Packaging Machine Tool Preheating Control
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Solution Overview
Problem
Existing packaging machines experience delays in resuming production due to the time required for heatable tools to heat up after a tool change, especially when restarting operations.
Innovation Solution
Integrating a control device within the tool that allows preheating when disconnected from the work station, using an external power supply to regulate the tool's temperature to a preheat setpoint, enabling quicker startup upon reinstallation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the tool is heated after installation in the workstation, then the tool reaches the required operating temperature, but production is delayed during the heating period
Solution Approach 1:
The tool is preheated to the required operating temperature before being installed in the workstation. This preliminary heating action eliminates the heating delay that would otherwise occur after installation, allowing production to resume immediately without waiting for the tool to reach operating temperature.
2Adaptability or versatility
If the control device is integrated into the tool, then the tool can be preheated autonomously, but the tool requires an external power supply when removed from the workstation
Solution Approach 1:
The control device integrated into the tool enables the tool to preheat itself autonomously when connected to an external power supply. This self-service capability eliminates the need for separate preheating equipment or complex external control systems, as the tool manages its own heating process independently.
3Productivity
If the tool is preheated before installation, then production can resume immediately, but the tool must be handled when hot
Solution Approach 1:
The tool is preheated to the required temperature before installation in the workstation, enabling immediate production resumption. While this creates hot tool handling requirements, the integrated control device provides temperature monitoring and management to mitigate safety risks during the preheating and installation process.
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 method allows for immediate or faster resumption of packaging operations by having the tool at the required temperature upon reinstallation, reducing delays and enabling safe handling with appropriate measures.
Implementation Method 1
A heating element, for example in the form of a resistance heater, can be integrated into the tool
Data Source
Figure 1~2
Figure 3
Figure 4~5
AI summary
A packaging machine (1) is operated, comprising a workstation (9, 21) with an interchangeable tool (31). A control device (45) integrated into the tool (31) regulates the tool's temperature, based on a setpoint operating temperature, by appropriately supplying electrical power to a heating device (35) integrated into the tool (31) when the tool (31) is installed in the workstation (9, 21). When the tool (31) is removed from the workstation (9, 21), it is connected to an external power supply (57), and the control device (45) regulates the tool's temperature, based on a setpoint preheating temperature, by appropriately supplying electrical power to the heating device (35) provided by the external power supply (57).