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Title:Study on real-time and high precision extruder midline's coaxiality detection system
Authors: QUAN Ling-yun  TAN Jian-ping  WANG Xian  CHENG Xiao-le 
Unit: Central South University China National Heavy Machinery Research Institute Co.  Ltd. 
KeyWords: extruder moving part coaxiality detecting position sensor detector data transmission 
ClassificationCode:TG316
year,vol(issue):pagenumber:2012,37(3):73-77
Abstract:

Aimed at the detecting system of extruder's extrusion center with low accuracy and poor real-time at present,an extruder midline's coaxiality detecting system with PSD (Position Sensor Detector) as offset detect components was designed.The overall plan of detection system was introduced, the mathematical model of the midline detection was established, and the principles of offset detecting system which based on lens imaging and data transfer system which employed simultaneously acquired and packaged transmission were described. At last, the basic performance of detecting system was tested. The results show that the single moving part detecting frequency is 4 Hz and accuracy is 0.2mm, which can detect coaxiality of extruder real-time on-line and improve the quality of products.

Funds:
国家科技重大专项资助项目(2009ZX04005-031)
AuthorIntro:
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