Saw Blade Guide Grooves for Cutting Stability
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Solution Overview
Problem
Existing saw blades face issues with guiding the cutting tool during the parting process, leading to unintentional angles or arcs in cuts due to lateral forces, particularly when cutting fibrous materials like insulating materials.
Innovation Solution
Incorporating guide grooves that protrude deeper into the base body than sawtooth grooves, with outer edges set back further than sawtooth groove edges, to stabilize the cutting direction and prevent the saw blade from running laterally, thereby improving guiding properties and allowing for precise cuts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If guide grooves are added to the saw blade, then guiding properties and cutting stability are improved, but device complexity increases
Solution Approach 1:
The guide grooves are integrated into the same base body as the sawtooth grooves, forming a unified groove system. Both types of grooves are created through a single profiling process on one side of the base body, merging the guiding function with the cutting function in one structure rather than adding separate guiding components.
Solution Approach 2:
The grooves in the base body serve multiple functions: the sawtooth grooves create cutting edges for severing the workpiece, while the guide grooves provide directional guidance during cutting. This multi-functional groove design eliminates the need for separate guiding mechanisms.
2Manufacturing precision
If guide grooves protrude deeper into the base body, then cutting direction stability is improved, but manufacturing complexity increases
Solution Approach 1:
Both the guide grooves and sawtooth grooves are formed in a single profiling process using one grinding tool or profiling device. The process creates all groove types simultaneously by moving the tool along predetermined paths, eliminating the need for multiple separate manufacturing steps.
Solution Approach 2:
The profiling process varies the depth parameter along the groove length, creating deeper sections for guide grooves and shallower sections for sawtooth grooves. This parameter variation is achieved through controlled tool movement and depth modulation during the single profiling operation.
Data Source
Figure 1~3
AI summary
The invention relates to a separation tool for separation by machining, in particular a saw blade (10a, b), having a main body (12a, b) and a saw toothing (14a, b) arranged on the main body (12a, b), which is provided with saw tooth grooves (16a, b), the outer edges of which (18a, b) form cutting edges (20a, b) of the saw toothing (14a, b). According to the invention, the saw toothing (14a, b) is provided with at least one guide groove (22a, b), which extends deeper into the main body (12a, b) than at least one saw tooth groove (16a, b) and/or the outer edge (24a, b) thereof extends deeper into the main body (12a, b) than at least one outer edge (18a, b) of at least one saw tooth groove (16a, b).