Modular Face Plate for Swing Frame Roll Clamp
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Solution Overview
Problem
Existing swing frame paper roll clamps have complex and costly manufacturing processes due to the need for a monolithic face plate with intricate hydraulic fluid connections, making assembly and repair difficult, and increasing stress on subframes.
Innovation Solution
A modular face plate assembly with unitary swing axis supports simplifies the hydraulic connection to clamping rams, reducing manufacturing costs and stress, and allowing easier assembly and repair by using abutted plates and cast swing axis supports that facilitate easier machining and alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a monolithic face plate with intricate hydraulic connections is used, then the clamp can function properly, but the manufacturing complexity and cost increase significantly
Solution Approach 1:
The face plate is divided into multiple separate plates (front plate, rear plate, and intermediate plates) that are assembled together using bolting or welding. The hydraulic connections are made to these separate plates rather than being integrated into a single monolithic structure, simplifying manufacturing and assembly while maintaining functional integrity.
2Reliability
If a monolithic face plate with intricate hydraulic connections is used, then the clamp can function properly, but the manufacturing cost increases significantly
Solution Approach 1:
The face plate is divided into multiple separate plates that can be manufactured using simpler, less costly processes. These plates are then assembled together, avoiding the need for expensive monolithic manufacturing and intricate hydraulic integration, thereby reducing overall manufacturing cost while maintaining functionality.
3Reliability
If complex hydraulic connections are made behind subframes, then the clamp can function, but assembly and repair become difficult
Solution Approach 1:
Intermediary plates are introduced between the subframes and the hydraulic connections. These intermediary plates provide accessible connection points for hydraulic lines while maintaining the structural integrity of the subframes. This allows hydraulic connections to be made from accessible locations rather than behind the subframes, facilitating easier assembly and repair.
4Ease of operation
If relief is provided in subframe flange to accommodate conduits, then hydraulic connections can be made, but stress concentration occurs in the flange
Solution Approach 1:
The hydraulic connections and conduit accommodation functions are extracted from the subframe flange and relocated to separate intermediary plates. This removes the need for reliefs in the subframe flange, eliminating the stress concentration problem while still allowing hydraulic conduits to be accommodated in accessible locations.
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 modular design reduces manufacturing complexity and costs, simplifies hydraulic connections, and decreases stress on subframes, enhancing the overall efficiency and accessibility of the swing frame roll clamp system.
Implementation Method 1
Extension or retraction of a swing frame hydraulic ram attached to the face plate and the subframes pivots the subframes about their central connections to the faceplate
Implementation Method 2
The pivot pins extend through the swing axis supports and the clamp arms are pivotally attached to the subframes
Data Source
AI summary
A modular face plate for mounting swing frame roll clamp to a rotator reduces the cost of the face plate and simplifies hydraulic connections to the clamping rams.