Workpiece Adapter Layout for Balancing Irregular Rotating Parts
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Machine tools face a trade-off between specialization for efficient machining processes and flexibility, limiting their ability to handle non-rotationally symmetrical workpieces with complex geometries due to imbalance and vibration issues during rotation.
Innovation Solution
A workpiece adapter with a base plate, clamping connection, and workpiece connection elements that securely attach to a machine tool spindle, allowing for the machining of complex geometries by compensating for centrifugal forces and imbalance through a three-point mounting system and adjustable connection elements, enabling flexible use with various workpieces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a machine tool is highly specialized for turning or milling processes, then machining efficiency is improved, but flexibility to handle different workpiece geometries deteriorates
Solution Approach 1:
The workpiece adapter enables a single machine tool to perform both turning and milling operations by providing a universal mounting interface that can accommodate various workpiece geometries including non-rotationally symmetrical pieces, thus making the machine tool multi-functional without requiring separate specialized equipment
2Adaptability or versatility
If the flexibility of the machine tool is increased by integrating additional gripper units or robot units, then adaptability to different workpiece geometries is improved, but non-productive time increases sharply
Solution Approach 1:
The adapter provides a universal mounting solution that works with both turning and milling processes, eliminating the need for additional gripper units or robot units. The simple attachment mechanism allows for rapid workpiece changes without increasing non-productive time
3Stability of the object's composition
If balancing rings are attached to non-rotationally symmetrical workpieces to compensate for imbalance, then rotational stability is improved, but surface quality deteriorates due to covering and affecting the component surface
Solution Approach 1:
The workpiece adapter serves as an intermediary between the spindle and the workpiece, providing the balancing function through its three workpiece connection elements arranged to compensate for imbalance, while leaving the workpiece surface completely exposed and unaffected for machining operations
4Adaptability or versatility
If workpieces with complex geometries are machined in turning centers, then flexibility is improved, but machining accuracy deteriorates due to vibrations caused by imbalance during rotation
Solution Approach 1:
The three workpiece connection elements are arranged on the adapter base plate to function as counterweights that compensate for the imbalance of non-rotationally symmetrical workpieces, canceling out centrifugal forces during rotation and eliminating vibrations that would otherwise degrade machining accuracy
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 adapter increases the flexibility of machine tools by allowing the machining of complex, non-rotationally symmetrical workpieces without significant additional costs or vibration, maintaining machining accuracy and extending tool life by effectively canceling out centrifugal forces and balancing the workpiece during rotation.
Implementation Method 1
compensating for centrifugal forces and imbalance through a three-point mounting system
Implementation Method 2
compensating for the imbalance of the workpiece generated by the rotation of the spindle in relation to the axis of rotation
Data Source
Figure 1
Figure 2
AI summary
The invention relates to a workpiece adapter (21) for use in a machine tool (1), having: an adapter base plate (215), a clamping connection (212), by means of which the tool adapter (21) can be connected to a clamping element (41) in a rotationally and translationally fixed manner, a workpiece receptacle, and a workpiece connection element (313), which has retaining means for removably receiving a workpiece (31) and connection means for connecting to the workpiece adapter (21), wherein at least three workpiece connection elements (213) are arranged on one side of the adapter base plate (215) to form the workpiece receptacle, by means of which a workpiece (31) can be attached to the workpiece adapter (21) via the workpiece connection element (311), the clamping connection (212) is arranged on a side of the adapter base plate (215) opposite the workpiece receptacle, and the clamping element (41) can be attached to a motor-operated spindle (5) of the machine tool (1) via a spindle receptacle (411), for processing of the workpiece (31) by a method and rotating of the spindle (5).