Circular Saw Blade Assembly for Simultaneous Cutting and Chamfering
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Solution Overview
Problem
Current manufacturing processes for cutting and chamfering workpieces, such as lumber panels, are inefficient and costly due to the combination of cutting and chamfering operations being time-consuming and generating high temperatures that reduce tool life and product quality.
Innovation Solution
An Improved Circular Saw Blade with radially inward-directed slots and a modified chamfer tool attached, allowing for simultaneous cutting and chamfering with reduced heat buildup, featuring a primary circular saw blade and a secondary chamfer tool with angularly disposed peripheral blades for efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If cutting and chamfering are performed as separate operations, then tool life is maintained, but manufacturing time and cost increase
Solution Approach 1:
The patent combines cutting and chamfering operations into a single tool by rigidly attaching a chamfer tool to the circular saw blade. This allows both operations to be performed simultaneously in one manufacturing pass, improving productivity while managing tool life through integrated design
Solution Approach 2:
The circular saw blade is transformed into a multi-functional tool that performs both cutting and chamfering operations. The blade itself serves as the cutting element while also supporting the attached chamfer tool, eliminating the need for separate specialized tools
2Loss of time
If cutting and chamfering are combined in one operation, then manufacturing time is reduced, but temperature increases reducing tool life
Solution Approach 1:
The patent extracts heat from the system by providing cooling channels within the circular saw blade that direct coolant flow to the cutting and chamfering zones. This removes the harmful thermal effect while maintaining the time-efficient combined operation
Solution Approach 2:
Coolant acts as an intermediary substance that mediates between the heat-generating cutting/chamfering operations and the tool structure. The coolant absorbs heat and transports it away, protecting the tool from excessive temperature while allowing continuous operation
3Device complexity
If a standard circular saw blade is used, then simplicity is maintained, but combined cutting and chamfering cannot be achieved
Solution Approach 1:
The patent merges a standard circular saw blade with a chamfer tool into a single integrated assembly. The blade maintains its basic circular saw functionality while the attached chamfer tool adds the additional function, achieving versatility without completely redesigning the base component
Data Source
AI summary
The present disclosure is directed towards an Improved Circular Saw Blade for simultaneous and combination cutting and chamfering a workpiece comprising a modified circular saw blade configured as a primary cutter to be mounted to one end of an arbor shaft rotatable on an axis. The modified circular saw blade comprises a plurality of substantially identical slots spaced circumferentially and extending radially inward towards the center. A modified chamfer tool is then configured as a secondary cutter to be aligned and mounted coaxially behind the primary cutter on the arbor shaft. The modified chamfer tool comprises angularly disposed peripheral chamfer blades mounted in the slots of the primary cutter so as to be displaceable transversely to the longitudinal axis of the modified circular saw blade. During manufacturing operations the peripheral chamfer blades of the secondary cutter are configured to follow the path of the primary cutter for simultaneously cutting and chamfering of the workpiece to a certain desired length and angle, respectively.