Welding Wire Compensation Device with Exposed Free Space
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing welding wire compensating devices face challenges in accurately controlling the conveying speed and direction of welding wires during variable and dynamic welding processes, leading to inefficiencies and potential wire deformation due to friction losses and the need for manual intervention.
Innovation Solution
A welding wire compensating device design where the welding wire is exposed within a housing's free space, allowing for quasi-inertia-free response behavior and improved flexibility in controlling wire movement, using a sensor to detect wire presence and absence without physical contact, enabling automated threading and reduced friction losses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If the welding wire is sheathed in a wire core within the free space, then the wire is protected and guided, but friction losses occur and response behavior becomes less inertial-free
Solution Approach 1:
The patent extracts the welding wire from the wire core sheathing within the free space, allowing the wire to run exposed and unsheathed. This eliminates the friction between wire and wire core, achieving inertia-free response behavior while the forced guide structure provides necessary guidance without contact friction.
Solution Approach 2:
The patent introduces a forced guide structure as an intermediary element that provides wire guidance through geometric constraints rather than frictional contact. The forced guide channels the wire from inlet to outlet sections without requiring physical contact that would generate friction losses.
2Measurement precision
If the sensor contacts the welding wire to detect deflection, then measurement is possible, but friction and wire deformation occur
Solution Approach 1:
The patent replaces mechanical contact-based sensing with a non-contact sensor system. The sensor detects wire deflection, presence, and absence without physical contact, eliminating friction and deformation caused by contact while maintaining measurement precision through optical or electromagnetic detection fields.
3Manufacturing precision
If manual intervention is required for threading the wire, then precise positioning is achieved, but productivity decreases
Solution Approach 1:
The patent implements a self-servicing threading system where the forced guide structure automatically directs the welding wire from the inlet section through the free space to the outlet section. The sensor detects wire presence and absence to automate the threading process, eliminating the need for manual intervention while maintaining precise positioning through geometric constraints.
Solution Approach 2:
The patent incorporates sensor feedback to detect wire presence and absence in the free space, enabling automated control of the threading process. This feedback mechanism allows the system to automatically adjust and complete threading operations without manual intervention, improving productivity while maintaining precision through the forced guide structure.
Data Source
Figure 1a
Figure 1b
Figure 2
AI summary
The invention relates to a welding wire compensation device comprising a housing with an inlet and an outlet section as well as a free space, a first coupling device arranged in the inlet section of the housing for attaching a wire guide hose for the incoming welding wire, a second coupling device arranged in the outlet section of the housing for attaching a wire guide hose for the outgoing welding wire, and a sensor for detecting a deflection of the welding wire buffered in the compensation device, which runs in an arc shape at least partially in the housing.The welding wire compensation device according to the invention is characterized in that the welding wire runs unsheathed over the majority of its length in the free space of the housing, and the sensor is further configured to detect the presence of the welding wire in the free space of the housing, wherein the free space provides a forced guide for the unsheathed welding wire to be threaded from the first coupling device into the second coupling device (Fig. 1).