Reamer Guide Device Prevents Tilting During Diameter Adjustment
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Solution Overview
Problem
Existing machining tools for bores in workpieces face challenges in maintaining the desired machining diameter and taper due to adjustments, often resulting in unintended changes and complex, time-consuming settings.
Innovation Solution
A tool design featuring a guide device with a single guide element and receptacle, ensuring precise alignment and preventing tilting during diameter setting, utilizing a three-point contact system for stable support and allowing for easy replacement of cutting inserts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the machining diameter of the tool is adjusted, then the desired diameter can be set, but the taper changes unintentionally
Solution Approach 1:
The tool is divided into functionally independent components: the cutting body with cutting edges for diameter determination, and the guide surface system for taper control. The guide surface is created on the base body independently of the cutting body geometry, allowing separate adjustment of diameter and taper parameters without mutual interference
Solution Approach 2:
The guide surface extends in a direction perpendicular to the main cutting edge orientation, creating an independent degree of freedom for taper control. This dimensional separation allows the cutting body to be positioned radially for diameter adjustment while the guide surface maintains constant angular orientation for consistent taper
2Manufacturing precision
If special cutting bodies with reduced number of cutting edges are used, then the guide surface can be created, but the complexity of the cutting body increases
Solution Approach 1:
The guide function is extracted from the cutting body and implemented as a separate guide surface on the base body. This allows the cutting body to maintain its full geometric complexity with all necessary cutting edges, while the guide surface provides the required alignment functionality independently
Solution Approach 2:
The base body serves multiple functions: it provides structural support, creates the guide surface for alignment, and houses the adjusting mechanisms. This multi-functionality reduces the need for specialized cutting body designs and simplifies the overall tool structure
3Measurement precision
If cassettes with two adjusting wedges are used, then the diameter can be adjusted, but the adjustment process becomes complicated and time-consuming
Solution Approach 1:
The guide function is extracted from the cutting body and implemented as a separate guide surface on the base body. This allows the cutting body to maintain its full geometric complexity with all necessary cutting edges, while the guide surface provides the required alignment functionality independently
Solution Approach 2:
The base body serves multiple functions: it provides structural support, creates the guide surface for alignment, and houses the adjusting mechanisms. This multi-functionality reduces the need for specialized cutting body designs and simplifies the overall tool structure
Data Source
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AI summary
The invention relates to a reamer or similar tool, comprising a cutting device (13) having a cutting edge (23), a clamping device (17), by means of which the cutting device (13) can be clamped to the main body (9) of the tool (1), an adjusting device (55) that interacts with the cutting device (13), for adjusting the machining diameter of the tool (1), and a guiding device (19), which comprises an elongated guiding element (21), which interacts with an elongated guiding receptacle (39) in such a way that the cutting device (13) can be guided in a sliding manner perpendicularly to the center axis (7) during a displacement when the adjusting device (55) is activated. The guiding element (21) is provided on the cutting device and the guiding receptacle (39) is provided on the main body (9) of the tool (1) or the guiding element (21) is provided on the main body (9) of the tool (1) and the guiding receptacle (39) is provided on the cutting device (13). The guiding element (21) and the guiding receptacle (39) extend perpendicularly to the center axis (7) of the main body (9) of the tool (1). The tool (1) is characterized in that the guiding device (19) has a single guiding element (21) and/or a single guiding receptacle (39), and that the guiding element (21) has an elongated elevation and the guiding receptacle (39) has an elongated recess.