Press-Forming Device Real-Time Condition Adjustment
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Solution Overview
Problem
Existing press-forming technologies face challenges in consistently producing high-quality products due to deviations in material characteristics and environmental fluctuations, leading to forming defects and increased material costs, as they struggle to accurately estimate blank holding forces and measure complex shapes in real-time during processing.
Innovation Solution
A press-forming device and method that includes a material characteristic input and measurement arrangement, a state variable detector, and a processing condition controller, which uses input and measured data to adjust forming conditions such as blank holding force and metal mold temperature in real-time, based on material characteristics and state variables like punch reaction and mold temperature, to maintain optimal processing conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If forming conditions are determined in advance through trial production or simulation, then productivity is improved, but manufacturing precision deteriorates due to material and environmental fluctuations
Solution Approach 1:
The patent implements dynamic adjustment of forming conditions during the forming process based on real-time detection of material characteristics and state variables. The control device modifies forming parameters dynamically rather than using fixed pre-determined conditions, allowing the system to adapt to material deviations and environmental fluctuations while maintaining high productivity and consistent forming quality.
2Manufacturing precision
If quality control is performed more severely to avoid forming defects, then manufacturing precision is improved, but loss of substance increases due to material cost increase
Solution Approach 1:
The patent employs feedback control by detecting material characteristics and state variables during forming, then using this information to adjust forming conditions in real-time. This feedback mechanism ensures high forming quality by compensating for material deviations without requiring severe quality control measures or increasing material costs, as the system adaptively optimizes the forming process based on actual material properties.
3Manufacturing precision
If blank holding force is controlled based on material characteristics, then manufacturing precision is improved, but device complexity increases due to additional control arrangements
Solution Approach 1:
The patent integrates multiple functions into a unified control system that simultaneously handles material characteristic detection, state variable monitoring, and forming condition adjustment. The control device serves multiple purposes: it detects material properties, determines optimal forming conditions based on detected characteristics, and executes adjustments during forming. This multi-functional approach improves forming quality while minimizing the increase in device complexity by consolidating control functions rather than adding separate independent systems.
Data Source
AI summary
Exemplary embodiments of a press-forming device, press-forming method, computer program/software arrangement and storage medium can be provided. The exemplary press-forming device can include a material characteristic input configured to input material characteristics. A state variable detector can be configured to measure a state variable comprising a metal mold distortion amount. A processing condition computer arrangement can be configured to determine from a first moment to a second moment at least one particular processing condition. Further, a processing condition controller can be configured to control the at least one processing condition from processing conditions.