6-Axis Positioning Layout for High Load and Extended Workspace
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Solution Overview
Problem
Existing 6-axis positioning systems face challenges in achieving a compact, flatter design with an extended workspace, particularly for heavy-load applications.
Innovation Solution
The system divides six actuators into two groups, with different designs for each group. The first group's actuators are arranged more upright and designed for heavier loads, while the second group's actuators are arranged flatter and longer, allowing for a division of labor that enhances compactness and workspace extension.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If six actuators are arranged in a conventional configuration, then the system can handle heavy loads, but the system height becomes large and the workspace is limited
Solution Approach 1:
The six actuators are divided into two distinct groups: three inner actuators (5.1-5.3) arranged upright within the area delimited by the outer actuators, and three outer actuators (7.1-7.3) arranged flatter on the periphery. This segmentation allows each group to perform specialized functions - the inner actuators provide vertical support for load-bearing while the outer actuators extend the workspace horizontally, resolving the contradiction between load capacity and system height.
Solution Approach 2:
Different regions of the system are assigned different actuator configurations optimized for their specific functions. The inner region contains upright actuators with higher load-bearing capacity for vertical support, while the outer region contains flatter actuators optimized for workspace extension. This local optimization allows the system to simultaneously achieve heavy load handling and compact height without compromising overall performance.
2Area of moving object
If actuators are made longer to extend workspace, then the workspace is extended, but the system becomes less compact
Solution Approach 1:
The actuator groups are arranged in different spatial orientations and planes. The outer actuators are positioned flatter and longer to maximize horizontal workspace coverage, while the inner actuators are positioned upright within the delimited area. This multi-dimensional arrangement allows the system to extend workspace in the horizontal plane without increasing system height, maintaining compactness in the vertical dimension while expanding workspace area.
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 configuration results in a more compact and flat 6-axis positioning system capable of handling high loads with precise positioning, while also extending the workspace.
Implementation Method 1
the upper ends of the three actuators of the second group are each connected to the movable unit by means of a pivot fastening, preferably with at least two pivot axes
Implementation Method 2
The lower ends of the three actuators in the first group are each connected to the base by means of a pivot mount, preferably with at least two pivot axes, that can be pivoted during adjustment of the 6-axis positioning system
Data Source
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AI summary
The present invention relates to a 6-axis positioning system, comprising a base, a movable unit and six variable-length actuators. One end of each actuator is connected to the base, and the other end of each actuator is connected to the movable unit. The six actuators are divided into two groups each having three actuators. The actuators of the first group are arranged on the base within a region bounded by the actuators of the second group, and the actuators of the first group are arranged on the movable unit within a region bounded by the actuators of the second group. The lower end and the upper end of each of the three actuators of the second group are connected to the base and to the movable unit, respectively, by means of respective pivot fastening systems. The upper end of each of the three actuators of the first group is connected to the movable unit by means of a pivot fastening system. The lower end of each of the three actuators of the first group is connected to the base by means of a pivot fastening system that can be pivoted during adjustment operation of the 6-axis positioning system.