Joining Roller Force Feedback for Stable Profile Seam Forming
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Solution Overview
Problem
The reproducibility and quality of joining seams in profiling systems depend heavily on operator experience and skill, leading to inconsistent results due to incorrect positioning and pressure distribution of joining rollers, which can cause seam failure or deformation.
Innovation Solution
A method and system that monitor and control the forces acting on the profile during and after joining, using sensors to adjust the joining roller arrangement based on detected forces, ensuring consistent pressure distribution and stabilization, independent of operator expertise.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual or motor adjustment of joining roller positions is used, then operator flexibility is maintained, but reproducibility and quality consistency deteriorate due to dependence on operator experience
Solution Approach 1:
The patent implements a feedback mechanism where sensors detect the actual position of joining rollers and feed this information back to a control unit. The control unit compares the detected position with the target position and automatically adjusts the roller position to eliminate deviations. This closed-loop feedback system ensures consistent and reproducible joining seam quality independent of operator experience.
Solution Approach 2:
The patent replaces manual mechanical adjustment of joining roller positions with an automated control system. Sensors detect roller positions, and actuators automatically adjust positions based on control algorithms, substituting the mechanical operator intervention with an automated electromechanical system that provides consistent reproducibility.
2Manufacturing precision
If incorrect roller position or pressure distribution occurs, then joining seam quality deteriorates, but operator experience is required to prevent this
Solution Approach 1:
The system performs self-adjustment of joining roller positions and pressure distribution through automated control. The control unit automatically regulates roller positions and forces based on sensor feedback, enabling the system to self-correct without requiring operator intervention or experience. This ensures precise joining seam quality while simplifying operation.
Solution Approach 2:
Sensors continuously monitor roller positions and forces, providing real-time feedback to the control unit. The control unit processes this information and automatically adjusts roller positions and pressure distribution to maintain optimal joining conditions, ensuring manufacturing precision without requiring operator expertise.
3Extent of automation
If force monitoring and automated control is implemented, then operator independence is achieved, but device complexity increases
Solution Approach 1:
The patent implements comprehensive feedback loops where sensors detect roller positions and forces, and this information is fed back to the control unit for automated regulation. This feedback mechanism enables high-level automation by allowing the system to self-regulate based on real-time process data, achieving operator independence.
Solution Approach 2:
The control unit acts as an intermediary between the physical joining process and the automated control system. It receives sensor data, processes information according to control algorithms, and sends adjustment commands to actuators, mediating between the physical domain and the digital control domain to enable automation.
Data Source
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AI summary
The invention relates to a method for joining edges and/or surfaces of a profile 14 in a profiling machine for longitudinally forming a quasi-endless strip of material 1 or profile or a blank into an at least partially closed profile shape. The strip of material or profile is formed in the profiling machine by means of a plurality of roll forming tools 2 into a closed or partially closed profile 14, and this profile 14 is fixed in a joining zone 8 of the profiling machine by a joining process, such as in particular welding, soldering, gluing or folding, in the longitudinal passage of the profile 14, forming a longitudinally extending joining seam 16. In the joining zone 8, the profile 14 passes through a joining roller arrangement 11 and/or a planar joining arrangement 22 in order to feed the profile 14 to a joining point 10 in a controlled manner and, in particular, to stabilize it at the joining point 10 and/or to ensure that the profile 14 is dimensionally accurate during and after joining.In the joining zone 8, forces or magnitudes of force components acting on the profile 14 from at least one of the joining rollers 15 and/or from at least one section of the planar joining arrangement 22 are detected. The invention also relates to a joining roller arrangement, a planar joining arrangement, and a profiling system for carrying out the method.