Rotatable Grinding Disc for Saw Chain Teeth and Gauges
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Solution Overview
Problem
Existing automatic saw chain grinding technologies require multiple grinding operations for both cutting teeth and depth gauges, often necessitating expensive, custom-configured grinding discs that are costly and inefficient.
Innovation Solution
A device and method utilizing a standard grinding disc configuration to perform separate grinding processes for cutting teeth and depth gauges in consecutive stages, with a rotatable grinding disc capable of switching positions to effectively grind both components without the need for multiple configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple grinding operations are used to grind both cutting teeth and depth gauges, then grinding precision is improved, but device complexity and cost increase
Solution Approach 1:
The invention employs a single grinding disc that performs multiple grinding functions by switching between different positions. The grinding disc can grind cutting teeth at one position and depth gauges at another position, eliminating the need for separate grinding devices for each component. This multi-functional approach maintains comprehensive grinding capability while significantly reducing device complexity.
Solution Approach 2:
The grinding disc is designed to be rotatable and switchable between different positions during the grinding process. This dynamic positioning allows the same grinding disc to adapt to different grinding requirements - grinding cutting teeth at one angular position and depth gauges at another position, thereby achieving multiple functions with a single component.
2Manufacturing precision
If custom-configured grinding discs are used for different saw chains, then grinding precision is improved, but manufacturing cost increases
Solution Approach 1:
The invention uses a standard, universally applicable grinding disc design that can handle both cutting teeth and depth gauges. This standard configuration eliminates the need to manufacture custom-configured grinding discs for different saw chain types, significantly reducing manufacturing costs while maintaining the capability to achieve precise grinding through proper positioning and sequencing.
Solution Approach 2:
Instead of changing the physical configuration of the grinding disc for different applications, the invention changes the operational parameters - specifically the angular position and sequencing of grinding operations. The same grinding disc is used with different positioning angles to grind different components, avoiding the need for custom manufacturing while maintaining precision.
3Manufacturing precision
If separate grinding processes are used for cutting teeth and depth gauges, then grinding precision is improved, but processing time increases
Solution Approach 1:
The invention merges the grinding of cutting teeth and depth gauges into a single integrated process using one grinding disc. By combining both grinding operations into one sequential process with automatic positioning, the system maintains the precision benefits of separate operations while eliminating the time loss associated with changing between different grinding devices.
Solution Approach 2:
The grinding process maintains continuous useful action by seamlessly transitioning between grinding cutting teeth and depth gauges without interrupting the overall workflow. The grinding disc automatically positions and switches between operations, ensuring that the useful grinding action continues without significant downtime, thereby improving productivity while maintaining precision.
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
This approach allows for efficient and cost-effective grinding of both cutting teeth and depth gauges using a standard grinding disc, reducing operational complexity and costs while maintaining precision, and addresses the issue of ridge formation between grinding stages.
Implementation Method 1
means for supporting rotatably a grinding disc (3) which performs grinding operations on the saw chain
Data Source
Figure 1~3
Figure 4~5
Figure 6A~7B
AI summary
The present invention relates to a device for automatic grinding of a saw chain (S), which device comprises chain guides (4), means for feeding the saw chain forward along the chain guides (4), means for fixing the saw chain (S) relative to the chain guides (4), and means (5, 11) for supporting a rotatable grinding disc (3) which forms part of the device and which is switchable between two positions for grinding of right links and left links of the saw chain (S). The invention relates also to a method for grinding a saw chain (S). Distinguishing features of the device according to the present invention are that the device comprises a guide element (35), a bracket (14) connected to the support means (5, 11) and rotatably supporting the guide element (35), means (37, 39) for imparting to the guide element (35) a reciprocating movement, contact means (40, 41) attached to the guide element (35), stop means/shoulder surfaces (23,16) attached to/formed on the support means (5, 11) and intended to cooperate with the contact means (40, 41), thereby generating movement of the grinding disc (3) in the longitudinal direction of the saw chain (S), and means (27-30; 25, 35, 38, 39, 42, 43, 44, 45) for raising the grinding disc (3) in order both to allow feeding forward of the saw chain (S) and to place the grinding disc (3) in the grinding position.