Views: 0 Author: Site Editor Publish Time: 2025-08-18 Origin: Site
A high-precision robotic arm from an automation equipment manufacturer often experiences a positioning deviation of ± 0.5mm in a precision assembly production line due to the delayed response of traditional position detection devices. This directly results in the production line needing to shut down and calibrate 3-4 times per hour, with a daily effective production time of less than 6 hours, severely restricting production efficiency.
In early 2023, they introduced a drive system equipped with the MPN55 series 16 bit absolute value encoder. This encoder adopts magneto electric fusion detection technology, which can achieve a displacement resolution of 0.001mm, with a data refresh frequency of 1kHz, and can capture small motion deviations of the robotic arm in real time. When assembling a micro bearing with a diameter of 5mm, it controls the position feedback delay within 2ms, and with the dynamic compensation algorithm of the servo system, the alignment accuracy of the robotic arm is improved to ± 0.01mm, and the calibration frequency is reduced to once a day.
In practical applications, the multi turn counting function of the MPN55 series encoder solves the problem of cumulative errors in the reciprocating motion of the robotic arm. Through the SSI synchronous serial interface, the encoder transmits real-time position data to the device control system, allowing operators to monitor the device's operating trajectory in real-time from the central control panel. The abnormal response speed has been reduced by 80% compared to before.
After the renovation, the manufacturer's production line has significantly improved its continuous operation stability, with a daily effective production capacity increasing from 1200 pieces to 2000 pieces and a defect rate decreasing from 3.2% to 0.8%. The equipment upgrade cost was recovered in just three months. Now, they have promoted the same encoder solution to their six precision assembly lines, with an annual increase in production value exceeding 12 million yuan.
