Clamping Device Adjusting Tool Concentricity via Radial Through Bores
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Solution Overview
Problem
Existing clamping devices face challenges in accurately compensating for concentricity inaccuracies, which affect the alignment and precision of tools on machine tools.
Innovation Solution
The clamping device features threaded bores that open into the axially inner end area of the receptacle, allowing for adjustable concentricity through levers, with configurations such as two diametrically opposite bores or four bores arranged at 90° offsets, enabling defined alignment and tilting of the clamped tool.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If threaded bores are formed in the base body to adjust concentricity, then concentricity adjustment capability is improved, but device complexity increases
Solution Approach 1:
The adjustment mechanism is segmented into multiple independent threaded bores (typically 2-4) distributed around the receptacle. Each bore can be adjusted independently to correct specific directional concentricity errors, allowing precise control without requiring a complete redesign of the entire clamping device structure.
Solution Approach 2:
The threaded bores are pre-formed in the base body at strategic locations before final assembly. This preliminary preparation enables quick concentricity adjustment by simply inserting and adjusting the threaded rods, rather than requiring complex machining or assembly operations after the device is built.
2Manufacturing precision
If multiple threaded bores are distributed around the receptacle, then alignment precision is improved, but ease of operation deteriorates
Solution Approach 1:
Different regions of the base body are equipped with threaded bores at specific locations (e.g., diametrically opposite or at 90° intervals) based on the most common alignment requirements. This localized placement allows operators to address specific alignment issues without having to adjust all possible adjustment points, simplifying the operation while maintaining high precision.
3Manufacturing precision
If threaded bores open into the axially inner end area of the receptacle, then adjustment effectiveness is improved, but device complexity increases
Solution Approach 1:
The threaded bores are positioned to open into the axially inner end area of the receptacle rather than the outer area. This dimensional repositioning allows the adjustment force to be applied more effectively at the point where it has maximum leverage on the clamped component, improving adjustment effectiveness without requiring additional external mechanisms.
Data Source
Figure 1~2
AI summary
The present invention relates to a clamping device with a base body (2) and a receptacle (4) provided at an axial end region of the base body (2) for a component to be clamped, wherein several threaded bores (7) are distributed along the circumference of the receptacle (4) in the base body (2), into which adjusting screws (8) for aligning a clamped component (W) are screwed or can be screwed, which is characterized in that the radial threaded bores (7) are designed as through bores which open into the receptacle (4) in such a way that screwed-in adjusting screws (8) come into direct contact with a clamped component (W).