Sealed Machine Tool Structure for Thermal Deformation Control
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Solution Overview
Problem
Machine tools experience geometrical deformations due to temperature variations in the ambient environment, leading to imprecise machining results, and existing solutions are costly and complex to implement.
Innovation Solution
Thermal insulation of machine tool components with insulating materials and forced air circulation within sealed structures to maintain uniform temperature, reducing external heat transmission and promoting heat distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the machine is positioned in an air-conditioned environment to maintain constant temperature, then temperature stability is improved, but investment cost and operating cost increase significantly
Solution Approach 1:
The invention divides the thermal control system into modular heating zones, each independently controlled by separate heating bars and temperature sensors. This segmentation allows localized temperature management without requiring a comprehensive air-conditioning system, reducing both investment and operating costs while maintaining temperature stability.
Solution Approach 2:
The machine tool structure itself serves as the thermal management system through integrated heating bars embedded in the structural components. The system uses the machine's own structure to generate and distribute heat, eliminating the need for external air-conditioning equipment and reducing device complexity.
2Ease of operation
If doors or shutters are opened to allow entry of persons or operational means, then ease of operation is improved, but temperature variation increases
Solution Approach 1:
Temperature sensors continuously monitor the thermal state of structural components and provide feedback to the control unit. When temperature variations occur due to door openings or other disturbances, the control unit automatically adjusts the heating bars to compensate, maintaining temperature stability without restricting operational access.
3Manufacturing precision
If local heating bars are applied to structural components, then temperature control precision is improved, but device complexity increases
Solution Approach 1:
The heating bars are integrated directly into the structural components of the machine tool, merging the thermal management function with the structural support function. This combination eliminates separate heating systems and reduces device complexity while maintaining the ability to precisely control temperatures in critical machining areas.
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
Significantly reduces temperature-related deformations, allowing for precise machining by maintaining a stable structure temperature, thus simplifying machine management and reducing operational costs.
Implementation Method 1
at least one component (12) of the machine tool is provided with a lining (14) designed to ensure thermal insulation of the component (12) with respect to the external environment
Implementation Method 2
the component (12) is sealed so as to prevent fluid communication between the inside (16) and outside of the component (12)
Implementation Method 3
The machine tool may comprise means (20) for causing a movement or forced circulation of the air inside the at least one component (12)
Data Source
AI summary
A machine tool comprises a structure in which at least one component (12) of this structure is thermally insulated from the external environment and in which this component (12) is sealed so as to prevent fluid communication between the inside (18) and the outside of the component (12) of the structure.