This project aims to transform the operational efficiency of hydraulic pressing machines by introducing a Microcontroller Unit (MCU)-based solution. The goal is to semi-automate the pressing process while providing real-time data display and user-customizable pre-settings, significantly enhancing precision, safety, and user interaction.
Core Components:
- STM32F4 Series MCU:
- Linear Encoder:
- High Precision Analog-to-Digital Converter (ADC):
- LCD Display:
An industrial-grade and cost-effective MCU responsible for seamless data acquisition, computational management, and actuation of output devices.
A high-precision digital readout encoder that measures pressure cylinder movement with up to 5µm accuracy.
Reads data from industrial-grade pressure sensors with high accuracy, crucial for calculating the precise movements of the hydraulic cylinder.
A compact yet accurate color display that shows real-time data, enhancing user interaction and machine control.
Structural and Circuit Design:
- PCB Layout:
- Controller Board Design:
- Data Handling PCB:
- Precise Dimensions and 3D Modeling:
The total electronics are efficiently distributed onto two PCBs, labeled as the “Independent Basic Controller Section” and the “Automated Data Handling Section”. This design allows for cost-effective end-products tailored to meet diverse user requirements.
Engineered to handle large currents with a two-layer configuration, optimizing manufacturing costs without compromising functionality.
Utilizes a four-layer design to implement low-noise, controlled impedance paths, ensuring high-fidelity data processing.
Meticulous layout and component placement, informed by mechanical drawings and 3D modeling, ensure all circuits and components fit perfectly within the machine's enclosure.
Control Systems and Firmware:
- Semi-Automation Flexibility:
- Real-Time Data Display:
- Specialized Firmware with Enhanced Libraries:
The device can operate with basic user inputs or, when enhanced programmability and safety features are required, the Automated Data Handling PCB can be seamlessly integrated.
Processes and displays crucial operational data with minimal delay, ensuring efficient and safe operation of the pressing machine.
Custom-developed firmware maximizes the reliability and performance of this industrial device, leveraging enhanced libraries to optimize system functions.