Grinding Saw Teeth with Multi-Profile Wheel
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Solution Overview
Problem
Existing methods for grinding hard metal-tipped saw blades and bands are inefficient due to the need for multiple processing machines and lengthy manufacturing times per tooth, as they require precise adjustment of tooth geometries and cannot maintain continuous processing in manufacturing lines.
Innovation Solution
A device and method that clamps multiple parallel saw bands together, using a grinding wheel with multiple profiles to simultaneously grind teeth, along with a clamping device and spacers to ensure uniform processing, allowing for simultaneous processing of multiple teeth and reducing manufacturing time per tooth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple processing machines are used to grind teeth with high precision, then manufacturing precision is improved, but device complexity and manufacturing time increase
Solution Approach 1:
The patent combines multiple grinding operations into a single processing machine. The grinding device incorporates multiple grinding wheels that can simultaneously process multiple teeth across several parallel saw bands, eliminating the need for multiple separate processing machines while maintaining high precision requirements for tooth geometry
Solution Approach 2:
The processing machine is designed with universal functionality to handle various grinding operations. The device can process both tooth faces and tooth backs, accommodate different tooth pitches and wedge angles by selecting appropriate grinding wheels, and process multiple saw bands simultaneously, making it a multi-functional machine that replaces several specialized machines
2Manufacturing precision
If multiple processing machines are used to process hard metal-tipped teeth, then manufacturing precision is improved, but productivity decreases
Solution Approach 1:
The patent merges multiple sequential grinding operations into a single simultaneous process. By positioning multiple grinding wheels to contact multiple teeth at the same time, the device processes many teeth in parallel rather than sequentially, dramatically reducing manufacturing time per tooth while maintaining precision through controlled feeding and grinding parameters
Solution Approach 2:
The invention implements continuous processing by feeding multiple saw bands through the grinding device in a coordinated manner. The synchronized feeding mechanism ensures that all teeth are continuously engaged with the grinding wheels without interruption, eliminating idle time between operations and maintaining continuous useful action throughout the manufacturing process
3Manufacturing precision
If a single grinding wheel processes one saw band, then manufacturing precision is maintained, but productivity is low
Solution Approach 1:
The patent segments the grinding wheel into multiple independent grinding profiles, each capable of processing a specific tooth. The grinding wheel contains multiple tooth face grinding profiles and tooth back grinding profiles that can simultaneously engage with multiple teeth on parallel saw bands, effectively dividing the single wheel into multiple functional units that work in parallel
Solution Approach 2:
The invention transitions from processing one saw band in a single dimension to processing multiple parallel saw bands by adding the dimensional aspect of parallelism. The grinding device accommodates multiple saw bands arranged parallel to each other, utilizing the third dimension (depth/width) to process multiple teeth simultaneously, thereby increasing productivity while maintaining precision through consistent grinding parameters across all profiles
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 solution significantly reduces manufacturing time per tooth by enabling the simultaneous processing of multiple teeth, achieving processing times up to 10 times faster than current methods while maintaining high precision.
Implementation Method 1
These hard metal pins are then ground to size in a grinding machine, for the purpose of which diamond grinding wheels are commonly used
Data Source
AI summary
A device for grinding hard metal-tipped teeth of saw bands having a feed device for feeding a temporary workpiece in a timed manner where the temporary workpiece is formed from a plurality of saw bands that are parallel to one another, also having a clamping device that clamps the plurality of saw bands against one another, further having a grinding unit for simultaneously grinding a plurality of teeth, where the grinding unit has a grinding wheel having a plurality of grinding profiles, and a corresponding method.