Saw Blade Welding Alignment for Precise Cutting Element Positioning
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Solution Overview
Problem
Existing manufacturing technologies for saw blades face challenges in accurately attaching cutting elements to saw teeth due to production tolerances, leading to inconsistencies in height, width, and position, which can result in suboptimal saw blade performance or scrap.
Innovation Solution
A manufacturing device equipped with automatic adjustment and detection systems that precisely align and correct the position of saw teeth relative to the welding head, using image sensors and manipulators to ensure accurate placement and welding of cutting elements, and a post-treatment process for quality assurance and distortion correction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional manufacturing technology is used to attach cutting elements to saw teeth, then the manufacturing process is simple, but the positioning precision and consistency of cutting elements deteriorate due to production tolerances
Solution Approach 1:
The patent applies preliminary action by detecting the position of saw teeth before the welding process and pre-adjusting the welding head position accordingly. The detection means measure deviations in tooth position, and this information is used to pre-correct the welding head positioning, ensuring accurate attachment of cutting elements before the actual joining operation occurs.
Solution Approach 2:
The patent implements feedback by using detection means to continuously monitor the position of saw teeth and feeding this information back to the adjustment means. The adjustment means then modifies the welding head position based on the detected deviations, creating a closed-loop control system that maintains positioning precision despite variations in the base blade geometry.
2Manufacturing precision
If automatic adjustment and detection systems are added to improve positioning precision, then the manufacturing precision of cutting elements improves, but the device complexity increases
Solution Approach 1:
The patent replaces complex mechanical positioning systems with a combination of detection means (optical or electronic sensors) and controlled adjustment mechanisms. Instead of relying on purely mechanical fixtures and alignment procedures, the system uses detection to identify tooth positions and electronically controls the welding head movement, simplifying the overall system while improving precision.
3Reliability
If precise alignment and correction systems are implemented, then the quality and consistency of saw blades improve, but the manufacturing time and process complexity increase
Solution Approach 1:
The patent maintains continuity of useful action by integrating the detection and adjustment processes into the continuous manufacturing flow. The detection means operate during normal production, and the adjustment means make real-time corrections without interrupting the welding process, ensuring that quality improvement measures do not significantly extend manufacturing cycle time.
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 enables precise and consistent attachment of cutting elements, improving the quality and performance of saw blades by minimizing deviations and ensuring accurate positioning, thereby reducing scrap rates and enhancing the robustness and longevity of the saw blades.
Implementation Method 1
detection means capable of and oriented to numerically detect a deviation, at least in the first direction, of the target surface with respect to the working line of the machining element
Implementation Method 2
The cutting element is pressed flat against a radial front face of the tooth section and pressed into the tooth material. This is preferably done by electrical resistance welding.
Implementation Method 3
an inductive heating device with a coil is used. By performing the post-treatment at a temporal and spatial distance from the joining process, and especially by subsequent heating, the quality of the welded saw blade can be positively influenced.
Data Source
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AI summary
The invention relates to a manufacturing device (1), and to a method for manufacturing saw blades (2) and for welding or soldering individually fed cutting elements (4) on a fed, toothed base blade (3) by means of an electrical pressure welding device (6) having an advanceable welding head (14). The relative position of the base blade (3) and the welding head (14) in the process area is detected by an automatic adjusting device (9) and, if necessary, adjusted or readjusted.