Reaming Tool Guide Pad With Resilient Member
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Solution Overview
Problem
Reamers with indexable inserts lacking land margins often experience vibration issues during reaming, necessitating a guide arrangement that does not rely on insert land margins for proper guidance.
Innovation Solution
A reaming tool with a guide arrangement featuring a pad having a guide surface and a hole, a clamping member, and a resilient member, such as a compressible ring, to maintain contact with the workpiece and minimize vibration, allowing the guide surface to self-center and orient properly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If reamers with indexable inserts lacking land margins are used, then the reaming process can be simplified and insert replacement is easier, but tool vibration increases and guidance precision deteriorates
Solution Approach 1:
A separate guide pad is introduced as an intermediary component between the indexable insert and the workpiece. This guide pad provides the necessary guidance function through its guide surface that contacts the workpiece, while the insert itself can be simplified without land margins. The guide pad is secured by a clamping member and resilient member, allowing it to maintain stable contact and reduce vibration independently of the insert design.
2Manufacturing precision
If a guide arrangement is added to the reaming tool, then tool guidance and alignment are improved, but device complexity increases
Solution Approach 1:
The guide function is localized to a specific guide pad component with a dedicated guide surface, rather than requiring the entire reamer or insert to provide guidance. This localized approach concentrates the guidance function in a simple, focused manner. The guide pad can be a straightforward component with a clamping mechanism, avoiding complex overall tool design while achieving precise alignment through the localized guide surface contact.
3Reliability
If a resilient member is used to maintain guide surface contact, then stable contact and vibration reduction are achieved, but device complexity increases
Solution Approach 1:
The resilient member changes the mechanical parameter of the guide pad assembly by introducing elastic deformation capability. This allows the guide pad to automatically adjust its contact pressure and maintain stable contact with the workpiece through elastic recovery, rather than requiring complex adjustable or rigid positioning mechanisms. The resilience parameter enables passive adaptation to variations in workpiece geometry and machining conditions.
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 guide arrangement effectively reduces tool vibration and ensures precise alignment with the workpiece, enhancing the reaming process by maintaining contact and applying balanced forces, even when multiple pads are used.
Implementation Method 1
a resilient member, such as a compressible ring, to maintain contact with the workpiece and minimize vibration
Data Source
Figure 1A~1B
Figure 2
Figure 3A~3B
AI summary
A guide arrangement for a cutting tool includes a pad having a guide surface and a hole extending from a first surface of the pad to a second surface of the pad. The guide arrangement further includes a clamping member having a small end and a large end, the large end contacting a clamping surface of the hole proximate the first surface of the pad and the small end extending through the hole and beyond the second surface of the pad. A resilient member is disposed on a surface of the pad opposite the guide surface.