Mobile Machine Tool with Disc Suction Control for Precise Machining
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Solution Overview
Problem
Existing systems for machining tools lack efficient control over the suction force distribution and adjustment, particularly in mobile applications, leading to suboptimal machining and machining processes.
Innovation Solution
The intake and negative pressure in the region of the intake air outlet and additional openings are adjusted to optimize the suction force distribution and adjustment, particularly in the machining tools, ensuring precise and effective machining.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If additional air inlet openings are provided on the disc tool to improve suction force distribution, then machining precision is improved, but device complexity increases
Solution Approach 1:
The suction system is segmented into multiple independent air inlet openings (intake air inlet openings and additional air inlet openings) that can be controlled separately. This allows precise control over suction force distribution across different areas of the disc tool, improving machining precision while maintaining manageable system complexity through modular control architecture.
Solution Approach 2:
Different regions of the disc tool are equipped with different types of air inlet openings tailored to specific local requirements. The additional air inlet openings are positioned at the edge of the disc tool to provide localized suction enhancement where needed, rather than uniformly distributing suction across the entire tool surface.
2Productivity
If the suction power is increased to improve machining effectiveness, then productivity is improved, but energy consumption increases
Solution Approach 1:
The suction power is made dynamically adjustable through separate control of different air inlet openings. The system can adapt suction intensity to match actual machining requirements, providing high suction power when productivity is needed and reducing energy consumption during lighter machining tasks or when moving between work areas.
Solution Approach 2:
The suction characteristics are controlled by changing parameters such as the degree of opening of individual air inlet openings and the negative pressure levels in different regions. This allows optimization of the balance between productivity and energy consumption by adjusting suction parameters rather than simply increasing overall suction power.
3Manufacturing precision
If the suction force is increased to improve machining precision, then manufacturing precision is improved, but the stability of the system deteriorates due to stronger suction effects
Solution Approach 1:
Strong suction force is applied locally only at the machining interface through selectively opened additional air inlet openings, rather than increasing suction across the entire disc tool. This maintains system stability by limiting strong suction effects to the immediate work area while keeping the rest of the system under gentler suction conditions.
Solution Approach 2:
The suction force is dynamically adjusted during operation, allowing the system to switch between different suction intensity levels as needed. This enables high suction force to be applied temporarily during precision machining operations while returning to lower suction levels for transport or positioning, maintaining overall system stability.
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 enhances the suction power and suction force distribution and adjustment, facilitating precise machining and machining.
Implementation Method 1
The intake air flow or the negative pressure, or both, can be adjusted in the area of the additional air outlet opening
Implementation Method 2
an abrasive for machining a workpiece or a holding means for releasably holding such an abrasive is arranged on the working surface
Data Source
Figure 1
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AI summary
The invention relates to a machine tool (51) for machining a surface (FL, FR, FF, FD) of a workpiece or a space (RA), the machine tool (51) comprising a working device (50) having a disc tool (90) for machining the surface and a drive motor (53) for driving the disc tool (90), which has a machining face (91) associated with a machining of a workpiece and a machine side (92) opposite the machining face. Suction air inflow openings (94) are arranged on the machining face (91) in order to suction the machining face (91) against the surface to be machined and are fluidically connected to at least one suction air outflow opening (95) arranged at a distance from the machining face (91) on the disc tool (90), the disc tool (90) having at least one auxiliary air inflow opening (96) for the inflow of auxiliary air, which air inflow opening is fluidically connected to at least one auxiliary air outflow opening (97) arranged at a distance from the machining face (91), and the machine tool (51) having a suction device (70) for generating a suction airflow and/or a negative pressure at the at least one suction air outflow opening (95) and the at least one auxiliary air outflow opening (97). The suction device (70) has a suction controller (80) for controlling the suction airflow and/or the negative pressure in the region of the at least one auxiliary air outflow opening (97).