TY - GEN
T1 - Precision predicting and computer aided adaptive assembly
AU - Liu, Weidong
AU - Liu, Jianhua
AU - Jiang, Ke
AU - Wang, Jie
PY - 2012
Y1 - 2012
N2 - Precision predicting is a new methodology for precision verification and validation of product. Considering the dimension and geometric deviation of assembled part, the precision predicting model is built by assembly deviation sources explaining and deviation propagation route modeling. The deviation source during assembly process is mainly explained by dimension torsor and deviation torsor that are built in common coordinate system, and the deviation propagation rout is modeled by weighted deviation graph. The weighted deviation graph contains vertexes that refer to functional geometry and mating geometry and edges that refer to dimension and geometric constraint; besides, the edge weight is calculated by tolerance evaluation along specific functional direction. In addition, the process of computer aided adaptive assembly method is introduced, and the proper index for assembly precision and accuracy is discussed.
AB - Precision predicting is a new methodology for precision verification and validation of product. Considering the dimension and geometric deviation of assembled part, the precision predicting model is built by assembly deviation sources explaining and deviation propagation route modeling. The deviation source during assembly process is mainly explained by dimension torsor and deviation torsor that are built in common coordinate system, and the deviation propagation rout is modeled by weighted deviation graph. The weighted deviation graph contains vertexes that refer to functional geometry and mating geometry and edges that refer to dimension and geometric constraint; besides, the edge weight is calculated by tolerance evaluation along specific functional direction. In addition, the process of computer aided adaptive assembly method is introduced, and the proper index for assembly precision and accuracy is discussed.
KW - Assembly precision
KW - Computer aided adaptive assembly
KW - Deviation propagation
KW - Deviation source
KW - Precision predicting
UR - http://www.scopus.com/inward/record.url?scp=84255195058&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/AMR.415-417.403
DO - 10.4028/www.scientific.net/AMR.415-417.403
M3 - Conference contribution
AN - SCOPUS:84255195058
SN - 9783037853252
T3 - Advanced Materials Research
SP - 403
EP - 409
BT - Advanced Materials
T2 - 2nd International Conference on Advances in Materials and Manufacturing Processes, ICAMMP 2011
Y2 - 16 December 2011 through 18 December 2011
ER -