Spring-Biased Roller Assembly for Consistent Loin Puller Cuts
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Solution Overview
Problem
Conventional loin puller machines suffer from instability in the cut depth when separating fatback from the loin due to lack of downward pressure, leading to inconsistent cuts and significant meat waste, resulting in yield loss and reduced profitability.
Innovation Solution
A roller assembly aligned with the J blade applies downward pressure on the loin carcass, ensuring consistent and accurate cutting by compressing the carcass directly above the J blade, thereby improving cut precision and yield.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional loin puller machine operates without a roller assembly aligned with the J blade, then the machine structure remains simple and easy to manufacture, but the cut depth becomes inconsistent and meat waste increases
Solution Approach 1:
A roller assembly is introduced as an intermediary component between the J blade and the loin carcass. The roller applies downward pressure to stabilize the carcass during cutting, ensuring consistent cut depth. This mediator component resolves the contradiction by providing the necessary control without requiring complex restructuring of the entire machine.
Solution Approach 2:
The roller assembly allows dynamic adjustment of downward pressure parameters on the loin carcass. By changing the pressure parameter applied by the roller, the system achieves consistent cut depth while maintaining a relatively simple overall structure. The pressure can be adjusted to optimize cutting precision without adding excessive complexity.
2Manufacturing precision
If downward pressure is not applied to the loin carcass during cutting, then the machine operation is simple, but the cut accuracy deteriorates and yield loss increases
Solution Approach 1:
The roller assembly is designed to automatically apply downward pressure to the loin carcass as it passes through the cutting zone. The system serves itself by using the conveyor motion to position the carcass under the roller, eliminating the need for complex manual control mechanisms while maintaining cut accuracy.
Solution Approach 2:
The roller assembly introduces dynamic pressure control to the cutting process. The roller can move and adjust pressure in real-time based on carcass position and characteristics, improving cut accuracy while keeping the operation straightforward through automated dynamic adjustment rather than static complex mechanisms.
3Productivity
If the J blade cuts without stable downward pressure, then the cutting process is fast, but the cut depth varies and meat waste increases
Solution Approach 1:
The roller assembly applies preliminary downward pressure to the loin carcass before and during the cutting action. This preliminary stabilization ensures that when the J blade contacts the carcass, the cut depth remains consistent. The preliminary action prevents variability that would lead to meat waste, while the system maintains high cutting speed through automated operation.
Solution Approach 2:
The system replaces manual pressure control with an automated mechanical roller assembly. This substitution maintains high cutting speed by eliminating manual intervention while providing consistent downward pressure to prevent cut depth variation and reduce meat waste. The mechanical automation resolves the contradiction between speed and 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
The roller assembly enhances cutting accuracy, minimizes meat waste, and increases profitability by providing controlled depth cuts, maximizing the yield of the loin portion.
Implementation Method 1
The roller assembly includes a spring biased roller which rides along a top portion of the carcass to apply downward pressure to the carcass directly above the J blade
Data Source
AI summary
A loin puller machine includes a frame, a conveyor, and a series of blades, including a Z blade, a J blade, and a trim blade. A roller assembly is mounted to the frame and includes an arm with a roller on the lower end. The roller arm is spring biased. The roller engages the carcass and applies a downward force on the carcass directly over the J blade cutting edge so as to provide more accurate and consistent cutting of fatback from the loin portion for increased yield and profitability.