Dual Forging Press with Induction Heaters and Multi-Station Dies
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Solution Overview
Problem
Forging presses face inefficiencies in forming parts due to limitations in the frequency of forging cycles, as the number of parts formed at each station is dependent on the press's ability to complete a cycle, and existing technologies do not effectively manage workpiece temperature variations.
Innovation Solution
A dual forging press apparatus with induction heaters, first and second station dies, and a discharger system that inductively heats workpieces, applies pressure to form specific shapes, and transfers them between stations, while managing temperature variations using a pyrometer and sorting mechanism to optimize the forging process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a traditional single-station forging press is used, then the equipment structure is simple, but the productivity is limited by the cycle frequency of the press
Solution Approach 1:
The forging press is divided into multiple stations (first station, second station, etc.), each equipped with its own dies for different forming operations. Workpieces move sequentially through each station, allowing multiple forming operations to be performed in parallel across different stations, thereby increasing overall productivity without requiring each individual station to complete the entire cycle independently
Solution Approach 2:
The system transitions from a single-station sequential process to a multi-station spatial arrangement where multiple forming operations occur simultaneously at different locations along the press line. This spatial dimensionality allows parallel processing of multiple workpieces at different stages of formation, effectively multiplying productivity while maintaining a manageable structural complexity through linear arrangement
2Loss of time
If workpieces are heated and formed sequentially at each station, then the temperature control is simple, but the time for completing the forging cycle increases
Solution Approach 1:
Induction heaters are installed at multiple stations throughout the forging press, allowing workpieces to receive periodic reheating at each station they pass through. This preliminary and continuous heating action ensures that workpieces maintain the necessary temperature throughout the multi-station forming process, preventing temperature drop that would occur with sequential single-station heating, thereby reducing total cycle time while maintaining temperature consistency
3Productivity
If the press completes one cycle at a time, then the control system is simple, but the number of parts produced per unit time is limited
Solution Approach 1:
The control system incorporates feedback mechanisms that monitor the position and status of workpieces at each station, as well as the operational state of dies and heaters. This feedback enables coordinated control of multiple stations, ensuring synchronized operation and optimal timing of forming operations, which increases productivity while keeping the control system complexity manageable through systematic monitoring and response
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 system enhances the forging process by allowing simultaneous formation and transfer of workpieces between stations, improving the efficiency of forging cycles and ensuring consistent temperature control, thereby increasing the productivity and quality of forged components.
Implementation Method 1
A plurality of induction heaters each having a workpiece discharge end mounted adjacent the first end of the anvil
Data Source
AI summary
An apparatus includes an anvil having a first end and second end, and a press head reciprocally mounted relative to the anvil. The apparatus further includes an induction heater having a workpiece discharge end mounted adjacent the first end of the anvil, and a plurality of first station dies secured to the anvil. The first station dies each form at least a portion of a first contour. A plurality of second station dies are also secured to the anvil, the second station dies each defining at least a portion of a second contour.