Force-Controlled Tire Blank Deburring With a Manual Blade
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Solution Overview
Problem
Current deburring of tire blanks, particularly the treads, is manually performed, which is inefficient and leaves residues, necessitating an improved automated method.
Innovation Solution
A tire blank deburring device, equipped with a torque sensor and tool holder, guides a manual blade in a force-controlled manner to automate the deburring process, allowing the use of existing manual blades in an automated system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual deburring is used, then operation simplicity is maintained, but productivity is low and manufacturing precision is poor
Solution Approach 1:
A torque sensor is introduced as an intermediary between the drive system and the blade to enable force-controlled deburring. The torque sensor measures the cutting force in real-time and provides feedback to the control unit, allowing automated operation while maintaining the simplicity of the manual blade design. This resolves the contradiction by automating the process (improving productivity) without requiring a completely new blade system (limiting device complexity increase).
Solution Approach 2:
The control unit receives torque sensor signals and uses this feedback to automatically adjust the blade's engagement with the tire blank. The feedback mechanism enables precise control of the deburring force, ensuring consistent cutting quality and preventing blade jamming or excessive material removal. This feedback loop achieves high productivity and precision while keeping the mechanical system relatively simple.
2Productivity
If automated deburring is implemented, then productivity increases, but manufacturing precision may deteriorate without proper force control
Solution Approach 1:
The torque sensor provides real-time feedback on the cutting force, allowing the control unit to maintain optimal deburring conditions automatically. When the blade encounters varying material density or burr hardness, the torque signal changes, and the control system adjusts accordingly to maintain consistent cutting quality. This ensures high manufacturing precision while achieving automated productivity.
Solution Approach 2:
The system dynamically adjusts operational parameters based on torque sensor readings. The control unit modifies blade engagement depth, feed rate, or positioning based on real-time torque measurements, ensuring optimal cutting conditions are maintained throughout the deburring process. This parameter adaptation maintains manufacturing precision while enabling automated high-speed operation.
3Manufacturing precision
If a custom automated blade system is designed, then manufacturing precision improves, but device complexity and cost increase
Solution Approach 1:
Rather than redesigning the blade itself, the patent introduces a torque sensor as an intermediary measurement device between the drive system and the existing manual blade. This approach achieves precise control and high manufacturing accuracy without requiring a complex custom blade design. The simple blade geometry is retained, minimizing device complexity while the torque feedback ensures precise deburring quality.
Solution Approach 2:
The manual blade design allows operators to easily replace or adjust blades themselves without requiring complex tooling or specialized installation procedures. The blade system serves itself through simple interchangeability, reducing the overall complexity of the blade subsystem while maintaining high deburring precision through the torque-controlled automation.
4Manufacturing precision
If force control is added to the automated system, then manufacturing precision improves, but device complexity increases
Solution Approach 1:
A torque sensor provides straightforward torque measurement feedback to a control unit. The control unit processes this single parameter (torque) and makes相应 adjustments to maintain optimal cutting conditions. This single-parameter feedback system achieves force control and high manufacturing precision without requiring a complex multi-sensor, multi-parameter control system, thus limiting the increase in device complexity.
Solution Approach 2:
The torque sensor acts as a simple intermediary that translates mechanical cutting force into an electrical signal for the control system. This single-function measurement device provides the necessary force control information without introducing complex measurement or control mechanisms. The intermediary approach achieves force-controlled precision while keeping the control system relatively simple.
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
Enables efficient and residue-free automated deburring of tire blanks, accommodating various tire sizes and maintaining blade sensitivity.
Implementation Method 1
with a torque sensor which connects the deburring tool to a drive of the tire blank deburring device in a force-transmitting manner
Data Source
Figure 1~2
Figure 3
AI summary
The present invention relates to a tire blank deburring device (1), preferably a robot (1) for deburring a tire blank, which is configured to guide a deburring tool (12) relative to a tire blank in a force-controlled manner in order to deburr the tire blank automatically, with a torque sensor (10) which transmits force to the deburring tool (12) and to a drive of the tire blank deburring device (1). The tire blank deburring device (1) is characterized by a tool holder (11) which is connected to the torque sensor (10) and is configured opposite it to receive the deburring tool (12), wherein the deburring tool (12) is a manual blade (12).