In the modern manufacturing world speed is one of the most critical elements of competitive advantage. Not only the production of the product itself, but also the information imprinted on it must progress with equal speed and accuracy. Coding—that is, imprinting the date, lot number, barcode, or QR code on products—directly affects the speed of the production line.
Even the slightest delay in the coding process can cause the entire line to stop or reduce productivity. Therefore, for manufacturers, "increasing coding speed" is not just a technical preference, but also a strategic necessity.
Factors Affecting Coding Speed
- Line Speed: The flow rate of products on the conveyor.
- Ink Drying Time: This is a crucial determinant of speed, especially in inkjet printers.
- Device Hardware Capabilities: Printhead resolution, frequency, and processing capacity.
- Code Complexity: Detailed designations like QR codes and DataMatrix require more processing power.
- Environmental Conditions: Humidity, temperature, dust, and airflow affect drying time and print quality.
How to Increase Coding Speed Through Practical Methods
1. Choosing the Right Coding Technology
Each sector has different needs.
- Inkjet printers are suitable for flexible production at high speed.
- Laser marking excels in applications requiring permanent, high-resolution marking.
- Thermal transfer is a high-resolution option for packaging films.
2. Ink and Consumable Optimization
- Using fast-drying inks reduces downtime.
- Choosing the right ink for the packaging surface prevents reprinting.
- When the quality of consumables is poor, drying time is longer and speed is lost.
3. Automation Integration
- an encoder to ensure the printer operates in sync with the line speed.
- Ensure the print is triggered at the correct time using the photocell setting
- Integrate automation systems and coding devices into the production line's ERP/MES software.
4. Regular Maintenance and Cleaning
Clogged nozzles or lens contamination can cause the device to slow down.
- Create regular maintenance plans.
- Activate the automatic cleaning functions.
- Predictive maintenance applications allow you to identify potential failures in advance.
5. Optimizing Code Design
- Avoid unnecessarily long texts.
- Optimize QR and DataMatrix codes to maintain scannability while avoiding unnecessary clutter.
- When choosing fonts and font sizes, opt for settings that improve readability while reducing processing time.
6. Strengthening Operator Training
Trained operators can make full use of the device's capacity.
- Correctly interpreting error messages prevents loss of speed.
- In simple problems, quick response from operators ensures the continuity of the line.
7. Establishing a Dual Coding Station
In high-volume production, setting up a second coding station is an effective solution for speed and continuity. Even if one fails, production will not be interrupted.
Sectoral Examples
Food Sector
A dairy producer increased the coding speed on their production line by 25% thanks to the integration of fast-drying ink and an encoder.
Pharmaceutical Industry
A pharmaceutical company has achieved both speed and permanence in blister packaging by switching to a laser marking system.
Automotive
A spare parts manufacturer reduced coding time by 15% by optimizing QR code design.
KPIs to Measure in Coding Speed
- First Pass Rate (FPR): The percentage of code that is printed without errors and successfully on the first attempt.
- Production Capacity: Number of products coded per hour.
- Downtime: Total weekly downtime.
- Ink Consumption: Cost per thousand prints.
Frequently Asked Questions (FAQ)
1. How can the speed of inkjet printers be increased?
Speed can be increased through encoder and photocell synchronization, fast-drying ink, and regular maintenance.
2. Is laser marking efficient at high speeds?
Yes. Especially for serial numbers and QR codes, the laser operates continuously even at high speeds.
3. Does speed decrease if the code is complex?
Yes. More detailed code requires more processing power, so design optimization is important.
4. Does increasing coding speed increase costs?
When the right technology is chosen, costs do not increase; on the contrary, the overall cost decreases because the rate of waste is reduced.
Coding speed on production lines is a critical factor that directly impacts a company's competitiveness. With the right technology selection, ink optimization, maintenance practices, and trained personnel, coding processes can be both faster and more reliable.
Electrojet Technology offers professional solutions that accelerate and streamline coding on production lines with laser and inkjet solutions.
