Workpiece Transfer With Local Heating for Forging Temperature Uniformity
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Solution Overview
Problem
Existing workpiece transfer systems face inefficiencies in maintaining the temperature of hot-forged workpieces during transfer from a furnace to a press forging device, leading to temperature drops and potential quality issues in the forged products.
Innovation Solution
A workpiece transfer system incorporating a robot, a temperature measuring device using an infrared camera and thermometer, and a heating device with a laser oscillator that locally heats identified low-temperature regions, ensuring efficient temperature distribution matching a target profile during transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If the workpiece is transferred quickly to reduce temperature drop, then the transfer time is reduced, but the temperature distribution becomes uneven causing low temperature regions
Solution Approach 1:
The heating device applies localized heating to specific low temperature regions identified by the temperature distribution detection, rather than heating the entire workpiece uniformly. This allows quick transfer while maintaining overall temperature uniformity by addressing only the problematic areas.
Solution Approach 2:
The system uses infrared camera detection to continuously monitor temperature distribution and provides feedback to the heating device, which adjusts heating locations and intensities accordingly. This closed-loop control maintains temperature uniformity during rapid transfer operations.
2Temperature
If the workpiece is transferred slowly to maintain temperature, then the temperature is maintained, but the transfer time increases causing excessive temperature drop
Solution Approach 1:
The heating device performs preliminary heating on low temperature regions before the workpiece completes its transfer, preventing temperature drop rather than correcting it after. This allows faster transfer while maintaining temperature.
Solution Approach 2:
Heating is applied locally to specific regions that show temperature drops, rather than heating the entire workpiece. This targeted approach maintains temperature efficiently without requiring extended transfer time.
3Device complexity
If conventional transfer methods are used without local heating, then the system complexity is low, but temperature uniformity deteriorates affecting product quality
Solution Approach 1:
An infrared camera acts as an intermediary detection device between the workpiece and control system, enabling precise temperature distribution measurement. This intermediary component enables the sophisticated temperature control while keeping the overall system architecture relatively simple.
Solution Approach 2:
The heating device provides localized heating to specific low temperature regions, achieving high temperature uniformity through targeted intervention rather than complex overall system redesign.
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
This system effectively maintains the workpiece temperature by continuous local heating, reducing cycle time and ensuring consistent quality of the forged products by correcting temperature drops and improving moldability.
Implementation Method 1
a temperature measuring device that measures a temperature distribution of the workpiece being transferred by the robot
Implementation Method 2
a heating device that is capable of locally heating the workpiece in a low temperature region of the temperature distribution measured by the temperature measuring device
Data Source
AI summary
A workpiece transfer system including a robot that transfers a workpiece taken out of a furnace to a press forging device, a temperature measuring device that measures a temperature distribution of the workpiece being transferred by the robot, and a heating device that is capable of locally heating the workpiece in a low temperature region of the temperature distribution measured by the temperature measuring device.