Inkjet Printing Ink Replenishment via Consumption Data
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Solution Overview
Problem
Inkjet printing systems in industrial environments face significant ink waste due to uneven consumption patterns of inkjet inks, leading to shortages and expiration of certain inks, resulting in inefficiencies and increased costs.
Innovation Solution
An inkjet printing method that involves automatically sending digital ink consumption data from printing devices to a computer, which determines and replenishes the ink stock levels, ensuring minimal waste by maintaining optimal ink levels and reducing shipment costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If inkjet inks are ordered in the same amount for each colour, then the ordering process is simple, but it leads to shortage of some inks while others expire
Solution Approach 1:
The system automatically monitors ink consumption levels in the inkjet printing device and sends this data to the supplier's computer. The supplier receives real-time feedback on actual ink usage patterns and adjusts replenishment orders accordingly, preventing both waste and shortages.
Solution Approach 2:
The inkjet printing device automatically tracks its own ink consumption and triggers replenishment requests without manual intervention. The system self-monitors ink levels and autonomously initiates the reordering process based on actual usage.
2Reliability
If a large ink stock is maintained, then ink availability is ensured, but storage costs and waste increase
Solution Approach 1:
The ink stock level is made dynamic rather than static. The system continuously adjusts the replenishment timing and quantity based on real-time consumption data, ensuring the ink stock adapts to actual usage patterns rather than following a fixed schedule.
Solution Approach 2:
The system performs preliminary monitoring of ink consumption levels and triggers replenishment before complete exhaustion occurs. By predicting consumption trends and acting in advance, the system ensures ink availability while minimizing excess storage.
3Reliability
If frequent ink replenishment is performed, then ink availability is maintained, but shipment costs increase
Solution Approach 1:
The system implements periodic monitoring and replenishment based on actual consumption cycles rather than fixed time intervals. Replenishment actions are triggered periodically when consumption thresholds are reached, optimizing the frequency of shipments.
Solution Approach 2:
The system changes the parameter of replenishment timing from fixed schedules to consumption-based triggers. By adjusting the replenishment parameter based on actual ink usage rates, the system optimizes shipment frequency to match demand, reducing unnecessary shipments.
Data Source
Figure 1
AI summary
An inkjet printing method including the steps of: providing inkjet inks from an inkjet ink stock (1) to an inkjet printing device (2); printing the inkjet inks with the inkjet printing device (2) on a substrate; automatically sending digital inkjet ink consumption data from the inkjet printing device (2) via a digital connection (3) to a computer (4) of an inkjet ink supplier (5); and replenishing the inkjet ink stock (1) with an amount of at least one of the inkjet inks from the inkjet ink supplier (5), wherein the amount is determined in accordance with the digital inkjet ink consumption data. A computerized system is also disclosed.