Milling Machine Return-to-Cut Automation for Precise Positioning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Milling machine operators often inadvertently omit tasks during setup and completion phases due to factors like experience, fatigue, or forgetfulness, leading to inefficiencies in repetitive operations such as return to cut and exit cut operations.
Innovation Solution
A milling machine system with a controller that automates the lowering of the frame and rotor to specific cutting heights and adjusts the position of doors based on stored settings, allowing for single-operator control inputs to perform automated return to cut and exit cut operations, utilizing sensors for precise positioning and operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual operation is used for return to cut and exit cut operations, then the operator can control the machine, but tasks may be inadvertently omitted due to fatigue or forgetfulness
Solution Approach 1:
The system stores operator settings and machine configurations in advance for both return to cut and exit cut operations. When triggered, the controller automatically retrieves these pre-stored settings and executes the corresponding operations without requiring the operator to manually reconfigure each parameter, thereby eliminating task omissions while maintaining ease of operation.
Solution Approach 2:
The automation system performs self-service by automatically executing return to cut and exit cut operations based on stored settings. The controller monitors machine state and autonomously carries out the sequence of operations including adjusting the rotor, frame, and doors, freeing the operator from repetitive manual tasks while ensuring consistent and complete execution.
2Measurement precision
If automated control is implemented for frame and rotor positioning, then positioning precision is improved, but system complexity increases
Solution Approach 1:
The system incorporates sensors that continuously monitor the position of the rotor, frame, and doors during automated operations. This feedback is sent to the controller, which compares actual positions with target positions from stored settings and makes real-time adjustments to achieve precise positioning. The feedback mechanism enables high positioning accuracy without requiring overly complex control algorithms.
Solution Approach 2:
The controller serves multiple functions: it stores operation settings, monitors machine state via sensors, executes automated positioning sequences, and adjusts multiple components ( rotor, frame, doors) according to the same unified control architecture. This multi-functionality reduces overall system complexity by consolidating control logic into a single versatile controller rather than requiring separate control systems for each function.
3Productivity
If repetitive manual tasks are performed during setup and completion phases, then the operator can adjust settings, but time is lost due to repetition and potential errors
Solution Approach 1:
The system pre-stores all necessary settings and operation sequences for return to cut and exit cut operations. Instead of requiring the operator to manually adjust each parameter during every operation, the controller automatically retrieves and implements these pre-configured settings, dramatically reducing the time required for repetitive tasks while maintaining operational efficiency.
Solution Approach 2:
The automation system performs the repetitive setup and completion tasks autonomously without requiring continuous operator intervention. The controller executes the stored operation sequences automatically, adjusting the rotor, frame, and doors as needed, which eliminates time loss associated with manual repetition while ensuring consistent and error-free execution.
Data Source
AI summary
A milling machine, system, and method for implementing a return to cut operation and/or an exit cut operation controls legs of the milling machine, a rotor of the milling machine, and front and rear doors of a mixing chamber of the milling machine according to settings for each of the return to cut operation and the exit cut operation. Such control can be based on signals from one or more sensors of the milling machine configured to sense various position-related characteristics of the milling machine, and can be performed responsive to a control input at an operator control interface of the milling machine.