Telescopic Wall Lubrication via Gravity Feed
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Solution Overview
Problem
Existing machine tools with telescopic walls face challenges in maintaining stable and easy-to-maintain linear guides due to the need for manual lubrication, which requires significant design effort and occupies valuable working space, while automatic lubrication systems are complex and costly.
Innovation Solution
The lubricant line is designed with a lubricant opening directed towards the wall parts above the linear guide, allowing lubricant to flow naturally between the wall parts, eliminating the need for additional structural components and enabling automatic lubrication without obstructing the working space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual lubrication is used for the linear guide, then the design effort and structural complexity are reduced, but the maintenance personnel expenditure and time increase
Solution Approach 1:
The system uses the movement of the telescopic wall itself to drive the lubrication process. The linear guide's motion between wall parts automatically activates the lubricant delivery, eliminating the need for separate active lubrication systems and reducing maintenance intervention while maintaining automatic lubrication.
Solution Approach 2:
The lubrication system transitions from static manual application to dynamic automatic delivery tied to the operational state of the telescopic wall. The lubricant line and opening are positioned to deliver lubricant during the natural movement cycles of the wall, integrating maintenance function into operational motion.
2Extent of automation
If an active automatic lubrication system is implemented, then maintenance automation is improved, but the design effort and device complexity increase significantly
Solution Approach 1:
The telescopic wall's own movement serves as the actuating mechanism for lubrication. The system requires no external motors, pumps, or control systems - the natural expansion and contraction of the wall during operation automatically positions the lubricant opening over the linear guide and enables lubricant flow through pressure differential.
Solution Approach 2:
The system utilizes pressure differential created during telescopic wall movement to drive lubricant flow. When the wall expands or contracts, pressure changes in the lubricant line automatically push lubricant from the opening through the linear guide, using hydraulic principles without requiring active pumping mechanisms.
3Extent of automation
If additional structural components are added for lubrication, then automatic lubrication is achieved, but the working space is obstructed
Solution Approach 1:
The lubrication function is extracted from the main structural components and implemented through minimal additions: a lubricant line and opening. The lubricant opening is positioned on the rear side of the telescopic wall, directing lubricant away from the working space while still achieving automatic lubrication of the linear guide.
Solution Approach 2:
The lubricant line acts as an intermediary element that delivers lubricant from the frame to the linear guide without requiring structural modifications to the telescopic wall itself. The system uses the existing wall structure and movement to facilitate lubrication, inserting only the minimal necessary lubricant delivery components.
4Ease of manufacture
If the lubricant line extends into the working space, then lubrication delivery is simplified, but the working space is reduced and contamination risk increases
Solution Approach 1:
The lubricant opening is extracted and positioned on the rear side of the telescopic wall, opposite the working space. This positioning removes the lubricant delivery point from the working space environment, eliminating contamination risk to workpieces while maintaining effective lubrication delivery to the linear guide through the wall's movement.
Solution Approach 2:
The lubrication system uses the dimensional space created by the telescopic wall's thickness and movement range. By positioning the opening on the rear side and utilizing the wall's motion to bring the opening over the linear guide, the system delivers lubricant effectively without projecting components into the working space volume.
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 ensures reliable and cost-effective lubrication of linear guides, reducing personnel and construction costs while maintaining the stability and simplicity of the telescopic wall system, even under fluctuating pressure conditions.
Implementation Method 1
both wall parts together forming a guide for the introduced lubricant in the direction of the linear guide
Implementation Method 2
at least one wall part, at least in some areas, for guiding the lubricant applied by the lubricating device to the wall part in the direction of the linear guide
Implementation Method 3
for applying lubricant above the linear guide and that the lubricating device has at least one wall part, at least in some areas, for guiding the lubricant applied by the lubricating device to the wall part in the direction of the linear guide
Data Source
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AI summary
The machine tool (1) has a working space for partially bounding telescopic wall (5) between two wall portions (6,7). A linear guide (10) is provided with a lubricating device (11) with lubricant duct (13) for guiding lubricant (12). The lubricant duct is provided with lubricant opening (14) on one wall portion, for delivering the lubricant towards the linear guide by the gravitational force.