Double-Cylinder Edging Roll Adjustment for Fast Hydraulic Stroke
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Solution Overview
Problem
Existing edging stand adjustment systems face limitations in achieving rapid and high-speed adjustments without excessive fluid demand and transverse force sensitivity, particularly in systems requiring high pump outputs and prone to leaks and damage due to radial forces.
Innovation Solution
The implementation of a double-cylinder adjusting system with separately controllable rapid and control adjustments, where the cylinder piston of the rapid adjustment is connected to the housing of the control adjustment, allowing for a compact and efficient hydraulic system that reduces energy consumption and eliminates the need for additional mechanical components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If a conventional differential cylinder is used for hydraulic adjustment, then the adjustment system can be implemented, but the fluid demand and travel rate are limited and transverse force sensitivity increases when the piston rod is fully extended
Solution Approach 1:
The adjustment system is divided into two independent hydraulic cylinders: a rapid adjustment cylinder for high-speed positioning and a control adjustment cylinder for precise roll gap control. This segmentation allows each cylinder to be optimized for its specific function, enabling high adjustment speeds without requiring excessive fluid volume from a single large cylinder
2Speed
If a second piston rod is added to the adjusting cylinder, then rapid adjustment can be achieved, but a very high pump output is required
Solution Approach 1:
Instead of adding a second piston rod to a single cylinder (which would double the pump output requirement), the system segments the function into two separate cylinders with independently controllable pistons. The rapid adjustment cylinder handles high-speed movement with moderate power requirements, while the control adjustment cylinder handles precise positioning, avoiding the need for very high pump output
3Reliability
If formfitting connections are used between adjustment components, then mechanical coupling is achieved, but time and again leakages occur at the connecting points
Solution Approach 1:
The rapid adjustment cylinder and control adjustment cylinder are merged into a single integrated unit with a common housing and coordinated piston rods. This integration eliminates multiple external connecting points between separate components, thereby reducing leakage risks while maintaining the functional independence needed for both rapid and control adjustments
4Force
If radial forces act upon the cylinder piston, then mechanical coupling is achieved, but damage to the piston rod and further guide elements occurs
Solution Approach 1:
The cylinder design incorporates localized reinforcement and optimized support structures at critical points where radial forces are applied. The housing and mounting brackets are designed with enhanced local strength to distribute and accommodate radial loads, protecting the piston rod and guide elements from damage while maintaining effective mechanical coupling
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 solution enables reliable rapid adjustments with reduced pump capacity requirements, lower energy consumption, and minimized risk of leaks and damage, while maintaining precise control and reducing operational costs.
Implementation Method 1
the adjustment of the edging roll can be actuated on each side hydraulically by a fluid
Data Source
AI summary
An adjusting cylinder quick-action adjustment for a long, rapid stroke movement in an edging stand which includes an edger upright, adjustment system, balancing system and edging roll sets, comprises a piston which acts via edging roll chocks of at least one edging roll for adjustment against the rolling stock. The adjustment of the edging roll can be actuated on each side hydraulically by a fluid. The adjusting cylinder quick-action adjustment is mounted in the edger upright and exerts the force required for the edging process. The adjusting cylinder quick-action adjustment includes on each side of the edging upright at least one double cylinder which has two cylinders coupled to one another and is separately controllable and configured for rapid adjustment and for control adjustment of the edging roll.