Prestressed Concrete Forging Frame for Dynamic Load Resistance
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Solution Overview
Problem
Existing machine frames for forging machines, particularly hydraulic presses, are inefficient in forging and are not optimized for the high dynamic forces and vibrations, leading to potential damage and failure of the hydraulic presses.
Innovation Solution
A forging machine with a new machine frame that incorporates a hydraulic and mechanical design optimized for the high dynamic forces and vibrations, including a hydraulic and mechanical design optimized for the high dynamic forces and vibrations, including a hydraulic and mechanical design optimized for the high dynamic forces and vibrations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional ferrous materials (grey cast iron or steel) are used for machine frames, then good material properties and structural strength are achieved, but the machine frames are not optimized for high dynamic forces and vibrations, leading to potential damage and failure
Solution Approach 1:
The patent applies prestressing forces to the concrete machine frame components (press table, crossmember, side beams) to pre-compress the structure. This parameter change in the stress state of the concrete enables the frame to better withstand high dynamic forces and vibrations during forging operations, resolving the contradiction between structural strength and reliability under dynamic loading.
Solution Approach 2:
The patent uses composite construction by embedding steel reinforcement elements (rebar, prestressing steel) within concrete components. This creates a composite material system that combines the compressive strength of concrete with the tensile strength and vibration resistance of steel, achieving both structural strength and reliability against dynamic forces.
2Reliability
If machine frames are made of concrete with prestressing elements, then optimization for high dynamic forces and vibrations is achieved, but the complexity of manufacturing and assembly increases
Solution Approach 1:
The patent divides the machine frame into separate prestressed concrete components (press table, crossmember, side beams) that can be manufactured and pre-stressed independently, then assembled together. This segmentation reduces manufacturing complexity compared to creating one large prestressed component, while maintaining the reliability benefits of prestressed concrete.
Solution Approach 2:
The patent applies prestressing forces to components before final assembly, allowing for controlled pre-compression of the concrete structure. This preliminary action simplifies the overall manufacturing process by enabling modular construction and reducing on-site prestressing complexity, while ensuring the frame is optimized for dynamic forces from the start.
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 forging machine with a new machine frame design addresses the inefficiencies in existing systems, enhancing durability and reducing vibrations, thereby improving the performance and longevity of forging machines.
Implementation Method 1
a machine frame (12) on which the drive system (22) and the second tool holder (28) are held, wherein the machine frame (12) is formed at least predominantly of a concrete prestressed with prestressing elements
Data Source
AI summary
A forging machine includes a first tool carrier and a second tool carrier, a drive system for driving the first tool carrier in a working movement, a machine frame, wherein the machine frame is formed of a concrete prestressed with prestressing elements, wherein the machine frame comprises a frame base and a frame support connected to the frame base, wherein longitudinal prestressing elements are provided which extend parallel to the central axis (M) and each extend through the frame support, the frame base, and through the cross-member, wherein transverse prestressing elements are provided both in the frame base and in the cross-member, wherein the longitudinal prestressing elements and the transverse prestressing elements include prestressing anchors, and wherein the prestressing anchors are each arranged on an outer surface of the frame base or the cross-member.