Saw Tooth Insert Layout for Continuous Edge Wear Protection
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Solution Overview
Problem
Existing saw teeth designs leave unprotected areas between inserts, leading to premature wear and degradation, which can adversely affect cutting performance.
Innovation Solution
A saw tooth design featuring angled cutting edges with hardened inserts and transitional members that form a continuous cutting surface, providing enhanced protection and mitigating 'wash-out' areas by using sloping seating surfaces and recesses for secure attachment of inserts and members.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If flat triangular carbide inserts are used, then the cutting edge is formed, but gaps appear between inserts leaving the saw tooth body unprotected
Solution Approach 1:
The cutting edge is divided into multiple segments: hardened inserts at the corners and transitional hardened members filling the gaps between them. This segmentation allows each component to serve its specific function while collectively providing continuous protection along the entire cutting periphery.
Solution Approach 2:
Multiple hardened components (inserts and transitional members) are merged to form a continuous cutting edge structure. The transitional members bridge the gaps between adjacent inserts, combining their protective functions to eliminate unprotected areas on the saw tooth body.
2Ease of operation
If inserts are placed at corners only, then cutting corners are formed, but areas between inserts remain exposed
Solution Approach 1:
Transitional hardened members act as intermediaries between the corner inserts and the saw tooth body sides. These intermediary components fill the gap spaces, mediating between the discrete corner inserts to create a continuous protective barrier along the cutting periphery.
Solution Approach 2:
Different regions of the cutting edge receive different protective solutions: corner inserts at the corners and transitional members along the sides. This local differentiation optimizes protection where needed while maintaining overall structural integrity and cutting performance.
3Ease of manufacture
If traditional insert configuration is used, then manufacturing is simple, but wash-out areas cause premature wear
Solution Approach 1:
The saw tooth body is pre-configured with recesses and seating surfaces before insert installation. These preliminary structural features guide the placement of inserts and transitional members, ensuring proper positioning and continuous coverage while simplifying the assembly process.
Solution Approach 2:
The recesses and seating surfaces on the saw tooth body automatically position and support the hardened inserts and transitional members during installation. This self-positioning mechanism ensures proper alignment and continuous protective coverage without requiring complex installation procedures.
Data Source
AI summary
A saw tooth for a saw including a square saw tooth body to be mounted on a holder and for receiving inserts fastened to inwardly sloping seating surfaces on the cutting end of the tooth body. The inserts are provided with cutting edges. Between seating surfaces, the cutting end of the tooth body defines recesses for receiving intermediate members fastened therein. The intermediate members are provided with cutting edges, and the intermediate members abut the adjoining inserts to form a cutting surface about the periphery of the cutting end of the saw tooth and help protect the saw tooth body from damage including washout.