Modular Machine Tool Bed Leveling for Precise Module Alignment
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Solution Overview
Problem
The correct spatial positioning of modular bed modules for machine tools is complex due to the need for precise geometric alignment, stability, and rigidity, especially when modules have fluid connections and linear guides, and the assembly process is hindered by uneven floors and the weight of the modules.
Innovation Solution
A device comprising a liquid-based leveling system and a base support with adjustable feet, allowing for precise alignment of modules along three degrees of freedom (Z, a, b) using a system of communicating vessels and ball-type transfer units for additional degrees of freedom (X, Y, c), facilitating rapid and precise module positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple bed modules are assembled to form a modular machine tool bed, then the machine tool can be configured with greater flexibility and adaptability, but the positioning complexity and assembly time increase significantly
Solution Approach 1:
The bed is divided into multiple standardized modules that can be independently manufactured and assembled. Each module has standardized connection interfaces with leveling mechanisms, allowing them to be segmented yet easily reassembled in different configurations without requiring complex positioning procedures for each module.
Solution Approach 2:
The connection interfaces between modules are designed with universal leveling mechanisms that serve multiple functions: mechanical connection, geometric alignment, and leveling adjustment. This multi-functionality reduces the number of separate components and procedures needed, simplifying the overall assembly process while maintaining configuration flexibility.
2Manufacturing precision
If traditional manual positioning methods are used for bed modules, then the assembly process requires multiple corrections and adjustments, but this results in prolonged assembly time and reduced productivity
Solution Approach 1:
Each module is equipped with preliminary leveling mechanisms and geometric reference features that are pre-configured during manufacturing. This preliminary action ensures that when modules are assembled, they already possess the necessary alignment capabilities, eliminating the need for multiple post-assembly corrections and significantly reducing assembly time.
Solution Approach 2:
The modules incorporate self-leveling features and self-aligning connection interfaces that automatically adjust during assembly. The gravitational leveling mechanisms and geometric constraints enable the modules to self-position correctly without requiring extensive manual measurement and adjustment, thereby maintaining high precision while accelerating the assembly process.
3Stability of the object's composition
If the bed modules are made particularly heavy to ensure stability and rigidity, then the geometric tolerances and machine precision are maintained, but the handling and positioning of modules becomes more difficult
Solution Approach 1:
The modules are equipped with integrated lifting eyes or attachment points designed for crane or hoist operations, allowing heavy modules to be easily lifted and positioned using external lifting equipment. The connection interfaces also incorporate features that distribute loads during assembly, effectively counterbalancing the weight issues and enabling safe handling of heavy modules without requiring excessive manual effort.
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
The solution enables quick and precise spatial positioning of modular bed modules, reducing assembly time and ensuring correct geometric alignment and stability, thus improving the efficiency and accuracy of machine tool assembly.
Implementation Method 1
a liquid-based leveling device (2) comprising three positioning bulbs (21, 22, 23) and a reference bulb (24) which are in mutual fluid communication, so as to constitute a system of communicating vessels
Implementation Method 2
a friction element (321), arranged to abut against a support surface (311), wherein the second supporting foot (322) is arranged to be movable with respect to the first supporting foot (321) in a direction away from the first plate (31), whilst maintaining contact between the friction element (321) and the support surface (311)
Data Source
AI summary
A device for positioning a module of modular bed (4) for machine tools with respect to a reference module (41), comprising a liquid-based leveling device (2) which allows an alignment of the modules (41, 42) according to three degrees of freedom (Z,a,b) and a base support (3) which allows a spatial movement of the module to be installed (42) at least according to the three degrees of freedom (Z,a,b).