Liquid discharge apparatus, embroidery system, method of controlling liquid discharge apparatus, and storage medium
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Solution Overview
Problem
Existing inkjet thread printing technologies face challenges in efficiently managing maintenance operations for inkjet heads when printing on elongated, one-dimensional media like embroidery threads, leading to potential discharge abnormalities and increased dyeing times due to inadequate timing of maintenance procedures.
Innovation Solution
A liquid discharge apparatus and method that includes a control circuitry to calculate the required time for each dyeing job and determine the necessity of maintenance based on the post-processing time, ensuring maintenance is performed at optimal intervals to balance maintenance frequency and discharge quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If maintenance operation is performed frequently to maintain discharge quality, then reliability is improved, but productivity deteriorates due to increased maintenance time
Solution Approach 1:
The control circuitry calculates the required time for post-processing in advance and determines maintenance timing before the maintenance operation actually occurs. This allows the system to proactively schedule maintenance at optimal intervals based on predicted post-processing durations, ensuring discharge quality is maintained while minimizing interruptions to the dyeing process.
2Productivity
If maintenance operation is delayed to maintain productivity, then productivity is improved, but reliability deteriorates due to discharge abnormalities
Solution Approach 1:
The control circuitry continuously monitors post-processing time requirements and uses this feedback to dynamically adjust maintenance scheduling. By calculating the required time for each post-processing operation and comparing it against predetermined thresholds, the system determines the optimal timing for maintenance operations, ensuring that maintenance is performed neither too early (wasting productivity) nor too late (compromising discharge quality).
3Device complexity
If maintenance timing is not optimized, then device complexity is reduced, but loss of time increases due to inadequate maintenance scheduling
Solution Approach 1:
The control circuitry automatically calculates required post-processing times and determines optimal maintenance timing without requiring external intervention or complex scheduling algorithms. The system serves itself by autonomously monitoring its own operational parameters and scheduling maintenance based on actual post-processing time requirements, thereby minimizing time loss while maintaining reasonable system complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach optimizes maintenance timing to minimize discharge abnormalities and reduce overall dyeing time by aligning maintenance with the completion of dyeing jobs, thereby improving the efficiency and reliability of the inkjet thread printing process.
Implementation Method 1
The discharge head includes a nozzle to discharge droplets onto the linear medium to dye the linear medium
Data Source
AI summary
A liquid discharge apparatus is to be coupled to a post-processing apparatus to perform post-processing using a linear medium such that the post-processing apparatus is disposed downstream from the liquid discharge apparatus in a conveyance direction of the linear medium. The liquid discharge apparatus includes a discharge head, a conveyance mechanism, a head driver, and control circuitry. The discharge head includes a nozzle to discharge droplets onto the linear medium to dye the linear medium. The conveyance mechanism conveys the linear medium in conjunction with the post-processing apparatus. The head driver drives the discharge head in conjunction with conveyance of the linear medium. The control circuitry controls the head driver and determines whether to execute maintenance of the discharge head based on a time required for the post-processing for each dyeing job.