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At present, 3D printing is one of the most vital rapid prototyping technologies, and it has become a powerful tool in product innovation competition because it can directly generate three-dimensional models from computer graphics data without mechanical processing or any molds. Through rapid prototyping technology, 3D printing technology has not only set off a heat wave in the maker market, but also been widely used in the production design of industrial machinery, medical health, automobiles, architecture, consumption and other fields. The 3D printer scheme based on NXP LPC5528 chip introduced by Shi Ping of United University has the characteristics of simple operation and stable work, which can help enterprises or individual creators to improve production efficiency and economic benefits.
The LPC5528 used in the core control of this scheme is a mainstream MCU under NXP, which is equipped with Cortex-M33 core and its main frequency can reach 150MHz. In terms of memory options, the MCU has 512KB of on-chip Flash and 256 KB of RAM. In addition, LPC5528 is rich in peripheral resources, embedded with multiple Timer, multi-channel PWM and various communication interfaces, supports 16-bit ADC, and can expand various functions.
In terms of overall function, this scheme supports 3.5-inch touch screen display with a resolution of 480*320. In the transmission of printing data, the scheme supports the transmission of files to the printer in two ways: SD card and U disk, and the printing accuracy is 0.1 mm. In motor design, the scheme supports 5-axis motor control and silent drive. When the printer finishes working, it will be turned on to enter the standby function to reduce power consumption.
In addition to high-performance MCU, the General Assembly Shiping also provided many products such as stepping motor driver, nozzle MOS, fan MOS, hot bed MOS, linear regulator and so on. Thanks to the excellent performance of these products, this scheme can provide 3D printing function for various innovative designs.
Core technical advantages:
● LPC5528 is a high-performance MCU with Cortex-M33 core, with a main frequency of 150MHz, 512KB of on-chip Flash and 256 KB of RAM;
● The development environment is easy to build, and the software is developed based on Marlin2.0 firmware;
● Simple operation, which can directly replace other motherboards with the same interface.
Scheme specification:
● 3.5-inch touch screen display with 480*320 resolution;
● Support SD card and USB flash drive to transmit data to printer;
● Support 5-axis (X/Y/Z/E0 (extruder) /E1 (reserved extruder)) motor control;
● Support to enter standby function after playing;
● Support silent driving;
● The printing accuracy is ±0.1mm；;
● Power input: 12/24V DC.