Wearable Wire Feeder for Portable Welding
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Solution Overview
Problem
Conventional wire feeders are bulky, heavy, and limited in portability, requiring robust and expensive drive mechanisms, and often rely on specific welding systems for gas, power, and control signals, restricting their use in field applications where mobility and flexibility are needed.
Innovation Solution
A wearable wire feeder system with a control unit, battery-powered wire drive, and integrated gas control, allowing for standalone operation with a portable power unit, enabling hands-free use and control of welding parameters directly from the feeder.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional wire feeders are designed as stationary devices, then they can provide stable welding operation, but they reduce portability and require robust drive mechanisms for remote locations
Solution Approach 1:
The welding system is divided into separate functional modules: a stationary power source unit and a portable wire feeder unit. The wire feeder contains only the wire drive mechanism and control electronics, while the power source remains at a fixed location. This segmentation allows the wire feeder to be lightweight and portable while the heavy power equipment stays stationary, resolving the contradiction between portability and operational stability.
Solution Approach 2:
The system transitions from a single integrated unit to a distributed architecture where control and power functions are separated in space. The wire feeder operates autonomously at the weld location while receiving power and control signals through cables from the remote power source, effectively adding a spatial dimension to the system architecture that enables portability without sacrificing operational reliability.
2Ease of operation
If wire feeders are integrated into the welding torch, then portability is improved, but the torch becomes bulky and heavy
Solution Approach 1:
The wire drive mechanism is extracted from the welding torch and placed in a separate portable feeder unit worn by the operator. This extraction removes the heavy motor and drive components from the torch, significantly reducing torch weight while maintaining the ability to feed wire to the welding location. The separate feeder unit contains the drive mechanism, allowing the torch to remain lightweight and maneuverable.
3Ease of operation
If portable wire feeders rely on the welding system for gas, power, and control signals, then system compatibility is reduced, but portability is improved
Solution Approach 1:
The portable wire feeder is designed with universal interfaces and protocols that allow it to work with multiple different welding power sources and control systems. The feeder contains its own control electronics and can accept various input signal types, enabling it to adapt to different welding systems without requiring system-specific customization. This universality maintains portability while expanding compatibility across different welding platforms.
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 wearable wire feeder system enhances portability, reduces weight and manufacturing complexity, and allows for flexible welding in remote locations without the need for extensive conduit or external power sources, enabling efficient and versatile welding operations.
Implementation Method 1
a battery coupled to the circuit, the wire drive, or a combination thereof
Data Source
AI summary
A welding system is provided that includes a wearable wire feeder. The wearable wire feeder includes a control unit configured to generate a control signal and a wire drive responsive to the control signal. Another welding system is provided that includes a wearable wire feeder that includes a wire drive, a circuit configured to control a welding parameter, and a battery coupled to the circuit, the wire drive, or a combination thereof. In another embodiment, a welding system is provided that includes a wire drive, a control unit configured to control the wire drive and a gas control configured to control flow of a gas. A method is also provided that includes generating a control signal within a wearable wire feeder and driving a welding wire within the wearable wire feeder in response to the control signal.