Log Position Optimizer for Sharp Chain Stability
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Solution Overview
Problem
Sharp chain conveyor systems struggle to maintain the position of irregularly shaped logs during transportation due to torque forces caused by uneven engagement with the chain, leading to displacement before cutting.
Innovation Solution
A log position optimizer system that identifies stable rest positions by analyzing contact points between the log and the chain, determining which points are stable or unstable, and controlling a positioning mechanism to secure the log in a more stable orientation, reducing the likelihood of displacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a sharp chain conveyor system is used to transport logs, then the logs can be conveyed and positioned for cutting, but irregular logs experience torque forces that cause them to pivot and displace from the preferred position
Solution Approach 1:
The system performs preliminary scanning of the log to identify contact points and calculate stable rest positions before the log is conveyed. The log is then rotated to the predetermined stable position in advance, so that when conveyed on the sharp chain, the log maintains its stable orientation and avoids torque-induced displacement during transportation.
2Manufacturing precision
If the log is positioned in a preferred position for cutting, then cutting accuracy is improved, but the log may subsequently displace during transportation on the sharp chain
Solution Approach 1:
The system uses a scanner to detect the log's geometry and contact points, feeds this information to a processor that calculates stable rest positions, and then uses a log turner to rotate the log to the optimal position. This closed-loop feedback system ensures the log is positioned for both cutting accuracy and transportation stability.
Solution Approach 2:
The system calculates and establishes the optimal log position before transportation begins. By determining stable rest positions based on the log's specific geometry and securing the log in advance, the system prevents displacement during conveyance while maintaining cutting accuracy.
3Adaptability or versatility
If logs with different geometries are processed, then the system must identify stable contact points for each unique log shape, increasing system complexity
Solution Approach 1:
The system replaces complex mechanical analysis with optical scanning and computational processing. A scanner captures the log's geometry, and a processor automatically identifies stable contact points and calculates optimal positions based on the scanned data, eliminating the need for complex mechanical measurement and positioning systems.
Solution Approach 2:
The scanner creates a digital copy or model of the log's geometry, which is then analyzed by the processor to identify stable contact points. This digital representation allows the system to adapt to any log shape without requiring physical contact or complex mechanical analysis of the actual log.
Data Source
AI summary
Embodiments of techniques and systems for log stability determination are described. A log position optimizer may be configured to identify one or more rest positions for a log to be conveyed on a sharp chain. The rest positions may be identified based on identification of contact points where the sharp chain may contact the log that have no intervening contact points that prevent stable contact between the log and the sharp chain. A preferred rest position may be selected out of the identified rest positions. The preferred rest position may be selected based on determination of which contact points are stable or unstable. This determination may be made for each contact point in a cross-sectional plane of the log. The log position optimizer may then control a log positioning mechanism to position the log in the selected rest position. Other embodiments are also described and claimed.