Inking Roller Temperature Control via Segmented Regulators
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Solution Overview
Problem
In printing machines with multiple inking devices, it is challenging to uniformly and accurately adjust the temperatures of ink smoothing function rollers, leading to issues like scumming and reduced color saturation due to temperature variations.
Innovation Solution
A temperature adjustment device with multiple smoothing function roller temperature regulators, temperature sensors, and a control unit that adjusts the temperature and flow rate of temperature-regulated water supplied to each ink smoothing function roller, along with a hot water supply unit to maintain optimal temperatures, especially during temporary halts and restarts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a piping system is divided into separate lines for ink supply function rollers and ink smoothing function rollers, then the temperatures of ink supply function rollers can be adjusted, but the temperatures of ink smoothing function rollers cannot be uniformly adjusted across multiple inking devices
Solution Approach 1:
The piping system is segmented into separate temperature regulator units for each inking device. Each inking device is equipped with its own smoothing function roller temperature regulator that independently controls the temperature of the ink smoothing function roller in that specific device, enabling uniform temperature adjustment across all inking devices.
Solution Approach 2:
Each inking device receives localized temperature control through dedicated temperature regulators. The system provides different temperature regulation capabilities to different locations (inking devices) based on their specific requirements, with each regulator adjusting temperature locally at its corresponding inking device.
2Temperature
If temperature-regulated water is supplied to shaft parts of rollers, then temperature adjustment is achieved, but temperature variations between inking devices persist
Solution Approach 1:
Temperature sensors are installed in each inking device to detect the actual temperature of the ink smoothing function roller. The detected temperature information is fed back to the corresponding smoothing function roller temperature regulator, which automatically adjusts the temperature-regulated water flow to maintain the target temperature, ensuring accurate and uniform temperature control across all inking devices.
3Device complexity
If a common temperature regulator is used for all inking devices, then device complexity is reduced, but temperature uniformity across inking devices deteriorates
Solution Approach 1:
Instead of using a single common temperature regulator for all inking devices, the system divides the temperature control function into separate regulator units for each inking device. This segmentation allows each regulator to independently control its corresponding inking device, ensuring temperature consistency across all devices while accepting increased 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 configuration allows for precise and uniform temperature adjustment of ink smoothing function rollers, preventing temperature drops and ensuring optimal ink viscosity, thus improving print quality by preventing scumming and enhancing color saturation.
Implementation Method 1
A gradual temperature rise of inking rollers and printing plate surfaces due to friction heat generated during the operation of a printing machine
Implementation Method 2
adjusts the temperatures of rollers in a plurality of inking devices mounted in a printing machine by supplying temperature-regulated water to shaft parts of the rollers
Implementation Method 3
a plurality of temperature sensors, provided respectively corresponding to the inking devices, and each detecting a surface temperature of the form roller
Implementation Method 4
A gradual temperature rise of inking rollers and printing plate surfaces due to friction heat generated during the operation of a printing machine results in a drop in ink viscosity
Data Source
AI summary
An object of the present invention is to provide a temperature adjustment device for a printing machine with a plurality of inking devices mounted therein, the device being capable of adjusting the temperatures of ink smoothing function rollers in the respective inking devices uniformly and accurately. The temperature adjustment device for a printing machine according to the present invention is a temperature adjustment device for a printing machine that adjusts temperatures of rollers in a plurality of inking devices mounted in a printing machine by supplying temperature-regulated water to shaft parts of the rollers, and is characterized by having a plurality of smoothing function roller temperature regulators, provided respectively corresponding to the inking devices, and each adjusting the temperature of the ink smoothing function roller among a series of rollers in each of the inking devices.