Slim Wire Feeder Assembly for Independent Weld Pattern Control
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Solution Overview
Problem
Existing welding wire feeder assemblies are bulky and share a single motor, limiting their mobility and efficiency in producing complex weld patterns due to the immense heat and energy in electric arc welding processes.
Innovation Solution
A wire feeder assembly with an individualized motor, worm gear-driven drive shaft, and multiple feed rollers, straightening discs, and guides, allowing for independent control and transverse motion, enabling the formation of various weld patterns with a narrow profile that allows up to 24 assemblies to be deployed closely together.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single motor is shared among multiple wire feeder assemblies, then device complexity is reduced, but individual control capability and productivity deteriorate
Solution Approach 1:
The system divides the wire feeder functionality into independent modular units, each with its own motor, allowing individual control of each feeder assembly while maintaining reduced overall system complexity through standardization of the modular design
2Reliability
If bulky robust housings are used to protect wire feeder assemblies, then reliability is improved, but ease of operation and adaptability deteriorate due to limited motion capability
Solution Approach 1:
The housing design transitions from bulky robust construction to a thinner, more flexible profile that maintains protective functionality while enabling greater motion range and adaptability for complex weld patterns
3Productivity
If wire feeder assemblies are deployed closely together to maximize space utilization, then productivity is improved, but ease of operation deteriorates due to limited space for movement
Solution Approach 1:
The reduced profile housing enables feeder assemblies to be positioned closer together (four inches apart) while maintaining sufficient clearance for operation and wire feed, maximizing the number of assemblies per machine
4Ease of operation
If individualized motors are assigned to each wire feeder assembly, then ease of operation and productivity are improved through independent control, but device complexity and energy consumption increase
Solution Approach 1:
The system implements independent motors for each feeder assembly to enable individual control, while managing complexity through modular design standardization
Solution Approach 2:
The system employs servo motors that provide dynamic control capability, allowing individual feeder assemblies to be controlled independently for complex multi-axis weld patterns
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 enhances the mobility and efficiency of welding wire feeder assemblies, enabling the production of complex weld patterns by providing individualized control and reduced energy consumption, allowing for precise and efficient operation in tight spaces.
Implementation Method 1
a drive shaft in communication with a servo motor and enmeshed with a worm gear
Implementation Method 2
liquid- or gas-cooled
Implementation Method 3
liquid- or gas-cooled
Implementation Method 4
electric arc welding machine
Implementation Method 5
supplies electrical current to the power head which supplies voltage and current through insulating element(s) during arc welding activities
Data Source
AI summary
A wire feeder assembly of the type generally associated with an electric arc welding machine including a driveshaft in rotatable communication with an individually servo motor at one end and a worm gear assembly at the other end is provided. Due to the assembly’s slim design, a series of assemblies can be deployed on a metal plate cladding machine spaced approximate 4 inches apart, which facilitates the construction of previously unattainable welding patterns.