Processing Machine Job Changeover With Parallel Reconfiguration
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Solution Overview
Problem
Existing processing machines require manual intervention and lengthy downtime for job changes, leading to inefficiencies and reduced productivity during transitions between processing operations.
Innovation Solution
A method for automatically terminating a first processing job, modifying the machine configuration for a subsequent job, and starting the new job without interruption, utilizing a machine control system to manage and overlap multiple modification processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual intervention is used for job changes, then operator control is maintained, but downtime increases and productivity decreases
Solution Approach 1:
The machine control system loads and prepares the configuration for the next processing job in advance, before the current job is completed. This preliminary preparation includes pre-configuring processing units, shaping units, and other machine components for the upcoming job, so that when the current job ends, the transition to the next job can occur with minimal interruption.
Solution Approach 2:
The system enables overlapping modification processes where configuration changes, cleaning operations, and setup tasks are executed in parallel during the job transition period. The machine control system coordinates multiple modification processes to run simultaneously, ensuring that useful actions continue without interruption rather than waiting for one task to complete before starting the next.
2Reliability
If multiple modification processes are executed sequentially, then each process is completed thoroughly, but total modification time increases
Solution Approach 1:
Certain modification processes are initiated in advance and prepared for parallel execution. The machine control system identifies which modification processes can be performed simultaneously without interfering with each other, and schedules them to run in parallel, thereby reducing the total modification time while ensuring each process completes reliably.
Solution Approach 2:
The modification process is divided into independent, separable tasks that can be executed in parallel. The machine control system segments the overall modification into multiple independent processes (configuration changes, cleaning, setup) that can run simultaneously on different processing units or shaping units, rather than executing them sequentially.
3Ease of operation
If automated control is implemented, then operator input is minimized, but system complexity increases
Solution Approach 1:
The machine control system is designed to perform multiple functions: it manages processing operations, coordinates modification processes, schedules parallel tasks, and controls different processing units and shaping units. By creating a universal control system that handles diverse functions, the patent reduces the need for separate control mechanisms for each function, thereby managing complexity while enabling comprehensive automation.
Data Source
AI summary
Examples relate to changing a processing job carried out on a processing machine including a processing unit configured as an application unit, and a processing unit configured as a shaping unit. A first processing job is completed by the processing machine, during which a substrate is processed by the processing units. The first processing job is automatically terminated and a modification is automatically started for adapting at least one unit of the processing machine to a configuration of a directly succeeding processing job. Prior to the modification, the configuration for the directly succeeding processing job is provided to a machine control system. During the modification, at least one modification process of the shaping unit is performed to temporally overlap with at least one further modification process of the processing machine. The directly succeeding processing job is started, during which at least one substrate is processed by the processing units.


