Printer Machine-Plate Cylinder Temperature Control via Fluid Circulation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current printers face challenges in maintaining temperature control of the machine-plate cylinder, leading to inefficient setup times, increased energy consumption, and printing defects such as ink smudges and color mottle due to inadequate temperature regulation.
Innovation Solution
A printer design where a regulated temperature fluid is circulated within the machine-plate cylinder section, utilizing a fluid circulation system and temperature control means to maintain the machine-plate cylinder at a predetermined temperature range, facilitating rapid setup and continuous printing quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If cold air is blown against the machine-plate cylinder for cooling, then the cylinder temperature can be reduced, but the temperature control becomes insufficient leading to printing defects
Solution Approach 1:
The patent applies hydraulic cooling by circulating water through cooling water channels formed in the machine-plate cylinder. This allows precise temperature control by regulating the flow and temperature of the coolant, replacing the insufficient air cooling method with a more effective liquid cooling system that maintains stable temperature during printing operations.
2Manufacturing precision
If warm-up operation is performed for a long period to reach optimum temperature, then printing quality improves, but setup time and energy consumption increase
Solution Approach 1:
The patent implements preliminary temperature control by circulating temperature-regulated fluid through the machine-plate cylinder before printing begins. This pre-conditioning of the cylinder to the optimal temperature range (28°C to 30°C) eliminates the need for extended warm-up operations, allowing immediate high-quality printing without time-consuming idle operation.
Solution Approach 2:
The patent changes the temperature parameter of the cooling water circulated through the machine-plate cylinder to match the optimal printing temperature range. By controlling the inlet water temperature and flow rate, the system maintains the cylinder at 28°C to 30°C, achieving both quick setup and consistent printing quality through parameter optimization.
3Manufacturing precision
If the machine-plate cylinder temperature rises during continuous printing, then ink properties change causing printing defects, but cooling control is insufficient
Solution Approach 1:
The patent employs a hydraulic cooling system with water channels integrated into the machine-plate cylinder structure. During continuous printing, circulating cooling water actively removes excess heat from the cylinder, maintaining stable temperature and preventing ink property changes that would cause defects such as ink smudge or color mottle in halftone areas.
Solution Approach 2:
The patent implements temperature feedback control by monitoring the machine-plate cylinder temperature and adjusting the cooling water flow and temperature accordingly. This closed-loop control system detects temperature rises during continuous printing and automatically increases cooling effectiveness, maintaining consistent printing quality throughout the printing run.
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 solution enables efficient temperature control of the machine-plate cylinder, reducing setup times, minimizing energy consumption, and maintaining consistent printing quality by maintaining the machine-plate cylinder within a predetermined temperature range, thus preventing printing defects.
Implementation Method 1
a fluid whose temperature is regulated is circulated in the machine-plate cylinder section
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The present invention provides a printer which can facilitate temperature control of a machine-plate cylinder section, can allow simple setup, and can facilitate maintenance of printing quality in continuous printing. In the printer, a machine plate is mounted on the outer circumference of a machine-plate cylinder section 12 fixedly provided on a machine-plate drive shaft 1. A fluid whose temperature is regulated is circulated in the machine-plate cylinder section 12.