Radiating Fin Friction Welding for Precise Automated Joining

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Solution Overview

Problem

Manual welding of radiating fins in cooling water towers results in unstable quality and high manufacturing costs due to inaccurate positioning and labor-intensive processes.

Innovation Solution

A friction welding machine comprising a base, moving unit, and friction joint unit, where the moving unit drives the friction joint unit to rotate at high speed, generating heat for welding radiating fins, thereby improving quality and reducing costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual welding is used to join radiating fins, then flexibility and simplicity are maintained, but welding quality becomes unstable and positioning accuracy deteriorates

Engineering Contradiction:

Improveoperational simplicityVSAvoidwelding position accuracy

Core Design Contradiction:

Ease of operationVSManufacturing precision

Solution Approach 1:

The patent replaces the manual mechanical welding system with an automated friction welding machine. The machine uses a rotating friction rod that automatically contacts and welds the radiating fins, eliminating manual positioning and operation while achieving consistent, high-precision welding results.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The friction welding machine employs self-contained positioning mechanisms where the rotating friction rod automatically finds and maintains contact with the radiating fins. The system self-regulates the welding process through controlled rotation and pressure, eliminating the need for operator intervention and ensuring stable welding quality.

Inventive Principle:

Principle #25Self-service

2Device complexity

If manual welding is used for radiating fins, then equipment complexity is low, but production speed decreases and labor costs increase

Engineering Contradiction:

Improvewelding equipment simplicityVSAvoidproduction speed

Core Design Contradiction:

Device complexityVSProductivity

Solution Approach 1:

The friction welding machine utilizes periodic rotation of the friction rod to weld multiple radiating fins in sequence. The rotating mechanism creates continuous friction heat that systematically joins each fin to the next, enabling high-speed production while maintaining relatively simple equipment structure.

Inventive Principle:

Principle #19Periodic action

Solution Approach 2:

The patent changes the welding parameter from static manual application to dynamic rotational friction. By controlling the rotation speed, pressure, and contact force of the friction rod, the system achieves rapid welding of multiple fins simultaneously, dramatically increasing production speed without requiring proportionally complex equipment.

Inventive Principle:

Principle #35Parameter changes

3Manufacturing precision

If high-speed friction welding is implemented, then welding quality and productivity improve, but energy consumption and device complexity increase

Engineering Contradiction:

Improvewelding qualityVSAvoidenergy consumption

Core Design Contradiction:

Manufacturing precisionVSUse of energy by moving object

Solution Approach 1:

The friction welding machine converts the potentially harmful effect of friction heat into a beneficial welding mechanism. The high-speed rotation of the friction rod generates intense localized heat through friction, which melts and fuses the radiating fins together. This transforms what could be wasted energy into the precise heat needed for high-quality welding.

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The friction welding process concentrates energy locally at the contact point between the friction rod and radiating fins. Rather than heating the entire assembly, the rotating rod delivers intense heat only where needed, creating strong welds with minimal energy waste and affecting only the local welding zone.

Inventive Principle:

Principle #3Local quality

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 friction welding machine enhances the welding quality of radiating fins by ensuring precise and efficient bonding, reducing production costs through automated high-speed friction welding.

Implementation Method 1

the friction rod provided in the moving unit rotates at a high speed to penetrate the radiating fins. The radiating fins are then welded together through the heat generated by high-speed rotation friction

Methodology Applied

Scientific EffectFriction: Friction

Data Source

PatentUS11370057B2Friction welding machine for radiating fins

Publication Date: 2022.06.28 TIANLE INT CO LTD

AI summary

A friction welding machine for radiating fins is disclosed, which mainly uses a moving unit to drive a friction joint unit to approach the plurality of radiating fins, and a friction rod provided in the moving unit rotates at a high speed to penetrate the radiating fins. The radiating fins are then welded together through the heat generated by high-speed rotation friction to achieve the purpose of improving the welding quality of the radiating fins and reducing the cost.