occur.


The motor is responsible for powering the conveyor belt and regulating the speed of the tablets as they move through the inspection area. It is an essential component of the tablet inspection machine, ensuring pills are carried consistently, which helps reduce inspection errors.

Two-Foot Switches

Two-foot switches provide an additional safety feature that helps prevent operator injury. They are located at either end of the conveyor belt and must be activated simultaneously for the machine to run. This feature ensures the operator’s hands are free from moving parts, making the overall process safer.

Inspection Lamps

Inspection lamps are vital in the tablet inspection process by providing illumination. The lights help to highlight any defects that may be present, making it easier for the operator to identify and reject them.

Discharge Chute

The discharge chute is located below the inspection area and collects the tablets that have been inspected. Any defective tablets are rejected and directed toward the rejection tray, while those that meet the criteria for quality are redirected into a collector drum.

Collector Drum

The collector drum collects all accepted tablets and sends them for further processing or packaging. It plays a crucial role in ensuring the quality of the pills and reducing waste.

Rejection Tray

The rejection tray collects and separates all the rejected tablets from the accepted ones. It provides essential feedback to the operator on any underlying issues that may be present in the manufacturing process.

Sistema de controle

The control system is the brain of the tablet inspection machine. It monitors and controls all of the machine’s components, including the hopper, magnetic vibrator, conveyor belt, motor, two-foot switches, inspection lamps, discharge chute, collector drum, and rejection tray. It plays an essential role in ensuring that the machine functions correctly and that the tablets are inspected to the highest standard.

Maintenance and Troubleshooting of Tablet Inspection Machine

Pre-Start-Up Tablet Inspection Machine

Before starting the Tablet Inspection Machine, it is crucial to check for any debris or foreign materials that might have accumulated inside the equipment. It would be best to verify that the machine’s power supply is stable and all the system components are adequately connected. Ensure the machine’s inspection criteria and settings are correctly configured according to the specific product. These pre-start checks are essential to avoid hardware or software issues affecting the machine’s performance and safety during operation.

Operation of Tablet Inspection Machine

Properly operating the Tablet Inspection Machine is critical to achieve accurate results and avoid any machine failure that might harm the product’s quality or safety. The operator should follow the manufacturer’s guidelines and standard operating procedures to initiate the software, adjust the inspection parameters, and start the inspection process. It is essential to load the product into the machine with care and precision, ensuring that it aligns accurately with the inspection system. The operator should monitor the equipment, check the inspection status, and take prompt action if any issue or defect arises.

Shut Down Tablet Inspection Machine

When shutting down the Tablet Inspection Machine, following a specific sequence and process is essential to ensure the machine is switched off safely and correctly. The operator should stop the inspection process, remove any remaining tablets, and clean the inspection chamber and system components thoroughly. It is crucial to unplug the machine from the power source and ensure that all the connections are safely disconnected. The shutdown process should also verify that all the equipment and components are correctly stored and secured for subsequent use.

Cleaning Tablet Inspection Machine

Cleaning the Tablet Inspection Machine after each use is an essential maintenance procedure to avoid contamination or product carryover. The operator should follow the manufacturer’s cleaning and maintenance guidelines to ensure the cleaning process is done correctly. The cleaning process involves disassembling the machine’s parts, cleaning the inspection chamber and its components with a suitable cleaning agent, and reassembling the parts once clean. The process should end with verifying that the machine is clean, dry, and free of any contaminants before the subsequent use.

Troubleshooting Tablet Inspection Machine

In case of any machine issues or defects, troubleshooting is necessary to identify the source of the problem and take prompt action to resolve it. The operator should follow the manufacturer’s troubleshooting guidelines and standard operating procedures to diagnose the issue correctly. The process involves checking the machine’s hardware and software components, inspecting the product, and analyzing the inspection results to determine the problem’s root cause. If the issue persists, technical support should be contacted to examine the equipment further.

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Frequently Asked Questions

Frequently Asked Questions

Q: What is the difference between a tablet and a capsule?

A: A tablet is a solid dosage form that compresses a powdered drug. On the other hand, a capsule is a solid dosage form in which the pill is enclosed within a gelatin shell.

Q: What is a capsule inspection machine?

A: A capsule inspection machine is a tablet inspection machine specifically designed to inspect capsules for defects.

Q: What is visual inspection?

A: Visual inspection examines tablets or capsules to detect defects such as cracks, chips, or color variations.

Q: What is an automatic tablet inspection machine?

A: An automatic tablet inspection machine is a tablet inspection machine that is designed to automatically inspect tablets for defects without the need for manual intervention.

Q: What is a blister?

A: A blister is a packaging material commonly used in the pharmaceutical industry to pack tablets and capsules. It is made of a transparent plastic sheet and is typically sealed with a foil.

Q: What are the different types of tablet inspection machines?

A: There are various types of tablet inspection machines available, including manual tablet inspection machines, automatic tablet inspection machines, and capsule inspection machines.

Q: How many tablets can an automatic tablet inspection machine inspect per hour?

A: The number of tablets an automatic inspection machine can inspect per hour depends on speed and design. Some devices can check thousands of pills per hour.

Q: What is the working principle of a tablet and capsule inspection machine?

A: The working principle of a tablet and capsule inspection machine involves operators’ visual inspection of tablets and capsules. The device typically has two inspection units, where the first operator inspects the ‘front’ side of the tablet, and the second operator checks the ‘reverse’ side.


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