Round Baler Bale Wrapping Brake Control for Precise Cutting
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Solution Overview
Problem
Existing round baler systems face challenges in adapting the speed and braking force of the wrapping material roller, leading to entanglement, incorrect cutting, and damage during the bale wrapping process, which disrupts the bale pressing process.
Innovation Solution
A bale wrapping device with a wrapping material roller and a brake roller, where the brake apparatus is actuated by the cutting apparatus to synchronize the rotational movement of the brake roller with the cutting process, allowing for variable braking torque and speed control to achieve optimal tensioning and load relief of the wrapping material.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the speed of the wrapping material roller is adapted to individual phases with braking force, then optimal tightening and tensioning of wrapping material is achieved, but the wrapping material may become entangled with pressing means or incorrectly cut
Solution Approach 1:
The brake roller is designed to rotate together with the wrapping material roller, enabling dynamic speed adaptation to different phases (introduction, wrapping, cutting) while maintaining synchronized rotation. This dynamic coupling allows the system to adjust braking force according to phase requirements without causing entanglement or incorrect cutting
Solution Approach 2:
The brake roller acts as an intermediary between the wrapping material roller and the brake apparatus. It transmits and controls the braking force in a regulated manner, mediating the interaction between the cutting apparatus and the wrapping material roller to prevent harmful effects while achieving optimal tensioning
2Manufacturing precision
If inappropriate braking force acts on the wrapping material roller, then the wrapping material may become damaged, but the cutting precision and tensioning control are compromised
Solution Approach 1:
The synchronized rotation of the brake roller with the wrapping material roller enables dynamic adjustment of braking force during different phases. During cutting phase, the system can apply precise braking to stop the wrapping material roller at the optimal moment, ensuring precise cutting while avoiding excessive force that would damage the material
Solution Approach 2:
The system changes the braking force parameter according to the operational phase. By varying the braking torque applied through the brake apparatus to the brake roller, the system achieves optimal tensioning during wrapping phase and precise stopping during cutting phase, preventing both damage and ensuring precision
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 prevents unwrapping issues, avoids damage to the wrapping material, and ensures precise cutting by synchronizing the rotational movement of the wrapping material roller with the cutting process, maintaining optimal tension and preventing tearing.
Implementation Method 1
The brake roller (50) may be in engagement with the wrapping material roller and/or may be in a frictional connection therewith
Data Source
AI summary
A bale wrapping device for a round baler includes a wrapping material roller having a wrapping material. The wrapping material roller is able to be brought into engagement with a brake roller, and a cutting apparatus for cutting off the wrapping material from the wrapping material roller. A brake apparatus cooperates with the brake roller, and is actuatable by the cutting apparatus such that a rotational movement of the brake roller is able to be braked by the brake apparatus.