Dual-Connection Additive Head Mounting for Swing Spindles
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Solution Overview
Problem
The existing processing machines with a tool spindle that holds a tool for subtractive manufacturing and an additive manufacturing head are prone to the additive manufacturing head falling off during operations due to its swing configuration.
Innovation Solution
A processing machine design featuring a tool holding part that is swingably centered on a horizontal axis, with a first connection part and a second connection part disposed on either side of the gravity center of the work head, ensuring balanced reception of centrifugal forces and weight distribution to prevent the work head from falling off.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the tool holding part is configured to swing centered on a horizontal axis, then the processing machine can perform subtractive manufacturing operations, but the work head may fall off during additive manufacturing operations
Solution Approach 1:
The connection between the tool holding part and work head is divided into two separate connection parts positioned at different locations. This segmentation allows each connection part to independently bear specific forces, with one connection part primarily handling centrifugal forces and the other handling gravitational forces, preventing the work head from falling off during swinging operations
Solution Approach 2:
The dual connection part configuration creates a counterbalancing effect where the two connection parts are positioned to balance the gravitational force and centrifugal force acting on the work head. The connection parts are strategically located to provide opposing force vectors that prevent the work head from detaching during the swinging motion of subtractive manufacturing operations
2Device complexity
If a single connection part is used to attach the work head to the tool holding part, then the structure is simple, but the work head cannot withstand centrifugal forces during swinging operations
Solution Approach 1:
The single connection part is segmented into two separate connection parts positioned at different locations on the work head. This segmentation allows the connection structure to distribute and withstand both centrifugal forces generated during swinging and gravitational forces, significantly improving force resistance while maintaining reasonable structural simplicity
Solution Approach 2:
The connection structure transitions from a single-point connection to a multi-point connection distributed in different spatial dimensions. The two connection parts are positioned at different locations and orientations, creating a three-dimensional connection architecture that can simultaneously resist forces acting in multiple directions, including centrifugal and gravitational forces
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 design effectively prevents the work head from falling off during operations by balancing centrifugal and gravitational forces, enhancing the stability and security of the additive manufacturing process.
Implementation Method 1
a centrifugal force in a direction in parallel with the virtual plane including the gravity center position of the work head and the predetermined axis is applied to the work head attached to the tool holding part
Implementation Method 2
the weight of the work head itself can be received in a balanced manner on both the sides with the gravity center position of the work head intervening therebetween
Data Source
AI summary
A processing machine includes: a tool spindle provided swingably centered on a predetermined axis in parallel with a horizontal direction; an additive manufacturing head that can be attached to and detached from tool spindle, and performs work on the workpiece; a first connection part that is provided for tool spindle and additive manufacturing head, and connects tool spindle and additive manufacturing head to each other; and a second connection part that is provided for tool spindle and additive manufacturing head, is disposed at a position apart from first connection part, and connects tool spindle and additive manufacturing head to each other. First connection part is disposed on one side with respect to a virtual plane that includes a gravity center position of additive manufacturing head and predetermined axis, and second connection part is disposed on the other side with respect to virtual plane.