Interchangeable Rotary Indexing Table Units for Precise Clamping
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Solution Overview
Problem
Rotary indexing tables face challenges in achieving precise and cost-effective machining due to varying requirements for clamping devices and table units, leading to increased operational costs and complexity.
Innovation Solution
A changing device with a stand component and interchangeable table units, featuring a clamping device and rotary encoder for precise positioning, allows for different table units to be exchanged on the same stand component, reducing the need for multiple designs and lowering operational costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If different table units and column components are used alternately to meet changing requirements, then the holding torque and machining quality can be optimized for specific tasks, but the operational costs and complexity increase due to multiple designs and changeover processes
Solution Approach 1:
The column component is designed with a universal interface that can accommodate multiple types of table units with different clamping devices. The standardized coupling interface allows a single column component to perform multiple functions by accepting different table units, thereby reducing the need for multiple specialized designs while maintaining the ability to optimize holding torque for specific machining tasks
2Manufacturing precision
If different table units and column components are used alternately to meet changing requirements, then the machining quality can be optimized, but the operational costs increase due to frequent changeovers
Solution Approach 1:
The universal interface design allows a single column component to support multiple table unit types, reducing the frequency and cost of changeovers. Operators can switch between different table units on the same column, maintaining machining quality optimization while reducing operational costs associated with managing multiple column components
3Device complexity
If a single stand component is used with interchangeable table units, then the operational costs and complexity are reduced, but the adaptability to different clamping device requirements must be maintained
Solution Approach 1:
The stand component incorporates a universal coupling interface that can accommodate different clamping device types. This allows a single stand component to maintain adaptability to various clamping requirements while reducing the total number of components needed in the system
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
Enables efficient and cost-effective operation of rotary indexing tables by allowing different table units to be easily swapped, maintaining high precision and reducing assembly effort, while utilizing a single stand component for various designs.
Implementation Method 1
the coil winding of an electric motor to drive the respective table
Implementation Method 2
an incremental encoder or absolute encoder, hereinafter referred to as a rotary encoder, is arranged at one free end of the shaft
Implementation Method 3
a clamping device by means of which a clamping force can be generated by supplying a hydraulic pressure medium, which creates a frictional connection
Implementation Method 4
creates a frictional connection between the table and the stationary, associated table unit
Data Source
Figure 1
Figure 2
AI summary
The invention relates to a changing device for rotary indexing tables having a stand component (12) that serves as a base component and is passed through by a shaft (18) that defines the axis of rotation of electromotively rotatable tables (2) and has an interface (20) for coupling tables (2) in question, which are fixable by means of a clamping device (60) in predefinable rotary positions with respect to a respectively associated table unit (8), wherein at least two table units (8) that differ from one another at least in terms of their clamping devices (60) are interchangeably fixable, with their associated table (2), as replacement components on the base component in order to be operated.